Northern Mountains

Tue, Nov 12, 2019 at 1:00pm

Issued by: Brian Lazar
WednesdayThursdayLow (1)

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Low (1)

Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.

Danger ScaleNo Rating1Low2Moderate3Considerable4High5Extreme



Most slopes are safe from avalanches. Observers report isolated wind-drifted slabs 2 to 6 inches thick at higher-elevations on east-facing slopes, but these are generally harmless unless they knock off your feet and drag you through rocks and other unforgiving obstacles.  Current conditions are likely to remain unchanged until our next loading event, hopefully this next weekend. 


Weather Discussion

A weak shortwave system to our north will bring strengthening winds and increasing cloud cover to Colorado Tuesday night. High pressure builds yet again on Wednesday. A weak shortwave brushes the Wyoming-Colorado border, but we'll only see scattered snow flurries along our northern border at best. Most mountain areas will see another warm and sunny day, and continued gusty conditions.  Wednesday night is cool and clear with nighttime lows in the teens to mid 20s. 

We are issuing morning and afternoon Zone Weather Forecasts. You can check current conditions on the Weather Stations page.

Snowpack and Avalanche Discussion

Lack of continuous snow cover means most slopes pose little avalanche hazard. You could find trouble if you really went looking for it on wind-loaded slopes below ridgelines and in cross-loaded gullies, where drifted snow is just deep enough to obscure the ground cover. There are thin, isolated stiffer slabs in these terrain features resting over weak snow. Any avalanche you trigger will be small, but even a small avalanche can be dangerous with many rocks and other nasty obstacles in the path. This recent observation from near the Eisenhower Tunnel  tells the story for most of the Northern Mountains. 

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