Will it thunder after the cold dew in Beijing?

After the cold dew, it means the arrival of cold. When clouds with the same charges collide with each other, their charges accumulate more and more, and the electric field to the ground becomes stronger and stronger. When the temperature decreases, the friction of the charge in the cloud decreases. Thunderstorms in northern provinces and cities are mainly concentrated in June, July and August, followed by spring, autumn and winter. Thunderstorm weather process occurs after cold dew, which is rare. Lightning and thunder after cold dew are rare, but they are not unusual.