"Summer Thunderstorm "
No. 9 Time Issued April 5, 2018
The rather strong high pressure will shift down from central China to Laos and upper Vietnam by 5 April. It is expected to cover upper Thailand during 5-7 April while the westerly trough will cover the North. During 7-9 April, the easterly winds will affect more rain with isolated heavy downpours for the South.
During 5-6 April, outbreaks of summer storms, thunderbolt, gusty winds, hail and downpours are forecast for the North, the Northeast, the Central including Bangkok and its vicinity, and the East. By 7 April, continuous thundery rain remains for the western part of the North and Central, including Bangkok and its vicinity while the upper South gets more rain. A reduction of rainfall is also likely for the Northeast and the East.
People in upper country should stay safe from severe weather. Keep off unsecured building and outdoor and beware of crop damage. All ship in the South should proceed with caution as rough sea 2-3 meters high expected in both the Gulf and the Andaman.
Affected areas are as following:
5 April 2018
North: Lampang, Phayao, Phrae, Nan, Uttaradit, Phitsanulok, Phetchabun, Sukhot Thai, Phichit, Kamphaeng Phet and Tak.
Northeast: Loei, Nong Bua Lamphu, Udon Thani, Nong Khai, Bueng Kan, Mukdahan, Khon Kaen and Chaiyaphum.
East: Nakhon Nayok and Prachin Buri.
Central: Nakhon Sawan, Lop Buri and Saraburi.
6 April 2018
North: Mae Hong Son, Chiang Mai, Chiang Rai, Phayao, Phrae, Nan, Lamphun, Lampang, Tak, Sukhothai, Uttaradit, Phitsanulok, Kamphangphet, Phitchit, and Phetchabun.
Northeast: Loei, Nong Bua Lamphu, Nong Khai, Udon Thani, Bueng Kan, Sakon Nakhon, Nakhon Phanom, Mukdahan, Khon Kaen, Maha Sarakham, Kalasin, Roi Et, Chaiyaphum, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket, Yasothon, Amnat Charoen and Ubon Ratchathani.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chon Buri, Rayong, Chanthaburi and Trat.
Central: Nakhon Sawan, Lop Buri, Saraburi, Chai Nat, Sing Buri, Ang Thong, and Phra Nakhon Si Ayutthaya, including Bangkok and its vicinity.
7 April 2018
North: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Sukhothai, Kamphangphet and Tak. Uttaradit, Phitsanulok, Kamphaengphet, Phichit and Phetchabun.
East: Chon Buri, Rayong, Chanthaburi and Trat.
Central: Ratchaburi, Kanchanaburi, Uthai Thani, Suphan Buri, Samut Songkhram, Samut Sakhon including Bangkok and its vicinity.
South Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani and Nakhon Si Thammarat.
The advisory is effect on 5 April 2018, at 11.00 a.m.
The next issue will be at 5 April 2018, at 5.00 p.m.
(Signed) Wanchai Sakudomchai
(Mr. Wanchai Sakudomchai)
Thai Meteorological Department