Snowpack Summary for 3/11/2018

Snowpack Summary published on March 11, 2018 @ 5:43 am
Issued by Gabe Coler

bottom line:

Warmer, sunny weather should make for a beautiful day in the mountains, but could also produce Loose Wet avalanches on steep sunny slopes.

Avalanche Character 1: Loose Wet
Loose Wet avalanches occur when water is running through the snowpack, and release at or below the trigger point. Avoid very steep slopes and terrain traps such as cliffs, gullies, or tree wells. Exit avalanche terrain when you see pinwheels, roller balls, a slushy surface, or during rain-on-snow events.
Snowpack Discussion

Phil reported a little surface melting yesterday on more southern slopes that produced a thin crust as it refroze by the end of the day. This is probably not dissimilar from last weeks snow surface conditions. Beneath that, our upper and mid snow pack can be easily defined by the remnants of our last big storm cycles. Disintegrating fragments transition to rounds and increase in hardness with depth. We have no evidence of any persistent weak layers in our snow pack.

recent observations

No recent avalanche observations.


High pressure should be the predominant theme Sunday and into Monday. We'll have mostly clear skies and high temperatures above freezing.


This snowpack summary applies only to backcountry areas. 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.

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