Overall Green alert Flood
in Thailand

Event summary

Flood can have a low humanitarian impact based on the magnitude, exposed population and vulnerability.

GDACS ID FL 1103382
Death: 1
Displaced: 59
Countries: Thailand
From - To 09 Jul - 23 Jul

GDACS Score

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Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Thailand - Floods, update (ECHO 23 Jul 2025)Fri, 18 Jul 2025 09:41

  • Heavy rainfall has been affecting northern Thailand, in particular the Nan, Lampang, Chiang Rai, and Phetchabun provinces over the last few days, causing floods and triggering  a landslide that have resulted in affected populations and damage.
  • The ASEAN Disaster Information Network (ADINet) reports, as of 18 July, nearly 2,200 affected people and approximately 600 flooded houses across all the aforementioned affected provinces due to floods. In addition, ADINet also reports one damaged house in the Nan province due to a landslide.
  • Over the next 96 hours, more heavy rainfall is forecast over most of Thailand, except over the peninsular southern Thailand.
Tropical Storm Wipha, Thailand, July 2025Storm Wipha caused flooding in the provinces of Nan, Chiang Rai, Phayao, Lampang, Chiang Mai, and Loei in Thailand in late July 2025. Many areas had already seen flooding earlier in July (reported separately). As of 24 July, DDPM reported 8,775 households or 32,176 people affected. The worst affected areas were in Chiang Rai and Nan. One person was missing in Tha Wang Pha District, Nan Province, after being swept away by floodwaters. DDPM reported overflowing rivers caused flooding in Sukhothai and Phrae Provinces from 26 July, prompting evacuations.Sun 27 Jul 2025Provided by Copernicus EMS GloFAS
Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

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WEEKLY DISASTER UPDATE 23 – 29 June 2025 7/18/2025 11:26:00 AM.

REGIONAL SUMMARY: During the twenty-sixth week of 2025, the ASEAN region experienced a total of 17 disaster events, including droughts, floods, storms, and wind-related disasters, affecting several Member States—specifically Indonesia, Thai
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Chiang Mai survives flood scare but warned not to lower guard 7/18/2025 6:11:00 AM.

CHIANG MAI - The northern city has escaped flooding as the water level of the Ping River continues to drop, but officials on Friday warned of another possible downpour in the coming days. Chiang Mai irrigation chief Kuakul Manasamphanthasak
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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (37), (2), NASA (4), WMO (1), INFORM (2),