Sloppy September storm sprinkles Colorado ski slopes in snow — with one resort seeing nearly 4 inches

Lucas Herbert/Arapahoe Basin Ski Area
Snow guns are lined up along the slopes of Colorado ski resorts, but Mother Nature pulled the trigger first this year.
A sloppy, September storm slathered some of the state’s ski slopes with more than an inch of snow early Tuesday. While lower elevations received rain, the snow in the High Country stoked skiers and snowboarders for the coming season.
At Winter Park Resort — which has plans to open as soon as conditions allow — the snow stake camera showed just shy of 4 inches of accumulation Tuesday afternoon. Cameras at the top of Lunch Rock showed a wintry landscape, with the ground covered in white and pine branches sagging under the weight of the snow.
Arapahoe Basin Ski Area, meanwhile, “saw more than just a light dusting,” communications manager Shayna Silverman said in a news release. Silverman estimated that about an inch of snow had accumulated near the top of the mountain by Tuesday afternoon.
A-Basin also has plans to open as soon as conditions allow, but Silverman noted that it’s not quite time for the ski area to fire up its snow guns — which it deployed across the mountain earlier this month — for the season.
“We did not turn the snow guns on today,” Silverman said. “While it’s good enough for Mother Nature to snow, it wasn’t quite the right conditions for snowmaking.”
Prime snow-making conditions begin at a “wet-bulb temperature” of 26 degrees, which takes humidity into account as well the temperature, Silverman said. But “humidity isn’t necessarily helpful for us to make snow,” she said. “Dry air, or low humidity, helps us get a lower wet bulb temperature and we get better quality flakes when the air is drier.”
Loveland Ski Area and Keystone Resort — which are both slated to open as soon as possible — also reported small amounts of snow accumulation on Tuesday, while other ski areas, including Breckenridge, Copper Mountain, Aspen-Snowmass, Vail and Steamboat saw dustings.



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