Second Announcement Warns of Summer Storm Check Provinces to Prepare for Thunderstorms and Strong Gusts

The Meteorological Department issues the second announcement warning of "summer storms." A new wave in upper Thailand will impact the area during11-13March 2026. Checkprovincesto prepare for thunderstorms and strong gusty winds.

On 10 March 2026, the website ofthe Meteorological Departmentissued the second announcement regarding summer storms in upper Thailand, stating that between 11-13March 2026,summer storms will develop in upper Thailand, beginning in the northern region first. The central region, western part of the northeast, the eastern region, including Bangkok and its vicinity, will be affected subsequently.

The storms will feature thunderstorms, strong gusty winds, hail in some areas, heavy rain in some locations, and possible lightning. This is due to the initial movement of westerly wind currents from Myanmar covering the north, combined with a moderate high-pressure area or cool air mass moving from China to cover the northeast,the eastern region,and the South China Sea, while upper Thailand remains hot.

People in these areas are advised to be cautious of dangers from the summer storms by avoiding open spaces, large trees, unstable structures, and billboards. Farmers should strengthen fruit trees and prepare to prevent damage to crops and livestock, as well as take care of their health during this changing weather.

Residents are urged to follow announcements from the Meteorological Department and can access information on their website,http://www.tmd.go.thor call 0-2399-4012-13 and 1182 24 hours a day. The provinces expected to be affected by thunderstorms and strong gusty winds are as follows:

On 11 March 2026,

High risk

• Northern region: Mae Hong Son, Chiang Mai, and Chiang Rai provinces.

Moderate risk

• Northern region: Lamphun, Lampang, Phayao, Nan, andPhrae provinces.

On 12 March 2026,

High risk

• Northern region: Chiang Mai, Chiang Rai, Lampang, Phayao, Nan,Uttaradit, Phitsanulok,and Phetchabun provinces.
• Northeastern region: Loei province.
• Central region: Nakhon Sawan, Lopburi, Saraburi, Kanchanaburi, Ratchaburi,Nakhon Pathom, and Samut Sakhon provinces,including Bangkok and its vicinity.
• Eastern region: Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao,and Chonburi provinces.

Moderate risk

• Northern region: Mae Hong Son, Lamphun,Phrae, Sukhothai,Tak,Kamphaeng Phet, and Phichit provinces.
• Northeastern region: Nong Bua Lamphu, Chaiyaphum, Nakhon Ratchasima, and Buriram provinces.
• Central region: Uthai Thani, Chai Nat, Sing Buri, Ang Thong,Phra Nakhon Si Ayutthaya, Suphan Buri,and Samut Songkhram provinces.
• Eastern region: Rayong, Chanthaburi, and Trat provinces.

On 13 March 2026,

Moderate risk

• Northern region: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang,Phayao, Nan,and Tak provinces.
• Central region: ProvincesKanchanaburi, Ratchaburi,Nakhon Pathom, Samut Sakhon,Samut Songkhram, including Bangkokand its vicinity.
• Eastern region: Nakhon Nayok, Prachinburi, Chachoengsao, Chonburi, and Rayong provinces.

Information from the Meteorological Department.