Thailand Braces for Heavy Rain and Thunderstorms Across Multiple Regions

The Meteorological Department has warned of widespread thunderstorms and heavy rain in several areas of Thailand, including the North, Northeast, East, and South, affecting major cities like Bangkok and its vicinity. The severe weather is expected to cause flash floods and forest runoff, particularly in areas with hillsides near waterways and lowlands. The department forecasts thunderstorms and heavy rain in 70-80% of the area across these regions, with minimum temperatures ranging from 23-26 degrees Celsius and maximum temperatures between 32-36 degrees Celsius.

Key Takeaways:

• The Meteorological Department has issued a warning for thunderstorms and heavy rain in multiple regions, including the North, Northeast, East, and South of Thailand.
• Areas at risk include Bangkok and its vicinity, as well as provinces in the North, Northeast, Central, and South regions.
• Flash floods and forest runoff are a significant concern, particularly in areas with hillsides near waterways and lowlands.
• Sailing in the Gulf of Thailand and the Andaman Sea is cautioned, with waves reaching 2 meters or higher in areas with thunderstorms.
• The southwest monsoon is expected to bring heavy rain and thunderstorms to the western part of Thailand.

Statistics:

• 70-80% chance of thunderstorms and heavy rain in the North, Northeast, East, and South regions.
• Minimum temperature: 23-26 degrees Celsius; Maximum temperature: 32-36 degrees Celsius.
• Wind speed: 5-20 km/hr in the North, Northeast, and South regions; 10-30 km/hr in the East and Central regions.
• Wave height: 1-2 meters in the Andaman Sea and the Gulf of Thailand; higher than 2 meters in areas with thunderstorms.

Sources:

• The Meteorological Department of Thailand (Thai News Agency dated 18 May 2025)