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New Snow and Conditions Report

Location Name: 
Old Ski Bowl, Bunny Flat
Mt. Shasta
Date and time of observation: 
Tue, 03/13/2018 - 9:00pm
Observation made by: 
Professional Observer
Red Flags: 
Recent loading by new snow, wind, or rain

Location Map

96067 Mount Shasta , CA
United States
41° 21' 30.5388" N, 122° 12' 24.8148" W
California US

Snowpack Observations


Snow level @ 1 p.m.: 5500 ft

Conditions at Bunny Flat Parking Lot:

  • Height of new snow (HN): 10-15 cm (4-6 in)
  • Snowfall rate: 3 cm (1 in) / hr - S3
  • Wind: Light and variable
  • Road plowed
  • See photos

Conditions at Old Ski Bowl Weather Station:

  • Whiteout above treeline, no visibility of upper mountain
  • Height of new snow (HN): 25 cm (10 in)
  • Wind: Light and southerly
  • New snow pack right side up, with moist to dry snow atop wet 1F snow
  • Stubborn failures from column tests: CT12 Progressive Compression (PC) ↓ 28 cm x 2; ECTN12 ↓ 28 cm (see photo)
  • Hand tests yielded no result
  • Although visibility was low, no obvious signs of instability were seen. Snow surfaces were unaffected by the wind. No signs of wet-loose or storm slab problems were observed.


  • Conditions at Bunny Flat @ 1 PM
  • Bunny Flat Trailhead @ 3 PM
  • Whiteout Conditions above Treeline
  • Test Profile

Weather Observations


Cloud Cover: 
100% of the sky covered by clouds
Blowing Snow: 
Accumulation rate: 
Greater than 1 in. per hour
Air temperature: 
Below Freezing
Air temperature trend: 
Wind Speed: 
Wind Direction: