Weekly Weather Summary
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September 16, 2016 - September 22, 2016Max. Rainfall AmountMax. Temperature
Thailand
The monsoon through lay across the northern, central and upper northeastern parts during the first half of the period after that it moved southwards to lie over lower central, eastern and lower northeastern parts. In addition, the rather active southwest monsoon prevailed over the Andaman Sea, southern part and the Gulf of Thailand throughout the period. These conditions caused abundant rainfall over upper Thailand especially during the second half of the period while rainfall was observed in southern part mainly along the west coast.    
Northern Part
Fairly widespread to widespread rain with heavy rainfall in several areas and very heavy rainfall in some areas except for isolated to scattered rain with heavy rainfall in some areas on 16, 17 and 22 Sep. Flash floods occurred at Chiang Mai, Mae Hong Son, Phayao and Phrae provinces on 18 Sep., at Tak province on 19 Sep., at Phetchabun province on 21 Sep and at Kamphaeng Phet province on 21-22 Sep. 146.5 mm at Ban Dan Lan Hoi Sukhothai on 19 Sep.  37.0 º C at Thoen Lampang on 17 Sep. 
Northeastern Part
Fairly widespread to widespread rain with heavy to very heavy rainfall in some areas except for isolated rain on 16 Sep. Flood occurred at Chaiyaphum province on 21 Sep. 180.0 mm at Chattarut Chaiyaphum on 20 Sep.  35.0 º C at Kosum Phisai Maha Sarakham on 17 Sep. Tha Pra Agromet. Khonkaen on 17 Sep.  
Central Part
Fairly widespread to widespread rain with heavy to very heavy rainfall in some areas except for isolated rain on 16 and 18 Sep. Flash flood occurred at Kanchanaburi province on 22 Sep. The river overflowed its bank at Phra Nakhon Si Ayutthya province on 22 Sep. 117.3 mm at Nong Bua Nakhon Sawan on 20 Sep.  36.6 º C at Mueang Kanchanaburi on 16 Sep. 
Eastern Part
Fairly widespread to widespread rain nearly the whole period with heavy to very heavy rainfall in some areas mainly along the coastal areas. Flash flood occurred at Rayong province on 20 Sep. 229.5 mm at Khlong Yai Trat on 16 Sep.  35.1 º C at Aranyaprathet Sa Kaeo on 17 Sep. 
Southern Part (East Coast)
Isolated to scattered rain during the first half of the period after that fairly widespread to widespread rain with heavy rainfall in some areas. 86.4 mm at Mai Kaen Pattani on 21 Sep.  36.0 º C at Mueang Phrachuap Khiri Khan on 18 Sep. 
Southern Part (West Coast)
Fairly widespread to widespread rain throughout the period with heavy rainfall in some areas mainly during the second half of the period. Flash flood occurred at Phang-nga province on 21-22 Sep. 120.1 mm at Takua Pa Phang-nga on 21 Sep.  33.6 º C at Trang Airport Trang on 18 Sep. 
Metropolitan
Widespread rain nearly the whole period with heavy to very heavy rainfall in some areas. 132.2 mm at Thung Setthi Village Khet Prawet on 20 Sep. (90.0 mm at Sai Noi Nonthaburi on 19 Sep.)   35.3 º C at Bangkok Metropolis. Khet Klong Toei on 19 Sep. (36.5 º C at Khlong Luang Pathum Thani on 19 Sep.)  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date September 23, 2016