| Posted: 8:10 a.m., Wednesday, January 21, 2004 |
Huntington Ravine has LOW avalanche danger. Natural avalanches are very unlikely and human triggered avalanches are unlikely except in isolated pockets. Normal caution is advised.
We had a beautiful sunrise, the light giving us a great look at new fracture lines in Tuckerman Ravine. A large portion of the Lip avalanched as well as an area at the bottom of the Sluice. It appears that the fracture on the Lip stepped down to an older layer, possibly the facets over crust combination that a deep Sluice slab failed on last week. We'll take a closer look today and let you know what we find. The ravine did pick up additional wind deposited snow over the last few days. This dense windslab was deposited over lower density snow. It may only be waiting for that human trigger to let it loose.
In Huntington Ravine the winds have scoured out the ravine fairly well. There is a lot of old surface showing but you may encounter pockets of unstable snow. Pay attention to areas with new snow and travel on the old surface where possible. Areas posted at Low over in Tuckerman do have isolated pockets of new wind deposited snow. You should know how to recognize and avoid them if you are travelling in these areas.
Today's forecast calls for increasing clouds and a chance of snow showers this evening into tomorrow.
The John Sherburne ski trail has variable conditions. Expect areas of water ice, large new drifts, and abrupt water bars. Be prepared for sudden changes in the trail.
THE LION HEAD WINTER ROUTE IS OPEN. This is a steep and challenging route. Ice axe, crampons, and the skill to use them well are necessary for safe travel. Remember, it is always easier to go up than come down.
AS ALWAYS, THIS ADVISORY IS ONE MORE TOOL TO HELP YOU MAKE YOUR OWN DECISIONS IN AVALANCHE TERRAIN. It should be used along with your own snow stability assessments, knowledge of safe travel techniques, skill in reading mountain weather's effect on the snowpack, and avalanche rescue.
| Please Remember: | ||
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Avalanche Advisory Archives.
United States Avalanche Danger Descriptions.
Échelle Canadienne de risque d’avalanche.
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