|
|
| Human Triggered
Date: Mar 11th, 2010
Location:South Aspect Cornbiscuit (with map)
Image credit:
Description: Skier triggered while skinning near ridge on south aspect
Cornbuscuit. 150-300 ft wide, 1-3 ft deep, ran full slope. Slope
had already been skied 5 plus times.
View Full Size
|
|
|
|
Date: Mar 11th, 2010
Location:South Aspect Cornbiscuit (with map)
Image credit:
Description: Skier triggered while skinning near ridge on south aspect
Cornbuscuit. 150-300 ft wide, 1-3 ft deep, ran full slope. Slope
had already been skied 5 plus times.
View Full Size
|
|
|
| Windslab Shooting Cracks
Date: Mar 7th, 2010
Location:Sunnyside (with map)
Image credit:Lisa Portune
Description: We got shooting cracks on this small wind lip breaking 2-6
inches deep. The windslab formed Friday March 5 during the
latest storm.
View Full Size
|
|
|
| Glide Crack Avalanche
Date: Mar 7th, 2010
Location:SE Flank Yudi Peak-Girdwood (with map)
Image credit:Lisa Portune
Description: This glide crack in the upper Girdwood Valley avalanched sometime
this morning when temperatures were in the low single digits.
View Full Size
|
|
|
| Summit Lake Soft-Slabs
Date: Mar 5th, 2010
Location:Tenderfoot and Butcher Mtns
Image credit:Jon Gellings
Description: These recent soft-slab avalanches were observed from Colorado
Peak on Tenderfoot and Butcher Mountains in Summit Lake area.
They are both on SW aspects, and likely failed during the storm
the ni >>>> see full size picture for complete description
View Full Size
|
|
|
| Sunburst Snowpit
Date: Feb 23rd, 2010
Location:Sunburst (with map)
Image credit:Lisa Portune
Description: Supportable rain crust up to 2400 feet...transitions right into
supportable windslab/dense storm snow above that elevation.
Found one layer of buried surface hoar 2.5 feet down and the
Jan. 7 r >>>> see full size picture for complete description
View Full Size
|
|
|
| Sunburst Snowpit
Date: Feb 23rd, 2010
Location:Sunburst (with map)
Image credit:Lisa Portune
Description:
View Full Size
|
|
|
| Snowmachine-Triggered Cornice
Date: Feb 23rd, 2010
Location:Zero Bowl (No Name Bowl) (with map)
Image credit:Matt Murphy
Description: Here is a photo of a cornice failure that was accidentally
triggered by a snowmachiner above Zero Bowl. This is the bowl at
the top of the snowmachine up track on Seattle Ridge. The
consequences >>>> see full size picture for complete description
View Full Size
|
|
|
| Glide Crack
Date: Feb 23rd, 2010
Location:Widow Maker Peak (with map)
Image credit:Matt Murphy
Description: Here is a picture of a glide crack right in the middle of Widow
Maker Peak along Seattle Ridge. These crevasse like features in
the snowpack open up all the way to the ground. It is very
difficul >>>> see full size picture for complete description
View Full Size
|
|
|
| Cornice Failure
Date: Feb 23rd, 2010
Location:Warm Up Bowl (with map)
Image credit:Matt Murphy
Description: The cornices along Seattle Ridge are especially big and fat right
now. This cornice failure happened naturally, but there was a
report of a snowmachine-triggered cornice in Zero Bowl. If you
get >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanches
Date: Feb 20th, 2010
Location:Sunnyside (with map)
Image credit:Lisa Portune
Description: Debris piles from natural avalanches on Sunnyside, most likely
happened on Thursday 2/18/10 during the height of the storm.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Eddies (with map)
Image credit:Lisa Portune
Description: Two natural avalanches on Eddies southwest face, most likely
happened on Thursday 2/18/10.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Pyramid (with map)
Image credit:Lisa Portune
Description: This large natural avalanche on the east face of Pyramid Peak
ripped out to the ground, most likely on Thursday 2/18/10.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Magnum (with map)
Image credit:Lisa Portune
Description: Large natural avalanche on the west face of Magnum that happened
Thursday 2/18/10.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Magnum (with map)
Image credit:Lisa Portune
Description: Two natural avalanches on Magnum's southwest face...most likely
happened 2/18/10.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Twin Peaks-Silvertip (with map)
Image credit:Lisa Portune
Description: These natural avalanches on Twin Peaks (Silvertip) possibly
happened Friday 2/19/10 during the high winds.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 20th, 2010
Location:Sunnyside (with map)
Image credit:Lisa Portune
Description: Another view of the debris from a natural avalanche next to the
snowmachine up-track to Seattle Ridge. This happened Thursday
2/18/10.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 19th, 2010
Location:Winner Creek Valley-Girdwood (with map)
Image credit:Lisa Portune
Description: Another natural avalanche, this one on a west aspect around 2000
feet elevation in the Winner Creek valley. It probably happened
yesterday, Feb. 18, at the height of the storm.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 19th, 2010
Location:Repeat Offender (with map)
Image credit:Matt Murphy
Description: This medium to large natural avalanche probably happened early
Thursday morning 2/18/2010. A lot of the features of this
avalanche have been covered up by wind and new snow; but, notice
how the de >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 19th, 2010
Location:Eddies (with map)
Image credit:Matt Murphy
Description: This medium sized natural avalanche probably occurred early
Thursday morning 2/18/2010.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 19th, 2010
Location:Magnum (with map)
Image credit:Matt Murphy
Description: Another poor quality photo, but it shows a large avalanche that
probably occurred early Thursday morning 2/18/2010. We are not
sure if this was one event or multiple events, but the end result
is >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 19th, 2010
Location:Tincan (with map)
Image credit:Lisa Portune
Description: Huge natural avalanche on the southwest face of Tincan.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 18th, 2010
Location:Max's Mountain-Girdwood (with map)
Image credit:Lisa Portune
Description: This natural avalanche on the west face of Max's (around 3000
feet) happened last night or early this morning. This is
backcountry terrain and not a part of Alyeska Resort.
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 17th, 2010
Location:Kern Creek (with map)
Image credit:Matt Murphy
Description: This lower elevation natural avalanche (crown face is at about
700') failed all the way down to the ground. The most likely
trigger for this avalanche was rain-on-snow which can really
stress the >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 15th, 2010
Location:Tincan (with map)
Image credit:Matt Murphy
Description: This picture is very poor quality because the light was very
flat, but Lisa and I got a break in the weather at Turnagain Pass
today Monday 2/15/2010 to see some of the natural avalanche
activit >>>> see full size picture for complete description
View Full Size
|
|
|
| Snowmachine-Triggered Avalanche
Date: Feb 13th, 2010
Location:Grandview (with map)
Image credit:Paul Kain
Description: A snowmachiner triggered a large avalanche on the west
ridge of Grandview at approximately mile 43 of the railroad
tracks between Portage and Moose Pass. Two riders were caught,
buried, and kill >>>> see full size picture for complete description
View Full Size
|
|
|
| Snowmachine-Triggered Avalanche
Date: Feb 13th, 2010
Location:Grandview (with map)
Image credit:Paul Kain
Description: A snowmachiner triggered a large avalanche on the west
ridge of Grandview at approximately mile 43 of the railroad
tracks between Portage and Moose Pass. Two riders were caught,
buried, and kill >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanches-Tincan
Date: Feb 13th, 2010
Location:Tincan (with map)
Image credit:Lisa Portune
Description: These natural avalanches on the northwest face of Tincan most
likely happened on Friday, Feb. 12. The elevation of the
uppermost slide is about 2300 feet. Notice how the lower-left
slide stepp >>>> see full size picture for complete description
View Full Size
|
|
|
| Natural Avalanche
Date: Feb 13th, 2010
Location:Tincan (with map)
Image credit:Lisa Portune
Description: This large natural avalanche on the climber's left ridge of
Todd's Run (west aspect) most likely happened on Friday Feb. 12.
View Full Size
|
