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Storm Observations

Near treeline, Gray Butte, poor visibility, windy (SW)
Location Name: 
Gray Butte
Region: 
Mt. Shasta
Date and time of observation: 
Fri, 03/23/2018 - 11:30pm
Observation made by: 
Forecaster
Red Flags:
Whumphing noises, shooting cracks, or collapsing
Recent loading by new snow, wind, or rain

Location Map

96067 Mount Shasta , CA
United States
41° 20' 44.52" N, 122° 11' 44.0592" W
See map: Google Maps
California US

Snowpack Observations

Details

  • Minor cracking in snow surfaces above 7,500 feet around tree wells and on small test slopes/skin track switchbacks
  • Loose dry sluffs easily triggered on steep slopes below/near treeline
  • Snow, heavy at times, with 4-6 inches observed at 1630 hours at 8,000 feet.
  • Drifts 1 to 2 feet deep

Photos

  • minor cracking in storm snow surfaces, near treeline
  • Gray Butte, poor visibility
  • 4-6 inches of new, low density snow at 1630 hours at 8,000 ft. Old snow surface firm
  • A poor picture of an easily triggered loose dry sluff

Weather Observations

Details

  • .47 inches of water recorded over the past 24 hours
  • 17 inches of new snow on top of hard, old snow
  • Southwesterly winds avg 17 mph with gusts 30-40 mph
  • Snow heavy at times yesterday afternoon.
  • Temps in the high teens def F.

Statistics

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