2025-07-17 Flood due to TC WIPHA in Northern Thailand on 17 July, 2025

Emergency Obs. Request Information

Disaster Type: Flood
Country/Region: Thailand
Occurrence Date (UTC): 17 July, 2025
SA activation Date(UTC): 23 July, 2025
Requester: Geo-Informatics and Space Technology Development Agency (GISTDA)
Escalation to the International Charter: No
GLIDE Number: TC-2025-000115-PHL

Disaster Situation

Continuous heavy rain since the evening of July 11, combined with the influence of Typhoon Wipha cased the river in the upper northern part of Thailand, to overflowed and flooded, affecting to houses and agricultural areas in Nan, Phayao and Chiang Rai provinces.
https://www.bangkokpost.com/thailand/general/3074269/flooding-persistent-rain-in-north
https://world.thaipbs.or.th/detail/nan-under-water-river-rising-fast-roads-impassable-schools-shut/58286
https://ahacentre.org/flash-update/flash-update-no-02-tropical-cyclone-wipha-and-southwest-monsoon-21-july-2025/

Web GIS

Flood due to TC WIPHA in Northern Thailand on 17 July, 2025 see detail

EOR requesters-only Web-GIS site (with satellite imagery) see detail

The account will be sent to the EOR requester after Web GIS page is prepared.
If you are interested in to be a member of Sentinel Asia, please contact: z-sentinel.asia＠ml.jaxa.jp

Product

AIT

2025-07-27

DETECTED FLOOD WATER IN
PHAYAO PROVINCE THAILAND
As Observed by ALOS-2 images on 19 July 2025

2025-07-27

DETECTED FLOOD WATER IN
PHAYAO PROVINCE THAILAND
As Observed by ALOS-2 images on 19 July 2025

JAXA

2025-07-28

Flood Proxy Map 2025-07-19
by ALOS-2 (Automatic Analysis)
Shapefile

2025-07-28

Flood Proxy Map 2025-07-19
by ALOS-2 (Automatic Analysis)
Geojson

2025-07-29

Flood Proxy Map 2025-07-28
by ALOS-2 (Automatic Analysis)
Shapefile

2025-07-29

Flood Proxy Map 2025-07-28
by ALOS-2 (Automatic Analysis)
Geojson

MBRSC

2025-07-28

Post-Disaster Flood Assessment - Nan Province, Thailand
As Observed by Sentinel-1 image on 19 July 2025

2025-07-28

Post-Disaster Flood Assessment - Nan Province, Thailand
As Observed by Sentinel-1 image on 19 July 2025

Satellite Image

Before Disaster

JAXA

2025-01-13

ALOS-2 Level2.1
IMG HH ALOS2 57481/0360 2025/01/13 FBD R 2.1 GUA

2025-01-13

ALOS-2 Level2.1
IMG HH ALOS2 57481/0370 2025/01/13 FBD R 2.1 GUA

2025-01-13

ALOS-2 Level2.1
IMG HH ALOS2 57481/0390 2025/01/13 FBD R 2.1 GUA

2025-01-13

ALOS-2 Level2.1
IMG HH ALOS2 57481/0400 2025/01/13 FBD R 2.1 GUA

2025-05-24

ALOS-2 Level2.1
IMG HH ALOS2 59418/0360 2025/05/24 FBD R 2.1 GUA

2025-05-24

ALOS-2 Level2.1
IMG HH ALOS2 59418/0370 2025/05/24 FBD R 2.1 GUA

2025-05-24

ALOS-2 Level2.1
IMG HH ALOS2 59418/0380 2025/05/24 FBD R 2.1 GUA

After Disaster

JAXA

2025-07-19

ALOS-2 Level2.1
IMG HH ALOS2 60238/3200 2025/07/19 WBD R 2.1 GUD

2025-07-19

ALOS-2 Level2.1
IMG HH ALOS2 60238/3250 2025/07/19 WBD R 2.1 GUD

2025-07-19

ALOS-2 Level2.1
IMG HH ALOS2 60246/0360 2025/07/19 FBD R 2.1 GUA

2025-07-19

ALOS-2 Level2.1
IMG HH ALOS2 60246/0370 2025/07/19 FBD R 2.1 GUA

2025-07-19

ALOS-2 Level2.1
IMG HH ALOS2 60246/0380 2025/07/19 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0350 2025/07/28 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0360 2025/07/28 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0370 2025/07/28 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0380 2025/07/28 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0390 2025/07/28 FBD R 2.1 GUA

2025-07-28

ALOS-2 Level2.1
IMG HH ALOS2 60379/0400 2025/07/28 FBD R 2.1 GUA

ISRO

2025-07-27

EOS-04 SAR HH
StripNumber=26010 SceneNumber=3
27-JUL-2025 10:47:35

2025-07-27

EOS-04 SAR HV
StripNumber=26010 SceneNumber=3
27-JUL-2025 10:47:35

2025-07-27

EOS-04 SAR HH
StripNumber=26010 SceneNumber=4
27-JUL-2025 10:47:56

2025-07-27

EOS-04 SAR HV
StripNumber=26010 SceneNumber=4
27-JUL-2025 10:47:56

TASA

2025-08-03

FORMOSAT-5 Level4
FS5 G000 PMS L4UTM 2025/08/03 03:47:34

2025-08-05

FORMOSAT-5 Level4
FS5 G000 PMS L4UTM 2025/08/05 03:46:46