Cumulonimbus clouds can grow to lofty altitudes of 40-60,000 feet or higher. These thunderstorm-generating giants extend well into the upper troposphere and bump up against the quasi-permanent temperature inversion of the tropopause, forcing the notorious anvil shape. This also gives them access to the global dispersion system that is the jet stream.
Dark And Dirty Storm Clouds
Pyrocumulonimbus clouds (pyroCB’s) are fire-induced thunderstorm clouds which carry smoke and particulates high into our atmosphere above intense wildfires. David Peterson, Ph.D., a meteorologist with the Naval Research Laboratory (NRL) notes, “They act like giant chimneys, rapidly accelerating smoke particles high into the atmosphere. They’re among the darkest, dirtiest, storm clouds you’ll ever see.”
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Source www.theweather.com
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