Safety Week: Avalanche Forecasting

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Bob Comey is the head avalanche forecaster for both Jackson Hole Mountain Resort and the Bridger-Teton Avalanche Center. Under his purview are thousands of acres of avalanche-prone terrain enthusiastically accessed by one of the most aggressive and active backcountry ski and snowboard user groups in the country.

Exum guide Dan Corn performing an extended column test. An ECT is just one of many tools to better understand the snowpack. Max Ritter photo.

Bob and his crew at the BTAC forecast the avalanche hazard for Jackson Hole Mountain Resor, the greater Teton Range, including Grand Teton National Park, as well as for the Continental Divide/Togwotee Pass area and the Greys River Range. Shadow a day in the life of Bob Comey and check your local avalanche bulletin from the list below.

Bob Comey checks snow density, one of the many factors that goes into avalanche forecasting.


National Avalanche Center P.O. Box 130 Bozeman, MT 59771


Chugach NF Avalanche Center P.O. Box 129 Girdwood, AK 99587


Northwest Avalanche Center 7600 Sand Point Way NE Seattle, WA 98115


Mt Shasta Avalanche Center 204 West Alma Street Mount Shasta, CA 96067

Sierra Avalanche Center 10811 Stockrest Springs Rd Truckee, CA 96161

Bridgeport Avalanche Center Box 1000 Bridgeport, CA 93517


Idaho Panhandle Avalanche Center PO Box 405 Ponderay, ID 83852

Payette Avalanche Center PO Box 2177 McCall, ID 83638

Sawtooth Avalanche Center 206 Sun Valley Road Sun Valley, ID 83353


Flathead Avalanche Center 10 Hungry Horse Drive Hungry Horse, MT 59919

West Central Montana Avalanche Center PO Box 72 Missoula, MT 59806

Gallatin National Forest Avalanche Center PO Box 130 Bozeman, MT 59771


Bridger-Teton Avalanche Center PO Box 424 Teton Village, WY 83025


Utah Avalanche Center 2242 West North Temple Salt Lake City, UT 84116


Colorado Avalanche Information Center 325 Broadway WS1 Boulder, CO 80305


Mt Washington Avalanche Center 300 Glen Road Gorham, NH 03581


Avalanche Canada

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