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△ National Thunderstorm Gale or Hail Warning (Central Meteorological Observatory/Issue)
People's Voice of the World, April 24, 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 monitoring data showed that this evening (24th), convection had begun to develop in southern Hunan, eastern Guangxi, and western Guangdong. According to the analysis of the latest meteorological data, from tonight to tomorrow (25th), the convective weather in the south will further increase and intensify; for this reason, the Central Meteorological Observatory tonight issued a blue warning for severe convective weather.
△National Severe Convective Weather Forecast (Central Meteorological Observatory/Fa)
According to experts, judging from the current forecast, from tonight to tomorrow afternoon, the warm and humid airflow from the south will strengthen and move northward; the water vapor and instability of the low-level atmosphere will increase, and a trough will move eastward in the upper atmosphere; at the same time, there will be a low-vortex shear line at low altitude; therefore, the convection may be triggered from Guizhou, Guangxi, and Hunan, and then move eastward to affect Jiangxi and Guangdong.
△National Severe Convective Weather Forecast (Central Meteorological Observatory/Fa)
According to the analysis of experts, judging from the conditions of low-altitude vertical wind shear, the values are relatively high in Guizhou, northern Guangxi, southern Hunan, northern Guangdong, and southern Jiangxi; therefore, this is conducive to the organization of convection; therefore, the possibility of a "squall line" cannot be ruled out from tonight to tomorrow.
△Regional vertical wind shear numerical model forecast (Central Meteorological Observatory/Fa)
Industry insiders emphatically pointed out that it is not difficult to find that the convection is still a "mixed" type of strong convection, as experts say, that is, there are both short-term heavy rainfall, thunderstorms, strong winds, and hail. In addition, there are even places where short-term heavy rainfall comes together with thunderstorms, strong winds, and hail. Therefore, people in the relevant areas should still pay attention to the latest warning forecast of the meteorological department and the real-time movement on the weather radar.
*Attached: Early warning details
(Editor-in-charge/Xiangyu)
*Editor's Note:
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