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A Dose of Winter For The First Weekend of Summer

22 Jun 2019, 1:47 pm

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The calendar says summer, but for the Rocky Mountain states, the forecast says winter. From Big Sky, MT to Breckenridge, CO, the snow has been piling up for the weekend. Locations in the Colorado Rockies saw over a foot of accumulation!

Here’s how it all set up: a dip in the jet stream, known as a trough, allows some unseasonably cool air from Canada to dip south. The trough provided energy for severe storms from the heart of the country to the eastern US. For the high country of the northern Rockies, it meant a chance at summer snow. With temperatures 10-20 degrees below average, snow levels in Montana set up as low as 5000 feet. In Colorado, Winter Weather Advisories will cover elevations above 9000 feet for a few more inches of slushy, wet snow. Impacts will mostly be felt by people enjoying recreational activities in the mountains.

The large low pressure system across the U.S. will slowly move east into early next week. A few flurries may linger into Sunday night, but no significant accumulations are expected.

For WeatherNation, Meteorologist Karissa Klos.

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