In the history of California wildfires there has never been anything like it: A churning tornado filled with fire, the size of three football fields. An official report describes in chilling detail ...

A large wildfire burning across three eastern Sierra Nevada mountain counties exploded into a highly dangerous fire tornado Saturday, around the time federal forecasters issued a dire and unusual ...

Urban smog and industrial emissions are amplifying the intensity of fire tornadoes in major wildfire zones, with scientists warning that polluted air is contributing to atmospheric conditions that ...