Avalanche Advisory Archive 2016 – 2018

Date Issued:2017-03-03 06:43:31
Danger:4
Primary Trend:2
Primary Probability:3
Primary Likelihood:4
Primary Size:2
Primary Description:

With mild taku winds along the channel continuing to load the urban avalanche zones natural slides are likely. We had a fair amount of wind early in the storm as well.

Wind slabs were spotted releasing naturally all over the place yesterday. Human triggers were quite common as well.

Danger remains today with this continued windloading.

Secondary Trend:1
Secondary Probability:1
Secondary Likelihood:4
Secondary Size:2
Secondary Description:

Yesterday you could see dry loose avalanches all over the place on the steep faces. Any snow falling off of trees and rocks was enough to release fast running loose dry snow avalanches.

Be aware of your position in the terrain. These will be quite fast and in longer steeper places could be quite large.

With no snow in the forecast today this condition will start to stabilize over time.

Discussion:

The National Weather Service Forecasts-

Today- Mostly cloudy. Scattered snow showers in the morning. highs around 25. Northeast wind 10 to 20 mph. Locally higher gusts near downtown juneau and douglas in the afternoon.

Tonight- Mostly clear. Lows 13 to 19. North wind 10 mph...except northeast wind 15 to 25 with gusts to around 40 mph near downtown juneau and douglas.

Saturday- Increasing clouds. Windy. Areas of blowing snow. Highs 12 to 22. North wind 20 to 30 mph, wind gusts up to 40 mph in the morning.

Good morning powder hounds!!! We received another 4-6\" snow around the region in the last 24 hours bringing the 3 day storm totals to around 17\" on the Eaglecrest gauge. Due to wind it is a great deal deeper in places. I noted several areas with 20\"+ new snow even yesterday.

The new snow densities are quite light and after 3 days of settling, wind, and more the densities have finally hit 10% overall which is still good dry snow for the day of a storm let alone after 3 days of settling.

This new snow is quite light dry, and loose allowing for easy wind transport. The town side of the channel has seen more wind than Douglas but it is a consideration either way.

Yesterday a great number of small loose avalanches could be observed in the steep areas. I also saw a great deal of slab avalanche activity. Mostly wind slab related yet there is enough snow in this storm slab now to also pose a risk.

With another 4-6\" that we received overnight and continued loading winds avalanche danger is HIGH today. Both Natural and Human Triggered Avalanches are likely.

Currently its 15f at the Eaglecrest base, 12f mid mountain and 9f on summit. Mt Roberts is a little warmer at 13f. The forecast calls for continued cold weather.

Winds are out of the North blowing 15-25 at the Tram and a little less at Eaglecrest showing 8-10.

Be aware there are multiple weak layers in play and enough loose unconsolidated snow to create large sluff avalanches as well.

Please avoid the Flume trail today as well as the gated areas above the Berhands Neighborhood.

Tip:

DANGER DANGER DANGER>>> ITS MOVING OUT THERE> Be aware the trap has been set... don't step in the wrong place...

Avalanche danger is high today. Remember good practices.

Avalanche Transceiver, Probe, Shovel, and a well trained partner... Skiing safe spot to safe spot one at a time with spotters in place... looking for islands of safety... having an escape route in mind and a plan...

Have an amazing day folks and look out for one another... Be a little conservative today and live to ride again...

Forecaster:Tom Mattice