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Avalanche Forecast for 2021-01-19 05:30
- EXPIRED ON January 20, 2021 @ 5:30 amPublished on January 19, 2021 @ 5:30 am
- Issued by Aaron Beverly - Mount Shasta Avalanche Center
Bottom Line
Avalanche danger is low. The snowpack is capped off with a smooth, widespread crust. Exercise normal caution while traveling in the backcountry. Strong winds and near freezing temperatures are expected today. Firm, icy slopes present slide-for-life conditions at upper elevations.
Avalanche Problem 1: Normal Caution
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Aspect/Elevation ?
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Likelihood ?CertainVery LikelyLikelyPossibleUnlikely
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Avalanche danger is low. Use normal caution as you travel. Firm, icy conditions and breakable crusts are the main hazards for which to be prepared. Bring an ice axe, crampons, and helmet if ascending steep terrain. Expect slide-for-life conditions.
Forecast Discussion
Recent Observations
Snow surfaces had not softened yesterday by 1:00 p.m. A crust that is thick enough to support skis but breakable under foot is widespread above treeline. Hardened ruts from sliders and riders make clipping a ski possible. The height of snow in the Old Ski Bowl is 39 inches.
Winds kicked up last night, maxing at 45 mi/hr and gusting up to 75. As of 5:00 a.m., easterly winds are still strong, though there is no snow up there available for transport.
The snowpack at Castle Lake is barely usable. Ash Creek Butte is reporting 33 inches of snow and the temperatures out there have remained mostly below freezing in the last 24 hours.
Weather and Current Conditions
Weather Summary
Near freezing temperatures and strong winds will keep the snowpack firm today despite the clear skies. Decreasing winds tonight and an uptick in temperatures tomorrow may give us another day of thin soft snow on sunny aspects.
24 Hour Weather Station Data @ 4:00 AM
Weather Station | Temp (°F) | Wind (mi/hr) | Snow (in) | Comments | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cur | Min | Max | Avg | Avg | Max Gust | Dir | Depth | New | Water Equivalent | Settlement | ||
Mt. Shasta City (3540 ft) | ||||||||||||
Sand Flat (6750 ft) | 22 | 22 | 40 | 32 | 0 | 0 | snow depth sensor broken | |||||
Ski Bowl (7600 ft) | 25.5 | 25.5 | 45 | 36 | 39.4 | 0 | 0 | 0.8 | ||||
Gray Butte (8000 ft) | 23.5 | 23.5 | 40 | 34 | 23 | 74 | NNE | |||||
Castle Lake (5870 ft) | 24 | 24 | 38 | 32.5 | 6 | 0 | 16.2 | |||||
Mount Eddy (6509 ft) | 22.5 | 22.5 | 40 | 32.5 | 3 | 8 | S | 34.1 | 0 | 0.5 | ||
Ash Creek Bowl (7250 ft) | 18 | 18 | 35 | 27 | 32.7 | 0 | 0.2 | |||||
Ash Creek Ridge (7895 ft) | 15 | 14.5 | 34 | 23.5 | 3 | 15 | S |
Two Day Mountain Weather Forecast
Produced in partnership with the Medford NWS
For 7000 ft to 9000 ft | |||
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Tuesday (4 a.m. to 10 p.m.) |
Tuesday Night (10 p.m. to 4 a.m.) |
Wednesday (4 a.m. to 10 p.m.) |
|
Weather | Sunny. Breezy. | Clear. | Sunny. |
Temperature (°F) | 37 | 31 | 44 |
Wind (mi/hr) | Northeast 20-25 | East 10-15 | Northeast 0-5 |
Precipitation SWE / Snowfall (in) | 0.00 / 0 | 0.00 / 0 | 0.00 / 0 |
For 9000 ft to 11000 ft | |||
Tuesday | Tuesday Night | Wednesday | |
Weather | Sunny. Windy. | Clear. Breezy. | Sunny. |
Temperature (°F) | 37 | 37 | 37 |
Wind (mi/hr) | Northeast 40-50 | Northeast 20-25 | North 5-10 |
Precipitation SWE / Snowfall (in) | 0.00 / 0 | 0.00 / 0 | 0.00 / 0 |
Season Precipitation for Mount Shasta City
Period | Measured (in) | Normal (in) | Percent of Normal (%) |
---|---|---|---|
From Oct 1, 2024 (the wet season) | 5.75 | 19.48 | 30 |
Month to Date (since Dec 1, 2024) | 2.17 | 4.27 | 51 |
Year to Date (since Jan 1, 2024) | 2.17 | 4.27 | 51 |