Weather
Pyrocumulonimbus Clouds Fuel Australia Wildfires
San Jose State researchers say the clouds create extreme weather of lightning, downdrafts and fire tornadoes made of flames.

SAN JOSE (KPIX) – Bay Area climate scientists are keeping a close eye on an a never-before-seen phenomenon fueling the wildfires burning in Australia.
Since last September, uncontrolled wildfires have encompassed much of Australia in flames, smoke, and devastation and turned the once rare weather phenomenon of “pyrocumulonimbus” cloud into a regular occurrence.