Observation Date
4/16/2015
Region
Salt Lake » Big Cottonwood Canyon » Brighton Perimeter
Location Name or Route
Brighton Start: Millicent, Upper Solitude Canyon, West Facing Honeycomb
Weather
Sky
Broken
Precipitation
Light Snowfall
Wind Direction
Northeast
Wind Speed
Moderate
Weather Comments
Overcast skies up until 11:30, and then the skies became Broken. A few very short periods of Light Snowfall. Moderate North through Northeast winds with intermittent Strong Gusts. Moderate Transport and or Wind Blown Snow. Slabs developing, yet they were not reactive; and with the skies clearing combined with the tempertures warming, these slabs did not appear to be of consequence. The temperatures appeared to be at least 15 to 20 degrees warmer than they were on Wednesday.
Snow Characteristics
New Snow Depth
5"
New Snow Density
Low
Snow Surface Conditions
Dense Loose
Wind Crust
Damp
Snow Characteristics Comments

In the early morning hours before the temperatures rose, and in areas that were undisturbed by wind, the new snow had settled at least 25%; and this degree of settlement appeared consistent in many locations.

The unusual N - NE winds combined with the warming temperatures appeared to adversely affect the Snow Conditions. The typical good Spring stashes of upper elevation North facing terrain were getting stripped by the "wrap-around" winds. There is still some good very dense settled powder on the steep North facing terrain above 9300 feet. Yet, it appears that you have to be at least 100 to 150 feet down from the Ridgeline because of the previously mentioned wind issues.

All aspects below 9000 feet became damp and or saturated due to the warming and cloud cover.

Exits are now quite treacherous due to the low snow cover, as well as most terrain with aspects on the lower half of the compass.

The riding conditions were much better before noon due to the Cloud Cover, and when the Clouds Broke apart even North facing aspects up to 9300 feet were adversely affected.

The only significant avalanche activity observed occurred on Wednesday during the High PI Rates. There were numerous small Soft Slab Avalanches that appeared to be triggered by excessive sluffing that was pouring off of the steep East and Northeast Facing Honeycomb Cliffs.

Red Flags
Red Flags
Rapid Warming
Red Flags Comments
The new snow was not triggered by the warm temps and sun on the easterly facing aspects due to the morning cloud cover.
Avalanche Problem #1
Problem
Wet Snow
Trend
Increasing Danger
Problem #1 Comments

Widespread Loose Wet Avalanche Activity and associated precursors observed on Southerly facing aspects, within the new snow, at and below 8200 feet. And with Friday Temperatures forecasted to be at least another 10 degrees warmer, we may continue to see a bit more of the same. East aspects may become active on Friday if the Cloud Cover is not solidly in place in the morning hours.

Wet Slabs within the new snow may also be an issue if we see intense sunshine in the early morning hours. Regardless, if we see intense sunshine, Natural Wet Avalanches may be a problem and this may result in a Considerable Hazard.

Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Considerable