Severe thunderstorm warning hits Summit County with 60 mph winds, hail
A fast-moving storm near Big Cottonwood Canyon threatened Park City, Kimball Junction and the Snyderville Basin with 60 mph winds, hail and torrential rain.
A severe thunderstorm warning hit southwestern Summit County Thursday afternoon as a storm near Big Cottonwood Canyon, about 7 miles west of Park City, moved east at 20 mph. The National Weather Service in Salt Lake City warned of 60 mph wind gusts, quarter-size hail and radar-indicated hail measuring 1.00 inch, with torrential rainfall that could trigger flash flooding.
The warning covered east central Salt Lake County, northwestern Wasatch County and southwestern Summit County until 4:15 p.m. MDT. It included Park City, Summit Park, Kamas, Oakley, Francis, Wanship, South Snyderville Basin, North Snyderville Basin, Mill Creek Canyon, Samak, Big Cottonwood Canyon, Little Cottonwood Canyon, Alta, Peoa, Brighton, Parleys Summit, Woodland, Snyderville, Kimball Junction and Marion. The alert also covered stretches of Interstate 80, U.S. Route 40, Utah Route 35 and Mirror Lake Highway.
Meteorologist Dan Pope circulated radar imagery as the storm pushed through the Wasatch Back. Main hazards included damage to vehicles, roofs, siding and trees, and people were urged to move to an interior room on the lowest floor and stay off flooded roads.
Summit County was already under heightened fire concern. The county raised its fire danger level to Extreme on June 24 and put all state and unincorporated lands under Stage 1 fire restriction. The National Weather Service Salt Lake City office also issued a particularly dangerous situation red flag warning, the first elevated red flag warning it had ever issued.
Lightning and a train sparked three small fires in Summit County on Thursday and Friday, but all stayed under an acre.
Summit County offers emergency alerts through Everbridge by app, text, phone and email for weather emergencies, road closures, evacuation notices and other critical information.
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