Avalanche bulletin

Issued around 6 pm every day from December 1 to April 30

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Date issued
Friday 25 April 2025, 17 H 00
Valid until
Saturday 26 April 2025, 18 H 00
Prepared by
Avalanche Québec

FINAL BULLETIN OF THE SEASON – VALID FOR APRIL 26 AND 27, 2025

There is some uncertainty regarding the impact of Saturday’s weather system on avalanche danger. Depending on the amounts that fall, the new moist snow combined with rain could show signs of instability.

Danger ratings

Saturday

Alpine
Treeline
Below Treeline
2 - Moderate
1 - Low
1 - Low
Alpine 2 - Moderate
Treeline 1 - Low
Below Treeline 1 - Low

Sunday

Alpine 2 - Moderate
Treeline 1 - Low
Below Treeline 1 - Low

Monday

Alpine Spring Conditions
Treeline Spring Conditions
Below Treeline Spring Conditions

Terrain and Travel Advice

  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Travel early on sun-exposed slopes before cornices weaken with daytime warming.

Problems

Avalanche problem 1 : Wet Loose

What Elevation?
What Elevation?
Which Slopes?
Which Slopes?
Chances of Avalanches?
Chances of Avalanches?
Expected Size?
Expected Size?
Rain could destabilize the surface snow below and near the treeline. The new wet snow in alpine areas could be easily weakened by additional warmth or rainfall on Sunday. Extra caution is advised on steep slopes.

Avalanche problem 2 : Cornice

What Elevation?
What Elevation?
Which Slopes?
Which Slopes?
Chances of Avalanches?
Chances of Avalanches?
Expected Size?
Expected Size?
The weak overnight refreezing, along with the rain and warmth, could weaken the cornices on Sunday.

Avalanche Summary

No new avalanches have been observed or reported.

If you are out and about in the hinterland, please share your observations with the RIM ( Réseau d'Information en Montagne ).

Snowpack Summary

Rain at lower elevations and wet snow in alpine terrain expected on Saturday will fall on a typical spring snowpack: moist and subject to freeze-thaw cycles on south-facing slopes, colder and drier—sometimes even icy—on north-facing slopes.

Conditions are highly variable in alpine areas and near the treeline.

At mid-mountain elevation, snowpack depth ranges from 60 to 160 cm.

Weather Summary

WEATHER FOR THE RIDGES AND SUMMITS OF THE CHIC-CHOCS

A passing low-pressure system will bring rain and wet snow for the weekend.

Friday evening and night: Mostly cloudy. Light southeast wind. Low of -4°C. Freezing level drops to 700 m by Saturday morning.

Saturday: Wet snow or rain depending on elevation. Accumulation of 8 to 12 cm in alpine areas. Southeast wind at 30 to 40 km/h. High of 0°C. Freezing level at 900 m.

Sunday: Cloudy. Northeast wind from 30 to 60 km/h. High of +3°C. Freezing level at 2000 m.

Monday: Sunny. Light north wind. High of +5°C. Freezing level at 1800 m.

For more details, consult the Chic-Chocs alpine weather forecast.

Confidence

Moderate

  • Forecast precipitation (either snow or rain) amounts are uncertain.
  • Uncertainty is due to how the snowpack will react to the forecast weather.
Areas covered by the bulletin
  • Mont Albert
  • Mont Ernest-Laforce
  • Mont Hog’s Back
  • Champs-de-Mars
  • Mont Lyall
  • Mont Vallières-de-Saint-Réal
  • Mont Blanche-Lamontagne
  • Mines-Madeleine
Danger Ratings Explained
Forecast Disclaimer

USE AT YOUR OWN RISK

The authorized use of the information contained in this avalanche bulletin is limited to personal and recreational purposes. To the fullest extent permitted by law, the information is provided “as is” without any representation, condition or warranty of any kind, express or implied, including, without limitation, any implied warranty of merchantability, fitness for a particular purpose or non-infringement. In no event shall Avalanche Quebec and its suppliers be liable for damages arising out of the use of the information or an inability to use it, including, without limitation, damages resulting from discomfort, injury or death, claims of third parties or other similar costs, or any damages (direct, indirect, consequential, special, exemplary, punitive or otherwise) of any kind.

Natural phenomena such as avalanches and weather conditions cannot be accurately predicted. This should be kept in mind at all times when using the information contained in this bulletin. Backcountry travel is a high-risk activity and the use of the information contained in this bulletin does not replace the experience, knowledge and equipment required, nor does it replace the services of a mountain guide.

For backcountry rescue call 911 and tell them you are in the Chic-Chocs

EDUCATIONAL VIDEO

Do you know how to get the most out of the avalanche bulletin ? Our colleagues at Avalanche Canada will explain it to you !

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