Around 19:00 yesterday, snow began to fall in the southern part of the city. As of 22:30, snow had fallen in Fangshan, Mentougou, Daxing, Tongzhou, Fengtai, Chaoyang, Pinggu, Yanqing and other places. The amount of snow in most areas was trace, with the maximum being 0.3 mm in erhaituo, Yanqing. The snowfall is expected to be small in the first half of the night, and the main snowfall period is from the second half of the night to this morning.
At 16:10 yesterday, the Municipal Meteorological Observatory successively issued the blue warning signal of Blizzard and the yellow warning signal of road icing. It is predicted that from 19:00 on the 15th to 14:00 on the 16th, there will be more than 5mm snowfall in most parts of the city and more than 10mm in some parts of the north; Due to snowfall, the surface temperature is low, and road icing is easy to occur. Please pay attention to prevention.
Early yesterday morning, the sky in Beijing was gloomy and the sun disappeared. It seemed that everything was preparing for snow. According to the meteorological department, due to the joint influence of warm and humid airflow and cold air in the south, there will be a wide range of rain and snow in North China from 15th to 16th. Affected by the high-pressure system yesterday morning, the relative humidity at about 11:00 was only 60%. In the afternoon, with the southerly wind, the humidity in the air in Beijing gradually increased. Humidity problems caused a slight delay in the snow.
With the gradual increase of humidity, as of 17:00 yesterday, the precipitation front had entered Shijiazhuang and Hengshui, Hebei. The maximum precipitation in Hebei was huaguanying Township, Handan, reaching 4.3 mm; Around 19:00, snowfall began to affect the southwest of the city, and small snowflakes began to fall in Fangshan Liangxiang; It is expected that the whole process will bring moderate to heavy snow in the whole city. The snowfall in most areas will reach 5-8mm, and the snow depth can reach 3-5cm. The snowfall in the northern suburbs will be more obvious, and there will be blizzards greater than 10mm locally.
The reporter learned that the biggest feature of this snowfall process is a wide range of snowfall and a large range of wet snow. Wet snow has high water content, which is conducive to soil water supplement and plant rooting and germination in the coming year.
Half a month after the 'most punctual' first snow this winter, the second snow came. This morning, Beijing was greeted by a white world wrapped in silver and plain. While enjoying the snow and making snowmen, don't forget to keep warm. The north wind rises after the snow, and the 'cold after the snow' is obvious. It is expected that from tonight to the 17th day, the north wind in the city will increase and the temperature will drop significantly. Today, the maximum temperature is only 2 ℃, and the body feels cloudy and cold.
The Central Meteorological Observatory also issued a blue blizzard warning yesterday. The meteorological department said that this round of snowfall is easy to form snow icing, and the road is wet and slippery, so we should pay attention to travel safety. In addition, the facility agriculture in the suburbs needs to be reinforced in advance to prevent the snow pressure shed film from being damaged due to snowfall.
The Central Meteorological Observatory lifted the blizzard blue warning at 6:00 on December 17: the blizzard blue warning was lifted because the snowfall intensity was significantly weakened. It is expected that from 8:00 on December 17 to 8:00 on December 18, there will still be small to moderate snow in eastern Heilongjiang and Eastern Jilin.