Weekly Weather Summary
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June 11, 2018 - June 17, 2018Max. Rainfall AmountMax. Temperature
Thailand
The southwest monsoon which prevailed over the Andaman Sea, Thailand and the Gulf of Thailand was strengthened nearly the whole week. In addition, the monsoon trough lay across upper northern and upper northeastern parts to the low pressure cell in the Gulf of Tonkin during weekend. These conditions caused rainfall over upper Thailand throughout the week while abundant rainfall was observed in southern part mainly during the second half of the week.    
Northern Part
Fairly widespread to widespread rain with heavy rainfall in some areas during early and middle week then scattered rain. 53.0 mm at Omkoi Chiang Mai on 12 June. 
Northeastern Part
Widespread rain with heavy rainfall in some areas on the first day of the week then isolated to scattered 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 nearly the whole week with heavy rainfall in some areas. 87.6 mm at Banhauymalai School, Sangkhla Buri Kanchanaburi on 11 June. 
Eastern Part
Widespread rain with heavy rainfall in some areas on the first day of the week then scattered to fairly widespread rain with heavy to very heavy rainfall in some areas. 100.6 mm at Mueang Sa Kaeo on 16 June. 
Southern Part (East Coast)
Isolated to scattered rain with heavy rainfall in some areas during early and middle week then widespread rain with heavy to very heavy rainfall in some areas. Flash flood occurred at Surat Thani province on 17 Jun. Gusty wind at Prachuap Kriri Khan province on 16 June and at Pattalung province on 17 June. 125.2 mm at Phato Chumphon on 17 June. 
Southern Part (West Coast)
Isolated to scattered during the first half of the week then fairly widespread to widespread with heavy rainfall in several areas and very heavy rainfall in some areas. Flash flood occurred at Ranong province on 17 June. Gusty wind at Trang province on 16 June and at Phang-Nga province on 17 June. 125.0 mm at Mueang Ranong on 17 June. 
Metropolitan
Isolated to scattered rain with heavy rainfall in some areas except for fairly widespread to widespread rain with heavy rainfall in some areas during 14-16 Jun. 58.4 mm at Wat Ratchakosa School Khet Lat Krabang on 11 June. (43.4 mm at Samut Prakan Agromet Stn. Bang Phli Samut Prakan on 16 June.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date June 18, 2018