Cold! When will it get hot in Henan?

On February 23rd, 2023, Henan began to get hot +65438.

It is understood that there is a new cold air force in Henan, which has brought obvious cooling to the whole province after passing through Henan. According to the forecast of Henan Meteorological Observatory, the temperature will slowly rise from 65438 to February 23, 2023. The highest temperature in many places in Henan dropped to freezing point, and the lowest temperature dropped to-15℃ surprisingly. This extreme temperature, first of all, should keep warm. The cold temperature is a test for our health, especially because of the large temperature difference between morning and evening, and it is easy to catch a cold.

Therefore, whether you go out to work or go out for activities, you should pay attention to adding clothes to keep warm and avoid being greedy. Secondly, we should pay attention to traffic safety. As the temperature drops, the road surface may freeze, which may easily lead to traffic accidents. Check the road conditions before going out to ensure that the vehicle and driving skills are in good condition and drive safely.

The Source of Cold Air Flow in Henan Province

The cold air originally came from the Arctic Ocean and was strengthened through Siberia. These areas have high latitude, short sunshine time, low heat income and high expenditure, which lead to lower and lower temperatures and form cold air masses, which are pushed from north to south under the guidance of atmospheric circulation system, affecting China. In addition, there are grades of cold air, and the division principle is divided by two indicators: the area affected by cold air, the extent of daily minimum temperature drop in a certain period of time and the daily minimum temperature value.

Five grades: weak cold air, moderate intensity cold air, strong cold air, strong cold air and cold wave. Among them, the standard of cold wave is to cool down 10℃ or above in one day, and the lowest temperature is below 5℃. Cold air brings rain, snow, strong winds and cool weather to Henan Province.