Warning "Heavy Rain and Flooding" No. 31(347/2551) Time Issued : September 18, 2008 A trough of active low pressure lies across the northern and northeastern Thailand. Abundant rain is likely over upper Thailand with heavy to very heavy rain in many areas. People in the lowland and foothill of the areas such as Chiang Rai, Phayao, Nan, Lampang, Phrae, Uttaradit, Phetchabun, Phitsanulok, Sukhothai, Sukhothai, Phichit, Loei, Nong Bua Lamphu, Nong Khai, Udon Thani, Khon Kaen, Chaiyaphum, Nakhon Ratchasima, Buri Rum, Surin, Nakhon Sawan, Saraburi, Lop Buri, Prachin Buri, Sa Kaeo, Chanthaburi and Trat should beware of flooding conditions during a few days. Thai Meteorological department (02) 398-9874