Thai Met Dept Warns of Heavy Rain and Tropical Storm Risk

Thairath•Society•10d ago

Reader Briefing

The Thai Meteorological Department issued warning No. 8 regarding heavy to very heavy rainfall across multiple regions and the potential formation of a tropical storm.

•The Thai Meteorological Department issued warning No. 8 on September 10, 2026.
•Heavy to very heavy rain is expected in Northern, Northeastern, Central, Eastern, and Southern Thailand, including Bangkok and vicinity.
•A strong low-pressure area in the central South China Sea is likely to intensify into a tropical storm and approach upper Vietnam between September 13-14, 2026.

Overview

•On September 10, 2026, the Thai Meteorological Department announced warning No. 8 regarding heavy to very heavy rain across Thailand.
•Rainfall on September 10, 2026, is caused by a high-pressure area or cold air mass covering the upper North and upper Northeast, shifting the monsoon trough over the lower North, upper Central, and lower Northeast.
•From September 11-13, 2026, the South will see increased rainfall including heavy to very heavy rain, while the North and Northeast will experience decreased rain.
•Rain in the Central region, Bangkok and vicinity, and the East on September 11-13, 2026, is caused by a cold air mass from southern China moving over the North and upper Northeast.
•The Thai Meteorological Department warns citizens of dangers from heavy to very heavy rain and accumulated rain which may cause flash floods and forest runoff.
•The Thai Meteorological Department advises citizens to avoid traveling through routes with chronic flooding, especially in low-lying areas.
•Between September 11-13, 2026, a strong low-pressure area in the central South China Sea is likely to intensify into a tropical storm.
•The potential tropical storm is expected to move close to the coast of upper Vietnam between September 13-14, 2026.

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Key Entities

Organization

Thai Meteorological Department(กรมอุตุนิยมวิทยา)ℹ️

The agency responsible for issuing weather warnings and forecasts for Thailand.

Place

Thailand(ประเทศไทย)ℹ️

The country experiencing heavy to very heavy rainfall across various regions.

Bangkok(กรุงเทพมหานคร)ℹ️

A region in Thailand warned of heavy rainfall.

South China Sea(ทะเลจีนใต้)ℹ️

The area where a strong low-pressure area is likely to intensify into a tropical storm.

Vietnam(เวียดนาม)ℹ️

The country whose upper coast is expected to be approached by a tropical storm between September 13-14, 2026.

China(ประเทศจีน)ℹ️

The country whose southern region is the source of a cold air mass moving into Thailand.

Andaman Sea(ทะเลอันดามัน)ℹ️

A sea area covered by the southwest monsoon.

Gulf of Thailand(อ่าวไทย)ℹ️

A sea area covered by the southwest monsoon.