Overall Red alert Flood
in India

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: 1100977
Deaths: 1
Displaced: 72995
Region: Vikarabad, Andhra Pradesh, Odisha, Srikakulam
Countries: India
From - To 26 Sep - 28 Sep
Known identifiers for this event:

GDACS Score

For more info on GDACS alert score click here.

Impact Assessement as of 28-09-2021

SENDAI Indicator A N Country Location Info
death 1 India Vikarabad
SENDAI Indicator B N Country Location Info
displaced 22468 India Odisha
displaced 512 India Srikakulam
displaced 3940 India Srikakulam
displaced 46075 India Odisha
SENDAI Indicator C N Country Location Info
houses 42 India Andhra Pradesh

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 25 deaths 17 Jul 2021 19 Jul 2021 FloodList
2 6 deaths 11 Jul 2021 14 Jul 2021 FloodList
3 0 deaths and 400 displaced 22 Jul 2021 26 Jul 2021 FloodList
4 9 deaths and 31360 displaced 22 Jul 2021 24 Jul 2021 FloodList
5 204 deaths and 375178 displaced 22 Jul 2021 24 Jul 2021 FloodList
6 7 deaths 28 Jul 2021 02 Aug 2021 FloodList
7 14 deaths and 250000 displaced 29 Jul 2021 31 Jul 2021 FloodList
8 2 deaths 29 Jul 2021 31 Jul 2021 FloodList
9 16 deaths 25 Jul 2021 30 Jul 2021 FloodList
10 27 deaths and 29280 displaced 01 Aug 2021 03 Aug 2021 FloodList
11 0 deaths 07 Aug 2021 09 Aug 2021 FloodList
12 7 deaths 03 Aug 2021 05 Aug 2021 FloodList
13 12 deaths and 85000 displaced 05 Aug 2021 07 Aug 2021 FloodList
14 0 deaths and 6237 displaced 06 Aug 2021 08 Aug 2021 FloodList
15 0 deaths and 5000 displaced 04 Aug 2021 06 Aug 2021 FloodList
16 0 deaths and 770 displaced 16 Aug 2021 18 Aug 2021 FloodList
17 1 deaths FloodList
18 1 deaths 30 Aug 2021 01 Sep 2021 FloodList
19 5 deaths 29 Aug 2021 31 Aug 2021 FloodList
20 5 deaths 06 Sep 2021 08 Sep 2021 FloodList
21 10 deaths and 1300 displaced 14 Sep 2021 16 Sep 2021 FloodList
22 52 deaths and 1200 displaced 15 Sep 2021 17 Sep 2021 FloodList
23 0 deaths FloodList
24 1 deaths and 72995 displaced 26 Sep 2021 28 Sep 2021 FloodList
25 11 deaths and 500000 displaced 30 Sep 2021 02 Oct 2021 FloodList
26 0 deaths 30 Sep 2021 01 Oct 2021 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.