Meteorology Office Warns 34 Provinces of Heavy Rain, Flash Floods
Thailand's Meteorology Department warns 34 provinces of severe thunderstorms and potential flash floods over the next 24 hours as a monsoon trough and strengthening southwest monsoon bring heavy rainfall across northern, northeastern, and e
The Thai Meteorology Department forecasts continued heavy rain in parts of Thailand over the next 24 hours due to a monsoon trough affecting the upper northern region and northern Laos, combined with a strengthening southwest monsoon over the Andaman Sea, Thailand, and the Gulf of Thailand. The public is warned to be alert for severe to very heavy rain and accumulated rainfall that may cause flash floods and flash flooding, particularly in foothill areas near water channels and low-lying zones.
Wave conditions in the upper Andaman Sea and upper Gulf of Thailand are moderately strong, with waves 2–3 meters high, rising above 3 meters in thunderstorm areas. Mariners are advised to navigate with caution and avoid thunderstorm zones. Small boats in the upper Andaman Sea and upper Gulf should remain ashore.
Regional forecasts for the 24-hour period from 6 a.m. today to 6 a.m. tomorrow:
Northern Region: Thunderstorms in 70 percent of areas with some heavy rainfall. Affected provinces include Mae Hong Son, Chiang Mai, Chiang Rai, Lampang, Phayao, Nan, Uttaradit, Tak, Phitsanulok, and Phetchabun. Low 22–27°C, high 32–34°C. Southwest winds 10–20 km/h.
Northeastern Region: Thunderstorms in 70 percent of areas with some heavy rainfall. Affected provinces include Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Yasothon, Mukdahan, Amnat Charoen, Nakhon Ratchasima, Sisaket, and Ubon Ratchathani. Low 24–25°C, high 29–33°C. Southwest winds 10–20 km/h.
Central Region: Thunderstorms in 40 percent of areas with some heavy rainfall in Lopburi, Saraburi, and Kanchanaburi. Low 24–26°C, high 32–36°C. Southwest winds 10–25 km/h.
Eastern Region: Thunderstorms in 70 percent of areas with some heavy rainfall in Nakhon Nayok, Prachuap Khiri Khan, Chanthaburi, and Trat. Low 24–26°C, high 31–33°C. Southwest winds 20–40 km/h. Sea waves 2–3 meters, exceeding 3 meters in thunderstorm areas.
Southern Region (East Coast): Thunderstorms in 30 percent of areas, mainly in Phetchaburi, Prachuap Khiri Khan, and Chumphon. Low 23–27°C, high 32–35°C. Southwest winds 20–35 km/h. Waves 1–2 meters offshore, exceeding 2 meters in thunderstorm zones.
Southern Region (West Coast): Thunderstorms in 30 percent of areas with some heavy rainfall in Ranong and Phang Nga. Low 24–27°C, high 30–34°C. From Phuket upward: southwest winds 20–40 km/h, waves 2–3 meters, exceeding 3 meters in thunderstorms. From Krabi downward: southwest winds 20–35 km/h, waves around 2 meters, exceeding 2 meters in thunderstorms.
Bangkok and Vicinity: Thunderstorms in 60 percent of areas. Low 26–27°C, high 32–33°C. Southwest winds 10–25 km/h.
