Thunderstorms form from rising air currents. Air is forced from near the ground to higher elevations in the atmosphere. This rising air expands and cools off. The colder air can't hold the original ...
JOHNSON CITY, Tenn. (WJHL) — One minute, the skies are sunny. The next, towering clouds build overhead and a heavy downpour moves through before disappearing just as quickly. These “pop-up” ...
A funnel cloud was spotted in western Maine while a severe thunderstorm warning was active in the area Thursday night, ...