Overall Green alert Flood
in United States

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: 1100194
Deaths: 5
Displaced: 30
Region: Texas
Countries: United States
From - To 11 Sep - 24 Sep
Known identifiers for this event:

GDACS Score

For more info on GDACS alert score click here.

Impact Assessement as of 17-09-2019

SENDAI Indicator A N Country Location Info
death 5 United States Texas
SENDAI Indicator B N Country Location Info
displaced 30 United States Madison
rescued 700 United States Texas
rescued 15 United States Phoenix, East Valley
SENDAI Indicator D N Country Location Info
roads 30 United States South Dakota
roads 17 United States Texas

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 and 30 displaced 11 Sep 2019 11 Sep 2019 FloodList
2 5 deaths 17 Sep 2019 17 Sep 2019 FloodList
3 0 deaths 23 Sep 2019 24 Sep 2019 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.