Traditional Culture Encyclopedia - Weather forecast - Why is the temperature in Heilongjiang so high?
Why is the temperature in Heilongjiang so high?
Expert interpretation: Three major factors lead to high temperatures in June in the northernmost provinces
According to seasonal patterns, midsummer in Heilongjiang Province should be in July. Why did the hot weather occur in early June and the "high fever" persists?
Song Lihua, a member of the Climatology Committee of the Council of the Chinese Meteorological Society, a senior engineer and deputy director of the Heilongjiang Provincial Climate Center, believes that the extreme high temperature weather this year is a normal climate phenomenon. The lack of rain in Heilongjiang Province in June has become the number one cause of extreme high temperature weather. Song Lihua analyzed the average precipitation in June and July in Heilongjiang Province in the past 30 years and found that the two values ??were very different. The average precipitation in July in Heilongjiang Province over the past 30 years was 132 mm, while the average precipitation in June was only 132 mm. is 85mm.
Song Lihua said that due to the lack of effective regulation of precipitation, temperatures continued to accumulate, which caused extreme high temperatures in Heilongjiang Province in June. Since 1964, Heilongjiang Province has experienced 18 extreme high-temperature weather exceeding 35 degrees Celsius in June, including two so far this year. In contrast, although the temperature is also high in some places in southern my country, it can basically be adjusted in time by effective precipitation, and the possibility of extreme high temperature weather is smaller.
The second factor behind the occurrence of hot days in Heilongjiang Province in June is the stable and inactive warm air mass. Wu Ying, the lead forecaster at the Heilongjiang Provincial Meteorological Observatory, said that due to the influence of the warm air mass above, the dry warm air mass in the mainland is stable and less mobile. At the same time, Heilongjiang Province has been mainly sunny recently, and solar radiation has increased, resulting in a significant warming of the atmosphere near the ground, and powerful warm weather. The synergistic effect of air and ground clear-sky radiation caused a wide range of high-temperature weather in Heilongjiang Province.
Wu Ying said that the third reason why Heilongjiang Province is hotter than the south in June is that the province has a relatively high latitude. In summer, places with higher latitudes have longer sunshine hours, and the longer the sunshine hours, the lower the temperature. Naturally, it keeps accumulating and rising.
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