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Floods

Heavy Rain and Flash Floods Warnings Issued in Thailand

Strategic Insights

— 2 min read

The Meteorological Department in Thailand has warned of heavy to very heavy rain that may cause flash floods, mudslides, and landslides, especially in hillsides near waterways and lowlands. The rain is expected to be severe over the next 24 hours, with the monsoon trough passing through the lower northern, upper central, lower northeastern, and eastern regions. The department has advised people in affected areas to exercise caution and avoid traveling through areas with thunderstorms.

The warning is particularly relevant for farmers, who should prepare for prevention by improving the drainage system in their fields to reduce the impact and possible damage to agricultural products and livestock. Sailors in the Andaman Sea and the Gulf of Thailand have also been asked to sail with caution and avoid sailing in areas with thunderstorms.

Regional weather forecasts indicate a high chance of thunderstorms in various parts of the country, with minimum temperatures ranging from 23 to 26 degrees Celsius and maximum temperatures ranging from 32 to 35 degrees Celsius.

Key Takeaways:

  • The Meteorological Department has warned of heavy to very heavy rain that may cause flash floods, mudslides, and landslides in hillsides near waterways and lowlands.
  • The rain is expected to be severe over the next 24 hours, with the monsoon trough passing through the lower northern, upper central, lower northeastern, and eastern regions.
  • Farmers should prepare for prevention by improving the drainage system in their fields to reduce the impact and possible damage to agricultural products and livestock.
  • Sailors in the Andaman Sea and the Gulf of Thailand have been asked to sail with caution and avoid sailing in areas with thunderstorms.
  • Regional weather forecasts indicate a high chance of thunderstorms in various parts of the country, with minimum temperatures ranging from 23 to 26 degrees Celsius and maximum temperatures ranging from 32 to 35 degrees Celsius.
  • The department has advised people in affected areas to exercise caution and avoid traveling through areas with thunderstorms.

Statistics:

  • 70% chance of thunderstorms in Bangkok and surrounding areas.
  • 80% chance of thunderstorms in the northern region.
  • 70% chance of thunderstorms in the northeastern region.
  • 60% chance of thunderstorms in the central region.
  • 60% chance of thunderstorms in the eastern region.
  • 40% chance of thunderstorms in the southern region (east coast).
  • 60% chance of thunderstorms in the southern region (west coast).
  • Waves in the sea are approximately 1 meter high in some areas.
  • Waves are higher than 2 meters in areas with thunderstorms.
  • 10-20 km/hr southwesterly winds in Bangkok and surrounding areas.
  • 5-15 km/hr variable winds in the northern region.
  • 10-20 km/hr southeast winds in the northeastern region.
  • 10-20 km/hr southwesterly winds in the central region.
  • 15-30 km/hr southwesterly winds in the eastern region.
  • 15-30 km/hr southwesterly winds in the southern region (east coast).
  • 20-35 km/hr southwesterly winds in the southern region (west coast).

Sources:

  • Thai News Agency, May 28, 2025.
  • The Meteorological Department, Thailand.

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