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Subj: Avalanche Fcst - Mt Hood, Oregon
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Backcountry Avalanche Forecast

Mt Hood

Issued
Saturday, December 24, 2022 - 6:00PM
Expires
Sunday, December 25, 2022 - 6:00PM 

THE BOTTOM LINE

You can trigger wet snow avalanches on steep slopes greater than 35 degrees. 
Give all steep slopes some space until cooler weather arrives. Donâ€Öt let the 
avalanche grinch ruin your Christmas!

Avalanche Danger

Sunday, December 25, 2022

Above Treeline 3 - Considerable
Near Treeline  3 - Considerable
Below Treeline 3 - Considerable 

Avalanche Problem #1

Sunday will be the 3rd day with above freezing temperatures and lingering light 
rain, which will continue to weaken the snowpack around Mt.Hood. Liquid water 
will percolate deeper into our snowpack, potentially flowing into older weak 
layers. Prior to this storm layers of buried surface hoar existed 1-2 ft below 
the snow surface . Human triggered wet slab avalanches remain likely. Wet slabs 
are notoriously hard to forecast  and manage. So increase your safety margins 
and avoid traveling in areas where avalanches can start, run, and stop. 

Wet slabs may not be the only problem you may encounter. Other wet snow 
avalanche problems, such as wet loose or glide avalanche problems are worth 
considering. Several days of warm temperatures and rain can do weird things to a 
snowpack, especially since we just had a dry snowpack with known weak layers 
just a few days ago. 

Forecast Discussion

Rain.…not the Christmas present we were all hoping for.  If you head out, youâ€Öll 
likely encounter wet, manky snow and challenging travel conditions.  As 
previously mentioned, these wet snow avalanche problem are tough to forecast.  
When dealing with these wet snow problems, give yourself extra space from steep 
slopes that can avalanche.  

If you do decide to venture out, let us know what you see by submitting an 
observation on our public observation platform!  

Merry Christmas and thanks for reading!

NNNN


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