Overall Green alert Flood
in Brazil

Flood impact summary

This flood is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID: 1100345
Deaths: 81
Displaced: 7242
Region: São Paulo de Viana, Greater Sao Paulo, Araçariguama, Aracariguama, Juquiá, Juquia, Cubatão, Cubatao, Taboão da Serra, Taboao da Serra, Peruíbe, Peruibe, Botucatu
Countries: Brazil
From - To 17 Jan - 10 Feb
Known identifiers for this event:

GDACS Score

For more info on GDACS alert score click here.

Impact Assessement as of 10-02-2020

SENDAI Indicator A N Country Location Info
death - Brazil Iconha
death 3 Brazil Alfredo Chaves
death 30 Brazil Greater Belo Horizonte
death 47 Brazil Minas Gerais
death 1 Brazil Botucatu
missing 2 Brazil Botucatu
missing 4 Brazil Minas Gerais
missing 17 Brazil Greater Belo Horizonte
SENDAI Indicator B N Country Location Info
displaced 3500 Brazil Greater Belo Horizonte
displaced 3500 Brazil Minas Gerais
displaced 14 Brazil São Paulo de Viana, Greater Sao Paulo
displaced 5 Brazil Araçariguama, Aracariguama
displaced 3 Brazil Juquiá, Juquia
displaced 2 Brazil Cubatão, Cubatao
displaced 32 Brazil Taboão da Serra, Taboao da Serra
displaced 106 Brazil Peruíbe, Peruibe
displaced 80 Brazil Botucatu
injured 68 Brazil Minas Gerais
injured 7 Brazil Greater Belo Horizonte

Satellite Observation

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Timeline of revisions

For accessing reports of previous advisories, please click on the advisory number in the table below.

IDAlert ColorPopulation affectedStart DateEnd DateSource
1 30 deaths and 3500 displaced 23 Jan 2020 23 Jan 2020 FloodList
2 3 deaths 17 Jan 2020 19 Jan 2020 FloodList
3 47 deaths and 3500 displaced 23 Jan 2020 04 Feb 2020 FloodList
4 1 deaths and 242 displaced 10 Feb 2020 10 Feb 2020 FloodList

Flood polygons

This polygon (translucent blue with a blue border) is drawn by the analysts recording the flood event. It is meant to include all the areas reported as affected, by official source or the media. It does not represent the area actually under water.

Microwave flood detection

Flooded area, as detected in microwaves by the Global Flood Detection System of the JRC, based on NASA TRMM/GPM observations. This system has a rather low resolution (of 5-10km) but is not affected by clouds.
For more details, see http://www.unisdr.org/files/9622_LBNA23303ENC002.pdf.
The areas with a flood signal along the coast are an artefact of the system and should not be considered.

Optical Flood detection

Flooded area as detected in optical wavelengths by NASA/MODIS, known as "MODIS Flood Product". Data are made available by NASA GSFC Flood Mapping Project, http://oas.gsfc.nasa.gov/floodmap/index.html. Resolution of 250m, heavily affected by cloud cover.