During 20-23 March, another high pressure system from China will extend to upper Thailand and collide with hot weather over the region. Outbreaks of thunderstorms will be forecast with the thundershowers, gusty winds and hails first in the Northeast and the East by 20 March. The North and the Central including Bangkok and its vicinity will be affected by these severe conditions by 21 March. People should keep off unsecured building and outdoor places, and farmers beware of crop damage.
The advisory is effect on 18 March 2018, at 11.00 a.m.
The next issue will be at 19 March 2018, at 5.00 a.m.
(Signed) Wanchai Sakudomchai
(Mr. Wanchai Sakudomchai)
Thai Meteorological Department
Article source: http://www.tmd.go.th/en/warningwindow.php?wID=6876