A meteorologist took this picture at dinner. Here's his explanation of the stunning cumulonimbus cloud.

This cool time-lapse clip showcases the amazing way cumulonimbus clouds form, shift, grow, and move across the sky, proving that even "ordinary" fluffy clouds are anything but placid.

From towering cumulonimbus clouds that signal severe thunderstorms to the eerie, pouch-like mammatus clouds often associated with turbulent weather, each cloud formation carries unique information.

News Pacific NW Weathercatch: Why the great ‘Cloud 9’ filled our region’s skies late last week Thu., Aug. 18, 2022 Brooding cumulonimbus clouds unleashed a burst of rain, winds, thunder and ...

Large cumulonimbus clouds filled the sky on Monday night ahead of record-setting heat and the first 100 degree day.

Mother Nature put on a display of convection (rising air) over the mountains, lifting moisture rapidly toward an invisible ceiling in the atmosphere.The event ...