Which type of thunderstorm is caused by uneven heating of the ground?

Air Mass Thunderstorms are indeed a direct result of the uneven heating of the earth’s surface. When the ground absorbs sunlight unevenly, it creates varying temperatures which disturb the air above it. As warm, moist air rises due to this uneven heating, it cools and condenses, resulting in the formation of cumulonimbus clouds and potentially leading to a thunderstorm.

This type of thunderstorm typically develops in a relatively unstable air mass and is often short-lived. They are most commonly found during warm months when sunlight creates significant thermal differences, fostering the essential conditions for these storms to form.

In contrast, the other types of thunderstorms listed have different mechanisms. Advection Thunderstorms over Water occur due to the horizontal transport of warm moist air and its interaction with colder air or surfaces. Orographic Thunderstorms arise when moist air is forced to rise over mountains, leading to cooling and condensation. Frontal Thunderstorms develop at the boundaries of air masses with different temperatures and moisture levels. Each of these types has unique characteristics and causes, highlighting the specific role that uneven heating plays in Air Mass Thunderstorm formation.