Avalanche Forecast
South Rockies
New snow and wind on Monday will create touchy storm slabs reactive to human triggers; especially in wind effected terrain.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Use caution when transitioning into wind effected terrain.
- Watch for signs of instability such as whumphing, cracking, or recent natural avalanching.
- Use small slopes with low or no consequence to test the bond of the new snow.
Avalanche Problem 2: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
When the sun comes out it will quickly weaken the new snow and cause loose wet avalanching on steep solar slopes.
Travel and Terrain Advice
- Minimize exposure to sun exposed slopes when the solar radiation is strong.
- Watch for signs that the snow is heating up such as pin-wheeling or the surface snow becoming moist.
- Cornices become weak with daytime heating. Give them a wide berth from above and below.
Avalanche Summary
No new avalanches were reported in this region on Saturday. However, storm slab activity is expected to increase on Monday with the forecast snow and wind.
Snowpack Summary
5-15 cm of new snow and moderate winds have formed fresh storm slabs which are most reactive in wind effected terrain. These storm slabs overlie numerous crusts within the top 100 cm of the snowpack.
A well settled mid-pack sits above sugary facets in many parts of the region, especially thin snowpack areas.
Weather Forecast
MONDAY: Snow, accumulation 10-20 cm. Moderate to strong easterly ridgetop winds. Alpine temperature -2. Freezing level around 1500 m.
TUESDAY: Mostly cloudy with sunny breaks. Moderate southwesterly ridgetop winds. Alpine temperature -2. Freezing level around 1500 m.
WEDNESDAY: Mix of sun and cloud. Light southwesterly ridgetop winds. Alpine temperature 0. Freezing level rising to around 1800 m.
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New snow and wind on Monday will create touchy storm slabs reactive to human triggers.