Preliminary satellite-derived flood assessment in Central and Northeastern Part of Thailand (Published 1 Oct 2021)

• Status: Increased water level and inundated urban and agriculture areas observed 

• Further action(s): continue monitoring 

• Summary of findings: 

 - Widespread inundated in urban and agricultural areas observed near the river and canal in all AOIs as of 30 Sep 2021 

 - Inundated roads and buildings observed in all AOIs as of 30 Sep 2021  

 - Overflow evidence along the irrigation canals observed in all AOIs as of 30 Sep 2021 

 - Flooded railway observed in Non-Sung district, Nakhon Ratchasima province as of 30 Sep 2021

(1) Satellite Image (Post-event) 

Pleiades / 30 September 2021 at 11:13 local time 

Pleiades / 1 October 2021 at 11:00 local time 

Copyright: CNES (2021), distribution Airbus D&S 

Source : Airbus DS 

NOAA-20 (VIIRS) / Between 25 & 30 September 2021 

Copyright: NOAA/Suomi NPP 

Source: NOAA 

Kanopus-V [PSS] / 30 September 2021 

Copyright: © NTs OMZ, All Rights Reserved, ROSCOSMOS 2021 

Source: ROSCOSMOS 

(2) Satellite Image (Pre-event) 

ESRI Basemap 

(3) Ancillary data 

Administrative boundaries: Royal Thai Survey Department 

Road: Open Street Map 

Waterways: Open Street Map 

Analysis: United Nations Satellite Centre (UNOSAT) 

Production: United Nations Satellite Centre (UNOSAT)