Which of the following statements are true with respect to thunderstorms?

A. Thunderstorms are common features in the weather of high latitudes

B. The normal lapse rate should be greater than adiabatic rate of temperature change for thunderstorms to occur

C. The greater the instability of warm and moist air, the greater the intensity & duration of thunderstorms

D. There should be moist and stable air

Choose the correct answer from the options given below: