Preliminary satellite-derived flood assessment in Nakhon Sawan province of Thailand (Published 4 Oct 2021)

• Status: Increasing flood waters observed 

• Further action(s): continue monitoring 

• Summary of findings: 

 - Inundated urban and agricultural area observed along Ping river, Nan river and Cha Phraya river in Mueang District, Nakhon Sawan Province as of 3 Oct 2021 

 - Flooded road observed under the Dechatiwong Bridge in Mueang District, Nakhon Sawan Province as of 3 Oct 2021  

 - Increasing flood water observed in agricultural area in Mueang district, Nakhon Sawan province observed as of 3 October 2021 

 

(1) Satellite Image (Post-event) 

Pleiades / 3 October 2021 at 10:44 local time 

Pleiades / 1 October 2021 at 11:00 local time 

Pleiades / 30 September at 11:13 local time 

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

Source : Airbus DS 

(2) Satellite Image (Pre-event) 

WorldView-2 / 15 November 2019 

Source : ESRI Base map 



(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)