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Avalanche Forecast for 2020-04-02 06:00

  • EXPIRED ON April 3, 2020 @ 6:00 am
    Published on April 2, 2020 @ 6:00 am
  • Issued by Aaron Beverly - Mount Shasta Avalanche Center

Overall avalanche danger is LOW. There may be some isolated wind slabs lurking above treeline. Continue to be mindful when approaching steep, leeward terrain. Expect sunny conditions until the weekend when wintry weather returns.

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Forecast Hotline: (530) 926-9613

Avalanche Problem 1: Wind Slab

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  • Likelihood ?
    Certain
    Very Likely
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  • Size ?
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Continue to approach steep leeward slopes above treeline with caution. If you are going high, pay attention to terrain and blowing snow. There may be some isolated wind slabs out there. Blocking and cracking snow are signs that wind slabs have or are forming.

Recent Observations

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In the last 24 hours, temperatures near treeline on Mount Shasta have ranged from 13 to 29 degrees. Winds were variable and light.

Since March 27th, we have received near 12 inches of new snow. During and after this new snow, north and west winds blew continuously at 15-20 mi/hr for a period of about 30 hours. Some small wind slab avalanches occurred Monday night. Temperatures and solar radiation have started a melt-freeze cycle on the snowpack at lower elevations. Expect punchy, wind affected snow up higher.

Weather and Current Conditions

Weather Summary

Today and tomorrow expect clear, sunny weather. Winds could be strong up near the summit, but generally they will be light to moderate and out of the northwest and west. Temperatures near treeline should be just above freezing.

We are still on track to receive over an inch of precipitable water this weekend. Snow levels are looking to be around 4,000 ft.

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) 41 39 46 43 3
Sand Flat (6750 ft) 11 11 30 21 49 0 0 0
Ski Bowl (7600 ft) 14 11 29.5 18.5 81.9 0 0 0
Gray Butte (8000 ft) 15.5 13 26.5 18 6 31 ESE
Castle Lake (5870 ft) 18.5 18.5 34.5 24.5 40.2 0 0.2
Mount Eddy (6509 ft) 16 16 29 21 3 13 SE 58.5 0 1.1
Ash Creek Bowl (7250 ft) down
Ash Creek Ridge (7895 ft) down

Two Day Mountain Weather Forecast

Produced in partnership with the Medford NWS

For 7000 ft to 9000 ft
  Thursday
(4 a.m. to 10 p.m.) 		Thursday Night
(10 p.m. to 4 a.m.) 		Friday
(4 a.m. to 10 p.m.)
Weather Sunny. Mostly clear. Mostly sunny.
Temperature (°F) 34 19 36
Wind (mi/hr) North 0-5 Northwest 5-10 Northwest 5-10
Precipitation SWE / Snowfall (in) 0.00 / 0 0.00 / 0 0.00 / 0
For 9000 ft to 11000 ft
  Thursday Thursday Night Friday
Weather Sunny. Mostly clear. Breezy. Low wind chills. Mostly sunny. Windy. Low wind chills.
Temperature (°F) 14 13 20
Wind (mi/hr) Northwest 10-15 West 15-20 Northwest 20-25
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) 15.17 35.57 43
Month to Date (since Dec 1, 2024) 0.00 0.11 0
Year to Date (since Jan 1, 2024) 6.24 20.36 31

Disclaimer

This forecast does not apply to Ski Areas or Highways and is for the Mt. Shasta, Castle Lake and Mt. Eddy backcountry. Use this information for guidance only. You may find different conditions in the backcountry and should travel accordingly. This forecast expires 24 hours after the posted time unless otherwise noted.