Air-mass thunderstorms are the most common and form when weather-system fronts collide.

Question

Quizplus · Accepted Answer

Air-mass thunderstorms form when warm, moist air rises and cools in an unstable atmosphere, without the influence of weather-system fronts. These types of thunderstorms are often short-lived and localized, and typically occur during the summer months in areas with high humidity and temperatures. Thunderstorms that form from weather-system fronts are known as frontal thunderstorms, and tend to be more organized and longer-lasting.

Air-Mass Thunderstorms Are the Most Common and Form When Weather-System