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Severe Flash Floods Devastate Nan and Phayao Provinces
Thai Ch8•31:32•Disasters•
News
Heavy rainfall triggers massive flash floods in Nan and Phayao, causing widespread destruction, casualties, and urgent evacuations in economic zones.
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Events
Heavy rain begins around 10:00 PM the previous night.
Flash floods hit Pua district around 4:00 AM on August 20, 2026.
Bridges in Don Mun and Fai Chao are destroyed by 6:00 PM the previous day.
Nan Municipality sounds sirens at 8:00 PM to warn of rising waters.
Water reaches Nan city center in the early hours of August 20.
Prime Minister issues directives from Australia.
Emergency pumps installed in Nan and Wiang Sa to drain water.
Who & What's Involved
Nan Municipality10th Cavalry RegimentNan HospitalMinistry of InteriorDepartment of Disaster Prevention and Mitigation (DDPM)Chainarong Wongyai (Governor of Nan)Vipanee (Resident of Ban Prang)Chainat Yosnan (Deputy Prime Minister)Prime Minister of Thailand
Topics
Flash FloodsEmergency EvacuationDisaster ManagementDeforestationPublic Safety
Locations
Nan Province (Pua, Tha Wang Pha, Wiang Sa, Nan City)Phayao Province (Pong District)Sirikit Dam, Uttaradit