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Avalanche Information
Monday, April 11, 2005 2pm
Good afternoon, this is Drew Hardesty with the Forest
Weather Outlook:
A ridge of high pressure will hold over the state through late Tuesday with a
warming trend and increased southwesterly winds preceding the next dry cold
front, slated for Wednesday night. The
ridgetop winds should pick up early tomorrow into the 20-25mph range, increasing
to 40+ by Wednesday. The warming trend
pushes 10,000’ temps to near 40 by Wednesday.
Another weak system is possible for Friday before clearing out for the
weekend.
Avalanche Information:
Yesterday’s main news centered on a skier falling through a cornice on the
Thunder Ridge into Hogum fork, the last major drainage into lower Little
Cottonwood Canyon. While I’d
characterize this as more of a mountaineering accident, it reinforces the point
that, at this point anyway, the consequences of triggering a sluff or shallow slab
will be determined by the terrain that you’re in. In this case, he fell 1500’ or so down the
face, over some cliff bands, and onto a lower angled slope. Fortunately, his party was able to get to
him, alert Wasatch
Backcountry Rescue, and have a ship brought in.
For the next couple of days,
watch for increasing wet activity that will be more pronounced on the sunny
slopes and the mid and low elevations where a superficial refreeze caps a layer
of mostly unconsolidated wet slurpee-like grains. Just poke your ski pole or fist through the
ephemeral crust to feel the saturated glop beneath. It’ll be more problematic in the next day or
two with clear skies and soaring temperatures. Collapses are sure signs to head to a
different aspect or lower angled terrain.
With wet activity, timing will be everything: once things become
unsupportable or you’re seeing wet activity, it’ll be time to move to a cooler
aspect or the car. Also, if you’re
traveling in the higher elevations, watch for new isolated drifts of wind blown
snow with the increasing southwesterly winds.
The
Wasatch Powderbirds will be flying until April 15th.
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As we’re still putting out
avalanche information, if you run across anything we should know about, please
call and leave a message at 524-5304 or 1-800-662-4140, or e-mail us at [email protected]. Fax is 524-6301.
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.
Thanks for calling.