The Avy Rose shows the forecasted danger by elevation and aspect.
It adds more detail about where you are likely to find the dangers mentioned in the forecast. The inner circle shows upper elevations (mountain top), the second circle is middle elevations, and the outer circle represents lower elevations.
Think of the Rose as a birds-eye view of a mountain, looking down from above. The rose allows our forecasters to visually show you which parts of the mountain they are most concerned about.
Natural and skier-triggered slides size D1-D2 were observed in low vis Thursday in the Lutak zone. Other observations have been limited. Sadly, there was an avalanche involvement at Mumford's (Lutak Zone), Wednesday 3/13 with one fatality.
Our zones have seen 15-36" of new snow in the last week (lowest amounts at the pass, highest in the Lutak zone). South winds have been howling out of the southeast. Periods of heavy Precipitation will continue Friday night and Sunday, with 1-3" of additional SWE and snow levels rising to 2000ft Saturday, and up to 4000ft Sunday.
Snow Depth [in]
Last 24-hr Snow/SWE [in]
Last 3-days Snow/SWE [in]
Today's Freezing Level [ft]
Next 24-hr Snow/SWE
10" / 0.80
22" / 1.80
2000 rising to 4000ft sunday
12" / 1.00 *
6" / 0.60
17" / 1.50
12" / 1.00 *
5" / 0.45
8" / 0.75 *
( *star means meteorological estimate )
If you get out riding, please send in an observation!
Do a rescue practice with your partners. Always carry a beacon, shovel, and probe, and KNOW HOW TO USE THEM.
Practice good risk management, which means only expose one person at a time to slopes 30 degrees and steeper, make group communication and unanimous decision making a priority, and choose your terrain wisely: eliminating unnecessary exposure and planning out your safe zones and escape routes.
All avalanche terrain should be avoided this weekend. This includes lower runout zones in valley bottoms.
Details about Wednesday's avalanche fatality will be updated on our accidents page: https://alaskasnow.org/haines-hac/haines-accidents/
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