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 in the
backcountry. Carry and know how to use avalanche rescue
equipment.