The biggest fire tornado on record occurred during the Carr Fire in Redding, California, on July 26, 2018, with winds exceeding 143 mph and rated EF-3—the strongest ever recorded in the state.
When was the worst fire tornado?
The worst fire tornado in modern history occurred on July 26, 2018, during the Carr Fire in Redding, California, with winds reaching 143 mph and rated EF-3.
Centuries-old accounts suggest fire tornadoes have popped up before, but the Carr Fire’s monster vortex stands out. Earlier events like the 1871 Great Peshtigo Fire might’ve included fire tornadoes, but scientists never measured them. The 2018 Carr Fire’s vortex, though—with its 143 mph winds—left a trail of flattened homes and uprooted trees that earlier storms couldn’t match.
How rare are fire tornadoes?
Fire tornadoes are extremely rare, occurring in only a fraction of wildfires—typically less than 1% of large wildfires produce one.
According to the National Weather Service (NWS), these spinning infernos need very specific conditions: scorching heat, sudden wind shifts, and unstable air. Firefighters and meteorologists keep a close eye on them because they can flip a wildfire’s behavior in minutes. Their rarity makes them hard to study, but their destructive power has pushed researchers to model them more seriously.
How tall are fire tornadoes?
Fire tornadoes can reach heights of 300 to 3,000 feet or more, depending on the intensity of the wildfire and atmospheric conditions.
Take the Carr Fire’s vortex: its swirling column stretched thousands of feet up, tossing burning debris like confetti. The taller the fire’s heat plume, the higher the vortex climbs. Small fire whirls—like the ones you see at campfires—might only rise a few stories. But the monsters tied to megafires like Carr? They punch into the sky like natural chimneys.
How fast can a fire tornado spin?
The fastest fire tornado on record spun at 143 mph during the Carr Fire in Redding, California, on July 26, 2018.
Wind speeds in these vortices vary wildly, but Carr’s 143 mph reading is the highest ever confirmed. Anything over 65 mph gets an EF-3 rating—the “severe” damage threshold. At those speeds, the tornado can fling cars, flatten houses, and spark new fires by raining embers miles away. The spin comes from the fire’s intense heat meeting shifting winds above.
What is the most destructive part of a tornado?
The updraft—the upward force within the tornado’s funnel—is the most destructive part, capable of lifting vehicles, houses, and large debris hundreds of feet into the air.
The updraft doesn’t just pull stuff up—it creates a vacuum effect that sucks everything toward the tornado’s core. That’s why you see entire roofs peeling off or trees snapping mid-air. The Enhanced Fujita Scale, which rates tornado strength by damage, focuses heavily on what the updraft does to buildings. The worst tornadoes (EF-4 and EF-5) owe their destruction to these monstrous upward forces.
What’s a derecho storm?
A derecho is a widespread, long-lived windstorm associated with a band of rapidly moving severe thunderstorms, producing straight-line winds of at least 58 mph across a path longer than 250 miles.
Derechos mostly crash through the U.S. in late spring and summer, especially in the Midwest and Great Lakes. The name comes from the Spanish word for “straight,” which makes sense—these storms don’t rotate like tornadoes. Instead, they blast entire regions with hurricane-force winds. The worst ones can hit 100+ mph, leaving downed power lines and flattened crops in their wake.
What was the first fire tornado?
The first scientifically documented violent fire tornado occurred during the 2003 Canberra bushfires in Australia, rated F3 on the Fujita Scale.
Sure, fire whirls have probably happened for centuries, but Canberra’s 2003 vortex was the first one studied in detail. It tore through neighborhoods with winds strong enough to flip cars and tear roofs off. That event changed how scientists view fire tornadoes, sparking more research and better forecasting tools. Before 2003, these vortices were basically a mystery.
Is a Firenado real?
Yes, a firenado (or fire tornado) is a real meteorological phenomenon that occurs when a wildfire creates a rotating column of air and flames.
A firenado isn’t just a campfire trick. It forms when a wildfire’s heat creates a rising column of air that starts spinning. The spin tightens into a tornado-like structure, pulling flames and ash into a deadly spiral. The National Weather Service even issued its first fire tornado warning in 2018 during the Carr Fire. These things are most likely to pop up in hilly areas where winds can help the rotation.
What do u call a fire tornado?
A fire tornado is most commonly called a fire whirl, but it may also be referred to as a fire devil, firenado, fire swirl, or fire twister.
All these names describe the same terrifying event: a spinning column of fire and ash. Some are tiny—just eddies in a bonfire’s smoke. Others, like the Carr Fire’s vortex, are massive and self-sustaining. They form when rising hot air creates a low-pressure zone, pulling in cooler air and starting the spin. The faster it goes, the more it feeds the fire below.
Why are fire tornadoes rare?
Fire tornadoes are rare because they require a precise combination of extreme heat, atmospheric instability, and wind shear—conditions that rarely align during wildfires.
For a fire tornado to form, the fire’s heat has to overcome stable air above it, and the winds need to twist just right. Even when the conditions align, the vortex might only last minutes before the fire’s behavior shifts. Climate change could make these events more common, but for now, they’re still a rare and unpredictable nightmare for firefighters.
How long does a tornado last?
Tornadoes typically last from a few seconds to over an hour, with most lasting less than 10 minutes.
A tornado’s lifespan depends on its size and the weather around it. The big, violent ones (EF-4 or EF-5) can run for an hour or more, carving long paths of destruction. Smaller tornadoes, like landspouts or gustnadoes, might vanish in minutes. The longest-lived tornado on record—the 1925 Tri-State Tornado—lasted about 3.5 hours, but modern research suggests it might’ve been multiple tornadoes in a row rather than one continuous monster.
What makes a fire tornado spin?
A fire tornado spins due to the combination of rising hot air from the fire and wind shear, which imparts rotation to the air column.
The fire’s heat creates a powerful updraft, pulling air upward. If the winds at different altitudes are blowing in different directions or speeds (that’s wind shear), the rising air starts to rotate. The rotation tightens as more air gets pulled in, forming a visible vortex of flames and ash. The spinning motion feeds the fire, creating a feedback loop that can sustain the tornado for minutes or even longer.
What is a Snownado?
A snownado is a rare winter weather phenomenon where wind shear creates a small, rotating column of snow particles lifted from the ground.
Snownados—also called “snow devils” or “snow whirls”—usually pop up on sunny winter days when the ground is blanketed in snow but the air is calm. A passing breeze can create a tiny vortex that lifts snow into the air, forming a visible swirl. These things are usually weak, with winds under 30 mph, and they vanish quickly. You’re most likely to spot one on a frozen lake or an open field where nothing blocks the wind.
Can you stop a tornado with a bomb?
No, it is not possible to stop a tornado with a bomb, as the energy of a tornado far exceeds that of any conventional or nuclear explosive.
A tornado’s energy dwarfs even a nuclear blast, so a bomb wouldn’t just fail to stop it—it could make things worse by scattering fire, debris, and hazardous materials over a wider area. The National Oceanic and Atmospheric Administration (NOAA) strongly advises against trying. Instead, the focus should be on early warnings and preparedness to keep people safe when these monsters strike.
Edited and fact-checked by the MeridianFacts editorial team.