Weather Advisory
Subject: Storm
“WIPHA” and heavy to very heavy rain in Thailand
No.13 (199/2025)
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At
10.00 p.m. LST (22 July 2025), the tropical storm “WIPHA”
was over Nghe An, Vietnam or at latitude 18.9
degrees north and longitude 105.0 degrees east with maximum
sustained winds about 65 km./hr. This storm is moving southwest
with a speed of 20 km/hr., forecast to downgrade to the tropical depression and
the low-pressure cell, respectively. It is likely to move along the monsoon
through lying upper Laos and the upper North. Meanwhile the strong southwest
monsoon prevails across the Andaman Sea, Thailand and the Gulf.
The
effects of storm “WIPHA” are impacts of heavy to very heavy rain and
strong wind in the North, the upper Northeast, western Central and the East during
23-24 July 2025. People in the country should beware of
heavy to very heavy rain and accumulation that may cause flash floods and
overflows especially along the waterways near foothills and lowlands.
Affected areas are as followings
23
July 2025
North: Mae Hong Son, Chiang Mai, Chiang
Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Sukhothai, Tak, Kamphaeng
Phet, Phichit, Phitsanulok and Phetchabun.
Northeast: Nong Khai, Bueng Kan, Udon Thani, Sakon
Nakhon and Nakhon Phanom.
Central:
Nakhon
Sawan, Uthai Thani, Kanchanaburi and Ratchaburi.
East: Nakhon Nayok, Prachin Buri,
Chanthaburi and Trat.
South: Phetchaburi and Prachuap Khiri
Khan.
24
July 2025
North: Mae Hong Son, Chiang Mai, Chiang
Rai, Lamphun, Lampang, Phrae, Sukhothai, Tak and Kamphaeng Phet.
Northeast:
Nakhon Phanom, Mukdahan, Amnat
Charoen and Ubon Ratchathani.
Central:
Uthai
Thani and Kanchanaburi.
East: Nakhon
Nayok, Prachin Buri, Chanthaburi and Trat.
The rather strong wind forces the waves in the Andaman
Sea and the upper Gulf up to 2-4 meters high and above 4 meters high in
thundershowers. All ships in the Andaman Sea and the Gulf should proceed with
caution and keep off thundershowers, small boats in the Andaman Sea and the
upper Gulf should keep ashore during this period.
This
advisory is in effect on 22 July 2025, at 11.00 p.m.
This next issue will be on 23
July 2025, at 05.00 a.m.
(Signed) Sugunyanee Yavinchan
(Miss Sugunyanee Yavinchan)
Director-General
Thai Meteorological Department
