The Thaiger
Thailand braces for flash floods as heavy rain warning runs to August 21
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The Thai Meteorological Department (TMD) has issued a weather forecast for Tuesday, August 18 . It comes alongside a separate warning of heavy to very heavy rain running through August 21 across the upper North and upper Northeast.
Key facts
- The Thai Meteorological Department (TMD) has issued a weather forecast for Tuesday, August 18
- Thunderstorms will cover 60 to 70% of the region, with isolated heavy rain in Mae Hong Son, Chiang Rai and Tak
- A monsoon trough lies across upper Laos and into a low-pressure cell over upper Vietnam
- Storms will affect 60 to 70% of the region, with isolated heavy to very heavy rain in Nong Khai, Nakhon Phanom and Ubon Ratchathani
- Storms are expected over 40 to 60% of the region, mainly in Kanchanaburi and Saraburi
- Heavy to very heavy rain is expected in Nakhon Nayok, Chanthaburi and Trat, with thunderstorms covering 60 to 70% of the region
Summary
A monsoon trough lies across upper Laos and into a low-pressure cell over upper Vietnam. A strong southwest monsoon continues to sweep the Andaman Sea, mainland Thailand and the Gulf of Thailand.
TMD has warned residents in the affected areas to watch for flash floods, forest runoff and overflowing riverbanks, particularly near foothills, waterways and low-lying land.