What conditions are favourable for the formation of thunderstorms?

Question

Question PPL(A) - Private Pilot License - Meteorology

QuizVDS · Accepted Answer

Warm humid air, conditionally unstable environmental lapse rate

QuizVDS · Answer

Calm winds and cold air, overcast cloud cover with St or As

QuizVDS · Answer

Clear night over land, cold air and patches of fog

QuizVDS · Answer

Warm and dry air, strong inversion layer

Id 101 - PPL(A) EN - What conditions are favourable for the formation of thunderstorms?