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 ...

MIKE MOSS SAYS: Tina, Once a thunderstorm produces a tornado, it becomes severe by default whether it satisfies the other criteria for severe storms (hail of .75 inch or greater diameter and/or wind ...

Take a look at this amazing video out of Wyoming. Storm chasers took the timelapse Sunday night of a supercell thunderstorm forming in the northeast part of the state. Meteorologists know them as "low ...

A daily risk of severe thunderstorms will continue to shift eastward toward the Appalachians in the coming days. The main threat will be from high wind gusts, AccuWeather meteorologists advise. The ...

James Renwick receives climate research funding from the NZ MInistry for Business, Innovation & Employment. The rumble of thunderstorms across the country this week is a noisy reminder that summer is ...