Brazil – Floods Displace 2,600 in Rio Grande Do Sul

Civil Defence officials in the state of Rio Grande do Sul, Brazil, say that flooding has forced over 2,600 people to evacuate their homes.

The flooding in the southern state comes after 2 states in the north east of the country declared a state of emergency after flooding rivers and landslides left at least 7 people dead and forced over 40,000 from their homes.

Rio Grande do Sul

Flooding in the Uruguay, Caí and Taquari river basins has forced 451 families from their homes. More rain is likely and authorities have warned of further flooding, particularly along the Taquari and Uruguay rivers. Other rivers, including the Guaíba and Jacui, are also threatening to overflow.

So far flooding has been reported in the municipalities of Barros Cassal, Boqueirão do Leão, Campo Novo, Casca, Cristal, Coronel Bicaco, Dom Pedrito, Itaqui, Panambi, Pedras Altas, São Borja, São Jerônimo, São José das Missões, Sertão, Tenente Portela, Tiradentes do Sul, Três Passos, Tunas and Vila Lângaro

The Civil Defense is in a state of alert, with the monitoring of the regional coordinates together with the municipalities, offering all necessary help to affected localities.

Rainfall

Sistema de Monitoramento e Alerta de Desastres do Rio Grande do Sul (SMAD RS) reports that 100.4 mm of rain fell in 24 hours in Itaqui on 26 May and 103.8 in Campo Bom during the same period. On 30 May, 103.75 mm of rain was recorded in Alzir dos Santos Antunes Entre Rios.

Heavy rain was also recorded in parts of southern Brazil during a 24 hour period to 31 May. According to WMO figures, Campos Novos (Santa Catarina) recorded 113 mm, Passo Fundo (Rio Grande do Sul) 56 mm and Sao Luiz Gonzaga (Rio Grande do Sul) 91 mm.

Porto Maua Floods from the River Uruguay, 01 June 2017. Photo: Vilson Winkler

Flood Summary

Last updated: June 1, 2017
Event
Rio Grande Do Sul, Brazil, May to June 2017
Date
May 26, 2017
Type
River flood
Cause
Long-term rainfall

Locations

A - Barros Cassal
B - Vila Lângaro
C - Tunas
D - Três Passos
E - Tiradentes do Sul
F - Tenente Portela
G - Sertão
H - São José das Missões
I - São Jerônimo
J - São Borja
K - São Borja
L - Itaqui

Magnitude

Rainfall level
103.75 mm in 24 hours
Alzir dos Santos Antunes Entre Rios - May 30 to May 30, 2017
Figures from Sistema de Monitoramento e Alerta de Desastres do Rio Grande do Sul (SMAD RS)
Rainfall level
72.8 mm in 24 hours
Dona Francisca - May 27 to May 27, 2017
Rainfall level
103.8 mm in 24 hours
Campo Bom - May 26 to May 26, 2017
Rainfall level
100.4 mm in 24 hours
Itaqui - May 26 to May 26, 2017
River level
6.7 metres
Rio dos Sinos at Campo Bom - May 31 to May 31, 2017
Figures from SMAD RS
River level
10.09 metres
Uruguay river at Itaqui - May 31 to May 31, 2017
River level
10.03 metres
Uruguay river at Uruguaiana - May 31 to May 31, 2017
River level
8.1 metres
Jacuí river at Dona Francisca - May 31 to May 31, 2017

Damages

Evacuated
2,600
Rio Grande do Sul - May 26 to May 31, 2017

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