America's highest-elevation tornadoes show twisters can touch down where few expect them

By 
, September 22, 2026 
Category:

A confirmed tornado spinning at 7,500 feet in Utah's mountains is the latest reminder that high-altitude terrain offers no safe harbor from severe weather, and the record books prove it.

Severe thunderstorms rolling through northern Utah on Friday spawned a tornado along a ridge line near Francis Peak in Davis County, east of Fruit Heights. The National Weather Service confirmed the twister touched down shortly after 1:50 p.m. MDT, and video captured the funnel churning across mountainous ground at roughly 7,500 feet above sea level.

No injuries, deaths, or property damage have been reported from the Utah event. But the tornado's elevation puts it in rare company. Mountains generally create conditions hostile to tornado formation, rugged terrain disrupts the low-level wind patterns that spin up twisters on the plains. That tornadoes form at these altitudes at all defies the assumptions most Americans carry about where severe weather strikes.

A Colorado summit holds the all-time U.S. record at 12,600 feet

The highest-elevation tornado ever documented in the United States touched down on May 29, 2021, in Colorado's West Elk Mountains near the summit of Purple Mountain, outside Crested Butte. That landspout reached approximately 12,600 feet, carved a path roughly 0.65 miles long, and stretched 20 yards wide. NWS meteorologists never reached the remote site to conduct an onsite survey, so the twister's EF rating and peak wind speed remain undetermined. CO Storm Chasers and the NWS both captured imagery of the event.

The second-highest sits in California. On July 7, 2004, backpacker Scott Newton was hiking west of Mount Williamson in the southern Sierra Nevada when a tornado formed near Rockwell Pass inside Sequoia National Park, at roughly 12,156 feet. Newton photographed the twister from about one kilometer away while severe-sized hail pelted him. The NWS later classified it as an F0 on the original Fujita scale, with an estimated path width of 40 yards. FOX Weather reported that the American Meteorological Society published Newton's photographs and research in a conference paper documenting the event.

Colorado dominates the list, four of the top five events struck the Rockies

Third on the all-time list is a tornado that touched down on July 28, 2012, on the eastern side of Mount Evans, now known as Mount Blue Sky, along Colorado's Front Range. A trained weather spotter near Lincoln Lake watched the twister form at approximately 11,900 feet before it weakened into a funnel cloud. Because it caused no reported damage, the NWS never assigned an official rating.

Fourth is one of the oldest entries. On August 17, 1984, a tornado struck near Longs Peak in Rocky Mountain National Park in northern Colorado at 11,400 feet. Limited information survives about that event beyond its elevation and location.

Rounding out the top five is the most recent major entry before the Utah twister. On September 13, 2025, a tornado developed along the northern slopes of Sawtooth Mountain in Colorado at approximately 11,300 feet. The NWS rated it EF1, estimating peak winds at 88 mph. It cut a path 0.85 miles long and 95 yards wide over roughly five minutes. Meteorologists identified a swath of tree damage across the mountainous terrain. Saguache County Emergency Management and the NWS both documented the aftermath. No one was injured.

88 mph winds and snapped trees above 11,000 feet

The Sawtooth Mountain tornado stands out for the detail the NWS was able to gather. At 88 mph estimated peak winds, the EF1 rating placed it well above the threshold for significant tree damage, and meteorologists confirmed exactly that across the slopes. Five minutes of ground contact at nearly two miles above sea level is not a statistical curiosity. It is a weather event capable of real destruction in terrain most people associate with hiking trails and thin air, not funnel clouds.

The Utah tornado near Francis Peak, while lower in elevation than any of the top five, still formed at 7,500 feet, well above the flatland corridors of Tornado Alley where Americans expect severe weather. Davis County sits along the Wasatch Front, a populated stretch of northern Utah where mountain storms can develop quickly and move into communities with little warning.

Remote terrain leaves gaps in the record

One pattern runs through nearly every entry on the list: the places where these tornadoes form are difficult to reach, and that limits what forecasters can learn. The 2021 West Elk Mountains tornado was never surveyed on the ground. The 2004 Rockwell Pass twister was documented only because a lone hiker happened to be carrying a camera. The 1984 Longs Peak event left behind almost no usable data at all.

For the Utah tornado, key details remain unknown. The NWS has not publicly released an EF rating, wind speed estimate, or path dimensions. No byline or publication date accompanied the original reporting, and the identity of whoever captured the viral video has not been disclosed.

What is clear from the record is that mountainous terrain slows tornado formation, it does not prevent it. Rugged topography disrupts the organized low-level rotation that fuels most plains twisters, but severe thunderstorms at altitude can still produce enough spin to put a funnel on the ground. Every entry on this list proves it.

Americans who live in or visit mountain communities would do well to take tornado warnings as seriously at 7,500 feet as they would in Oklahoma. Nature does not check the elevation sign before it starts spinning.

About Charles McAdams

STAY UPDATED

Subscribe to our newsletter and receive exclusive content directly in your inbox