The weather in Hebei turned cold and windy.

The weather in Hebei turned to cold wave and strong wind, and the lowest temperature in all parts of the province generally dropped, with the temperature dropping by 8-12℃ in Zhangjiakou and northern Chengde, and 6-10℃ in other areas.

Influenced by cold air, the temperature in Tangshan, Qinhuangdao, Baoding, Langfang and its south areas keeps dropping by 3 ~ 5℃, and the lowest temperature in Zhangjiakou and Chengde can reach-12 ~-8℃, while that in southern Tangshan, Qinhuangdao, Baoding and Langfang can reach -3 ~ 3℃, and that in other areas is -8 ~-4℃, with frost in most parts of the plain.

Cold wave refers to the invasion of high-latitude cold air into low-latitude areas in winter, which is a kind of disastrous weather and belongs to cold air. However, not all cold air attacks are called cold waves, and certain criteria must be met: the minimum temperature drops above 8℃ within 24 hours, or above 10℃ within 48 hours, or above 12℃ within 72 hours, which meets the above three conditions.

Geographical environment of Hebei province

Hebei has a temperate continental monsoon climate, with four distinct seasons in most areas, with annual sunshine hours of 2303. 1 hour and frost-free period of 8 1 ~ 204 days. The average annual precipitation is 484.5 mm, and the distribution of precipitation is characterized by more in the southeast and less in the northwest; The average temperature in 65438+ 10 is below 3℃, and the average temperature in July is 18℃ to 27℃, with four distinct seasons.

Hebei province has a high terrain in the northwest and a low terrain in the southeast, which inclines from northwest to southeast. The landform is complex and diverse. There are three geomorphic units: Bashang Plateau, Yanshan Mountain, Taihang Mountain and Hebei Plain. Bashang Plateau is a part of Mongolian Plateau, with an average elevation of 1200 ~ 1500m and an area of 6500.

The mountainous areas of Yanshan Mountain and Taihang Mountain, including Zhongshan Mountain, low mountains, hills and intermountain basins, are mostly below 2000 meters above sea level, and there are more than 10 solitary peaks above 2000 meters, among which Xiaowutai Mountain is the highest peak in Hebei Province, with an altitude of 2882 meters, with a mountainous area of 90280 square kilometers, accounting for 48. 1% of the total area of Hebei Province.

Reference to the above content: Baidu Encyclopedia-Hebei Province