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Tuesday, February 01, 2005
Good morning, this is Evelyn
Lees with the
hosting the 2nd annual Backcountry Avalanche Awareness Week, now
through February 7th as a benefit for the
A weak disturbance is
moving through northern
Todayís avalanche problems are near the surface.† I expect the gusty, northerly winds to whip up fresh new wind drifts, which will be sensitive to the weight of a person on steep slopes.† These drifts will be most widespread along the higher ridges, but look for cross loading and drifting off the ridges and around terrain features such as gully walls, sub ridges and breakovers. †Itís best to avoid any wind drifts on steep slopes, or with experience, approach them from the top with careful slope cuts.† Yesterday it was possible to trigger shallow, fast running sluffs on protected, steep shady slopes, which had just enough mass to knock you off balance or even take you for a ride.† Todayís mostly cloudy skies and cooler temperatures should put a lid on any wet activity.
Bottom Line (
The avalanche danger is LOW on most slopes.† There is a MODERATE danger on any steep slope with recent deposits of wind drifted snow, and for loose snow sluffs on steep shady slopes.† Moderate means human triggered avalanches are possible.
The weak weather disturbance has brought cloudy skies and a few snow showers to the northern mountains.† The northwesterly winds will be in the 15 to 25 mph range this morning, with gusts to 45 mph.† This afternoon, there will be partial clearing with the winds shifting to the northeast and decreasing.† Temperatures will be in the mid teens at 10,000í and the upper 20ís at 8,000í.† Skies will be partly cloudy tonight, with lows near 10 and moderate northeasterly winds. †High pressure will rule for the rest of the week, with light winds and a warming trend.† Then there is a chance for a pattern change to colder and more unsettled weather around Sunday, but model differences continue.
Guides were in AF and Cascade, and if they can fly today will be in Mineral,
Early birds can catch our 6am report at 364-1591.† We also use this line for additional avalanche and weather reporting on an as-needed basis.
If you trigger or see any avalanches, please call and leave a message at 524-5304, or 1-800-662-4140, or e-mail us at [email protected].
The information in this advisory is from the U.S. Forest Service, which is solely responsible for its content.† This advisory describes general avalanche conditions and local variations always occur.
Brett Kobernik will update this advisory by 7:30 on Wednesday morning.
Thanks for calling
For an explanation of avalanche danger ratings: