Weather Advisory
Subject: Summer Thunderstorm in the upper Thailand
And heavy rains in the South
(Effect during 9-12 May 2025)
No.1 (110/2025)
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During 9-12 May 2025, the moderate high-pressure system from China will extend to Vietnam and the South China Sea where hot to very hot weather occurs. Outbreaks of summer storms are possible following with thunderstorms, gusty wind and hail including lightning strike are likely in some areas of the Northeast at first then the rest regions except for the South.
People in the upper country should keep healthy due to changeable weather and beware of severe conditions by keeping off outdoor places, big trees and unsecured billboards and farmers should prevent for crops damage and animals danger.
The southwesterly wind prevailing over the Andaman Sea and the South will strengthen with more rains and isolated heavy rains in the South. People in the South should beware of heavy rains and accumulation that may cause flash floods and overflows, especially along the waterways near foothills and lowlands. The strengthening wind force the waves in the Andaman Sea up to 1-2 meters high and above 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers.
This advisory is in effect on 7 May 2025, at 5.00 p.m.
This next issue will be on 8 May 2025, at 5.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee Yavinchan)
Director-General
Thai Meteorological Department