What is a frontal thunderstorm?


Quick Answer

Frontal thunderstorm are storms that develop at the boundary or front of two different masses of air. This means frontal thunderstorms depend less on the season of the year compared to the thermal thunderstorms.

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Full Answer

Along cold fronts, air movement occurs wherein the cold air, which is much denser, pushes the warm air up, creating an unstable occurrence in the troposphere. Frontal thunderstorms that are preceded by strong cold fronts arrive with an array of dark cumulonimbus clouds. Frontal thunderstorms, although less violent, occur over larger areas compared to thermal thunderstorms, and most of the time, frontal thunderstorms produce torrential rain that falls for a couple of hours across a territory of hundreds of miles.

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