Denver International Airport tornado rated EF-1

DENVER - The tornado that touched down at Denver International Airport on Tuesday was an EF-1.

The Enhanced Fujita scale rates tornadoes on a scale of zero to five, based on wind speed and damage.

An EF-1 tornado has wind gusts of 65-85 mph, The peak gust hit 97 mph, according to the 24/7 Weather Center.

The tornado touched down east of the airport around 2:22 p.m., sending about 10,000 travelers on the concourse, on planes and in the terminal scrambling to get into tornado shelters.

"It didn't move, it hardly looked like it was moving at all," said 7NEWS Photographer and Storm Chaser Cory Reppenhegen. "It was fairly solid, it wasn't roping, but it was pointed straight down, kinda like a drill bit. But there was not a lot of material in the funnel. It might have been just kicking up the topsoil."

The tornado was moving northeast, at roughly 5 mph, before it lifted, weakened and then dissipated, Reppenhegen said.

No injuries or damage were reported. The tornado was on the ground for at least 5-10 minutes, according to 24/7 Meteorologist Matt Makens.

Nine flights from Frontier, Southwest, Delta, Air Canada, and United Express were diverted to nearby airports in Colorado Springs, Amarillo, and Cheyenne, the airport said.

The all-clear was sounded at the airport around 2:45 p.m. The airport resumed normal operations around 3 p.m.

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