Weekly Weather Summary
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October 1, 2018 - October 7, 2018Max. Rainfall AmountMax. Temperature
Thailand
The high pressure area from China extended to cover northern, northeastern parts and South China Sea during the early of the week then it extended to cover upper Thailand and respectively weaken. Moreover, the monsoon trough which lay across central, eastern and upper southern parts on 2 Oct. shifted southward to lie across southern part toward the low pressure cell in the lower Gulf of Thailand during the middle of the week and toward the low pressure cell in lower South China Sea during the weekend. In addition, the easterly wind prevailed over Thailand on the first day and during the weekend. These conditions caused decreased in rainfall over northeastern part while thundershower, gust and heavy to very heavy rainfall was observed in some areas over northern part during the early of the week then decreased in rainfall. In central, eastern, and southern parts, rainfall was observed throughout the week with heavy to very heavy rainfall in some areas mainly in eastern and southern parts.    
Northern Part
Scattered to fairly widespread rain with heavy to very heavy rainfall in some areas during the early of the week then isolated rain with heavy rainfall in some areas. Flood occurred at Phayao province on 2 Oct. at Lampang province on 3 Oct. 129.5 mm at Mueang Phayao on 2 Oct. 
Northeastern Part
Isolated rain throughout the week with heavy rainfall in some areas on the first day of the week. 50.2 mm at Dan Sai Loei on 1 Oct. 
Central Part
Scattered to fairly widespread rain with heavy rainfall in some areas except for isolated rain on 3 Oct. 65.5 mm at Si Sawat Kanchanaburi on 2 Oct. 
Eastern Part
Scattered to fairly widespread rain with heavy to very heavy rainfall in some areas. 119.7 mm at Mueang Rayong on 5 Oct. 
Southern Part (East Coast)
Fairly widespread rain with heavy to very heavy rainfall in some areas almost the whole week. Flood occurred at Surat Thani province on 2 Oct. at Prachuap Khiri Khan province on 4 and 5 Oct. 128.5 mm at Sukhirin Narathiwat on 5 Oct. 
Southern Part (West Coast)
Scattered rain with heavy rainfall in some areas during the early of the week then fairly widespread rain with heavy to very heavy rainfall in some areas. Flood occurred at Phuket province on 2 Oct. at Krabi province on 3 Oct. 121.1 mm at Mueang Ranong on 6 Oct. 
Metropolitan
Fairly widespread rain with heavy rainfall in some areas except for isolated to scattered rain on 3 and 7 Oct. 73.2 mm at Klong Kum School Khet Bueng Kum on 1 Oct. (47.4 mm at Sai Noi Nonthaburi on 2 Oct.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date October 8, 2018