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The National Center for Hydrometeorological Forecasts said that this afternoon, the cold air unit reported in the North that it will continue to compress the low-pressure channel to move south.
Due to the influence of the low pressure compressed trench, from this night until May 13, in the northern provinces, there are strong thunderstorms, especially in the mountainous and central areas, there are moderate rains, heavy rains and, at Sometimes very heavy rain. common rain 50-100mm / 24 hours, some places more than 120mm / 24 hours).
The rain later spread to North Central. Specifically, from tonight until tomorrow night (May 12) in the north-central provinces, there are strong storms, with moderate rain, heavy rain (rain 50-80mm / 24h, some places over 80mm / 24h). During thunderstorms there is the possibility of tornadoes, lightning, hail and high winds.
Thu Ha Noi night and tomorrow morning (12/5) with moderate rain, heavy rain, very heavy rain and thunderstorms. During thunderstorms there is the possibility of tornadoes, lightning and strong winds.
The National Center for Hydrometeorological Forecasts predicts that the northern and central provinces may be affected by about 3 waves of cold medium intensity from now until the beginning of June. The last cold of the winter spring 2019-2020.
These air spells do not cause cold, they compress low pressure trenches and cause heavy rains and thunderstorms in the northern provinces, avoiding the risk of dangerous weather phenomena such as storms, tornadoes, hail and strong gusts of wind.
After weak cold air spilled tonight, forecast May 16-17, the north continues to be hit by the cold wave of low-pressure furrow ditches running through the north, causing heavy rains and rains. That extends to the north-central region.
Additionally, in the southern and central highlands, around May 15-17, the southwest wind began to operate, causing rain and thunderstorm effects in this area. In the last week of May, the southwest wind seems to increase more in intensity, the rainy season is likely to start in the last week of May.
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