Tuesday 12/24/24 |
|
0.1/1" Alpine
0.1/1" Shower
0.1/1" Lone |
0.0/0" Carrot
0.0/0" Madison
0.1/1" Sawtelle
0.1/1" Fisher
|
10-20 G35
5 G15 in Cooke |
S-W
NW Cooke |
|
|
Monday 12/23/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.2/2" Fisher
|
10-25
G25-45 |
W-SW
NW Cooke |
|
|
Sunday 12/22/24 |
|
0.1/1" Alpine
0.2/2" Shower
0.2/2" Lone |
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.2/2" Fisher
|
10-30
G40-55 |
SW-W |
|
|
Saturday 12/21/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-20 G25-40 |
SW-NW |
Snowmobiler triggered wind slab on Buck Ridge |
|
Friday 12/20/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-25 G30-50
10 G20 in Cooke |
S-W-NW |
|
|
Thursday 12/19/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.5/0" Fisher
|
25-40
G80 |
W |
E Face Mount Fox avalanche ; Natural avalanche on Fan Mountain; Cornice triggered avalanche in Hourglass chute |
Snow was falling in Cooke yesterday, but with wind hard to measure how much
Sawtell rimed again |
Wednesday 12/18/24 |
|
0.1/1" Brackett
0.2/2" Shower
0.1/1" Timber |
0.2/2" Carrot
0.1/1" Madison
0.1/2" Wt Elephant
0.2/2" Fisher
|
15-35 G55
10 G25 Cooke |
SW-NW |
Small windslab along Beehive Ridge; Wind Slabs near Cooke City; Skier triggered wind slab in Frazier Basin; Natural avalanche, Saddle Peak; Wind slab avalanches in Naya Nuki Bowl ; Natural Avalanche on Arden Peak; Natural Avalanche Activity, Cooke City |
|
Tuesday 12/17/24 |
|
0.6/5" Brackett
0.2/2" Shower
0.6/12" Timber |
0.7/7" Carrot
0.4/4" Madison
0.5/5" Wt Elephant
0.5/5" Fisher
|
10-20 G40 |
NW-SW |
Wind/storm slab avalanche in the Bridger Range; Remotely triggered slide near Buck Ridge; Widespread weak layer Island Park; Collapsing on West Henderson; Terrain trap avalanche in Buck Ridge |
|
Monday 12/16/24 |
|
1.0/8" Alpine
0.4/5" Shower
0.5/7" Timber |
0.2/2" Carrot
0.3/3" Madison
0.3/3" Sawtelle
0.4/5" Fisher
|
10-20
G30-45
G54 Hyalite |
W-NW-SW |
2 Storm Slabs near Buck Ridge; Natural Avalanche on the Fin |
|
Sunday 12/15/24 |
|
0.2/2" Alpine
0.0/0" Shower
0.2/3" Timber |
0.3/2" Carrot
0.5/4" Madison
0.7/6" Sawtelle
0.2/2" Fisher
|
10-20
G30-45 |
SW-W |
Windslab above surface hoar near W. Yellowstone/IP; Shooting cracks in Middle Basin; Small skier triggered wind slab in N Madisons; Storm snow avalanche in Middle Basin ; Large Whumph at Blackmore; Slide South of Henderson Bench; Skier triggered slide at The Throne; New snow avalanche in Hyalite east fork ; Many natural avalanches on Saddle Peak; Skier caught and buried at Bridger; Snowmobile triggered avalanche, Buck Ridge |
@0600 |
Saturday 12/14/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.1/1" Fisher
|
20-30 G35-50
10 G25 in Cooke |
S-W |
Wind Slab in Taylor Fork |
|
Friday 12/13/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-20 G25-35
25 G50 in Hyalite |
S-W |
|
|
Thursday 12/12/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15
G20-30 |
W
some NW & SW |
|
Trace of snow in a few places |
Wednesday 12/11/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Lionhead
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-20
G 25-40 |
W and NW |
|
|
Tuesday 12/10/24 |
|
0.1/3" Bridger
0.1/2" Shower
0.1/1" Lone |
0.0/0" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.0/0" Fisher
|
5-15 G35
20 G45 Bridger Range |
W-N |
|
|
Monday 12/9/24 |
|
0.3/4" Bridger
0.8/10" Shower
0.2/4" Lobo |
0.0/0" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.1/1" Fisher
|
5-15 G55 |
W-NW |
|
|
Sunday 12/8/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.2/1" Timber |
0.2/2" Carrot
0.0/0" Madison
0.1/1" Sawtelle
0.2/2" Fisher
|
10-30
G40-60
G74 Big Sky |
SW-W-NW |
Avalanche Hayden Creek |
@0600 |
Saturday 12/7/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-25
G25-47 |
W-NW |
|
|
Friday 12/6/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-15 G15-30 |
NW-W |
|
Temperature Inversion - Valley temps colder than mountains |
Wednesday 12/4/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-15 mph
G 30 |
NW and W |
|
|
Tuesday 12/3/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-15
G20-35
25-30 @BigSky
|
W
N-NW Cooke |
|
Temps @0400:
- 30-34 F at 8-10k', 20s F in valleys
- 46 F at Bridger Base
- mid-20s near Cooke
|
Monday 12/2/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-15 G30 |
W-N |
Wet loose slides at Big Sky; Wet Loose at Lulu Pass; Small Wet Loose on Eglise Rock |
Temps @ 0400
North: Upper 20s-31 F
South: Teens F |
Sunday 12/1/24 |
|
0.1/1" Alpine
0.1/1" Shower
0.0/0" Lobo |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.1/1" Fisher
|
15-20 G45 Northern Ranges
5-15 G30 Southern Ranges |
N-W |
Natural Wet Snow Avalanche, in Bridgers |
|
Saturday 11/30/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-20 G25-40 |
NW-W |
Small Wind Slab Avalanches off Buck Ridge |
|
Friday 11/29/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-20 G25-35
5 G15 in Cooke |
NW-W |
Wind slab avalanche near summit of Mt Blackmore ; Skier Triggered Avalanche near Going Home Chute |
|
Thursday 11/28/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-15 G20-30 |
NW-W |
BSSP Triggered deep avalanche in Big Couloir; Old wind slab Henderson |
|
Wednesday 11/27/24 |
|
0.1/2" Brackett
0.2/2" Shower
0.3/6" Timber |
0.2/2" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.2/2" Fisher
|
5-15
G15-35 |
W-NW
SW yesterday |
Loose Snow Avalanches Mt Blackmore |
|
Tuesday 11/26/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/1" Fisher
|
15-25 G45 |
SW-NW |
BSSP triggered avalanches on facets and wind slabs |
|
Monday 11/25/24 |
|
0.1/2" Brackett
0.3/3" Shower
0.1/2" Lone |
0.1/1" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.3/3" Fisher
|
5-10
G 15-20
Increase late Sun night
& Mon AM |
W |
Natural Avalanches on Saddle Peak; Avalanches and cracking at Big Sky |
|
Sunday 11/24/24 |
|
0.3/3" Bridger
0.5/5" Shower
0.5/5" Lone |
0.6/3" Carrot
0.6/3" Madison
0.8/4" Wt Elephant
0.6/5" Fisher
|
10-30
G20-55 |
W-SW
NW IP |
|
|
Saturday 11/23/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-30
G35-55 |
SW-W |
Cracking and wind slab formation at Bridger |
|
Friday 11/22/24 |
|
0.1/1" Alpine
0.0/0" Shower
0.3/3" Lobo |
0.5/3" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.3/2" Fisher
|
25-35 G50-55
15 G30-40 Bridgers & Cooke |
SW-W |
Localized cracking and collapsing on Mt. Henderson |
|
Thursday 11/21/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
/
0.0/0" Fisher
|
30-40
G 50-60
except Bridgers and Cooke |
S/SW |
Thin windslabs in northern Bridgers; Wet snow avalanches in Hyalite |
Warming ahead of storm system |
Wednesday 11/20/24 |
|
0.3/4" Brackett
0.1/1" Shower
0.1/1" Lobo |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.1/1" Fisher
|
15-25 G45
except Bridgers and Cooke:
5-10 G30 |
SW-NW |
|
|
Tuesday 11/19/24 |
|
0.6/9" Bridger
0.5/7" Shower
0.5/9" Lone |
0.4/4" Carrot
0.4/4" Madison
0.5/4" Wt Elephant
0.3/3" Fisher
|
5-15 G35 |
W-N |
|
|
Monday 11/18/24 |
|
0.1/1" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.3/3" Fisher
|
10-20
G35-55 |
W-SW |
Shooting Cracks in Beehive Basin |
|
Sunday 11/17/24 |
|
0.0/0" Brackett
0.1/1" Shower
0.1/1" Lone |
0.2/2" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.1/3" Fisher
|
20-30
G 35-50
less wind in Cooke |
W |
Wind Slab Avalanche - Northern Bridger Range |
|
Saturday 11/16/24 |
|
0.5/4" Brackett
0.3/3" Shower
0.1/2" Lone |
0.3/3" Carrot
0.1/1" Madison
0.1/2" Wt Elephant
0.0/0" Fisher
|
Before snow
30 G50 Bridgers
5-15/G20-30
After
7-20 G15-30
|
Before snow
E-SE
After
E->N->W |
Small storm slabs Hidden Gully |
|
Friday 11/15/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-20 G20-45 |
E-SE |
|
|
Thursday 11/14/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-30
G45-65 |
W-SW |
|
|
Wednesday 11/13/24 |
|
0.1/1" Bridger
0.2/2" Shower
0.1/1" Lone |
0.3/3" Carrot
0.3/3" Madison
0.2/3" Wt Elephant
0.2/3" Fisher
|
10-20
G20-35 |
NW-SW |
|
|
Tuesday 11/12/24 |
|
0.3/3" Brackett
0.2/2" Shower
0.1/1" Lone |
0.1/1" Carrot
0.0/0" Madison
0.1/0" Wt Elephant
0.0/0" Fisher
|
5-20
G30-45 |
W-SW |
|
@0600 |
Monday 11/11/24 |
|
0.1/0" Brackett
0.0/0" Shower
0.1/1" Lone |
0.0/0" Carrot
0.1/0" Madison
0.0/0" Wt Elephant
0.2/2" Fisher
|
10-20
G30-40 |
W-SW |
|
Rain up to 7500-8000'? last night. |
Sunday 11/10/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-15
G25-37 |
W |
|
|
Saturday 11/9/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
5-15 G25 |
N-NW |
|
|
Friday 11/8/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
5-15 G25
25-35 Bridgers |
N-NE
W Bridgers |
|
|
Thursday 11/7/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
15-30 G40 |
W-N |
Natural Avalanche Bridger Bowl |
|
Wednesday 11/6/24 |
|
1.0/15" Bridger
0.7/10" Shower
0.4/4" Lone |
0.1/1" Carrot
0.1/1" Madison
0.0/0" Wt Elephant
0.1/1" Fisher
|
10-25 G45 |
W-N |
Skier-triggered avalanche in Super Couloir; Small natural avalanches below ridge South of saddle peak; Whumphing and cracks below the Apron; Natural Avalanche near Fairy Lake |
|
Tuesday 11/5/24 |
|
0.2/2" Alpine
0.2/2" Shower
0.3/4" Timber |
0.4/4" Carrot
0.3/4" Madison
0.4/4" Wt Elephant
0.2/2" Fisher
|
10-25 G60 |
W-N |
|
|
Monday 11/4/24 |
|
0.1/1" Alpine
0.1/1" Shower
0.0/0" Lone |
0.1/1" Carrot
0.2/4" Madison
0.0/0" Sawtelle
0.1/1" Fisher
|
5-10 G25 |
W-NW |
Early season avalanche, outside advisory area |
|
Sunday 11/3/24 |
|
0.5/6" Bridger
0.6/9" Shower
0.6/11" Lobo |
0.6/7" Carrot
0.8/5" Madison
0.7/6" Wt Elephant
0.3/3" Fisher
|
10 G20
G40 Island Park |
SW-W-N |
|
|
Saturday 11/2/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-20
G30-45 |
S-W |
Climber triggered wind slabs at the Sphinx |
|
Friday 11/1/24 |
|
0.3/3" Brackett
0.1/2" Shower
0.2/5" Timber |
0.3/5" Carrot
0.6/7" Madison
0.8/8" Sawtelle
0.4/7" Fisher
|
5-15
G20-30 |
SW-W |
|
|
Thursday 10/31/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-25
G25-40 |
SW-W |
|
|
Wednesday 10/30/24 |
|
0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/1" Fisher
|
5-10
G10-25 |
NW-SW-S |
|
|
Tuesday 10/29/24 |
|
0.1/1" Brackett
0.6/6" Shower
0.2/2" Lone |
0.4/4" Carrot
0.3/3" Madison
0.5/5" Sawtelle
0.5/5" Fisher
|
5-20
G20-35 |
W-NW-N |
|
|
Monday 10/28/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-25 G55
G70 Lionhead |
W-SW |
|
@0700 |
Sunday 10/27/24 |
|
0.0/0" Bridger
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-25 G55 |
W-SW |
|
|
Saturday 10/26/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
10-30 G50 |
W-SW |
|
|
Friday 10/25/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
|
5-15 G25
25 G50 Sawtelle |
W-SW |
|
|
Thursday 10/24/24 |
|
0.2/1" Alpine
0.2/2" Shower
0.1/1" Lobo |
0.3/3" Carrot
0.2/2" Madison
0.3/4" Sawtelle
0.2/2" Fisher
|
10-25 G55 |
SW-NW |
|
|
Wednesday 10/23/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-20 G40 |
W-SW |
|
|
Tuesday 10/22/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
10-30 G50 |
W-SW |
|
|
Monday 10/21/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-15 G35 |
NW-SW |
|
|
Sunday 10/20/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-15 G35 |
W-SW |
|
|
Saturday 10/19/24 |
|
0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone |
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
|
5-20 G35 |
NW-SW |
|
|
Friday 10/18/24 |
|
0.3/3" Brackett
1.2/10" Shower
0.5/5" Bavaria |
0.9/8" Carrot
0.6/6" Madison
0.2/2" Wt Elephant
0.6/5" Fisher
|
5-20 G20-40 |
NW-N-NE |
|
Started as rain at lower elevations. SWE Totals @0600 since storm/precip began late 10/16- early 10/17. |