The first round of large-scale rain and snow weather went online. Which areas have more precipitation than history?

The National Meteorological Administration held a briefing on the upcoming large-scale rain and snow weather. From 17 to 19, a large-scale rainstorm, snow and windy weather will be ushered in the central and eastern regions of China. The weather process has a wide range of rain and snow, with strong gusts in the northeast and obvious cooling. The cooling range from the north to the middle and lower reaches of the Yangtze River is about 4℃-8℃, and the local cooling range in the northeast will exceed 10℃. Ma Xuekuan, chief forecaster of the National Meteorological Observatory, said that this is also the first round of large-scale rain and snow this winter. In Henan, Shandong, eastern Liaoning and central Jilin, the daily absolute rainfall may exceed the historical extreme value of the same period.

Meteorological monitoring shows that the scope of rain and snow has expanded rapidly in the past day. Snowflakes have fallen in Heilongjiang, north-central Inner Mongolia, northeastern Qinghai, southeastern Gansu and northern Tianshan Mountains, and the snowfall in Harbin, Heilongjiang has exceeded 10 mm; North China, Huanghuai, Shaanxi, northern Chongqing, northeastern Sichuan and other places were covered by rain, and the local rainfall reached the level of rainstorm.

The National Meteorological Observatory1issued the first orange warning of snowstorm this year on the morning of October 8. Today (18) is the strongest period of rain and snow in the central and eastern regions. In the next 24 hours, there will be heavy snowstorms in southeastern Heilongjiang, western and northern Jilin, western Liaoning, central and southeastern Inner Mongolia and northern Hebei, and some areas will have heavy snowstorms (20. There are heavy rains in central and eastern Liaoning, central and eastern Jilin, western Hunan, and local heavy rains in southeastern Liaoning (100 ~120mm). The above-mentioned local areas are accompanied by strong convective weather such as short-term heavy precipitation or thunderstorms and strong winds.

On June 5438+09, the scope of rain and snow gradually narrowed, with heavy snowstorms in southeastern Inner Mongolia, southeastern Heilongjiang, Jilin and northwestern Liaoning, and heavy snowstorms in some areas; There is heavy rain in central Zhejiang.

Meteorologists reminded that from 18 to 19, with the continuous decrease of temperature, some areas in Inner Mongolia, Jilin, central and western Liaoning, northern Hebei and other places will experience the process of rain and snow conversion. The public should pay attention to prevent the adverse effects of slippery roads, snow and ice, and low visibility weather caused by rain and snow, and pay close attention to the latest forecast and early warning information; There is strong rainfall in southeastern Jilin and eastern Liaoning, and the local accumulated rainfall is large, so we should be alert to the secondary disasters that may be caused by heavy rainfall.

In addition, due to the influence of cold air, there will be obvious gale and cooling weather in the central and eastern regions, with the cooling range of 4 ~ 8℃ in most areas and above 12℃ in eastern Jilin and eastern Liaoning, accompanied by northerly winds of 5 ~ 7 and gusts of 8 ~ 9. The public should take measures to prevent cold and wind when going out to prevent colds.

Meteorologists also reminded that the rain and snow process has a wide range of influences and has certain extremes. The public in the above areas should be vigilant and pay attention to the adverse effects of slippery roads, icing and low visibility weather caused by rain and snow on traffic. In addition, there will be rainy, snowy and windy weather in the central and eastern regions from the 20th to the 22nd. And two large-scale rains and snows in succession? Online? It is predicted that the precipitation in the north of the Yangtze River will be significantly less than 65438+ 10 since the end of June, and the temperature will be significantly higher than normal. This will help to increase soil moisture and reduce the meteorological level of fire danger, but at the same time, it is necessary to guard against the adverse effects brought by weather processes.