来自MSN

How thunderstorms form

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 ...
A week ago, Milwaukee and much of Wisconsin was slammed by severe weather – and more often than not, the storms rolled ...
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 ...