Natural loose dry avalanches from this week were observed yesterday, see picture under Loose Dry Avalanche Problem.
An isolated, very small, skier triggered slab from previous wind loading, 2-10″ thick, was triggered on a south aspect at approximately 4500′ yesterday. The skier was not carried or caught.
Natural wind slab avalanches from last weekend’s wind event (1/12 – 1/13) were spotted on Monday.
Above: Natural wind slab avalanche on west aspect of ridgeline between Skyscraper and Granite Mtns.
Above: Natural wind slab avalanche on east aspect in cross loaded gully directly north of Martin Gully
Above: Wind scouring on East ridge of peak 4068.
Above: Raised tracks on Marmot, SW face.
Above: Thin coverage in many areas, rocks exposed.
Above: Deep holes and moats in the boulder fields.
This week’s weather at 3550′:
Temps averaged 29ºF, with a low of 18ºF and a high of 34ºF.
No new snow.
Overnight at 3550′:
Temps averaged 20°F.
No new snow.
This week’s weather at 4500′:
Temps averaged 27ºF, with a low of 21ºF and a high of 32ºF.
Winds averaged ESE 6 mph, max 21 mph . Gusts averaged ESE 11 mph, max gust ESE 43 mph.
Overnight at 4500′:
Temps averaged 19ºF overnight, with a Low of 17ºF.
Winds averaged SSW 2 mph overnight. Max gust W 9 mph.
NWS Rec Forecast HERE
State Parks Snow Report and Motorized Access information HERE
Generally cool temperatures forecasted this weekend with high pressure. It’s 6ºF at the Palmer airport this morning and 18ºF on top of Marmot Mountain at 4500′. An inversion today has produced warmer temperatures at the upper elevations. Light winds through the weekend. No new precipitation forecasted.
The avalanche hazard is expected to remain the same through the weekend.