Thai Meteorological Department Heavy Rain Warning Sept 4-7

Thairath•Society•9d ago

Reader Briefing

The Thai Meteorological Department has issued its first warning for heavy to very heavy rain across upper Thailand from September 4 to 7, 2026.

•Heavy to very heavy rain is expected in upper Thailand, specifically the North and Northeast, from September 4-7, 2026.
•The weather is caused by a monsoon trough passing through the North and upper Northeast, combined with a moderate southwest monsoon.
•Tropical Storm Sodel is expected to approach Taiwan between September 5-7, 2026, but will not enter Thailand.
•The Thai Meteorological Department warns of potential flash floods and forest runoff.

•The Thai Meteorological Department issued the announcement on September 2, 2026.
•Heavy to very heavy rain is forecast for upper Thailand from September 4 to 7, 2026.
•The weather is driven by a monsoon trough over the North and upper Northeast and a moderate southwest monsoon over the Andaman Sea, Thailand, and the Gulf of Thailand.
•Heavy rain may cause flash floods and forest runoff, particularly in areas near slopes, waterways, and low-lying areas.
•The Thai Meteorological Department advises people to avoid traveling through routes prone to repeated flooding.
•Tropical Storm Sodel is forecast to approach Taiwan from September 5 to 7, 2026.
•Tropical Storm Sodel will not move into Thailand.
•People are advised to follow announcements from the Thai Meteorological Department via their website or hotlines.

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Thai Meteorological Department(กรมอุตุนิยมวิทยา)ℹ️

The agency responsible for issuing weather warnings and monitoring conditions in Thailand.

Upper Thailand(ประเทศไทยตอนบน)

The region of Thailand expected to experience heavy to very heavy rain.

North(ภาคเหนือ)ℹ️

A region of Thailand particularly affected by heavy rain and the monsoon trough.

Northeast(ภาคตะวันออกเฉียงเหนือ)ℹ️

A region of Thailand particularly affected by heavy rain and the monsoon trough.

Andaman Sea(ทะเลอันดามัน)ℹ️

An area covered by the moderate southwest monsoon.

Gulf of Thailand(อ่าวไทย)ℹ️

An area covered by the moderate southwest monsoon.

Taiwan(ไต้หวัน)ℹ️

The island expected to be approached by Tropical Storm Sodel between September 5-7, 2026.

Upper South China Sea(ทะเลจีนใต้ตอนบน)

The location of Tropical Storm Sodel.