[MCR] Rocky Mountain National Parks and K-Country SPAW, Jan. 17th-21st, 2014.
Public Mountain Conditions Report
mcr at informalex.org
Thu Jan 16 19:14:33 EST 2014
Parks Canada and Kananaskis Country, Alberta Parks are issuing a special
public avalanche warning for many of the mountain parks in the Rocky
Mountains. This warning is in effect from Friday January 17 to Monday
January 21 and includes Banff, Yoho, Kootenay and Jasper National Parks as
well as Kananaskis Country.
The snowpack in these areas of the Rockies is complex this year. There is
a deep persistent weak layer at the base of the snowpack which has
recently been overloaded by snow and wind. Avalanche professionals
throughout these areas of the Rockies have seen numerous full depth
avalanches sliding to ground on this layer in the last week and running to
the end of historical runouts. There have been numerous very unusual
avalanche events that have caught seasoned professionals by surprise and
have led avalanche forecasters to have a low confidence in this year’s
snowpack.
Additionally, we have seen several close calls from recreationalists in
the backcountry throughout these regions including multiple burials where
people have been very lucky to survive.
Although natural avalanche activity is tapering, conditions remain prime
for human triggering. Warm temperatures and sunny skies will attract many
to the mountains this weekend and these same weather factors will
destabilize the snowpack during the heat of the day.
Parks Canada and Kananaskis Country recommend recreational backcountry
users with little or no avalanche training or experience avoid avalanche
terrain, or undertake activities in which avalanche risk is managed by
professionals. Experienced backcountry recreationists are urged to travel
on simple terrain such as small, low angle, well-supported features with
no large steep slopes or cornices above. When temperatures are warmest and
especially if the sun is out, all avalanche terrain should be avoided,
including valley bottom runout zones.
Every person in a backcountry party needs an avalanche transceiver, probe
and shovel and everyone should have some training in recognizing avalanche
terrain and safe backcountry travel techniques. For more information on
the current avalanche forecast, click on “bulletins” at avalanche.ca/cac.
For more discussion on this season’s snowpack, check the forecaster’s blog
at avalanche.ca/cac/xxx. For updates on current avalanche observations or
near misses check out: facebook.com/ParksMountainSafety or
facebook.com/KCPublicSafety
Parks Canada Visitor Safety
Banff, Yoho & Kootenay National Parks
www.parksmountainsafety.ca
www.parcsecuritemontagne.ca
Kananaskis Country Public Safety
facebook.com/KCPublicSafety
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