Volunteers carry an elderly man rescued from an area flooded by heavy rain in Porto Alegre, Rio Grande do Sul state, Brazil, Tuesday, May 7, 2024. (AP Photo/Carlos Macedo)
Residents are evacuated in a military vehicle from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
Volunteers gather in order to help residents evacuate from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
A member of the Civil Defense carries a child rescued from an area flooded by heavy rains in Porto Alegre, Rio Grande do Sul state, Brazil, Saturday, May 4, 2024. (AP Photo/Carlos Macedo)
A bicyclist wades through a street flooded by heavy rains in Porto Alegre, Rio Grande do Sul state, Brazil, Saturday, May 4, 2024. (AP Photo/Carlos Macedo)
A man rows a makeshift boat through an inundated street flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
The Beira Rio stadium and surrounding area is flooded after heavy rain in Porto Alegre, Rio Grande do Sul state, Brazil, Tuesday, May 7, 2024. (AP Photo/Carlos Macedo)
This combination of images released by Maxar Technologies shows the before and after views of flooding of areas around Gremio Arena, Porto Alegre, Brazil, May 7, 2024. (Satellite image ©2024 Maxar Technologies via AP)
A resident carries his pets as he evacuates from a flooded area after heavy rain in Porto Alegre, Rio Grande do Sul state, Brazil, Tuesday, May 7, 2024. (AP Photo/Carlos Macedo)
A volunteer reacts during a search and rescue operation from an area flooded by heavy rains in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
View of an area flooded by heavy rains in Porto Alegre, Rio Grande do Sul state, Brazil, Monday, May 6, 2024. (AP Photo/Carlos Macedo)
A fleet of vehicles sit partially submerged in flood waters caused by heavy rains, in a parking lot near the international airport in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
People rest in a shelter after their homes were flooded by heavy rains in Porto Alegre, Rio Grande do Sul state, Brazil, Saturday, May 4, 2024. (AP Photo/Carlos Macedo)
Vehicles sit partially submerged at an Audi car dealership, after heavy rains in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
A civil firefighter helps a resident evacuated from an area flooded by heavy rains in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
Volunteers evacuate residents from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
Volunteers push a wheelchair transporting a resident evacuated from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
This combination of images released by Maxar Technologies shows the before and after views of flooding along Taquari River, Taquari, Brazil. Sept. 15,2024, top, May 7, 2024, bottom. (Satellite image ©2024 Maxar Technologies via AP)
Volunteers evacuate residents from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)
Volunteers help to evacuate residents from an area flooded by heavy rains, in Porto Alegre, Brazil, Tuesday, May 7, 2024. (AP Photo/Andre Penner)