But for a few firefighters this month, tumbleweeds briefly became a real danger.
On March 13, personnel from the U.S. Fish and Wildlife Service, the Forest Service, and three local fire departments were conducting a prescribed burn at Rocky Mountain Arsenal when a fire whirl swept up thousands of loose tumbleweeds.
Primed with several dumpsters' worth of the dried plants, the whirl -- a miniature flaming tornado formed when a dust devil draws in burning debris and gas from a wildfire -- broke the crews' lines, scorching an extra acre of grassland.
Luckily for those of us who don't plan on going anywhere near a flaming hell-vortex anytime soon, Thomas Rogers, a firefighter with South Metro Fire Rescue Authority, caught the incident on camera. We've posted the video below:
Meanwhile, the tumbleweed invasion continues in Colorado. Read on for some of our favorite Instagram photos.
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