7-day Forecast For period of Sep 17, 2008 - Sep 23, 2008 Weather Forecast During 17-20 September, an active trough of low pressure lies across the lower North, upper central and the Northeast while the nearly strong southwest monsoon over the Andaman Sea, southern Thailand and the Gulf. These cause abundant rain and heavy to very heavy rains in many places. Wave height about 2 meters in the Andaman Sea and the Gulf. During 21-23 September, a trough of low pressure over the areas and the monsoon will be weakening. Decreasing rain is expected in upper Thailand.Warning During 17-20 September, people in the risky areas should beware of flooding conditions. These areas such as Uttaradit, Tak, Sukhothai, Phitsanulok, Phetchabun, Loei, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Mukdahan, Chaiyaphum, Khon Kaen, Maha Sarakham, Kalasin, Nakhon Ratchasima, Surin, Ubon Ratchathani, Nakhon Nayok, Prachinburi, Chachoengsao, Sa Kaeo, Chon Buri, Rayong, Chantha Buri, Trat, Lop Buri and Saraburi provinces while all ships should proceed with caution this period. Northern Part Scattered to fairly widespread thundershowers throughout of the period. Isolated heavy rain mostly during 17-20 September. Variable wind 10-25 km/hr. Northeastern Part During 17-20 September, fairly widespread thundershowers and heavy to very heavy rain in many places. During 21-23 September, scattered to fairly widespread thundershowers with isolated heavy rain mostly in the eastern part. Variable wind 10-30 km/hr. Central Part During 17-20 September, scattered to fairly widespread thundershowers and isolated heavy rain. During 21-23 September, scattered thundershowers. Southwesterly winds 15-30 km/hr. Eastern Part During 16-20 September, fairly widespread thundershowers with heavy to very heavy rain in many places. southwesterly winds 20-35 km/hr. Wave height about 2 meters. During 21-23 September, scattered thundershowers and isolated heavy rain. Southwesterly winds 15-35 km/hr. Wave height 1-2 meters. Southern Part (East Coast) Widely scattered to scattered thundershower throughout of the period. During 17-20 September, southwesterly winds 20-35 km/hr. Wave height 1-2 meters and about 2 meters off-shore. During 21-23 September, southwesterly winds 15-35 km/hr. Wave height about 1 meter and 1-2 meters off-shore. Southern Part (West Coast) Widely scattered to scattered thundershower throughout of the period. During 17-20 September, Southwesterly winds 20-35 km/hr. Wave height about 2 meters. During 21-23 September, Southwesterly winds 15-35 km/hr. Wave height 1-2 meters. Metropolitan Fairly widespread thundershowers throughout of the period. Isolated heavy rain mostly during 16-20 September. Southwesterly winds 15-30 km/hr. Thai Meteorological department (02) 398-9874