Avalanche

Bryant Peak Col

Trevor KostanichSnoqualmie Pass
View on map

Quick report

Observed many avalanches. Some live on WSW side of Bryant that all initiated as loose wet from solar with some pulling out small (D1) slabs in open terrain below cliffs. Observed a couple avalanches that occurred within an hour as we travelled back same route with one new avalanche in upper skier's left side of Bryant Peak Couloir and one new avalanche coming over our skin track from NE side of Bryant. All seemed to be initially triggered from solar/warming but the one on the NE side of Bryant had no solar. Observed some blowing snow near this one's start zone so speculate that some additional wind load triggered it. Also observed new (recent in last couple hours) avalanches under the Tooth running into middle of Pineapple Basin. Observed multiple recent and live avalanches. Multiple storm slabs triggered from wet loose avalanches coming off cliffs/steeps above.

Weather

Cloud Cover
broken
Wind Loading
light
Rain Elevation
4000
Snow Avail For Transport
moderate amounts

Broken skies with some light precip in the morning. Skies broke mid day with strong solar impact

Snowpack

18-24" of heavy storm snow

Avalanche

Size
D2
Type
SS
Count
3
Aspect
W
Trigger
NL
Elevation
5500 ft

Largest avalanche observed today. Due to added exposure, did not risk getting near crown to investigate bed surface but appears to have failed at interface of storm snow. Smaller 30cm crown stepped down to 70cm but believe it to be deeper deposition zone and did not get deep enought to known PWLs.