Heavy rain forecast in Thailand with potential flooding risks

The Thai Meteorological Department (TMD) forecasted heavy rain for the next 10 days, cautioning that a fairly strong monsoon will hit from September 13 to September 20. The TMD identified areas likely to experience severe rainfall, flooding, and forest water overflow.

TMD updated its daily accumulated rain forecast, which is recorded every 24 hours from 7am to 7am the next day. The forecast, covering today to September 20, is based on data from the European Centre for Medium-Range Weather Forecasts (ECMWF). The forecast uses a colour-coded system where red indicates heavy rain and green signifies light rain.

Low atmospheric pressure previously covering the upper northern region moved towards Myanmar today to tomorrow. However, the monsoon trough has returned to the upper part of Thailand, accompanied by moderately strong southwesterly monsoon winds.

Rainfall will continue in the western part of the northern region, near the areas previously affected by low pressure (Tak, Mae Hong Son, Chiang Mai). The rain is expected to decrease over the next one or two days, with the sky clearing and some sunshine. Despite the improved weather, the water levels in the northern river basins require continuous monitoring and caution.

In the northeastern, central, eastern, and southern regions of Thailand, particularly in monsoon-prone areas such as Ranong, Phang Nga, Phuket, Chanthaburi, and Trat, rain will remain widespread. Some areas will experience heavy rainfall, which could lead to flash floods and forest water overflow, especially in the northern region.

Road users should exercise caution due to slippery roads and increased accident risks. Additionally, the sea will have moderate waves, so sailors and fishermen should navigate carefully. Staying updated with forecasts from TMD is essential.

Heavy rain

From September 13 to September 20, the rainfall situation across Thailand will intensify, with heavy rain expected in some areas. The monsoon trough, strengthened by the fairly strong southwest monsoon winds, will shift to cover the northeastern, central (including Bangkok and its vicinity), eastern, and southern regions.

This weather pattern will result in increased rainfall and potentially heavy to very heavy rain in certain locations, reported KhaoSod.

TMD has advised heightened vigilance, particularly for residents in Bangkok and surrounding areas. Along with heavy rain, high sea levels could exacerbate flooding, leading to water stagnation and drainage issues.

This information serves as a guideline for tracking weather conditions, but it is imperative to also follow updates from other meteorological data sources, as forecasts may change based on new information.