Weekly Weather Summary
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October 23, 2020 - October 29, 2020Max. Rainfall AmountMax. Temperature
Thailand
The high pressure area from China extended its ridge to cover upper Thailand almost period. This caused decreasing in temperature over upper Thailand with cool weather in the morning especially in the northern and northeastern parts. Besides, the influence of the typhoon “SAUDEL (2017)” in the middle South China Sea making landfall over Vietnam as tropical depression strength in the morning of 26 Oct. and moved to Laos and dissipated in afternoon of the same day. Accompanied with the typhoon “MOLAVE (2018)” which hit over Quang Ngai, Vietnam at 10.00 a.m. on 28 Oct. and downgraded into tropical storm over Quang Nam, Vietnam in the evening then it moved through Laos and downgraded into tropical depression before entering Thailand at Ubon Ratchathani province at 02.00 a.m. on 29 Oct. and later degenerated into the active low pressure cell covering northeastern part. These conditions caused increasing of rainfall in upper Thailand mainly northeastern part during the middle and the end of the period. For southern part, the monsoon trough lay across the middle of the southern part and the southwest monsoon prevailed over the Andaman Sea, southern part and the Gulf of Thailand was active during the second half of the period causing abundant rainfall over the southern part almost the period.    
Northern Part
Cool weather almost the whole areas almost the period with cold weather in some areas in upper portion. Cold to very cold weather in mountainous areas and mountain tops. Isolated to scattered rain except for widespread rain on the last day of the period with heavy rainfall in some areas mainly during the second half of the period. 46.8 mm at Mae-Jang Forest Plantation Chiang Mai on 26 Oct.  15.9 º C at Thung Chang Nan on 24 Oct. (7.5 º C at Kew Mae Pan, Doi Inthanon Chiang Mai on 26 Oct.  
Northeastern Part
Generally cool weather throughout the period with cold weather in some areas in upper portion during early period. Cold weather in mountainous areas and mountain tops. Fairly widespread rain with heavy rainfall in several areas and very heavy rainfall in some areas on 25, 26, 28 and 29 Oct. Light rain in some areas for the rest days. Flooding continued from last period at Nakhon Ratchasima province. Gusty wind occurred at Ubon Ratchathani province on 29 Oct. 108.5 mm at Na Chaluai Ubon Ratchathani on 28 Oct.  14.5 º C at Nakhon Phanom Agromet Stn. Nakhon Phanom on 24 Oct. (10.0 º C at Phu Kradueng National Park Loei on 25,27 Oct.)  
Central Part
Cool weather in many areas during the first half of the period. Isolated to scattered rain except for widespread rain on the last day of the period and heavy rainfall in some areas during the middle and the end of the period. Flooding continued from last period at Suphan Buri province. 60.0 mm at Sap Langka National Forest Lop Buri on 28 Oct.  18.8 º C at Chai Badan Lop Buri on 25 Oct. 
Eastern Part
Cool weather in many areas during the first half of the period. Isolated to scattered rain except for widespread rain with heavy to very heavy rainfall in some areas on the last day of the period. Flooding continued from last period at Prachin Buri province. 92.6 mm at Khlong Yai Trat on 27 Oct.  19.2 º C at Sanam Chai Khet Chachoengsao on 25 Oct. 
Southern Part (East Coast)
Scattered to fairly widespread rain with heavy to very heavy rainfall in some areas. Flooding continued from last period at Surat Thani province. Gusty wind occurred at Chumphon province on 28 Oct. 97.0 mm at Ban Na San Surat Thani on 24 Oct.  21.0 º C at Nong Phlub Agromet Stn. Prachaup Khiri Kan on 25 Oct. 
Southern Part (West Coast)
Fairly widespread to widespread rain with heavy to very heavy rainfall in some areas. 96.5 mm at Suk Samran Ranong on 27 Oct.  21.9 º C at Phuket Airport Phuket on 24 Oct. 
Metropolitan
Isolated light rain in some areas except for widespread rain on the last day of the period. Flooding continued from last period at Nakhon Pathom province. 7.2 mm at Bangkok Port Khet Khlong Toei on 29 Oct. (20.5 mm at Kamphaeng Saen Nakhon Pathom on 29 Oct.)   23.0 º C at Bangna Agromet Stn. Khet Bangna on 25 Oct. (21.0 º C at Kamphaeng Saen Nakhon Pathom on 25 Oct.  
Weekly total Rainfall and Weekly mean minimum temperature Map
Issued Date October 30, 2020