The Bridgeport Winter Recreation Area is CLOSED for the season. Thank you for all the support & we will see you next winter.
Swirling winds, mostly from the South-Southwest, will continue to strip the above treeline zone & deposit snow to near & below treeline. Some Wind Slab deposits are growing very large & ominous with sharp edges & Cornices. It is very likely that if you ride upon a Wind Slab connected to a steep slope that you could trigger an avalanche up to a size D3.
Continued snowfall will exacerbate the Storm Slab problem, adding another 10" to the pack throughout today. Density changes within the uppermost snowpack will be the most reactive to avalanches. Use an inclinometer to accurately measure the slope angle to keep yourself well away from areas above 35 degrees.
An amazing display of tender Cornices are available for natural or human triggering all across the BWRA. Do not approach these wind deposits as they can break above you, giving you no chance for escape. If a Cornice falls, it will likely entrain more snow upon the slope creating a very large avalanche scenario.
A series of well proportioned & windy storms has been constant for our region. Wind Slabs are growing ever larger & more suspect to natural avalanches large in size. Wind created features, such as Cornices, are unsupported & easily triggered by human influence. The snowpack depth ranges from 145cm to over 350cm across the mountains. Within the uppermost layers of the snowpack exist several density changes & melt-freeze crusts. Bonding in our test location seemed good enough to not initiate or propagate fractures within the top 50cms. Although perpetual snowfall & gusty winds will keep the Wind Slab problem at the top of the hazard list for all aspects & elevations.
~Yesterdays observation found a wind effected surface snow layer that did not react to our specific snow tests. Several density changes & crusts were found in the upper 50cm of snow. Supportable snow was found near the melt-freeze crust making for good riding conditions.
~Previous observations saw evidence of rain below 8500' creating small Loose Wet avalanches. Areas of moist snow over dry snow had a potential for Wet Slabs but none were seen due to poor visability.
|0600 temperature:||23 deg. F.|
|Max. temperature in the last 24 hours:||32 deg. F.|
|Average wind direction during the last 24 hours:||South|
|Average wind speed during the last 24 hours:||Light mph|
|Maximum wind gust in the last 24 hours:||Strong mph|
|New snowfall in the last 24 hours:||9 inches|
|Total snow depth:||112 inches|
Snow will continue today throughout tomorrow with an additional 10 inches likely in higher elevations. Southwest winds will be constant & stripping the alpine of any loose snow grains & redistributing them to near & below treeline Slabs. A cold front today will keep air temperatures below normal & continued snow for the Sierra Crest through Saturday. Periods of warmth & rain can be felt in the snowpack as density changes or melt-freeze crusts.
This snowpack summary applies only to backcountry areas in the Bridgeport Winter Recreation Area. Click here for a map of the area. This snowpack summary describes general avalanche conditions and local variations always occur. This snowpack summary expires in 48 hours unless otherwise noted. The information in this snowpack summary is provided by the USDA Forest Service who is solely responsible for its content.
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