A firefighter wades through flooded streets in Opava, Czech Republic, Sunday Sept. 15, 2024. (Jaroslav Ozana/CTK via AP)

A resident hugs with her relative after being evacuated from her flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A resident is evacuated from her flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

Residents watch the river during floods Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A cyclist looks at Donaukanal channel flood its banks at Urania observatory in central Vienna, Austria, Sunday, Sept. 15, 2024. (AP Photo/Heinz-Peter Bader)

Firemen help a resident during floods in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A man wades through flood water in Opava, Czech Republic, Sunday Sept. 15, 2024. (Jaroslav Ozana/CTK via AP)

Residents fill sand bags to protect their houses during floods in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

Firemen attend to a house during floods in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A drone image showing the floods in the Ostrava-Koblov district, Czech Republic, Sunday Sept. 15, 2024. (Petr Sznapka/CTK via AP)

Debris collects on a small overpath on the Opavice River near Krnov, Czech Republic, Saturday, Sept. 14, 2024. (AP Photo/Petr David Josek)

A flooded backyard with carved wood religious figures in Kłodzko, southwest Poland, as days of unusually heavy rain have swollen rivers and spilled over embankments in the region, on Sunday, Sept. 15, 2024. (AP Photo/Krzysztof Zatycki)

Firemen drive through flooded streets of Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

Firemen help residents during floods in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

People watch the junction of river Wien and Donaukanal channel as they flood their banks in central Vienna, Austria, Sunday, Sept. 15, 2024. (AP Photo/Heinz-Peter Bader)

River Wien floods its banks next to tracks and a closed subway station in the west of Vienna, Austria, Sunday, Sept. 15, 2024. (AP Photo/Heinz-Peter Bader)

A man enjoys a ride on a padlle board during floods in Zahorska Bystrica, Slovakia, Sunday, Sept. 15, 2024. (AP Photo/Tomas Hrivnak)

Spectators look at the partially collapsed Carolabrücke bridge over the Elbe, which is rising rapidly due to upcoming flood waters, in front of the state chancellery in Dresden, Germany, Sunday, September 15, 2024. (AP Photo/Markus Schreiber)

A woman takes a photo of high levels of the Danube river in Bratislava, Slovakia, Sunday, Sept. 15, 2024. (AP Photo/Tomas Hrivnak)

Workers set up rarely-used mobile anti-flood walls at the bank of Danube river in Bratislava, Slovakia, Sunday, Sept. 15, 2024. (AP Photo/Tomas Hrivnak)

A view of flooded houses in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

Spectators look at the partially collapsed Carolabrücke bridge over the Elbe, which is rising rapidly due to upcoming flood waters, in front of the state chancellery in Dresden, Germany, Sunday, September 15, 2024. (AP Photo/Markus Schreiber)

A view of the partially collapsed Carolabrücke bridge over the Elbe, which is rising rapidly due to upcoming flood waters, in front of the state chancellery in Dresden, Germany, Sunday, September 15, 2024. (AP Photo/Markus Schreiber)

Flooded streets from the Danube River in Passau, Germany, Sunday Sept. 15, 2024. (Armin Weigel/dpa via AP)

A resident is evacuated from his flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

The Donaukanal channel floods its banks in central Vienna, Austria, Sunday, Sept. 15, 2024. (AP Photo/Heinz-Peter Bader)

A firefighter wades through flooded streets in Opava, Czech Republic, Sunday Sept. 15, 2024. (Jaroslav Ozana/CTK via AP)

A view of flooded houses in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

An army helicopter flies over the flooded Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A man stands in waist-deep water that has flooded the streets and houses in the town of Kłodzko, in Poland's southwest, Sunday, Sept. 15, 2024, after days of unusually heavy rain. (AP Photo/Krzysztof Zatycki)

A resident is evacuated from his flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

A resident with his dog is taken by a rubber boat from his flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

River Wien floods its banks in the west of Vienna, Austria, Sunday, Sept.15, 2024. (AP Photo/Heinz-Peter Bader)

A dog stands at gate of a flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

The Bela River flows past a church during floods in Mikulovice, Czech Republic, Saturday, Sept. 14, 2024. (AP Photo/Petr David Josek)

Spectators look at the partially collapsed Carolabrücke bridge, over the Elbe, which is rising rapidly due to upcoming flood waters, in front of the state chancellery in Dresden, Germany, Sunday, September 15, 2024. (AP Photo/Markus Schreiber)

A view of a street as the electricity went out due to recent floods in Opava, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Jan Gebert)

A resident hugs with her relative after being evacuated from her flooded house in Jesenik, Czech Republic, Sunday, Sept. 15, 2024. (AP Photo/Petr David Josek)

Garages and a house flooded in the town Kłodzko, in Poland's southwest, Sunday, Sept. 15, 2024, after days of unusually heavy rain. (AP Photo/Krzysztof Zatycki)