Avalanche Forecast
Avalanche Bulletin - Glacier National Park
An underwhelming storm will tapper off this morning.
Avalanche hazard will increase with daytime warming, especially if the sun has a chance to make an appearance on solar aspects.
Avalanche Problem 1: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Daytime warming will weaken surface layers.
- Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.
Avalanche Problem 2: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Over 40cm in last 72hrs accompanied by mod to strong winds has created storm slabs on all aspects at and above treeline . Wind effect may have hardened the slab on alpine lee slopes. Today's snow may mask this problem.
Travel and Terrain Advice
- Use caution in lee areas in the alpine and treeline. Storm snow is forming slabs.
Avalanche Summary
Numerous loose wet avalanches yesterday size 2-2.5 occurring below 2100m, along with a size 3 glide crack, which stopped ~100m from the highway.
Several glide cracks are opening up in our area and are unpredictable in nature. Avoid these hazards as the results will be large and destructive.
Avalanche Control today, check DriveBC for more information
Snowpack Summary
10cm of new snow in the past 24hrs brings the weekly storm snow amount to 55cm. The storm snow is moist and sits on a crust up to 1900m on all aspects and seems to be bonding well. The mid and lower pack is well settled and strong.
Weather Forecast
A delightfully typical Selkirk spring day with mainly cloudy skies, periods of sun and convective flurries. Expect an alpine high of -7 with valley bottoms rising above zero as the freezing level reaches 1500m. Winds will be from the west in the 25-50km/hr range. Clearing skies for Wednesday and Thursday.
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Loose wet slides can be expected as daytime warming and solar radiation pushes freezing levels upwards of 1500m . Expect surface snow layers to be moist and reactive on convexities and unsupported features below treeline this afternoon.