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Sunday, February 20,
Good morning, this is Drew Hardesty with the
With the remains of the storm moving through, skies are cloudy and snowfall has picked up again. With a couple inches of new snow overnight, storm totals across the range are 7”/1.23”H20 in the
The new snow and strong winds conspired to create a localized natural cycle and widespread human triggered cycle in the
I’m a little surprised that more avalanches didn’t step down into old snow, and am reluctant to believe that our mid-pack persistent instabilities are now dormant. For today, while the new wind drifts are likely to be a little less sensitive and widespread, they may possibly be larger and more dangerous and may still be triggered from a distance. Adding insult to injury will be some sensitive new wind drifts from this morning just to keep things interesting. It’ll be important to drop cornices, jump on test slopes, safely slope cut suspect areas, and watch for any signs of cracking and collapsing. Good safe travel protocol will be required again today.
Bottom Line (
The avalanche danger remains CONSIDERABLE on any steep wind loaded slope at the mid and high elevations. Any avalanche triggered on northwesterly through easterly aspects will have the potential to step down 1-4’ deep into weak faceted snow.
(Afternoon Weather Update can be found here.)
The remains of the Low will move through and we should see a burst of precipitation and stronger southwesterly winds this morning as the ripple moves through. Winds will pick up to the tune of 25-30mph, but should drop off to 15mph as the flow veers more westerly by afternoon. Snowfall will become more showery this afternoon and tonight, and we can expect 4-8” in favored areas over the next 18 hours. Temps will be in the twenties. A brief break Monday before the next system reloads for next week.
Yesterday, the Wasatch Powderbirds weren’t able to fly and are unlikely to get out today.
Thanks again to everyone who is sending in observations! This advisory is for you and it’s great to hear from people who use it. Please keep calling us at 524-5304 or 1-800-662-4140, or e-mailing 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.
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For an explanation of avalanche danger ratings: