7-day Forecast
For period of Dec 11, 2009 - Dec 17, 2009
Weather Forecast During 11-13 Dec, the high pressure system over the upper Thailand will be weakened. 2-4 oC rises and increasing in thick patch are likely in the areas. But still cold weather is likely in the North and Northeast. The northeast monsoon prevails over the Gulf and southern Thailand has weakened. Decreasing in rain is likely in the South. Wind and wave in this area are weakening.
Another rather intense high pressure system from China will extend its ridge covering the upper Thailand on 14 Dec. Decreasing in temperature is expected in the Northeastern first and other later. The northeast monsoon will strength and prevails over the Gulf and southern Thailand after 15 Dec., 2009.
Warning During 11-13 Dec, all forms of transport should beware of visibility.
Northern Part The upper portion: cold, minimum temperature 12-15oC. The lower portion: cool, minimum temperature 17-20 oC. Cold to very cold on mountaintops, minimum temperature 5-12oC. Morning fog and thick patches in some places especially during 11-13 Dec. Northeasterly winds 10-20 km/hr.
Northeastern Part During 11-13 Dec, the upper portion: cold, 1-2 oC drop. Minimum temperature 13-15 oC. The lower portion: Cool, minimum temperature 16-21oC. Cold to very cold on mountaintops, minimum temperature 7-12 oC. Morning fog and thick patches in some places. Northeasterly winds 10-30 km/hr.
During 14-17 Dec, 2-4 oC drop and decreasing in fog.
Central Part During 11-14 Dec, cool with 1-2 oC rises. Morning fog and thick patches in some places. Minimum temperature 18-23 oC. Cold in the mountaintops area, minimum temperature
14-15 oC. Northeasterly winds 10-25 km/hr.
After that, 1-2 oC drop and decreasing in fog.
Eastern Part During 11-14 Dec, cool with 1-2 oC rises. Morning fog and thick patches in some places. Minimum temperature 18-23 oC. Cold in the mountaintops area, minimum temperature
14-15 oC. Northeasterly winds 10-30 km/hr. Wave height below 1 meter.
After that, 1-3 oC drop and decreasing in fog.
Southern Part (East Coast) The upper portion: Cool with morning light fog, minimum temperature 21-23 oC.
During 11-14 Dec, the lower portion: isolated to widely scattered thundershowers.
After that, the lower portion: scattered thundershowers and isolated heavy rain. Northeasterly winds 15-35 km./hr. Wave height 1-2 meters.
Southern Part (West Coast) During 11-14 Dec, isolated to widely scattered thundershowers mostly in the lower part. After that, widely scattered thundershowers mostly in the lower part.
Easterly winds 15-30 km./hr. Wave height about 1 meters.
Metropolitan During 11-14 Dec, cool with 1-2 oC rises. Morning fog and thick patches in some places. Minimum temperature 22-23 oC. Northeasterly winds 15-30 km/hr.
After that, 1-2 oC drop and decreasing in fog.
Thai Meteorological department (02) 398-9874