Avalanche Watch issued February 22 at 4:25PM MST by NWS Missoula MT

AVAMSO

The following message is transmitted at the request of the West
Central Montana Avalanche Center Missoula MT

…The West Central Montana Avalanche Center Missoula MT has
issued a Backcountry Avalanche Watch…

* WHAT…A warm weather system with potential for high elevation
rain will impact the area Sunday. Avalanche danger will rise
rapidly as the rain line rises in elevation.

* WHERE…The Bitterroot mountains from Lost Trail Pass to Lolo
Pass, The Rattlesnake Zone, and the Seeley Lake area.

* WHEN…In effect until 700 AM MST Sunday.

* IMPACTS…Heavy snowfall and rain may result in widespread areas
of unstable snow. Larger wet slab avalanches could fail in north
facing terrain which have potential to run down into areas not
normally associated with avalanches.