Date Issued
Apr 1, 2025, 11 PM
Valid Until
Apr 2, 2025, 11 PM
Early spring conditions call for careful evaluation of the snowpack throughout the day
Be mindful of overnight refreeze and how quickly it breaks down.
Alpine
Treeline
Below Treeline
Moderate
Low
Low
Alpine
Treeline
Below Treeline
Considerable
Considerable
Moderate
- Back off slopes as the surface becomes moist or wet with rising temperatures.
- A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
- Overhead hazard may not be obvious; evaluate prior to commiting to terrain.
Small loose wet cycle on steep sunny slopes Monday including one natural size 3.0 over a snowshed.
The March 27th crust has added strength to the snowpack but expect natural activity to pick back up during sunny periods or if freezing levels are higher than forecast.
A rain event caused a widespread natural avalanche cycle on Wed. Numerous very large wet avalanches ran down into the valley bottom. These avalanches included the deeply buried January Facets.
10-20cm of surface snow is dry powder on northerly aspects in the alpine. On solar aspects there is a surface crust with up to 5cm new snow on top.
Surface snow sits on a 10-25cm thick crust of variable strength formed by the rain event March 25th. Field teams reported moderate compression test results within this crust.
Below 2300m moist snow can be found under this crust. If the March 27th persistent slab is triggered, it may entrain large wet loose avalanches.
- Uncertainty is due to the timing or intensity of solar radiation and its effect on the snowpack.