Daily Winter Weather Report
|Yellowstone National Park Winter Weather Links|
|Avalanche Advisory||Special Weather Info|
|Daily Winter Weather Report||Winter Road Report|
|Snow Depth Totals||Yellowstone Weather Forecast|
Date: Friday - 25 January 2013
|Station||Pres Temp||Max Temp||Min Temp||New Snow||Depth||Sky||Present Conditions|
|Bechler||28.0||29.0||28.0||0||OC||NW @ 2 mph|
|Lake||27.0||27.0||26.1||.05||29||OC||N @ 3|
|Mammoth||33.9||34.4||30.2||0||11||OC||SSE @ 7 - 11 mph|
|Old Faithful||29.2||29.2||27.4||0||25||OC||SE @ 7 - 10 mph|
|Thorofare||24.0||24.0||23.0||0||OC||SSW @ 4 - 11 mph|
|Tower||29.1||29.1||26.8||.05||7.47||OC||WSW @ 2 mph|
* * Live Weather via All Yellowstone WebCams * *
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|Road Section||Status||Conditions||Public Access / Info|
|Gardiner to Mammoth||Open *||STR - Not Maintained from 4:30 PM to 6:00 AM|
|Mammoth to Tower||Open *||STR - Not Maintained from 4:30 PM to 6:00 AM|
|Tower to NE Entrance||Open *||STR - Not Maintained from 4:30 PM to 6:00 AM|
|Beartooth Highway||CLOSED ♦||CLOSED ♦||CLOSED ♦|
|Canyon to Lake||Open||Fair||Rubber tracked oversnow concession vehicles|
|Firehole Canyon Drive||Open||Fair||Rubber tracked oversnow concession vehicles|
|Grant to South Entrance||Open||Good||Rubber tracked oversnow concession vehicles|
|Junction to Chief Joseph Hwy||CLOSED ♦||CLOSED ♦||CLOSED ♦|
|Lake to East Entrance||Open||Fair||Rubber tracked oversnow concession vehicles|
|Lake to West Thumb||Open||Fair||Rubber tracked oversnow concession vehicles|
|Madison to Old Faithful||Open||Fair||Rubber tracked oversnow concession vehicles|
|Madison to West Yellowstone||Open||Fair||Rubber tracked oversnow concession vehicles|
|Mammoth to Norris||Open||Fair||Rubber tracked oversnow concession vehicles|
|Norris to Canyon||Open||Fair||Rubber tracked oversnow concession vehicles|
|Norris to Madison||Open||Fair||Rubber tracked oversnow concession vehicles|
|Old Faithful to Grant||Open||Fair||Rubber tracked oversnow concession vehicles|
|Tower to Canyon||CLOSED ♦||CLOSED ♦||CLOSED ♦|
* = Open year-round to wheeled vehicle travel.
NR=No Restrictions / STA=Snow Tires Advised / STR=Snow Tires Required
♦ = CLOSED FOR THE WINTER SEASON
The park service plowing schedule for roads for the spring season.
******** FOR CURRENT ROAD INFORMATION PLEASE CALL 307-344-2117 ********
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Caution advised for snow falling off of building roofs. Park accordingly.
Dangerous avalanche conditions may already exist in many back country areas, please call the Recorded Avalanche Advisory 406-587-6981 for the most current conditions.
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by the National Weather Service Riverton, WY
Today: Mostly cloudy in the morning then becoming partly cloudy. Southwest winds around 15 mph in the morning becoming southwest around 15 mph late in the afternoon. Highs 27°F to 33°F.
Tonight: Mostly cloudy with a 30 percent chance of snow. South winds around 15 mph. Lows 15°F to 21°F.
Saturday: Mostly cloudy with a 40 percent chance of snow. South winds around 15 mph early in the morning becoming southwest around 15 mph late in the afternoon. Highs 27°F to 33°F.
Saturday Night: Mostly cloudy with a 50 percent chance of snow. Southwest winds around 15 mph. Lows 15°F to 21°F.
Sunday: Snow likely. Snow accumulation of 2 to 3 inches. Chance of snow 60 percent. Highs 25°F to 31°F.
Sunday Night: Colder. Snow likely. Light snow accumulations. Chance of snow 70 percent. Lows 5°F to 11°F.
Monday: Mostly cloudy with a 50 percent chance of snow. Highs 17°F to 23°F.
Monday Night: Mostly cloudy with a 40 percent chance of snow. Lows 2°F to 8°F.
Tuesday: Mostly cloudy with a 40 percent chance of snow. Highs 13°F to 19°F.
Tuesday Night: Colder. Mostly cloudy in the evening then becoming partly cloudy. A 40 percent chance of snow. Lows -6°F to 0°F.
Wednesday: Partly cloudy in the morning then becoming mostly cloudy. A 40 percent chance of snow. Highs 17°F to 23°F.
Wednesday Night: Mostly cloudy with a 30 percent chance of snow. Lows -1°F to 5°F.
Thursday: Mostly cloudy in the morning then becoming partly cloudy. A 30 percent chance of snow. Highs 21°F to 27°F.
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|* * * Snow Depth Totals as reported at SNOTELs * * *|
|Station||Depth (inches)||Station||Depth (inches)|
|Black Bear||72||Parker Peak||46|
|Blackwater||45||Snake River Station||32|
|Evening Star||51||Sylvan Road||23|
|Fisher Creek||67||Thumb Divide||38|
|Grassy Lake||52||Two Ocean Plateau||54|
|Lewis Lake Divide||57||West Yellowstone||24|
|Madison Plateau||50||Whiskey Creek||31|
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from the Gallatin National Forest Avalanche Center - January 25, 2013 - this report is by Mark Staples. This advisory does not apply to operating ski areas.
Yesterday the mountains near Cooke City received 5 inches of snow and the mountains south of West Yellowstone received 3 inches while all other areas received a trace. This morning temperatures were in the low 20s Fahrenheit and winds were blowing 10 to 15 mph from the West and Southwest with gusts of 25 mph. Today temperatures will rise into the low 30s Fahrenheit. Wind speeds will remain the same but wind directions should shift more to the South and Southwest. Clouds will build late this afternoon and tonight a little more snow should fall. Mountains near Bozeman and Big Sky may get an inch of snow with more possible further south.
Snowpack and Avalanche Discussion:
Once again, if there's a chance for snow, the mountains near Cooke City will get it. Five inches of new snow (0.3 inches of SWE) will hardly change the avalanche danger. This new snow should bond quickly to the old, wind-affected, snow surface on most slopes. A group skiing and snowmobiling recently found a few sheltered slopes with soft snow and weak facets on the surface. These slopes may produce sluffs today; otherwise, there will not be much of an avalanche problem until more snow falls and builds a slab. For today the Avalanche Danger is LOW.
The Bridger, Gallatin, and Madison Ranges, the Lionhead area near West Yellowstone:
Mountains south of West Yellowstone received 3 inches of snow while all other areas received a trace. Strong winds about a week ago created highly variable conditions similar to what Eric found yesterday on the west side of the Bridger Range (photo1, photo2). The snowpack is mostly stable and the only problem currently is a layer of facets buried 6 to 16 inches deep. In most areas this layer has gained strength and avalanches on this layer are unlikely.
A Future Problem: Many slopes sheltered from the wind have a layer of weak facets at and near the snow surface. In the southern Madison Range and near West Yellowstone, wind-sheltered slopes have both a layer of facets and a layer of surface hoar. With yesterday's snow and a little more coming tonight, these layers will be capped and preserved to become a problem when more snow falls. This problem will be tricky because many other slopes were hammered by last week's winds and do not have these layers.
For today human triggered avalanches are unlikely and the Avalanche Danger is LOW.
The next advisory tomorrow morning at 7:30 a.m. If you have any snowpack or avalanche observations, drop us a line at firstname.lastname@example.org or call us at: 406-587-6984.
EDUCATION, PHOTOS, SNOWPITS, and VIDEOS
1. For links to Articles, Education and (photos), (snowpits), or (videos) listed in the above report, please visit this Link.
If you have any snowpack or avalanche observations, drop them a line at email@example.com or call: 406-587-6984.
For detailed Avalanche Terms utilized here, please see the Avalanche Glossary.
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Back to the Yellowstone Daily Winter Reports or the Yellowstone Weather Page
Information provided by Yellowstone National Park, National Weather Service and Gallatin National Forest Avalanche Center
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