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△ National Thunderstorm Gale or Hail Warning (Central Meteorological Observatory/Issue)
Beijing Express, July 1, People's Voice In the blink of an eye, the "summer solstice" of the traditional 24 solar terms has arrived. This week's (July 1-July 7) national weather stage, in the opinion of experts, there will be big changes in general; During the period from July 3 to 4, with the obvious westward extension and northward lifting of the subtropical high, the distribution of rain and heat shifted greatly. At the same time, the southern part of the Yangtze River and the middle and lower reaches of the Yangtze River changed from rainy to sunny and hot; In Huanghuai, North China and other places, there is a trend of decreasing high temperature and increasing rainfall. In addition, due to the eastward shift of the continental warm ridge, the high temperature in Xinjiang decreases, but the northern part of Heilongjiang increases.
△12-hour cumulative monitoring of severe convective weather across the country (Central Meteorological Observatory/Fa)
Experts said that monitoring data showed that during the day today (1st), there was short-term heavy rainfall from northern Guangxi and Guizhou, through central and northern Hunan, southern Hubei, and northern Jiangxi to Anhui and Jiangsu. In addition, there are also a lot of short-term heavy rainfall in the northern region; It is concentrated in eastern Gansu, central and northern Shaanxi, central Inner Mongolia, southern Hebei, eastern Henan, Shandong, eastern Liaoning and other places. Among them, the northern convection is mainly located on the south side of the cold vortex, and the southern convection is caused by the low vortex shear line on the north side of the subtropical high.
△National short-term heavy precipitation warning (Central Meteorological Observatory/Fa)
It is worth noting that industry insiders emphasized that it is not difficult to find that it is not difficult to find that from tonight to tomorrow (2nd), the strong convective potential area extends from the north of South China to the south of the northeast. The corresponding upper-level cold vortex moves eastward, and the low-altitude low-level vortex moves eastward and northward. The west and north sides of the subtropical high form a large-scale convergence. In addition, because of the abundant water vapor, there is instability, and then a wide range of strong convective weather is formed, with short-term heavy rainfall, thunderstorms, strong winds, and hail. Moreover, tornadoes are not even ruled out in the middle and lower reaches of the Yangtze River; The reason for this is that the low-altitude vertical wind shear, supercell index, and storm helicity are all high. For this reason, tonight's Central Meteorological Observatory issued a yellow warning for continued strong convection.
*Attached: Specific forecast
(Editor-in-charge/Xiangyu)
*Editor's Note:
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