Affected by the cold air moving southward and southward and the southerly warm and humid airflow, there were two significant snowfall weather events in the winter wheat and arid regions of northern China from February 9 to 10 and 12 to 13 in some areas. However, on the whole, although the two precipitations have a certain mitigation effect on the drought, it is no different from the drought in the whole region and cannot fundamentally alleviate the drought.
The process of snowfall brings cold weather, although it is conducive to inhibiting the excessive evaporation of soil water, but it also has an adverse effect on crop greening. However, in general, the cumulative snowfall in the two processes is conducive to purifying the air and inhibiting the spread of the disease; and increasing the soil moisture, which is very beneficial to alleviate the current drought in the wheat field; at the same time, it is conducive to reducing the forest fire risk level and suppressing the occurrence of sand and dust weather. However, after the snow, the road surface is slippery and the road surface is prone to icing, which will have a certain adverse impact on the traffic of the city.
It is expected that day to night, northwestern Xinjiang and Tianshan, southwestern and southeastern Tibet, eastern Qinghai, southern Gansu, southwestern Shaanxi, southwestern southeast, northeastern and southern Jiangnan, southern China and other places have small to medium snow (rain Or sleet, in which the southwestern part of Tibet has large blizzards; the southern part of the East China Sea, the Taiwan Strait, the northern part of the South China Sea, the Bus Straits, and the east side of Taiwan will have a northerly wind of 7 to 8 and a gust of 9 winds.
In addition, it is expected that from the 15th to the 16th, there will be a small rain (snow) or sleet process from the west to the east. Among them, there are moderate rains in parts of southern Jiangnan, and large areas of blizzard in southern Tibet. Impact: From the night of the 15th to the 16th, there were small snows from the west to the east in central and southeastern Inner Mongolia, south-central northeastern China, central and eastern China, and Huanghuai.
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