[RM]

Avalanche Bulletin - Waterton Lakes National Park

Issued Sat Apr 23, 2016 17:16
Valid Until further notice
This is our last planned bulletin this Spring. Loose Wet, Cornice, and Wet Slab avalanching will continue. These will become increasingly limited to higher elevations into May. See the "Forecast Details" tab. Enjoy your Spring!

Spring Conditions:  Saturday

 
The avalanche danger is variable and can range from Low to High. Travelling early in the day is recommended, as conditions can change rapidly in short periods of time due to daytime warming. Pay careful attention to the integrity of surface crusts formed overnight and rising air temperatures during the day. Dry slab avalanche danger may also exist during spring snow storms.

High The forecast is based on high-quality information and the nature of the issue makes it possible to render a solid judgement. A 'high confidence' rating does not imply fact or complete certainty however, and such judgements still carry the risk of being wrong.
Moderate The information used to produce the forecast is credibly sourced and plausible, but it is not of adequate quality or sufficiently corroborated to warrant a higher level of confidence.
Low The credibility or plausibility of the information used to produce the forecast is questionable, or the information is too fragmented or poorly corroborated to make solid judgements, or there are significant concerns regarding problems with the sources.

Weather Observations

Past 24 Hr WeatherLittle Prairie 1650m
Maximum (°C)Not Available
Minimum (°C)Not Available
Snowfall (cm)Not Available
Snow Pack (cm)Not Available
Wind speedNot Available
Ridgetop wind directionNot Available
Past 24 Hr WeatherLittle Prairie 1650m
Maximum (°C)Not Available
Minimum (°C)Not Available
Snowfall (cm)Not Available
Snow Pack (cm)Not Available
Wind speedNot Available
Ridgetop wind directionNot Available
Low Moderate Considerable High Extreme
  • Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.
  • Natural and human-triggered avalanches unlikely.
  • Small avalanches in isolated areas or extreme terrain.
  • Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern.
  • Natural avalanches unlikely; human-triggered avalanches possible.
  • Small avalanches in specific areas; or large avalanches in isolated areas.
  • Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential.
  • Natural avalanches possible; human-triggered avalanches likely.
  • Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas.
  • Very dangerous avalanche conditions. Travel in avalanche terrain not recommended.
  • Natural avalanches likely; human-triggered avalanches very likely.
  • Large avalanches in many areas; or very large avalanches in specific areas.
  • Avoid all avalanche terrain.
  • Natural and human-triggered avalanches certain.
  • Large to very large avalanches in many areas.