It is expected that in the next three days, Huanghuai and most of its southern areas will still have a large range of rain and snow, accompanied by 6-8 °C cooling, local cooling above 10 °C, rain and snow may occur in parts of Guizhou and Hunan. Disasters are not good for transportation, electricity, and agricultural production.
Huanghuai and its south there are still large areas of rain and snow Central Meteorological Observatory. It is expected that there will be a wide range of rain and snow weather in Huanghuai and its south areas from 14 to 16 days. In the southeastern part of the northwestern region, Jianghuai, Jianghan, most of the south of the Yangtze River, Guizhou, northeastern Yunnan and other places, the rain is sleet or snow, and some mountainous areas or high-lying areas have heavy snow or blizzard; north central Guizhou, northwestern Hunan There are freezing rains in some parts of the Ministry (mainly from 15 to 16); moderate to heavy snow in the northern part of Shandong Peninsula; moderate to moderate rain in most of southern China and the southwestern part of the country, with heavy rains in the south-central part of the south and south of southern China.
During the period, most of the country will have a temperature drop of 6-8 °C, local cooling will be above 10 °C, and there will be frost in Jianghuai, Jianghan, north-central Jiangnan and parts of Guizhou. From 14 to 15 days, the main part of the cold air will go south, the middle and lower reaches of the Yangtze River and In the northern part of the country, there will be 4 to 6 northerly winds; on the 16th, the wide range of rain and snow weather will end, and the minimum temperature in the Jianghuai and Jiangnan will drop to minus 3 °C to minus 1 °C.
Preventing adverse impacts on transportation, electricity, and agricultural production The rain and snow weather has a wide range of influences, strong rainfall intensity in the south, and obvious cumulative cooling effects. Rain and snow weather will be beneficial to alleviate the drought in the Jianghuai area and parts of the south, but it will have adverse effects on transportation, electricity and agricultural production in some parts of the south.
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 and need to strengthen traffic safety management. The power and communication departments also need to guard against low-temperature rain and snow weather on power supply lines and communication equipment. The adverse effects.
Secondly, 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, The growth of fruit trees and economic forests will also be unfavorable. All localities need to do cold and antifreeze work such as crops and fruit trees.
Third, large-scale precipitation is conducive to soil growth and storage in the reservoir. 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 and reduce the humidity in the field. Prevent wet spots from occurring.
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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