China News Service, Beijing, April 9th With the arrival of a cold air, the sunny and warm weather in parts of the central and eastern regions will be suspended. People will experience a "roller coaster" change in temperature in the pleasant spring, and the cooling rate in some regions Above 10 ℃. At the same time, North China's Huanghuai region will usher in the first large-scale spring rain this year.
Data map: citizens travel in the rain. China News Agency reporter Chen Jimin
In many places, the temperature falls off the cliff and cools down locally or reaches 10 ℃
It is the spring, and there are birds and flowers in many areas. However, the arrival of a cold air will bring a little chill to Chunguang.
The Central Meteorological Observatory predicts that from the night of the 8th to the 9th, weaker cold air will affect the North China region. Most of the areas will have a temperature drop of 4-6 ° C, and the local temperature may reach 8 ° C. There are sleet in the northwest of North China and small in the central and southern North China In the rain.
According to the China Weather Network, on the 9th, central Inner Mongolia, Shanxi, most parts of Hebei, Beijing and other places will generally experience a cooling of 6 to 12 degrees Celsius, and the highest temperature in Beijing and Tianjin is only 10 degrees Celsius. On the 10th, a temperature drop of 6-12 ° C will occur in southwestern Shanxi, most of Shaanxi, south-central Henan, south-western Shandong, northern Jiangsu and Anhui, and most of Hubei, especially in central Henan and parts of northern Hubei.
Locally, due to the influence of cold air, Beijing will change the recent pattern of sunny and warm weather, and the temperature will plummet and there will be rainfall. During the daytime on the 9th, there will be precipitation in most parts of Beijing, chilling. However, cooling has come and gone, and the warm and sunny weather will return again on the 10th.
Under the pressure of cold air and rain and snow, the temperature in Hebei on the 8th to 10th will drop to the low level of normal years. On the 8th, the highest temperature in central and southern Hebei was still around 17 ° C, and on the 9th it would suddenly drop to 7 to 8 ° C. For northern Hebei, not only is it colder during the day, but colder at night, the minimum temperature in Zhangjiakou and Chengde on the 9th was only around 0 ° C.
In addition to rain and cold air, Henan will usher in gusts of 6-7. On the 10th, Henan will experience a "cliff-like" drop in temperature. The highest temperature in the north and central regions will generally fall by 8 to 10 degrees Celsius compared to the previous period. In the western mountainous areas and the northern part of the country, late frost may occur in the early morning of the 10th.
Data map: citizens travel in the rain. China News Service reporter Liu Kegeng
North China Huanghuai welcomes the first large-scale spring rain this year
The arrival of cold air also brought precipitation. The spring in the north is dry and windy, and there is little precipitation. This precipitation process can be described as "spring rain is as expensive as oil" in the north.
According to the China Weather Network, on the 8th, rainfall has ushered in places such as North China and Huanghuai. From the 9th to the 10th, the rain has increased, and some areas have moderate rain. It is estimated that during the daytime on the 9th, there will be small to moderate rain in most parts of Shanxi, central and southern Hebei, central and southern Beijing, and Tianjin, and sleet in areas along the Taihang Mountain.
The Central Meteorological Observatory predicts that from the night of the 9th to the 11th, there will be moderate to heavy rain in the eastern part of the southwestern region, most of Jianghan, Jiangnan, and southern China. Among them, there are heavy rains in parts of eastern Guizhou, northern and southern Hunan, and northwestern Guangxi. In some areas, there is short-term heavy precipitation, the maximum hourly rain intensity is 30-50 mm, and it is accompanied by strong convective weather such as thunderstorms and strong winds.
Some time ago, Sichuan has continued to dry, and some areas have mountain fires. According to the China Weather Network, on the 9th, there were showers or light rain in the cities of the Sichuan Basin that were cloudy to overcast, with moderate rain in parts of the two cities of Guang'an and Luzhou.
On the 10th, there were showers or light rain in various cities in the Sichuan Basin. Among them, Chengdu, Ya'an, Meishan, and Leshan had moderate rains and some heavy rains; most of the Panxi area was cloudy, and most of them were cloudy in the northeast of Liangshan Prefecture. There are scattered showers.
According to reports, the meteorological department will carry out artificial rain enhancement operations in due course, which will help fire control in many fire sites in western Sichuan.
Data Map: Every spring, Yang Xu flies in many places in northern China. Photograph by Wu Junjie
The period of high incidence of Yangliu Feixu is around 50 days in Beijing
While paying attention to the weather, we must also pay attention to the impact of seasonal changes. Although the north is in the spring with a pleasant climate, the willow catkins carry the pollen particles of poplar and willow, which has a certain allergenicity and brings many To trouble.
According to reports, Beijing's Yangliu Feixu will be divided into three high-incidence periods this year, which will take about 50 days and cover the period from early April to late May.
According to the results of a detailed investigation of the willow female plants in Beijing, this year, the first high-incidence period of Beijing willow fly catkins will be around April 10, the main species of fly catkins is Populus tomentosa, and the main area is urban areas; the second high-incidence period is April From late to early May, the main flying catkins are European and American poplar, poplar, weeping willow, and willow, and the main areas are in urban areas and plains; the third highest incidence period is in mid-May. The main flying catkins are European and American poplar, the main area In the mountains.
Experts suggest that a disposable medical mask can play a protective role; try not to wear a coat that is easy to adhere to flying catkins. When you go out, you should clean the nasal cavity and face, clean the flying catkins on the coat in time, minimize the window opening time, and clean or Spray water to humidify the indoor fly; close the windows when driving or indoors, especially close the bedroom window before sleeping, to prevent pollen from floating into the room at night, because the most serious symptoms of allergy at night. (Finish)