BISMARCK, N.D. (KFYR) - Last week was Severe Weather Awareness week, which covered topics from severe thunderstorms to tornadoes to extreme heat and fire danger. One question that may remain is: How ...

How do harmless puffy white clouds grow into towering, potentially dangerous cumulonimbus thunderstorms? On their surface, clouds appear to be an odd contradiction of nature — light enough to float on ...

LANSING, Mich. (WLNS) — It has been a stormy start to the summer here in Mid-Michigan. What causes thunderstorms to form in the first place?

The rumble of thunderstorms across the country this week is a noisy reminder that summer is arriving—and with it, the mix of heat, humidity and unstable air that fuels these bursts of wild weather.