Travel in avalanche terrain is not recommended on Friday. Natural avalanche activity may start to taper later in the day, however; slopes remain primed for skier and rider triggering.
A Special Avalanche Warmingis in effect for this region.
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Weather |
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Temp °F | 15 | 14 | 15 | 16 | 18 | 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Wind Speed mph |
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Wind Gust mph | 25 | 20 | 15 | 15 | 15 | 15 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Cloud Cover % | 100 | 100 | 100 | 100 | 100 | 100 |
12-Hr Snowfall | High/Low | Alerts | Snow Level |
Wind Speed |
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Thu
2/25
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0-1" |
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Snow |
15°F
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40mph
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90% | |
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2/26
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25°F
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25mph
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100% | |
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9°F
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2/27
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1-2" |
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20°F
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10mph
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20mph
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90% | |
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10°F
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60% | ||
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2/28
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0" |
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Cloudy |
23°F
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15mph
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40mph
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80% | |
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17°F
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15mph
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40mph
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90% | ||
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3/1
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0-1" |
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Snow Showers |
30°F
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20mph
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Snow |
19°F
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15mph
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3/2
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0-1" |
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Snow Showers |
24°F
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Snow Showers |
19°F
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Mon 22 | Tue 23 | Wed 24 | Thu 25 | Fri 26 |
Travel in avalanche terrain is not recommended on Friday. Natural avalanche activity may start to taper later in the day, however; slopes remain primed for skier and rider triggering.
A Special Avalanche Warmingis in effect for this region.
Recent snowfall amounts vary across the region with 10-20 cm of new snow. Wind slabs are expected to build over the day in exposed terrain at treeline and alpine elevations. Storm slabs may continue to build in sheltered areas at all elevations. These slabs are expected to reach between 30 and 60 cm thick over the region and sit above sugary faceted snow formed mid-February.
A persistent slab 50 to 80 cm deep sits above a weak layer of surface hoar and may be found in sheltered terrain or otherwise faceted grains and/or a hard melt-freeze crust. This weak layer has recently been easily reactive to human triggers around the region. Check out this MIN report from yesterday in the Ruault Lake area in the western flank of the region.
Weak faceted grains and a decomposing melt-freeze crust are likely found near the base of the snowpack. There have not been recent avalanche observations on this layer, but steep and rocky slopes, as well as shallow snowpack areas, should be approached with caution.
On Wednesday, this MIN report highlights a critical incident of a rider-triggered persistent slab size 3. Also on Wednesday, this MIN reportindicates another remotely-triggered size 2 slab avalanche. Whether it's a wind slab or a persistent slab problem, they're catching folks by surprise and will not heal quickly.
Looking towards Friday, human triggering of storm, wind, and persistent slabs will remain likely. Conditions are not easily managed right now, warranting a conservative mindset!
To get the complete forecast with additional graphics and details, please view the South Rockies forecast provided by Avalanche Canada.