Avalanche Advisory
| Advisory: Logan Area Mountains | Issued by Toby Weed for March 1, 2013 - 7:00am |
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Above 8,500 ft.
7,000-8,500 ft.
5,000-7,000 ft.
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bottom line The snow is stable in most areas, avalanches are unlikely, and the danger is LOW (or level 1) in the backcountry around Logan today. Even so, you could still trigger dangerous avalanches in some exceptional steep terrain, and warming this weekend will cause a rising danger of wet or heat related avalanches anywhere the surface snow becomes saturated. The danger of wet avalanches may rise to MODERATE (level 2) with warming this afternoon.. Use normal caution, and watch for unstable, moist, or saturated snow in steep terrain.
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current conditions The Tony Grove Snotel at 8400' reports an inch of new snow with 2/10ths of an inch of water in the last 24 hours. It's a balmy 26 degrees, and the site reports 61 inches of total snow, containing 63% of average water for the date. I'm reading 20 degrees at the 9700' CSI Logan Peak weather station, and there's a light northwest wind averaging in the single digits. You still might find some nice powdery snow in shady terrain today, but the powerful late February sun caused crusts to develop on east through southwest facing slopes and on the flats at all elevations... |
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recent activity No significant avalanches have been reported recently in the Logan Zone. Here's a link to our updated Avalanche List.
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Avalanche Problem 1over the next 24 hours
| type | aspect/elevation | characteristics |
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Above 8,500 ft.
7,000-8,500 ft.
5,000-7,000 ft.
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description
The snow is stable in most areas, and avalanches are generally unlikely today. But, remember that a Low danger doesn't mean No danger, and there are some potential exceptions:
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Avalanche Problem 2over the next 24 hours
| type | aspect/elevation | characteristics |
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Above 8,500 ft.
7,000-8,500 ft.
5,000-7,000 ft.
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description
Warming may cause a Moderate danger of wet avalanches by midday on some slopes if the surface snow becomes damp or saturated.
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weather We'll see mostly cloudy skies today along with chance of a little snow this morning. Clouds will thin this afternoon allowing the sun to warm things up, and high temperatures at 9000' will likely climb into the mid thirties.. Expect light west-northwest winds. Mountain temperatures will drop into the mid twenties overnight under partly cloudy skies. It'll be mostly sunny and fairly warm in the mountains tomorrow, with 9000' temperatures around 40 degrees and light and variable winds. Clouds and southwest winds will increase Saturday night and snow is forecast for Sunday, with 2 to 4 inches of accumulation possible. Check out the new Logan Mountain Weather page...
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| general annoucements For a printer friendly version of this advisory click HERE Remember your information from the backcountry can save lives. If you see or trigger an avalanche, or see anything else we should know about, please send us your snow and avalanche observations. You can also call us at 801-524-5304 or email by clicking HERE. In the Logan Area you can contact Toby Weed directly at 435-757-7578. I will update this advisory on Monday, Wednesday, Friday, and Saturday mornings by around 7:30... This advisory is produced by the U.S.D.A. Forest Service, which is solely responsible for its content. It describes only general avalanche conditions and local variations always exist. |