The most common weather phenomena wildfires can create include pyrocumulus clouds, fire tornadoes and smoke clouds that cause significant cooling. Fire whirls occur when superheated air near the ...

Cancel anytime. ST. LOUIS — Scientists have long known the thick, billowing smoke clouds that wildfires launch into the atmosphere affect climate change. Now, Washington University researchers ...

fire clouds are grayish or brown because of the ash, smoke, and particulate matter that get swept into the updraft. The tops of these clouds can reach nearly six miles high. Firefighters battle ...

Billowing clouds of Canadian wildfire smoke have transformed blue skies into apocalyptic orange scenes across the eastern United States. But the fuzzy skylines are more than just a bleak sight.

The Line Fire in San Bernardino County threw out so much smoke and heat that it generated "fire clouds"—also known as pyrocumulus or flammagenitus—in the sky above it, which were snapped from ...