Storm “KAJIKI” and heavy to very heavy rain in Thailand No.8 (211/2025)

Weather Advisory

Subject: Storm “KAJIKI”

and heavy to very heavy rain in Thailand

No.8 (211/2025)

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            At 07.00 a.m. LST (24 August 2025), severe tropical storm “KAJIKI” over the upper South China Sea was intensified to typhoon. And at 10.00 a.m. LST, it was centered about 550 kilometers east of Vinh, Vietnam or at latitude 17.3 degrees north and longitude 110.7 degrees east with maximum sustained winds about 140 km./hr. This storm is moving west-northwest with a speed of 20 km/hr. The storm is forecast to make landfall over upper Vietnam and will downgrade to tropical storm by tomorrow (25 August). And it is forecast to move to upper Laos and will downgrade to tropical depression by morning 26 August. This storm likely to downgrade to an active low-pressure cell over Nan, Thailand by afternoon 26 August. During 24 – 26 August, isolated heavy to very heavy rain with strong winds are likely in the upper Northeast first then the North during 25 – 27 August especially along the tropical storm track. People in the country should beware of heavy to very heavy rain, strong wind and accumulation that may cause flash floods and overflows especially along the waterways near foothills and lowlands.

Affected areas are as followings

On 24 August 2025

Northeast:          Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Chaiyaphum, Kalasin, Mukdahan, Nakhon Ratchasima, and Ubon Ratchathani.

Central:             Suphan Buri, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, and Samut Songkhram, including Bangkok and its vicinity.

East:                  Nakhon Nayok, Prachin Buri, Chanthaburi, and Trat.

South:               Chumphon, Surat Thani, Ranong, Phang Nga, and Phuket.

On 25 August 2025

North:               Chiang Rai, Lampang, Phayao, Nan, Phrae, Uttaradit, Phitsanulok, and Phetchabun.

Northeast:          Loei, Nong Khai, Bueng Kan, Nong Bua Lam Phu, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Nakhon Ratchasima, and Ubon Ratchathani.
Central:             Kanchanaburi, Ratchaburi, Samut Songkhram, Samut Sakhon, Nakhon Pathom, including Bangkok and its vicinity.
                           East:                  Nakhon Nayok, Prachin Buri, Sa Kaeo, Chanthaburi, and Trat.

South:               Phetchaburi, Prachuap Khiri Khan, Chumphon, Ranong, Phang Nga, Phuket, and Krabi.
                                                                                                                                   

During 26 - 27 August 2025

North:               Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Sukhothai, Tak, Kamphaeng Phet, Phichit, Phitsanulok, and Phetchabun.
Northeast:          Loei, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Khon Kaen, Kalasin, Mukdahan, Yasothon, Amnat Charoen, and Ubon Ratchathani.
Central:             Nakhon Sawan, Uthai Thani, Chai Nat, Kanchanaburi, Ratchaburi, including Bangkok
                        and its vicinity.
East:                  Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, ChonBuri, Rayong, Chanthaburi,
                        and Trat.
South:               Phetchaburi, Prachuap Khiri Khan, Chumphon, Ranong, Phang Nga, and Phuket.

The rather strong wind forces the waves in the upper Andaman Sea and the upper Gulf up to2-3 meters high and above 3 meters high in thundershowers. All ships in the Andaman Sea shouldproceed with caution. Small boats in the upper Andaman Sea and the upper Gulf should keep ashore.

This advisory is in effect on 24 August 2025, at 11.00 a.m.

This next issue will be on 24 August 2025, at 5.00 p.m.

            (Signed)  Sugunyanee Yavinchan

              (Miss Sugunyanee Yavinchan)

               Director-General

                     Thai Meteorological Department