Torrential rains expected in northern Vietnam as Typhoon Tapah loses strength
Typhoon Tapah Brings Heavy Rain and Flooding Risks to Southern China and Vietnam
Typhoon Tapah, which made landfall in Guangdong Province, China early Monday, is causing significant weather disruptions across southern China and Vietnam. The storm's peak winds were up to 117km/h, and it is moving at speeds of 20-25km/h.
Warnings have been issued for sudden rainfall of more than 60mm in under three hours in various areas, increasing the risk of flooding, flash floods, and landslides. The storm's outer bands could trigger hazardous weather across northern Vietnam, including whirlwinds and strong gusts.
In Đông Nai Province, Vietnam, the Đông Nai River's water levels remain above level two flood warning thresholds, and the risk of flooding and riverbank erosion remains high despite expected slight falls in water levels over the next 12-24 hours.
Heavy showers are forecast to continue into Wednesday in northern Vietnam, with average rainfall of 30-60mm and some areas topping 100mm. The provinces of Gia Lai, Dak Lak, and Lam Dong in Vietnam are expected to be particularly heavily affected by rain on Thursday due to the remnants of Typhoon Tapah, with significant flooding and landslides reported there.
Some locations in the northern mountainous and midland regions may see over 200mm of rain, and two-day rainfall totals in certain locations are forecast to exceed 300mm. The northern mountainous and midland regions of Vietnam could see rainfall of 40-90mm through Wednesday.
Rough seas and dangerous conditions are expected to persist, with strong gusts, whirlwinds, and thunderstorms posing risks for vessels, especially around the Gulf of Tonkin and northern coastal areas. The storm's outer circulation is still lashing the north-western East Sea with winds of 60-117km/h and waves up to 6 metres.
The National Centre for Hydro-Meteorological Forecasting predicts total rainfall on Tuesday and Wednesday in the northern mountainous and midland areas to be 70-150mm, with localised amounts potentially exceeding 300mm.
Typhoon Tapah may have weakened into a low-pressure system after making landfall in southern China on Monday, but updates will be issued if discharge volumes from upstream reservoirs change. Real-time risk maps are available at https://luquetsatlo.nchmf.gov.vn.
Stay safe and follow local weather advisories as Typhoon Tapah continues to move west-northwest across southern China.
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