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△ National Thunderstorm Gale or Hail Warning (Central Meteorological Observatory/Issue)
People's Voice of the World, April 25, Beijing Express In the blink of an eye, the traditional 24 solar terms of "Gu Yu" have arrived. This week's (April 22-28) national weather stage, experts believe that cold and warm air is still active, during which the trough from Lake Baikal to Mongolia will continue to throw out cold air, and at the same time, the warm and moist air flow north of the subtropical high will continue to move north. As a result, it will remain rainy in the south during the week. And under the warm and humid air flow pulse, there are also obvious rainfall and convection processes. The temperature in the north is fluctuating, and it may drop significantly after hitting a new high from the 25th to the 26th. In addition, along with the activity of cold air, there may also be wind-blown sand in the north.
△National short-term heavy precipitation warning (Central Meteorological Observatory/Fa)
Experts said that the monitoring data showed that from 08:00 to 20:00 today (15th), Guizhou, Guangxi, Guangdong, Hunan, Jiangxi, Fujian and other places experienced short-term heavy rainfall, local thunderstorms, strong winds, and hail. Judging from tonight's weather radar, there are scattered strong echoes from southern Guizhou to northern Guangxi and northern Guangdong, especially in Guangxi, which can be seen with strong purple echoes, corresponding to "super cell storms". As a result, from 19 o'clock to 20 o'clock, there was a thunderstorm and strong wind of magnitude 10 (28.2 m/s), breaking the gust record in the local observation history.
△National Severe Convective Weather Forecast (Central Meteorological Observatory/Fa)
Industry insiders stressed that it is not difficult to find that it is not difficult to find that as experts say, from the situation tonight, from the southern part of Guizhou to the northern part of Guangxi, as well as the northern part of Guangdong, the low-altitude warm and humid airflow and the cold air northerly wind converge to trigger convection. What's worse is that there is a small trough on the 500 hPa, and the involvement of dry and cold air in the middle layer makes the convection increase rapidly. Moreover, tomorrow (26th) afternoon, there will still be a similar situation in the border areas of Guizhou, Hunan and Guangxi, especially the uplift index in northern Guangxi is very low, and the risk of strong convection is greater. Therefore, tonight's Central Meteorological Observatory continues to issue a blue warning for severe convective weather.
*Attached: Early warning details
(Editor-in-charge/Xiangyu)
*Editor's Note:
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