Overall Green Flood alert in Indonesia from 15 Sep 2023 01:00 UTC to 22 Sep 2023 01:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green alert Flood

in Indonesia

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:	1102224
Deaths:	0
Displaced:	197
Region:	Padang Pariaman, Pasaman Barat, Aceh Selatan
Countries:	Indonesia
From - To	15 Sep - 24 Sep
Known identifiers for this event:

GDACS Score

For more info on GDACS alert score click here.

Impact Assessement as of 25-09-2023

SENDAI Indicator B	N	Country	Location
affected	1602	Indonesia	Medan City
affected	488	Indonesia	Simeulue
affected	1	Indonesia	Malinau
affected	255	Indonesia	Malinau
affected	2508	Indonesia	Buol
affected	250	Indonesia	Donggala
affected	1312	Indonesia	Padang Pariaman
affected	3024	Indonesia	Pasaman Barat
affected	931	Indonesia	Aceh Selatan
displaced	20	Indonesia	Pasaman Barat
displaced	177	Indonesia	Malinau

SENDAI Indicator C	N	Country	Location
houses	412	Indonesia	Medan City
houses	122	Indonesia	Simeulue
houses	4	Indonesia	Malinau
houses	627	Indonesia	Buol
houses	50	Indonesia	Donggala
houses	486	Indonesia	Padang Pariaman
houses	4	Indonesia	Pasaman Barat
houses	743	Indonesia	Pasaman Barat
houses	263	Indonesia	Aceh Selatan

Satellite Observation

Satellite-based Flood extent provided by GLOFAS

Overall of the satellite-based flooded area from / to : 2023-09-08 / 2023-10-01

Timeline of revisions

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

ID	Population affected	Start Date	End Date	Source
1	0 deaths	15 Sep 2023	17 Sep 2023	GLOFAS
2	0 deaths and 177 displaced	22 Sep 2023	24 Sep 2023	GLOFAS
3	0 deaths	19 Sep 2023	21 Sep 2023	GLOFAS
4	0 deaths and 20 displaced	20 Sep 2023	22 Sep 2023	GLOFAS

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.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.