People walk on a devastated road following heavy rains that saw rivers bursting banks on October 16, 2018 in Villalier, near Carcassone, southern France. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

A photo shows the wreck of a truck in which the driver died following heavy rains that saw rivers bursting banks on October 16, 2018 in Villalier, near Carcassone, southern France. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People look at the wreck of a truck in which the driver died following heavy rains that saw rivers bursting banks on October 16, 2018 in Villalier, near Carcassonne, southern France. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

A photo shows waters a damaged road on October 16, 2018 in Villalier, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

A photo shows damaged primary school furniture in a muddy courtyard on October 16, 2018 in Villalier, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

A person walks on the side of a swimming pool containing muddy waters next to damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

A photo shows a swimming pool containing muddy waters next to damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People walk on a muddy field next to damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by AFP)

People walk on a muddy field next to damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by AFP)

People look at damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

a photo shows damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

a photo shows damaged cars on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

Firefighters clean a mud covered courtyard on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

Firefighters clean a mud covered courtyard on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

A man removes furniture from a flooded house on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

A man removes furniture as he cleans a flooded house on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People remove furniture from a flooded house on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People remove furniture from a flooded house on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France, following heavy rains that saw rivers bursting banks. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People clear the debris from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear the debris from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear the debris from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear the debris from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

Debris is stacked outside homes as people begin to clear up following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

Debris is stacked outside homes as people begin to clear up following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

A woman walks past debris stacked outside homes and shops as people begin to clear up following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

A woman carries a plastic sack a people begin to clear up following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People clear the debris from their homes and shops following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People walk past stacked vehicles destroyed following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People walk past stacked vehicles destroyed following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People walk past stacked vehicles and destroyed house hold goods piled up outside homes and shops following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by Pascal PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

People clear destroyed furniture and appliances from their homes following heavy rains and flooding in Villalier, near Carcassonne, southern France on October 16, 2018. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

TOPSHOT - A photo shows the wreck of a truck in which the driver died following heavy rains that saw rivers bursting banks on October 16, 2018 in Conques-sur-Orbiel, near Carcassonne, southern France. - At least 11 people died when violent rainstorms turned rivers into raging torrents in southwest France on October 15, prompting some of the deadliest flooding in years, officials said. The equivalent of three months rainfall was dumped overnight in the region of Carcassonne in just a few hours, sending rivers over their banks, including the Aude, which reached levels not seen in 100 years. (Photo by PASCAL PAVANI / AFP)

A firefighter helps a younster in a flooded street during rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A firefighter helps a younster in a flooded street during rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP) / ALTERNATIVE CROP

A firefighter helps a younster in a flooded street during rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters walk in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Residents look from their window above cars standing in a flooded street following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters walk in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A woman cleans inside her home in a flooded street following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters walk in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters helps a woman and a dog in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters help youngsters to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters help youngsters to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A firefighter helps a youngster to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A man walks his dog by damages and a flooded river in a street of Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

Firefighters help a woman in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A picture taken on October 15, 2018 in Trebes, near Carcassone, southern France shows cars in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A picture taken on October 15, 2018 in Trebes, near Carcassone, southern France shows cars in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A picture taken on October 15, 2018 in Trebes, near Carcassone, southern France, shows a flooded house in a river that bursted banks following heavy rains. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A man stands with a broom on a flooded street of Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

A man stands in his flooded house in Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

A woman stands in her flooded living room in Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

A woman stands in her flooded living room in Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

A damaged car is pictured in a flooded street of Villegailhenc in the Aude department after it was particularly badly hit by heavy rain storms which swamped parts of southwestern France, flooding rivers and cutting roads, killing at least six people. - The Aude river reached flood levels not seen in over 100 years, the French agency responsible for monitoring water levels, Vigicrues, said. Firemen responded to more than 250 calls overnight, as 160 to 180 mm (6 to 7 inches) of rain fell in the fortress city of Carcassonne. Six other departments were also hit by the storms from the eastern Pyrenees to Aveyron further north. (Photo by ERIC CABANIS / AFP)

Firefighters help youngsters to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters help a resident to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters help residents to evacuate in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

Firefighters walk in a flooded street during a rescue operation following heavy rains that saw rivers bursting banks on October 15, 2018 in Trebes, near Carcassone, southern France. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A helicopter flies over a flooded street in Trebes, near Carcassone, southern Francer on October 15, 2018 following heavy rains that saw rivers bursting banks. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A car stands a flooded street in Trebes, near Carcassone, southern Francer on October 15, 2018 following heavy rains that saw rivers bursting banks. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A picture taken on October 15, 2018 in Villemoustaussou, near Carcassone, southern France shows a flooded river. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A picture taken on October 15, 2018 in Villemoustaussou, near Carcassone, southern France shows a van in a flooded river. - Six people died following storm and flash floods during the night of October 15 in the Aude department in southern France, authorities said. (Photo by Pascal PAVANI / AFP)

A walks on mud in a flooded street following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassone, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove pieces of wood from a flooded house following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassone, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

An elderly man removes damaged goods from his flooded house on October 15, 2018 in Villegailhenc, after flash floods swamped a number of towns and villages around the fortress city of Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15, 2018 in the latest episode of wild weather in Europe, officials said. (Photo by ERIC CABANIS / AFP)

People removed belongings from a flooded house following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassone, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People removed belongings from a flooded house following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People move a car after they removed belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

People remove belongings from flooded houses following heavy rains that saw rivers bursting banks on October 15, 2018 in Villegailhenc, near Carcassonne, southern France. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by Pascal PAVANI / AFP)

An aerial view shows flooded fields in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows flooded fields in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a damaged car in a flooded field in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a damaged car in a flooded field in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a flooded road in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

TOPSHOT - An aerial view shows a flooded road on October 15, 2018 near Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a flooded road on October 15, 2018 near Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a flooded road on October 15, 2018 near Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded field near village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded field near village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded field near village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded area near the village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded area near the village of Villemoustaussou, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view shows a flooded Peugeot car maker garage in the city of Villegailhenc, near Carcassonne, southern France, on October 15, 2018, following heavy rains that saw rivers bursting banks. - At least 13 people died as violent rainstorms turned rivers into raging torrents in southwestern France on October 15 in the latest episode of wild weather in Europe, officials said. Flash floods swamped a number of towns and villages around the fortress city of Carcassonne, leaving a trail of overturned cars, damaged roads and collapsed homes (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded street in the city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded street in the city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded street in the city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded street in the city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded street in the city of Puichйric, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded car near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded car near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded road near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded road near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded car near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded area near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded road near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded area near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded area near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

An aerial view taken on October 15, 2018 shows a flooded area near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

TOPSHOT - An aerial view taken on October 15, 2018 shows a flooded car near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

TOPSHOT - An aerial view taken on October 15, 2018 shows flooded city of Trиbes, near Carcassone, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

TOPSHOT - An aerial view taken on October 15, 2018 shows a flooded road near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)

TOPSHOT - An aerial view taken on October 15, 2018 shows a flooded area near the city of Puichйric, southern France. - Thirteen people have died after severe storms caused flash flooding across wide stretches of southwest France overnight, sweeping away vehicles and swamping homes, the interior ministry's rescue service said. (Photo by SYLVAIN THOMAS / AFP)