Our Jan/Feb Drought Layer PWL and Summary of Avalanche Activity on This Layering for the Central Wasatch Range
Drew Hardesty
(February 25th slide in Neffs, pc-Meadows)
For upper Little Cottonwood Canyon, January was the third driest on record. February was the driest on record. Records go back to the winter of 1944/1945. This long period of high pressure weakened the upper layers of the snowpack into facets: weak, sugary, cohesionless snow. In many areas, this layer would become 15-25cm thick. We knew this would become a problem when we finally receive significant storms.
Unfortunately, snowfall has only arrived in dribs and drabs with no 12-hour snow …
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Week in Review - February 28 - March 3, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, February 25 through Thursday, March 3:
Summary: Clear and dry with very warm temperatures by midweek. Several avalanches on northerly aspects, failing 1-2' down into old faceted snow that formed during the January/February drought.
Friday, February 25: 1-4" of cold, dry snow is squeezed out of the remnants of a storm system. Several …
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Week in Review - February 18-24, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, February 18 through Thursday, February 24:
Summary: Clear skies early in the period with increasing winds and clouds by late weekend. Unsettled weather throughout the week with a few wind events and 12-16" total snowfall. By Tuesday, avalanches breaking down into faceted snow on the old snow surface are reported.
The following video from …
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Week in Review - February 11-17, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, February 11 through Thursday, February 17:
Summary: The January/February drought continued, with warm temperatures and sunshine early in the week. A small storm late Wednesday delivered much-needed snow to the central Wasatch.
Friday, February 11: Clear skies and strong winds with gusts approaching 100 mph at 11,000'. No backcountry …
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Week in Review - February 4-10, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, February 4 through Thursday, February 10:
Summary: Generally clear throughout the past week with a few passing clouds and a few periods of moderate to strong winds from the northwest.
A few general observations:
- Shady slopes continue to develop facets at the surface which will likely be a weak layer with any additional storms;
…
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Week in Review - January 28 - February 3, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, January 28 through Thursday, February 3:
Summary: The mid-winter drought continues with only a few inches of snow recorded as cold and clear weather continues to dominate the weather pattern.
Saturday, January 29: Clear (yet again) with light northerly winds.
Sunday, January 30: A catch-and-carry on Kessler Peak as a skier gets …
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Week in Review - January 21-27, 2022
Greg Gagne
Our Week in Review highlights significant snowfall, weather, and avalanche events of the prior week. (Review the archived forecasts for the Salt Lake mountains.)
The danger roses for the Salt Lake mountains from Friday, January 21 through Thursday, January 27:
Summary: Like most of January, another very quiet week with only a few inches of snowfall. Much of the period is cold and clear with occasional moderate winds. Of note, the few inches of snowfall this week has left the snow surface weak with near-surface facets and surface hoar. This may be a weak layer with any …
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