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After the Rain

Location Name: 
Old Ski Bowl
Mt. Shasta
Date and time of observation: 
Wed, 01/13/2021 - 11:30am
Observation made by: 

Location Map

96067 Mount Shasta , CA
United States
41° 22' 39.8388" N, 122° 12' 6.1632" W
California US

Snowpack Observations


Conditions in the Old Ski Bowl after yesterday's wet storm:

  • Observation Location: Old Ski Bowl
  • Elevation: 8,500 ft
  • Date: 20130113
  • Time: 1130
  • Observer: Aaron Beverly
  • Sky Conditions: Broken (BKN)
  • Current Precipitation: None
  • Air Temperature: 32 °F
  • Surface Penetration: Boot penetration (PF) = 4 in (10 cm)
  • Total Snow Depth (HS):  8-30 in (20-75 cm)
  • 24-hour New Snow Depth (HN24): 1 in (2.5 cm)
  • 24-hour New Snow Water Equivalent (HN24W): 0.24 in
  • Wind Direction: WNW
  • Wind Speed: Moderate (M), 17-25 mi/hr, small trees sway

A wide spread, breakable rain crust exists up to at least 9,000 ft on Mount Shasta. No snow was seen being transported anywhere even in moderate west/northwest winds. No signs of wind slabs or other avalanche danger were seen. Overall, the snowpack seems locked up tight. Generally the snowpack supports the weight of a snowmobile, but its depth is still thin in places above treeline and many icy rocks are exposed. Cliff bands up high are caked with rime.


  • Boot penetration 4 inches, but crust was supporting snowmobile
  • Exposed rocks covered in ice
  • Ridges lightly scoured, cliffs rimed
  • Though snowpack is supports a snowmobile, there are exposed rocks above treeline.
  • Rain / wet snow crust up to at least 9,000 ft. No snow being transported in moderate winds.

Weather Observations


Cloud Cover: 
Blowing Snow: 
Accumulation rate: 
Air temperature: 
Below Freezing
Air temperature trend: 
Wind Speed: 
Wind Direction: