2010-11 Ski Season Summary

The following major weather patterns affected the ski season.
October and early November: Widepread late October and early November storms moved from the Pacific Northwest through the U.S Northern Rockies and into northern Utah and Colorado. Most areas in these regions had strong starts and some advanced their opening dates.
Mid-November: A fairly strong but cold storm hit California, Utah and most of Colorado, leading to outstanding early conditions in the latter 2 regions affected by both early storm patterns.
Thanksgiving to mid-December: Storm patterns were similar to a month prior, mostly in the Pacific Northwest, U.S Northern Rockies and northern Utah and Colorado.
3rd week of December: A very intense storm hammered California, Utah and western Colorado, with lesser amounts in adjacent regions.
Christmas to early January: Light snow in all regions, heaviest in the Pacific Northwest.
Most of January to early February: Snowfall was concentrated in western Canada. Most of the U.S. West was in drought mode with well under half normal snowfall. U.S. snowfall was closest to normal near to Canada and in Front Range Colorado.
Mid-to-late February: Snowfall was strongest all along the West Coast and in Utah and central Colorado, with moderate snow in adjacent regions.
First half of March: Snowfall was strongest in the Pacific Northwest and western Canada, with moderate snow in adjacent regions.
Second half of March: These were the most widespread storms of the season. Virtually all western regions except the far Southwest received at least double normal snowfall.
April: Storm patterns were similar to early season, mostly in the Pacific Northwest, U.S Northern Rockies and northern Utah and Colorado. But intensity was stronger, as those regions had double normal snowfall for the entire month.
May: May was similar to an average April in terms of both temperature and snowfall throughout the West.
The expected strong La Nina snowfall pattern was present in early November, early December, early March and most of April. But as noted below most of the snowfall records were in California and along Colorado's I-70 corridor. For more detail on snow incidence by month and region, see 2010-11 Ski Season Analysis.

2010-11 SKI SEASON SNOWFALL SUMMARY
               
RECORD HIGH (10 Years Minimum)   6+ Powder RECORD HIGH (10 Years Minimum)     6+ Powder
Mammoth Mtn, Calif. 9,600 or 8,900 653 29%          
Mt. Bachelor, Ore. 6,350 630 25%          
Kirkwood (Carson Pass), Calif. 8,526 802 36%          
Park City 2, Utah 9,300 411 17%          
Loveland, Colo. 11,200 540 19%          
Heavenly Valley, Calif. 8,400 523 24%          
Arapahoe Basin, Colo. 10,820 465 14%          
Squaw Valley, Calif. 6,200 494 21%          
Vail, Colo. 11,250 524 20%          
Squaw Valley, Calif. 8,000 783 34%          
Copper Mtn, Colo. 11,000 390 15%          
Breckenridge, Colo. 11,100 519 21%          
Keystone, Colo. 11,641 375 14%          
Northstar, Calif. 7,800 545 25%          
               
HIGH       HIGH      
Central Sierra Snow Lab - Boreal, Cal. 7,200 628 28%   Whiteface (Lake Placid), N. Y. 3,660 232 Dec.-Mar. 13%
Crater Lake (Mt. Bailey), Ore. 6,800 581 24%   Monarch, Colo. 270 Dec.-Mar. 16%
Jackson Hole, Wyo. 8,250 539 20%   Crested Butte, Colo. 10,150 242 Dec.-Mar. 14%
Bear Valley, Calif. 7,750 567 25%          
Alta, Utah 8,650 724 26%          
Lake Louise, Alb. 6,700 220 9%          
Alpine Meadows, Calif. 7,000 641 28%          
Sunshine Village, Alb. 7,028 324 13%          
Gothic, Colo. 9,400 498 21%          
Cannon Mt., N. H. 1,800 248 13%          
Grand Targhee, Wyo. 8,200 614 22%          
Whistler Roundhouse, B. C. 6,000 607 26%          
Steamboat, Colo. 9,200 508 18%          
Jupiter Bowl, Utah 10,000 503 21%          
Mt. Hood Meadows, Ore. 5,400 620 24%          
Red Mt. Pass, Colo. 11,090 430 17%          
Mt. Baker, Wash. 4,300 857 38%          
Snow Basin, Utah 7,700 399 15%          
Sugar Bowl, Calif. 7,000 689 32%          
Brighton/Solitude, Utah 9,400 689 26%          
Aspen Highlands, Colo. 11,100 321 13%          
Big Mountain, Mont. 6,700 425 17%          
Beaver Creek, Colo. 11,200 423 16%          
Crystal Mtn 2, Wash. 6,100 581 23%          
Whitewater, B. C. 5,500 499 20%          
               
ABOVE AVERAGE       ABOVE AVERAGE      
Sugarloaf, Maine 3,695 184 9%   Sun Peaks, B. C. 6,100 149 Dec.-Mar. 8%
Mt. Rainier Paradise, Wash. 5,420 789 27%   Aspen Mtn, Colo. 11,190 197 Dec.-Mar. 11%
Mt. Fidelity (Selkirks), B. C. 6,150 523 24%   Schweitzer, Idaho 4,700 247 Dec.-Mar. 14%
Snowbird, Utah 10,000 560 18%   Snowmass, Colo. 11,000 244 Dec.-Mar. 14%
Southern California Composite 7,000 - 8,000 156 8%          
Mary Jane at Winter Park, Colo. 10,800 414 15%          
Jay Peak, Vt. 3,000 344 19%          
Big White, B. C. 6,200 308 13%          
Sugarbush, Vt. 3,000 308 17%          
Brundage, Idaho 6,000 373 16%          
Stratton, Vt. 3,875 209 11%          
Fernie, B. C. 5,400 420 17%          
Arizona Snowbowl 2, Ariz. 10,800 263 12%          
Brian Head, Utah 9,770 373 14%          
Smuggler's Notch, Vt. 1,600 340 18%          
Stevens Pass, Wash. 4,061 540 24%          
Sun Valley, Idaho 8,800 250 10%          
Mt. Rose, Nev. 8,600 464 22%          
Bridger Bowl, Mont. 7,100 357 14%          
Wolf Creek, Colo. 10,642 443 17%          
Castle Mt., Alb. 5,700 335 13%          
Telluride, Colo. 11,170 288 9%          
               
BELOW AVERAGE       BELOW AVERAGE      
Killington, Vt. 4,142 247 13%   Purgatory, Colo. 10,000 181 Dec.-Mar. 10%
Stowe, Vt. 3,950 218 11%   Red Mt. 2, B. C. 6,650 198 Dec.-Mar. 11%
Mt. Washington, N. H. 6,262 237 9%          
Snowshoe, W. V. 4,848 159 8%          
Okemo, Vt. 3,300 132 7%          
Arizona Snowbowl 1, Ariz. 9,500 168 7%          
Waterville Valley, N. H. 3,000 123 6%          
Le Massif, Que. 2,600 225 9%          
               
LOW       LOW      
Taos, N. Mex. 11,200 172 7%          
Alyeska, Alaska 1,400 355 13%          
               
RECORD LOW (10 Years Minimum)       RECORD LOW (10 Years Minimum)      
None              

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