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Avalanche Forecast

Archived

Mar 18th, 2024–Mar 20th, 2024

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

Regions

Chic-Choc Mountains.

👉 ATTENTION - BULLETIN VALID FOR MARCH 19th AND 20th 👈

Winter seems to be holding out. A little snow has fallen aloft and another system should leave its mark towards the end of the week. Remember that conditions are highly variable and windy slabs could form on leeward slopes.

Confidence

Moderate

Avalanche Summary

No new avalanches observed or reported.

If you head into the backcountry, thanks for sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

At higher altitudes, above 600m, we received 5 to 10 cm of new snow between Sunday and Monday. We may receive another 5 cm by Tuesday. In the valleys, the precipitation fell either as rain or slush.

This new snow is covering a refreezing crust that formed last week with the warm temperatures and solar heating.

The average height of the snowpack is around 100 cm, but is highly variable from one area to another. The wind has greatly redistributed the snow in the alpine region, creating great spatial variability. Some slopes are back to rock...

Weather Summary

Synopsis: Small lull expected before another system hits the Gaspé Peninsula on Thursday, leaving a 10 to 15 cm.

Monday evening and night: Snow. 3 to 5 cm. North wind, 25 to 35 km/h. Low -7.

Tuesday: Intermittent snow. 1 to 2 cm. Wind northwest, 10 to 20 km/h. Maximum -3. Freezing level at 400 m.

Wednesday: Snow. 3 to 5 cm. Wind southeast, 20 to 30 km/h. Maximum -3. Freezing level at 500 m.

Thursday: Snow. 5 to 10 cm. Wind east, 40 to 60 km/h. Maximum -4. Freezing level at 300 m.

For more details, check out the most recent alpine weather forecast.

Terrain and Travel Advice

  • Carefully evaluate steep lines for wind slabs.
  • Wind slabs may be poorly bonded to the underlying crust.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.