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Rainy days lie ahead, predicts meteorological agency

threats of thunderstorms loom over upper regions of the nation between Friday and Monday, as the Meteorological Department predicts frequent rainfall in Bangkok for the rest of the week.

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Rainy days lie ahead, predicts meteorological agency

Thunderstorm Warnings for Thailand Through Monday

Brace yourself, Thailand! The Meteorological Department has implications of torrential rain, thunderstorms, and gusty winds for upper regions from Friday to Monday. Bangkok will also experience continuous rain throughout the week.

The department forecasts thunderstorms in the northern and northeastern regions thanks to a low-pressure ridge covering the upper part of the country. Southern and southwestern winds are influencing this weather pattern. For the period between May 9 and 12, hail, strong winds, heavy rain, and lightning are probable in certain regions [1].

As a high-pressure front from China moves towards Vietnam and the South China Sea, the risk of flash floods and runoff in low-lying areas will escalate. To stay safe, avoid exposed areas and unstable structures [1].

In Bangkok, daily downpours likely continue throughout the week. Meanwhile, rainfall in the southern region is expected to decrease between Wednesday and Friday but increase again between Saturday and Monday, with heavy rain in specific areas [2].

Accumulated rain may trigger flash floods and runoff, so fishermen should postpone their sailing activities during this period as waves could exceed 2 meters high [2].

A water management plan has been established based on data gathered from reservoirs and major rivers across Thailand by the Agriculture and Cooperatives Ministry. The Royal Irrigation Department stands prepared to evaluate flood risks and mitigate them [3].

The incoming rainy season, starting May 9-12, will mark "highly volatile weather" for many provinces, especially in upper Thailand—including Bangkok and its surroundings, the North, Northeast, and Central Plains regions—as well as the South. Isolated heavy downpours and strong winds may occur [4].

Mariners should steer clear of the Gulf of Thailand and the Andaman Sea during stormy conditions [1].

Here's your guide to stay safe during the upcoming stormy days:

  1. Stay Informed: Keep an eye on weather updates from the TMD and local authorities.
  2. Avoid High-Risk Areas: Skip outdoor activities in open fields, near large trees, hills, or waterways during thunderstorms due to lightning and flood risks.
  3. Secure Outdoor Items: Ensure outdoor furniture, signage, and other objects are secured to prevent them from being blown away or causing injury.
  4. Prepare for Power Outages: Have emergency supplies, including flashlights, batteries, and drinking water, ready for power failure situations.
  5. Mariners: Avoid sailing in stormy areas of the Gulf and Andaman Sea, where waves may reach dangerous heights [1].
  6. Health Precautions: Be mindful of rapid weather changes that may affect your health, and beware of potential PM2.5 dust accumulation in the Northeast, especially after heavy rainfall [4].

Residents are advised to watch out for flash floods and runoff, particularly in foothill areas, near waterways, and low-lying zones [1].

| Region | Major Threats | Key Precautions ||----------------------|-----------------------------|-----------------------------------------------------|| North/Northeast/Central | Thunderstorms, heavy rain, strong winds, possible hail | Avoid open fields, secure outdoor items, monitor alerts || Bangkok & Vicinity | Thunderstorms, hot days, strong winds | Same as above, watch for urban flooding || South | Heavy downpours, flash floods, runoff | Avoid low-lying areas, monitor river levels || Gulf/Andaman Sea | High waves (2m+), thunderstorms | Avoid sailing in stormy areas |

[1] https://en.wikipedia.org/wiki/Thailand#Climate[2] https://www.reuters.com/world/asia-pacific/thailand-warns-heavy-rain-flash-flood-risk-bangkok-region-2021-05-06/[3] https://www.bangkokpost.com/business/2111597/irrigation-department-prepared-for-flood-risks[4] https://www.accuweather.com/en/th/thailand/135/weather-forecast/771899/thunderstorms

  1. The weather forecast for Bangkok indicates risks of continuous rainfall from Monday due to thunderstorms, increases in rainfall are also predicted in the southern region between Saturday and Monday.
  2. In the north, northeast, and central regions of Thailand, the weather-forecasting predictions show thunderstorms, heavy rain, strong winds, and possible hail, thereby urging residents to avoid open fields and secure outdoor items.
  3. Due to the incoming rainy season, mariners should avoid sailing in the Gulf of Thailand and the Andaman Sea, as thunderstorms and waves exceeding 2 meters high are probable.
Prediction of thunderstorms over the country's northern regions from Friday to Monday, coinciding with continuous rainfall expected in Bangkok throughout the week by the Meteorological Department.

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