Why is it so hot in Hebei this year?

High temperature weather is mostly formed by the interaction of climate and geographical conditions, while the atmospheric circulation in Hebei Province is poor and the humidity is relatively small, so the temperature is gradually rising.

Urban high temperature is the result of sunshine time and surface heat. With the expansion of urban scale, high-rise buildings occupy a lot of surface space, which leads to the enhancement of hot red effect of urban buildings and the increase of surface temperature, thus further aggravating the situation of temperature increase.

The value of "inflammation" in all parts of Hebei continued to soar, and the temperature in many places rushed above 35 C in the afternoon. According to the on-site monitoring, the real-time temperature in Shijiazhuang reached 40℃ at 13: 55, making it the first city in the provincial capital to raise the temperature to 40℃.

Not only Shijiazhuang, but also other parts of Hebei are very hot. The temperature fact sheet of the Central Meteorological Observatory at 14 was "the best" from Hebei to around 14: 20. There were 54 high-temperature red warnings in the whole province, and the meteorological disaster prevention headquarters of Hebei Province has also started the Class III emergency response of major meteorological disasters (high temperature).

Climate and Hydrology in Hebei Province

1 climate

Hebei has a temperate continental monsoon climate. There are four different seasons in most areas. The annual sunshine hours are 2303. 1 hour, and the annual frost-free period is 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.

2. Hydrology

There are many rivers in Hebei province, with more than 300 rivers, with a length of 18 km and a length of 1000 km. Most rivers in China originate from or flow through Yanshan Mountains, northern Hebei and Taihang Mountains. Some of the downstream rivers flow into the sea, some flow into the sea alone, and some flow into lakes without outflow due to topographic reasons.

The main rivers from south to north are Zhangweinan Canal, Ziya River, Daqing River, Yongding River, Chaobai River, Jiyun Canal and Luanhe River. , belonging to Haihe River, Luanhe River, Inland River and Liaohe River. Among them, Haihe River system is the largest, followed by Luanhe River system.

Reference to the above content: Baidu Encyclopedia-Hebei Province