Investigation of Electrification Mechanisms and Relationship betweenthe Electrical Discharge Frequencyand Radar Characteristics of the Thunderstorm in China
2020
The development of a thunderstorm cell in the
Beijing area according to the results of numerical modeling and field
observations is considered. Based on the numerical simulation, it is
shown that the most intense electrification process is the separation of
charges as a result of collisions of hailstones and cloud crystals.
Using the field observations, the relationship between the electrical
and radar characteristics of the cloud was investigated. It is
demonstrated that the highest positive correlation is observed between
the frequency of discharges and the volume of the supercooled part of
the cloud above the 0°C isotherm, and the highest negative correlation
is revealed between the frequency of discharges and the maximum current
in a discharge.
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