Thunderstorms are where lightning and thunder occur. They are formed when a cold front moves in and meets a warm front. Also cumulonimbus clouds produce thunderstorms. Cumulonimbus clouds are formed when there is enough upward motion, and enough moisture in the air to produce a deep cloud that can reach temperatures lower than freezing. Mostly these conditions are met in the summer.
Lightning occurs between 15,000- 25,000 ft. above sea level.…
