2nd highest altitude twister ever recorded, touches down in Colorado

Wednesday, August 1, 2012
By Paul Martin

August 1, 2012

COLORADO – A twister that touched down in Colorado’s high-country on Saturday is estimated to be the second-highest tornado ever recorded in the U.S. by the National Weather Service. There were four different reported sightings of the high-altitude hit the northeast side of Mount Evans — a prominent mountain located about 60 miles west of Denver. The National Weather Service estimates the tornado’s touched down at about 11,900 feet in elevation. Bob Glancy, a National Weather Service meteorologist in Boulder, Colo., told NBC News that this tornado above the treeline is ‘not unheard of,’ but ‘just unusual.’ Most tornadoes in high terrain are weak, he said. For the last two decades, Colorado has averaged 50 tornadoes a year. But Glancy said the ‘vast majority’ occur on the plains east of Interstate 25. Colorado Springs resident Josh Deere told The Denver Post he saw the funnel as he was driving with his family to the top of Mount Evans. “As we drove past it, we were able to look back and had some spectacular views of it as it spun and then eventually broke up as it entered the mountain cove,” Deere told the Post. The highest recorded tornado occurred in 2004, according to Glancy, over Rockwell Pass in California’s Sequoia National Park. That twister was estimated to be at 12,000 to 12,500 feet. –NBC

Jet stream migration continues: The jet stream responsible for tornado-producing wind shear moved farther north into Canada. The result was a burst in tornado activity in the Canadian province of Saskatchewan, which borders Montana and North Dakota. Canada’s official weather office Environment Canada reported between 26 and 31 tornadoes in Saskatchewan, more than double the province is used to seeing in July. On July 24, five tornadoes hit Saskatchewan in one day. -Accuweather See the book The 7th Protocol for what’s aggravating the planet’s jet stream

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