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Avalanche Forecast

Archived

Apr 20th, 2022–Apr 21st, 2022

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Rockies.

Avalanche conditions are generally safe. Watch for small pockets of wind slabs in steep terrain near the mountain tops and remember that cornices are very large and fragile.

Confidence

Moderate - Uncertainty is due to the limited number of field observations.

Weather Forecast

WEDNESDAY NIGHT: Increasing clouds with no precipitation, 10 km/h southeast wind, alpine temperature -7 C.

THURSDAY: Cloudy with snowfall, accumulation 2 to 10 cm, 10 km/h south wind, alpine temperature -2 C, freezing level rising to 2000 m.

FRIDAY: Partly cloudy with no precipitation, 10 km/h southwest wind, alpine temperature 0 C, overnight freeze and daytime freezing level rising to 2200 m.

SATURDAY: Mostly cloudy with no precipitation, 10 km/h northwest wind, alpine temperature 1 C, freezing level rising to 2300 m.

Avalanche Summary

No new avalanches were observed on Tuesday.

Please consider posting your observations to the Mountain Information Network to supplement our data stream and help fellow recreationists.

Snowpack Summary

Around 5 to 10 cm of snow rests on hard snow or a melt-freeze crust, with locally thicker amounts in lee terrain from strong southwest wind. Below treeline, a moist and consolidated snowpack exists. Remember that cornices are large and looming at this time of year.

The remainder of the snowpack is strong, consisting of hard snow and various melt-freeze crusts.

Terrain and Travel

  • Cornices often break further back than expected; give them a wide berth when traveling on ridgetops.
  • Carefully evaluate steep lines for wind slabs.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.