Avalanche Forecast
Regions:
Blizzard conditions through Saturday night will increase likelihood of avalanche triggering for the Haute-Gaspésie coastline this weekend.
Confidence
Moderate
Avalanche Summary
No new avalanches have been observed or reported in the coastal forecast area.
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Snowpack Summary
Approximately 5 cm of snow has been received since Thursday night in the coastal forecast area. This snow and the other that was still available were transported by the extreme west wind. This may have resulted in the formation of new wind slabs, especially on NE-E-SE bare slopes and forest openings. These harder snow pillows may be underlain by less dense snow or older wind slabs. The height of snow on the ground varies between 100 to 120 cm.
Weather Summary
Synopsis: The combination of an arctic air mass, a low pressure system and extreme westerly winds will cause blowing snow until Saturday night. Precipitation and wind will diminish Sunday morning.
Evening and overnight: Blowing snow and 2 to 5 cm of snow, wind west 60 to 100 km/h. Low -30.
Saturday: Blowing snow and 2 to 4 cm of snow. Wind west 60 to 100km/h. High -24.
Sunday: Cloudy with a chance of intermittent snow in the afternoon. Wind southwest 15 to 40 km/h. High -15.
Terrain and Travel Advice
- Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
Avalanche Problems
Wind Slabs
It is not impossible that heavier than expected precipitation will increase the size of these wind slabs.
Aspects: North, North East, East, South East, South.
Elevations: Below Treeline.
Likelihood: Unlikely - Possible
Expected Size: 1 - 2