Avalanche Advisory for Tuckerman and Huntington Ravines
Posted: 8:22 a.m., Friday, January 16, 2004

Tuckerman Ravine currently has MODERATE and LOW avalanche danger. Right Gully, The Bowl, Lip and Headwall have Moderate avalanche danger. Natural avalanches are unlikely and human triggered avalanches are possible. Unstable slabs are possible in steep terrain. Use caution in steeper terrain. All other areas in Tuckerman Ravine have Low avalanche danger. Natural avalanches are very unlikely and human triggered avalanches are unlikely except in isolated pockets. Normal caution is advised. These isolated pockets do exist so keep your avalanche eyes open in all areas today.

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.

It is another cold and windy day up here on Mt. Washington. The summit temperature at 7:00 am was -38c (-36f) with winds out of the NW at 117 kph (73 mph). Winds are expected to gust over 160 kph (100 mph) today and wind chills could exceed -100 F. To put it simply, it is just brutal outside. If for some reason you do venture into avalanche terrain, expect unstable snow in strong lee areas of NW winds. Most noteably are the areas posted at Moderate today. As of yesterday, these areas had picked up new snow from wind loading after having already gone through one avalanche cycle. As winds increased yesterday, more snow was transported into these strong lee areas creating potentially unstable wind slabs.

The end of the really cold weather is in sight! As the low pressure system responsible for our high winds moves out it will draw warmer air from the south into our region. Weekend valley temperatures are expected to reach -7c (20f) by Sunday. This should feel like beach weather to most folks in New England.

The John Sherburne ski trail has variable conditions. Expect areas of water ice, 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:
•   ****Any new precipitation may increase the avalanche danger, this includes wind transported snow. ****Obtain the latest weather forecast before starting out. ****For more information, contact any of the following: U.S. Forest Service Snow Rangers, AMC at the Pinkham Notch Visitor Center, AMC at the Hermit Lake Shelters, HMC at the Harvard Cabin. ****This avalanche advisory will expire at midnight.****

Brian Johnston, Snow Ranger
USDA Forest Service
White Mountain National Forest
(603) 466-2713 TTY (603) 466-2856
 
This is the Official Tuckerman Ravine website.  Occasionally the remoteness of Tuckerman Ravine, weather, or communication problems prevent the website from being updated immediately.  Check the date, and if it is not the most recent, you can also call the National Forest Service's 24 hour avalanche hotline at (603) 466-2713 (ext. 4)

Avalanche Advisory Archives.

United States Avalanche Danger Descriptions.

Échelle Canadienne de risque d’avalanche.

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