https://freerepublic.com/tag/pyrocumulonimbus/ en-us Sun, 18 Aug 2019 02:31:38 GMT Focus Forum 15 https://freerepublic.com/focus/f-chat/3772572/posts  You’ve seen billowy cumulus clouds and wispy cirrus clouds, but odds are you’re not too familiar with fire clouds. Even scientists know less than what they'd like to about so-called pyrocumulonimbus (pyroCb) clouds, which form when wildfires and agricultural fires unleash enough heat and moisture into the atmosphere to produce storms.That changed on Aug. 8, when NASA’s airliner-turned-flying laboratory took to the skies over Washington state and flew a team of scientists straight into a pyrocumulonimbus cloud that had formed high over a wildfire in the eastern part of the state.MORE AT LINK nbcnews.com https://freerepublic.com/focus/f-chat/3772572/posts#comment Sun, 18 Aug 2019 02:31:38 GMT