Avalanche Watch issued December 26 at 5:52AM MST by NWS Salt Lake City UT
AVASLC * WHAT...Heavy snowfall and drifting snow from strong winds will elevate backcountry avalanche danger over the next several days. Very dangerous conditions and HIGH avalanche danger are expected to develop in many areas. * WHERE...The Wasatch Range, the Bear River Range, the Western Uinta Mountains and the Wasatch Plateau. * WHEN...From 6AM MST Thursday to 6AM MST Friday. * IMPACTS...Very dangerous avalanche conditions are expected to develop on many slopes. Avalanches can be triggered on slopes steeper than 30 degrees. They may also be triggered remotely (from a distance) or from below. * ADDITIONAL DETAILS...Avoid traveling on or underneath
Avalanche Warning issued December 26 at 11:07AM MST by NWS Boise ID
The following message is transmitted at the request of the Wallowa Avalanche Center. ...The Wallowa Avalanche Center in La Grande OR has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...Dangerous avalanche conditions exist today in the winter recreation areas out of Halfway, Oregon. Rapid snow loading combined with strong wind will create conditions likely to produce natural and human avalanches. * WHERE...The Southern Wallowas, primarily riding areas near and around Cornucopia, Norway Basin, Fish Lake, and Clear Creek Snopark. * WHEN...in effect from Thu 07:00AM PST until Fri 07:00AM PST. * IMPACTS...Recent heavy snow combined with wind will likely create widespread
Avalanche Warning issued December 26 at 11:02AM MST by NWS Boise ID
The following message is transmitted at the request of the Wallowa Avalanche Center. ...The Wallowa Avalanche Center in La Grande OR has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...Dangerous avalanche conditions exist today in the winter recreation areas out of Halfway, Oregon. Rapid snow loading combined with strong wind will create conditions likely to produce natural and human avalanches. * WHERE...The Southern Wallowas, primarily riding areas near and around Cornucopia, Norway Basin, Fish Lake, and Clear Creek . * WHEN...in effect from Thu 07:00AM PST until Fri 07:00AM PST. * IMPACTS...Recent heavy snow combined wtih wind will likely create widespread
Avalanche Watch issued December 26 at 6:10AM MST by NWS Pocatello ID
AVAPIH * WHAT...Avalanche watch. The avalanche danger is HIGH. Heavy snowfall and drifting by strong winds will elevate backcountry avalanche danger over the next several days. * WHERE...Bear River Range in southeast Idaho. * WHEN...Until 6 AM MST Friday. * IMPACTS...Very dangerous avalanche conditions are expected to develop on many slopes. Avalanches can be triggered on slopes steeper than 30 degrees. Avalanches could be triggered remotely (from a distance) or from below.
Avalanche Watch issued December 26 at 9:37AM MST by NWS Great Falls MT
AVATFX THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE GALLATIN NATIONAL FOREST AVALANCHE CENTER. BACKCOUNTRY AVALANCHE WATCH IMMEDIATE BROADCAST REQUESTED 10:00 MST Thu Dec 26 2024 The Gallatin NF Avalanche Center in Bozeman has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: Madison and Gallatin Mountain Range Zone * WHAT...Conditions are developing that will cause the avalanche danger to rise to HIGH by tomorrow. * WHERE...The Centennial Mountains near Island Park, Idaho; the Lionhead area near West Yellowstone, MT; and the southern Madison and southern Gallatin Mountain Ranges. * WHEN...In effect from Thu 10:00 MST to Fri
Avalanche Watch issued December 26 at 9:34AM MST by NWS Pocatello ID
AVAPIH * WHAT...Avalanche watch. The avalanche danger is expected to rise to HIGH by Friday. * WHERE...The Centennial Mountains near Island Park. * WHEN...Today 10 AM through Friday 5 AM. * IMPACTS...Heavy snowfall is expected to overload pre-existing weaknesses in the snowpack and create very dangerous avalanche conditions.
Avalanche Watch issued December 26 at 9:25AM MST by NWS Great Falls MT
AVATFX THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE GALLATIN NATIONAL FOREST AVALANCHE CENTER. BACKCOUNTRY AVALANCHE WATCH IMMEDIATE BROADCAST REQUESTED 10:00 MST Thu Dec 26 2024 The Gallatin NF Avalanche Center in Bozeman has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: Madison and Gallatin Mountain Range Zone * WHAT...Conditions are developing that will cause the avalanche danger to rise to HIGH by tomorrow. * WHERE...The Centennial Mountains near Island Park, Idaho; the Lionhead area near West Yellowstone, MT; and the southern Madison and southern Gallatin Mountain Ranges. * WHEN...In effect from Thu 10:00 MST to Fri
Avalanche Advisory issued December 15 at 6:39AM MST by NWS Salt Lake City UT
SABSLC * WHAT...Heavy snowfall and drifting by strong winds will cause dangerous avalanche conditions to develop this weekend in the mountains of northern Utah. * WHERE...The mountains of northern Utah, including the Wasatch Range, Bear River Range, and the Western Uinta Mountains. * WHEN...Through 6 AM Monday morning. * IMPACTS...Dangerous avalanche conditions will develop on many slopes today. People are likely to trigger avalanches by being on or below slopes steeper than 30 degrees. Avalanches could be triggered remotely (from a distance) or from below. * ADDITIONAL DETAILS...Avoid traveling on or underneath steep north-facing terrain at mid and upper elevations
Avalanche Advisory issued December 14 at 5:54AM MST by NWS Salt Lake City UT
SABSLC * WHAT...Heavy snowfall and drifting by strong winds will cause dangerous avalanche conditions to develop this weekend in the mountains of northern Utah. * WHERE...The mountains of northern Utah including the Wasatch Range, Bear River Range, and Western Uinta Mountains. * WHEN...In effect from 6 AM MST this morning through 6 AM MST Monday morning. * IMPACTS...Pre-existing weak, faceted snow is widespread on northerly-facing slopes at upper and mid elevations, and dangerous avalanche conditions will develop on many slopes. People are likely to trigger avalanches by being on or below slopes steeper than 30 degrees. Avalanches could be triggered
Avalanche Warning issued December 14 at 5:35AM PST by NWS Reno NV
AVWREV The following message is transmitted at the request of the U.S. Forest Service Sierra Avalanche Center. The Sierra Avalanche Center in Truckee has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Reno NV - NVZ002 (Greater Lake Tahoe)...CAZ072 (Greater Lake Tahoe (CA)) * WHAT...HIGH avalanche danger is expected in the backcountry on Saturday, lasting into early Sunday morning. * WHERE...Central Sierra Nevada Mountains between Yuba Pass (Hwy 49) on the north and Ebbetts Pass (Hwy 4) on the south, including the greater Lake Tahoe area. This does not include ski areas and highways where avalanche mitigation programs