What are the top ten climate events in Henan? Summary of the top ten climate events in Henan
4hw.com.cn: if you want to use the weather to connect 2018 in Henan, what events will emerge in your mind? On December 28, Henan Meteorological Bureau held a press conference to announce the top ten weather and climate events in Henan in 2018. Typhoon 'winbia' in August, cold wave blizzard in January and freezing injury in early April have become the top three events in Henan's memory in 2018
In addition, according to relevant persons from the Provincial Meteorological Bureau, as of December 27, the temperature in the province was significantly high, and the precipitation and sunshine were normal. The annual average temperature of the whole province is 15.8 ℃, 1.0 ℃ higher than that of the whole year; The average precipitation is 737.4 mm, close to the same period of the year; The average sunshine duration is 1990.9 hours, 10.3 hours more than that of the whole year.
Strongest precipitation
Typhoon 'winbia' ranks first among the top ten weather and climate events in Henan. From August 17 to 19, under the influence of 'wenbia', the province experienced the strongest precipitation process in the flood season this year, a large-scale rainstorm occurred in the east of Beijing Guangzhou line, and a severe rainstorm occurred in Shangqiu and Zhoukou. The daily precipitation of 8 national meteorological stations exceeded the historical extreme value since the establishment of the station, and serious urban and rural waterlogging occurred in Shangqiu, Zhoukou and other places.
Maximum Blizzard
From January 3 to 5, there was a blizzard of more than 10mm in most parts of the province, and a blizzard of more than 20mm in most parts of central and southern China, including a severe blizzard of more than 30mm in some counties and cities in Xinyang, Zhumadian and Nanyang. The daily snowfall of 12 stations in the province exceeded the historical extreme value in the same period in January since the establishment of the station. The snow cover in southern Henan is more than 20 cm, and the maximum of Jigong Mountain is 41 cm.
Strongest regional high temperature
This summer, the average number of high temperature days in the province was 25.7 days, 13.6 days more than the same period in the whole year, the fifth since 1961. From July 15 to 26, the strongest regional high temperature weather process occurred in our province this year. Among them, the high temperature coverage and intensity were the largest on July 25, and the average maximum temperature in the province reached 38.0 ℃.
Maximum long-term large-scale haze
From November 24 to December 3, the province experienced the longest duration of large-scale severe haze in the year. The air pollution in the north and Middle East of our province is serious. The days of severe and above pollution are as long as 7 ~ 9 days, and there is serious pollution for 1 ~ 2 days. On November 28, the air quality index of Zhengzhou reached 420, the highest among the 18 provincial cities in the province.