7-day Forecast
For period of May 25, 2009 - May 31, 2009
Weather Forecast During May 25-26, intense southwesterly winds prevail over the Andaman Sea and Thailand and monsoon trough lies over the Central, east and lower Northeast Thailand. Abundant rain and isolated heavy rain are likely in the areas and strong wind-wave in the Andaman Sea. After that May 27-31, the low pressure trough will over the northern and northeastern while moderate monsoon trough over the Andaman, Thailand and Gulf’s. Increasing in rainfall and isolated heavy rain are likely in the North and Northeast while decreasing rain in the South.
An active lower pressure cell in the middle Bengal’s bay has upgraded to tropical cyclone and will move to upper India or Bangladesh during May 25-26, 2009.
Warning During May 27-31, people in the risky areas over the North and Northeast should beware of heavy rain and flooding conditions. All ship in the Andaman Sea should proceed with caution.
Northern Part During May 25-26, scattered thundershowers and isolated heavy rain mainly in the western portion mostly in the afternoon till evening. Maximum temperature 35-38 oC. Southwesterly wind 10-30 km./hr. After that May 27-31, fairly widespread thundershowers with isolated heavy rain.
Northeastern Part During May 25-26, scattered thundershowers and isolated heavy rain mainly in the lower portion. Maximum temperature 33-35oC. After that May 27-31, scattered to fairly widespread thundershower and isolated heavy rain mainly in the upper portion. Southeasterly winds 15-30 km/hr.
Central Part During May 25-26, scattered thundershowers and isolated heavy rain mainly in the western portion. After that May 27-31, scattered thundershowers. Maximum temperature 33-35 oC. Southwesterly wind 15-30 km/hr.
Eastern Part During May 25-26, scattered to fairly widespread thundershowers and isolated heavy rain. Maximum temperature 32-35 oC. After that May 27-31.scattered thundershower. Southwesterly winds 15-35 km/hr. Wave height 1-2 meters and above 2 meters in thundershower areas
Southern Part (East Coast) During May 25-26, scattered thundershowers mainly in the upper portion. Maximum temperature 32-34 oC. Southwesterly wind 15-35 km/hr. Wave height about 1 meter and 1-2 meters off-shore. After that May 27-31, widely scattered to scattered thundershowers.
Southern Part (West Coast) During May 25-26, scattered thundershowers. Maximum temperature 30-34 oC. Southwesterly winds 20-35 km/hr. Wave height about 2 meters. After that May 27-31, widely scattered to scattered thundershowers. Southwesterly winds 20-40 km/hr. Wave height 2-3 meters.
Metropolitan During May 25-26, scattered to fairly widespread thundershowers and isolated heavy rain. After that May 27-31, scattered thundershowers. Maximum temperature 33-35 oC. Southwesterly wind 15-35 km/hr.
Thai Meteorological department (02) 398-9874