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: 1101374
Deaths: 1
Displaced: 1000
Region: Lídice, Praça Seca, São Gonçalo, Lídice
Countries: Brazil
From - To 13 Apr - 03 May
Known identifiers for this event:

GDACS Score

For more info on GDACS alert score click here.

Impact Assessement as of 03-05-2022

SENDAI Indicator A N Country Location Info
death 1 Brazil São Gonçalo, Praça Seca, Lídice
SENDAI Indicator B N Country Location Info
affected 500 Brazil barbalha, Barbalha
displaced 1000 Brazil Vitória do Jari, Laranjal do Jari
rescued 46 Brazil Lídice, Praça Seca, São Gonçalo
SENDAI Indicator C N Country Location Info
houses destroyed 4 Brazil Lídice, Praça Seca, São Gonçalo

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 0 deaths 13 Apr 2022 21 Apr 2022 FloodList
2 0 deaths and 1000 displaced 17 Apr 2022 19 Apr 2022 FloodList
3 1 deaths 28 Apr 2022 03 May 2022 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.