Observations from Grouse Rocks

Location Name: 
Grouse Rocks
Region: 
Blackwood Canyon or Ward Canyon Area
Date and time of observation: 
Sat, 12/21/2013 - 11:35
Location Map: 
United States
39° 8' 6.9" N, 120° 14' 28.644" W
See map: Google Maps
US


Red Flags: 
Observation made by: Forecaster
Snowpit Observations
More detailed information about the snowpack: 

Evidence of instability in this area today was limited to snowpit data. Despite ski tracks in the area and on the slope where the snowpit was dug, the Dec 7 faceted weak layer continues to show that it has the ability to propagate underneath the overlying slab once triggered. Even though some stability gains appear to have occurred in this area, a human triggered avalanche remains possible if the right on slope trigger point is found.

Snowpit or crown profile photo or graph: 
Snowpit videos (tests, etc): 

20131221 Grouse Rocks PST40/100end on Dec 7 facet layer.

Weather Observations
Blowing Snow: 
No
Cloud Cover: 
25% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Light
Precipitation: 
Air temperature trend: 
Warming
Wind Direction: 
Northeast
Accumulation rate: 
More detailed information about the weather: