Relationships between Surface-space Weather Elements and Thunderstorm Intensity
LI Wenbin
PAN Zhihao
XU Chunlin
Abstract：The relationships between the intensity of atmospheric electric field during thunderstorms and the accompanying rain intensity,air temperature,relative humidity,and space weather elements(high-ener-gy proton flux,electron flux and indexes of the Earth's magnetic field activity)were analyzed in this paper.The results are shown as follows.Thunderstorms occurred most frequently and with the maximum average in-tensity when there were showers in the range of 0.2 mm≤Rh≤9.9 mm.The temperature of 20 ℃ was the critical point that distinguished weak from moderate or more intense thunderstorms;the probability for mod-erate or more intense thunderstorms to take place was zero when the temperature was less than 20 ℃.When relative humidity was less than 90％,thunderstorms were all weak to moderate in intensity.Under the condi-tions of similar surface meteorological elements,the enhancement of high-energy proton flux and the Earth's magnetic field activity significantly increased the intensity of the atmospheric electric field during thunder-storms.A correction equation was then set up for the thunderstorm electric field to estimate the probability and intensity of thunderstorms so as to increase the accuracy of thunderstorm rain forecasting.
Keywords：surface meteorologyspace weatherthunderstormintensity of atmospheric electric field
Publication Date：2025-02-19
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)