Opening the Way for the Monsoon: Rain and Cold Expected in Thailand
October 8, 2023
The Meteorological Department has released its daily accumulated rain forecast for the next 10 days, from October 8th to October 17th, 2023. According to the latest update from the European Center for Medium-Range Weather Forecasts (ECMWF) on October 7th, 2023, the monsoon trough is set to make its way across the northern, northeastern, and upper central regions. This will result in continuous rainfall in upper Thailand, with heavy rain expected in certain areas of the northern and upper northeastern regions. Additionally, a northerly wind will blow, accompanied by a cold northeasterly wind from the descending cold air mass. This marks the final phase of rain in upper Thailand and the transition from the rainy season to winter. However, due to the unpredictable weather patterns, caution is advised as heavy rain may still occur.
Between October 10th and 17th, 2023, a cold air mass in the form of high pressure will begin to descend, covering the northern and upper northeast regions of Thailand. As a result, colder temperatures can be expected in the mornings, with a shift in wind direction to a north-easterly flow. The monsoon trough will move southward, affecting the lower central, lower northeastern, upper eastern, and southern regions of the country. While rain is still possible along the monsoon trough, areas need to remain vigilant for heavy rain occurrences.
Regarding the tropical cyclone situation in the upper South China Sea, Typhoon KOINU is not projected to dissipate easily. However, it is anticipated to move westward along the southern coast of China on October 8th and 9th, 2023. Once it comes into contact with the cold air mass, it is expected to weaken. Fortunately, this storm will not have any impact on Thailand.
The current rain is influenced by the monsoon trough and the low-pressure area covering it. In the Pacific Ocean, Tropical Storm Bolaven (BOLAVEN) has formed and is projected to intensify further. Nevertheless, its distance from Thailand means it will not affect the country.
On the eastern side of the Philippines, there is a low-pressure area that is likely to move towards the South China Sea between October 12th and 15th, 2023. However, this is occurring during the same period when the cold air mass is spreading across upper Thailand, mitigating any impact on the country. Monitoring of the situation is still necessary.
Please note that the information provided is subject to change based on new data. Additionally, it is important to consider the influence of the El Niño phenomenon, which can bring fluctuations in rainfall and storm patterns when making weather-related decisions.
Compiled by a News Corner
Opening the way for the monsoon to reach Thailand Meet rain and cold. Prepare to deal with it.
October 8, 2023 Meteorological Department Daily accumulated rain forecast (every 24 hours (from 7:00 am to 7:00 am the next day) 10 days in advance between 8 – 17 October 2023. Update 2023100712 from the European Center for Medium-Range Weather Forecasts (ECMWF).
During 8 -9 October 2023, the monsoon trough will turn up across the northern, northeastern and upper central regions, causing continuous rain in upper Thailand. and heavy rain in some places in the northern region, upper northeastern region There is a northerly wind. A north-easterly (cold wind) blows from the cold air mass that spreads downwards. This is the last period of rain that will occur in upper Thailand. The end of the rainy season, the beginning of winter The weather is very variable. Still watching out for heavy rain.
Between 10 -17 October 2023, a cold air mass (high pressure) has started to spread down to cover the top of Thailand. causing cold air in the morning the wind direction began to change to a north-easterly wind. covering the northern region Upper Northeast Region The monsoon trough moves down across the lower central region. Lower Northeast Region Upper eastern and southern regions Rain may still occur along the monsoon trough. Still need to watch and follow heavy rain in some areas.
For the tropical cyclone situation in the upper South China Sea: Typhoon KOINU is not easily dispersed. It is likely to move west along the southern coast of China on 8-9 October 2023, but when it collides with the cold air mass, it will weaken accordingly. This storm will have no impact on Thailand.
The rain comes from the monsoon trough and the low pressure area that currently covers it.
And in the Pacific Ocean, Tropical Storm Bolaven (BOLAVEN) has formed and is expected to become even stronger. But it is very far from Thailand. So there is no effect.
The low pressure area on the eastern side of the Philippines It is likely to move to the South China Sea during 12 -15 October 2023, but it formed during a period when a cold air mass was already spreading to cover upper Thailand. So there is no impact on Thailand. There is still a need to follow up from time to time.
(This information may change based on new data imported. Under the conditions of the year that the El Niño phenomenon occurred which causes rain and storms to change use for decision making)
Compiled by a news corner
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