Since December 10, most of the southern regions have experienced more obvious rainfall. From yesterday (13th), Huanghuai and most of its southern areas will still have a wide range of rain and snow. In most of the above areas, there will be a temperature drop of 6-8 °C, and the local temperature will drop by more than 10 °C. Frost will appear in Jianghuai, Jianghan, north-central Jiangnan and parts of Guizhou.
It is expected that today (14th) to 16th, the precipitation area will gradually gradually southward. The southeastern part of the northwestern region, the Jianghuai, Jianghan, the southern part of the Yangtze River, Guizhou, and the northeastern part of Yunnan are small to moderate rain and sleet or snow, part of the mountainous area. Or there is heavy snow or blizzard in the higher places; from 15th to 16th, there will be freezing rain in parts of central and northern Guizhou and northwestern Hunan; there will be medium to heavy snow in the northern part of Shandong Peninsula; In the mid-rain, there are heavy rains in the south central and southern parts of southern China. The minimum temperature in the Jianghuai and northern Jiangnan will drop to minus 3 °C to minus 1 °C. On the 16th, the process of large-scale rain and snow weather will end.
The rain and snow weather has a wide range of influences, strong rainfall intensity in the south, and obvious cumulative cooling effect. Rain and snow weather will be beneficial to alleviate the drought in parts of the Yangtze River and the south of the Yangtze River and the south, but it will have adverse effects on transportation, electricity and agricultural production in some parts of the south. Relevant regions and departments need to do a good job of prevention.
Concerns and suggestions:
First, all relevant departments need to strengthen preparations for low-temperature rain and snow. During rain and snow, the visibility is low and the road is slippery. There will be freezing rain in some areas of Hunan and Guizhou, which is prone to traffic accidents. Relevant departments need to strengthen traffic safety management. The power and communication departments also need to guard against low temperature rain and snow weather. The adverse effects of communication equipment.
The second is to do a good job in cold and anti-freezing work such as crops and fruit trees. During the cooling process, frost will appear in the Jianghuai, Jianghan, north-central Jiangnan, and parts of Guizhou, which will affect the winter wheat and rapeseed plants growing in the seedling stage to varying degrees. Low temperature on open vegetables, potatoes, tobacco, fruit trees, The growth of economic forests and other industries will also be unfavorable. All localities need to do cold and antifreeze work such as crops and fruit trees.
Third, it is necessary to seize the opportunity to store water in Kutang; areas with excessive precipitation need to clear the ditch in time. The large-scale precipitation is conducive to soil augmentation and reservoir storage. All localities need to seize the precipitation process to strengthen the reservoir water storage; some areas in the south of the Yangtze River and South China need to clear the ditch in time to reduce the humidity in the field and prevent it. Wet stains occur.
Fourth, the drought in some areas of Huanghuai and other places will continue, and the winter wheat area needs to strengthen field management. The weak precipitation process in the southeastern part of North China, Huanghuai and northern Jianghuai is conducive to increasing soil moisture, but the precipitation is small, the effect on drought is not great, and the drought will continue. The winter wheat areas in each region should be repressed, fertilized and covered. And other measures to protect against drought and freeze.
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