Unusual Wind Loading in the BWRA

Location Name: 
BWRA - McKay Creek and Voodoo Bowl
Region: 
BWRA
Date and time of observation: 
Tue, 03/23/2021 - 14:00
Location Map: 


Red Flags: 
Whumphing noises, shooting cracks, or collapsing
Recent loading by new snow, wind, or rain

Observation made by: Avalanche Specialist
Snowpit Observations
More detailed information about the snowpack: 

Today we snowmobiled up to the BWRA and poked around the McKay Creek drainage and the Voodoo Bowl area. Temperatures were cold and skies were generally broken with off and on light to moderate snow showers. There was around 3-4 inches of fresh snow resting on a breakable melt freeze crust that was most stout on southerlies and nearly non-existent on northerlies. . Winds were variable and unusual today. We observed wind directions mostly out of the east and northeast, but terrain channelling resulted in other wind directions in some areas as well. Winds were blowing in the moderate to strong category. The 3-4" of fresh snow was heavily wind effected, especially near and above tree line. The unusual wind direction loaded up SE-S-W-NW aspects. Touring in the Voodoo Bowl area we observed fresh wind deposits up to 2 feet deep near tree line, but they were quite small in their extent, generally confined to the most loaded spots near ridges. We observed cracking and collapsing in these fresh wind deposits and steeper loaded slopes likely would have produced small wind slabs. We also dug a quick pit on a wind protected NW aspect at 9000 ft in McKay Creek. HS 240cm. ECTX other than some insignificant, non-propagating breaks in the recent snow. 

Snowpack photos: 
Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
75% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Moderate
Precipitation: 
Snow
Air temperature trend: 
Static
Wind Direction: 
East
Accumulation rate: 
Less than 1 in. per hour
More detailed information about the weather: