Bollettino valanghe

Mt Hood

Northwest Avalanche Center
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In sintesi

The snowpack is generally stable and avalanches remain unlikely. Snow surfaces may take longer to soften Wednesday with strong winds and cloudy skies through mid-day. Be prepared for icy travel conditions especially in the morning hours and at upper elevations.

Avalanche Discussion

The last significant storm brought 8-10in of snow from January 30 to February 2. Since then, warm, sunny days and cool clear nights allowed the snowpack to resume another prolonged diurnal melt-freeze cycle reminiscent of the springtime. Avalanche concerns are very limited anywhere you find firm and frozen snow surfaces. As the snowpack thaws throughout the day, small wet loose activity and cornice fall may continue on the steepest, sunniest slopes. But, the warm-up will be delayed Wednesday with strong winds and less sunshine before a calm and mostly clear afternoon. A wet avalanche cycle has largely run its course, but consider avoiding consequential terrain late in the day where you find wet, slushy snow. 

Observers over the weekend on Mt Hood and Mt Adams reported no new avalanches and variable travel conditions. Many wind-scoured ridgelines have melted out to bare ground, and creeks have opened up. Outside of these areas, the snowpack has been resilient to the unseasonably warm weather, and snow depths for this time of year are still near climatological averages. With good timing on sunny days, corn-like riding can be found on southerly slopes. Some weak snowpack structure may exist near the surface on northerly aspects at upper elevations but does not pose an avalanche concern for the time being. The mid and lower snowpack is consolidated and strong with no layers of concern.

The warm, sunny weather looks to continue for the rest of this week. If you head out into the mountains, several non-avalanche hazards are worth keeping on your radar: 

  • Expect firm and icy surfaces, especially in the morning hours and above the treeline. Bring the necessary tools to travel safely and arrest a fall. 
  • Rockfall and rime-ice fall continue. Be heads up for rockfall below steep, melted-out canyon walls. 
  • Creeks are open and flowing and many snow bridges have collapsed or melted out. 

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