Weekly Weather Summary
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June 15, 2018 - June 21, 2018Max. Rainfall AmountMax. Temperature
Thailand
The monsoon trough lay across the northern and upper northeastern parts during the first half of the period and lay towards to the low pressure cell in the Gulf of Tonkin on 16 and 17 June. It moved northward to lie over Myanmar, Laos and upper Vietnam on 18 June. In addition, the southwest monsoon which prevailed over the Andaman Sea, Thailand and the Gulf of Thailand was active almost the whole period. These conditions caused rainfall over Thailand throughout the period with heavy rainfall in some areas nearly the whole period and very heavy rainfall in some areas during the first half of the period.    
Northern Part
Scattered to fairly widespread rain throughout the period with heavy rainfall in some areas during the middle and late of the period. 73.8 mm at Thung Chang Nan on 18 June.   
Northeastern Part
Scattered to fairly widespread rain with heavy to very heavy rainfall in some areas. 110.0 mm at Mueang Ubon Ratchathani on 16 June.   
Central Part
Scattered to fairly widespread rain with heavy to very heavy rainfall in some areas except for isolated rain on 19 and 20 June. 186.2 mm at Sangkhla Buri Kanchanaburi on 16 June.   
Eastern Part
Scattered to fairly widespread rain nearly the whole period with heavy to very heavy rainfall in some areas. 100.6 mm at Mueang Sa Kaeo on 16 June.   
Southern Part (East Coast)
Fairly widespread to widespread rain with heavy to very heavy rainfall in some areas except for scattered rain with heavy rainfall in some areas on 15 and 21 June. Flash flood occurred at Surat Thani province on 17 June. Gusty wind occurred at Prachuap Khiri Khan province on 16 June and at Phattalung, Nakhon Si Thammarat, Songkhla and Narathiwat provinces on 17 June. 125.2 mm at Phato Chumphon on 17 June.   
Southern Part (West Coast)
Fairly widespread to widespread rain nearly the whole period with heavy rainfall in several areas and very heavy rainfall in some areas. Flash flood occurred at Ranong province on 17 June. Gusty wind occurred Ranong, Phang-nga, Phuket and Satun provinces on 17 June. and at Trang province on 16 and 17 June. and at Krabi province on 17 and 18 June. 125.0 mm at Mueang Ranong on 17 June.   
Metropolitan
Fairly widespread to widespread rain with heavy rainfall in some areas on 15, 16 and 18 Jun. Isolated rain for the rest days. 73.8 mm at Wat Dan School Khet Yan Nawa on 18 June. (44.7 mm at Bang Phli Samut Prakan on 18 June.)    
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date June 22, 2018