Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding, and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
Temp Avg (F) | Snow (in) | Water (in) | Snow Depth (in) | |
Center Ridge (1880′) | ||||
Summit Lake (1400′) | ||||
Alyeska Mid (1700′) |
Temp Avg (F) | Wind Dir | Wind Avg (mph) | Wind Gust (mph) | |
Sunburst (3812′) | ||||
Seattle Ridge (2400′) |
Date | Region | Location | Observer |
---|---|---|---|
04/16/24 | Turnagain | Observation: Cornbiscuit | Krueger / Matthys Forecaster |
04/15/24 | Turnagain | Observation: Taylor Pass | John Sykes Forecaster |
04/15/24 | Turnagain | Observation: Seward Highway – Tern Lake to Portage | Joel Curtis |
04/14/24 | Turnagain | Observation: Sunburst | T. Olsen-Lund, R. Sullivan I. Adams |
04/14/24 | Turnagain | Observation: Turnagain Pass Snomo | K. Gallaher |
04/13/24 | Turnagain | Observation: Spokane Creek | Everet Megli |
04/11/24 | Turnagain | Observation: Tincan | John Sykes Forecaster |
04/10/24 | Turnagain | Avalanche: Seattle Ridge | Schauer/ Keeler Forecaster |
04/10/24 | Turnagain | Observation: Cornbiscuit South Face | Todd Kelsey |
04/10/24 | Turnagain | Avalanche: Tincan | N. Dumont J. Carlberg |
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