Thai Meteorological Department Warning No. 2 Heavy Rain

Thairath•Society•1d ago

Reader Briefing

The Thai Meteorological Department issued warning No. 2 regarding heavy to very heavy rain and strong winds from September 17 to 20, 2026.

•The Thai Meteorological Department warns of heavy to very heavy rain across Thailand from September 17 to 20, 2026.
•Northern and Northeastern regions will be affected starting September 17, 2026, followed by Central, Eastern, and Southern regions on September 18, 2026.
•Strong winds in the Andaman Sea are expected to produce waves of 2-3 meters, exceeding 3 meters in thunderstorm areas.

•The Thai Meteorological Department issued the announcement on September 15, 2026, with effects lasting from September 17 to 20, 2026.
•High pressure or cold air masses from China will move to cover the upper North and upper Northeast, pushing the monsoon trough across the lower Central, Eastern, and upper Southern regions.
•The southwest monsoon covering the Andaman Sea, Thailand, and the Gulf of Thailand will strengthen.
•The Thai Meteorological Department warns citizens of heavy to very heavy rain and accumulated rainfall that may cause flash floods and forest run-off.
•The Thai Meteorological Department advises avoiding travel through areas with chronic flooding, especially low-lying areas prone to short-term flooding.
•The Thai Meteorological Department advises sailors in the Gulf of Thailand and the Andaman Sea to navigate with caution and avoid thunderstorm areas.
•The Thai Meteorological Department advises small boats in the Andaman Sea to refrain from leaving shore from September 17 to 20, 2026.
•The Thai Meteorological Department urges citizens to monitor updates via its website or telephone hotlines 0-2399-4012-13 and 1182.

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Thai Meteorological Department(กรมอุตุนิยมวิทยา)ℹ️

The agency issuing the weather warning and providing updates on rainfall and sea conditions.

Thailand(ประเทศไทย)ℹ️

The country experiencing heavy rain and strong winds.

China(ประเทศจีน)ℹ️

The source of high pressure or cold air masses moving toward Thailand.

Andaman Sea(ทะเลอันดามัน)ℹ️

The sea area experiencing strong winds and high waves.

Gulf of Thailand(อ่าวไทย)ℹ️

A sea area where sailors are advised to navigate with caution.