The King Fire is now the second costliest and second largest blaze in California this year, and the weather is not helping matters.
While the western U.S. is experiencing a relatively tame wildfire season, the Northern Territories of Canada is in the midst of one of its worst fire seasons on record.
The number of acres burned is more than 50 percent below average.
Pyrocumulus clouds are generated by the intense rising air above a strong heat source, like a wildfire or volcano.
Hundreds of wildfires in Canada and the Pacific Northwest U.S. have generated a plume of smoke traceable as far east as Washington, D.C.
A trend towards more severe wildfires is particularly alarming not only to residents in areas that are prone to burn, but to the companies who insure those in harm’s way.
"Menacing yet mesmerizing" scenes of California's Rim Fire from Yosemite.
Dramatic views of the California blaze, trickling into treasured Yosemite National Park.
The Yarnell Hill wildfire in Arizona and its tragic toll continue to grab headlines, but Colorado remains the state that has suffered the most persistent fire woes this season.
Lightning sparked the deadly Yarnell Hill fire and strong winds, dry air, record heat and severe drought all share in the blame for its fury.