Thailand, renowned for its tropical climate, is gearing up for an unusual meteorological event this December. The country is set to experience a cooler weather spell, with temperatures expected to dip by 1 to 3 degrees Celsius. This unexpected phenomenon is attributed to a powerful high-pressure front making its way from China, creating a fascinating twist in Thailand’s weather narrative.
The Meteorological Phenomenon
Understanding High-Pressure Fronts
High-pressure fronts, often associated with changes in weather patterns, are playing a pivotal role in this meteorological shift. As the high-pressure front from China sweeps in, it brings about a cascade of atmospheric changes, setting the stage for a cooler climate in Thailand.
Cold Wave: A Temperature Tumble
The Meteorological Department predicts a significant drop in temperatures across various regions of Thailand. The Northeast is anticipated to experience a temperature plunge of 5-8 degrees Celsius, while the North, Central Thailand (including Bangkok), and the East will witness drops ranging from 2 to 6 degrees Celsius. In the upper southern region, a milder winter is expected, with temperatures decreasing by 2-4 degrees Celsius.
Regional Impact on Thailand
Northeast: Bracing for the Chill
As the cold wave sweeps through the Northeast, residents are gearing up for a chilly period. Temperature drops of 5-8 degrees Celsius will mark a noticeable change in the region’s climate.
In the North, a slide in temperatures is expected, offering residents a taste of cooler weather than the usual tropical conditions.
Central and East: Cooling Trends
Central Thailand and the East will experience cooling trends, with temperatures expected to decrease by 3-5 degrees Celsius. Bangkok, too, will be a part of this cooling phenomenon.
Upper Southern Region: Mild Winter Spells
The upper southern region will witness a milder winter, with temperatures dipping by 2-4 degrees Celsius. This region’s experience will be distinct from the more significant temperature drops in the North and Northeast.
Weather Warnings and Implications
Sudden Flash Floods (H7)
The Meteorological Department raises concerns about the potential for sudden and dangerous flash floods, particularly in hillside areas. The combination of the cold wave and a strong low-pressure area in the South China Sea heightens the risk of flash floods.
Hillside Areas: A Potential Danger Zone (H8)
Residents in hillside areas are urged to be cautious as the meteorological conditions increase the likelihood of flash floods. Precautionary measures are advised to mitigate potential dangers.
Safety Measures for Small Boat Operators (H9)
With strong waves forecast for the Gulf of Thailand, small boat operators are strongly advised to exercise caution. Waves between 2 and 4 meters high are expected across the Gulf, with even higher waves exceeding 4 meters in areas experiencing thunderstorms.
South China Sea Dynamics
Low-Pressure Area’s Journey (H10)
A strong low-pressure area in the lower South China Sea is predicted to move across the lower Gulf of Thailand and Malaysia, eventually reaching the lower Andaman Sea. This journey is expected to bring heavy to very heavy rain to many areas in the lower southern region.
Rainfall Predictions (H11)
The Meteorological Department provides insights into the expected rainfall patterns, highlighting the possibility of heavy to very heavy rain in the lower southern region. Residents are advised to prepare for potential disruptions due to these weather dynamics.