Weather and Avalanche Log

Date Map Thumb Northern Areas Southern Areas Wind Speed Wind Direction Avalanche Activity Notes
Wednesday 2/8/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.0/0" Fisher
20-30 G50 W-SW
Tuesday 2/7/23 0.0/0" Bridger
0.0/0" Shower
0.0/0" Lobo
0.1/1" Carrot
0.0/0" Madison
0.1/1" Wt Elephant
0.2/3" Fisher
10-30 G50 W-SW Remotely triggered an avalanche, Mt. Jefferson;
Avalanches on Bridger Canyon drive;
Sledder triggered slide, Two Top
Monday 2/6/23 0.2/4" Bridger
0.3/6" Shower
0.3/7" Great Bear
0.3/5" Carrot
0.3/5" Madison
0.3/5" Sawtelle
0.3/6" Fisher
10-20 G25-40 NW-W Small rider triggered slide, Cooke;
Natural Avalanche on Sage Peak

SNOTEL not reporting: values are best guess for Shower, Carrot, Madison, Sawtelle and Fisher

Sunday 2/5/23 0.0/0" Alpine
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 G20-50 SW

SNOTEL server down, not reporting

Saturday 2/4/23 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
20-35 G45-60 SW-W Small whumphs and triggered wind slab;
Avalanche on Hyalite Peak
Friday 2/3/23 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
15-25 G30-40
10 G20 in Cooke
S-W Small snowbike triggered slide near Abundance;
Skier triggered slide in Lone Mountain backcountry;
Skier triggered slide on Fisher Mountain
Thursday 2/2/23 0.0/0" Bridger
0.1/1" Shower
0.1/1" Timber
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.2/2" Fisher
15 G20-35 NW-W-SW Whumpfs in Specimen Creek;
Skier triggered slide in Lone Peak backcountry;
Snowmobiler triggered on Buck Ridge
Wednesday 2/1/23 0.3/7" Bridger
0.1/2" Shower
0.1/2" Lobo
0.2/3" Carrot
0.2/3" Madison
0.1/2" Wt Elephant
0.1/2" Fisher
15-25 G50
10 G25 Cooke
NW-SW
Tuesday 1/31/23 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
15-25 G45 SW-NW Avalanches and remote trigger, Lionhead;
Sympathetic Release of the Football Field;
Natural Avalanches, Main Fork and Divide Peak Cirque;
Collapsing NW of Cooke City
Monday 1/30/23 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
10-25
G20-35
NW Natural Avalanche near Jack Creek;
Cornice Collapse, Beehive
Sunday 1/29/23 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 G15
25G40 Bridger
E-NE Large Cracks near Ice climb in Hyalite;
Small skier triggered storm slab;
Avalanches in Flanders Area;
Avalanche along Buck Ridge
Saturday 1/28/23 2.2/19" Bridger
1.2/12" Shower
1.0/13" Lookout
0.5/7" Carrot
0.6/6" Black Bear
0.5/5" Sawtelle
0.4/5" Fisher
10-20 G35 (Bridger 33-47) W-N (E Bridger) Many natural slides in Taylor Fork;
Avalanches on Woody Ridge;
Recent natural avalanche activity in Cooke City;
Natural avalanche up Little Bear;
Multiple Naturals South of Cooke City;
Remote triggered large slide, Buck Creek;
Natural avalanches and whumphing, YNP;
Many large natural new snow avalanches, Bridger Ridge;
Cooke City, recent avalanche photos;
Several avalanches in the Goose Lake area;
Many Natural Avalanches North of Cooke City

AVALANCHE WARNING continues for N. Gallatin, N. Madison, and Bridger Ranges

Friday 1/27/23 1.3/10" Bridger
0.6/6" Shower
0.8/12" Timber
0.5/6" Carrot
0.5/5" Madison
0.4/2" Sawtelle
0.4/6" Fisher
15 G30
5 G15 Cooke
W-SW natural in 2nd Yellow Mule;
Skier Triggered avalanche in Lick Ck;
Low density new snow, new snow avalanches Round Lake ;
Natural avalanche, Silver Falls, Cooke;
Many naturals, Cooke City;
Remotely triggered avalanche in Fairy Lake;
Rider triggered slide on Buck road cut;
Avalanche debris and crowns On blackmore;
Possible natural avalanche in bridger range ;
Large natural on Cedar Mtn.;
Natural slide along Jack Creek Road

AVALANCHE WARNING issued for N. Gallatin, N. Madison, and Bridger Ranges

2-3' of new snow reported above 9,400' in Cooke City

Thursday 1/26/23 0.1/3" Bridger
0.2/4" Shower
0.1/5" Timber
0.1/2" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.2/3" Fisher
15-20 G25-35 W-N
Wednesday 1/25/23 0.2/5" Bridger
0.3/6" Shower
0.3/8" Timber
0.2/2" Carrot
0.1/1" Madison
0.1/2" Sawtelle
0.3/6" Fisher
10-15 G20-30 W-NW

Cooke snow depth is estimated.

Tuesday 1/24/23 0.0/1" Bridger
0.1/2" Shower
0.1/3" Timber
0.1/2" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-25 G55 W-N Cracking and collapsing of wind drifts in Wolverine;
Natural avalanche on Silken Falls, Hyalite
Monday 1/23/23 0.2/4" Bridger
0.0/0" Shower
0.1/2" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G35 NW-NE Loose Snow Avalanches, Alex Lowe basin
Sunday 1/22/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.0/0" Fisher
10-15 G25
20 G35 Bridger
NW-SW Loose Snow Avalanches near Blackmore ;
Natural avalanches in Lionhead
Saturday 1/21/23 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 G20
25 G35 Bridger/Big Sky
NW-N Skier triggered wind slab, Wyoming Bowl near Big Sky;
Skier triggered and natural wind slabs in Cooke
Friday 1/20/23 0.1/1" Alpine
0.1/1" Shower
0.1/1" Timber
0.1/2" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.0/0" Fisher
5-10 G15-25 W-NW near Bozeman
N-E elsewhere
Natural avalanche in Flanders cirque
Thursday 1/19/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.0/0" Fisher
10-15 G25 W-SW
Wednesday 1/18/23 0.0/0" Brackett
0.1/1" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-10 G 20 W-NW Snowboarder triggered slide, Saddle Peak;
Small avalanche off Two Top;
Small, thin wind slabs triggered, Storm Castle Ridge;
Whumpf near Sawtelle Peak;
Natural avalanche Muddy Creek headwaters;
Cornice fall triggered slide to ground
Tuesday 1/17/23 0.2/2" Bridger
0.1/1" Shower
0.1/1" Lobo
0.1/1" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.1/1" Fisher
5-10 G20 SW-NW Dry loose and small slab avalanches in Cooke;
Natural slab avalanche in Cooke;
Woody Ridge Natural;
Natural and sledder triggered slides, Lionhead
Monday 1/16/23 0.2/2" Brackett
0.2/2" Shower
0.2/2" Lone
0.2/3" Carrot
0.5/5" Madison
0.5/5" Wt Elephant
0.1/1" Fisher
5-10 G25 W-N Natural Avalanche on Miller Ridge;
Loose snow avalanches in Alex Lowe Basin
Sunday 1/15/23 0.2/2" Alpine
0.0/0" Shower
0.1/2" Timber
0.3/3" Carrot
0.1/1" Madison
0.3/3" Wt Elephant
0.4/4" Fisher
5-15 G15-30
25G35 Hyalite
S-SW Surface hoar slide;
Snowmachine triggered avalanche on Henderson
Saturday 1/14/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.1/1" Carrot
0.2/2" Madison
0.3/3" Sawtelle
0.0/0" Fisher
15-30 G30-55
S-W Natural Avlanche N Face of Sunset/Wolverine;
Cornice triggered slide to ground
Friday 1/13/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-20 G20-40 SW-W
Thursday 1/12/23 0.0/0" Brackett
0.0/0" Shower
0.2/2" Timber
0.1/1" Carrot
0.2/2" Madison
0.2/2" Sawtelle
0.2/2" Fisher
10-20 G35 W-SW Small skier triggered windslab in Hyalite;
Small wind slab on Elephant Mtn.
Wednesday 1/11/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.2/2" Carrot
0.3/3" Madison
0.4/4" Sawtelle
0.0/0" Fisher
5-15 (G25 in Bridgers) E-NE Whumpf on Surface hoar at Hebgen;
Small avalanches in Beaver Creek
Tuesday 1/10/23 0.2/2" Brackett
0.1/1" Shower
0.3/3" Lone
0.3/3" Carrot
0.3/3" Madison
0.3/3" Sawtelle
0.4/4" Fisher
10-25 G50 W-SW New snow avalanches in Cooke;
Natural avalanche S. of Cooke;
Snowmobiler Triggered slide Island Park
Monday 1/9/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.4/4" Carrot
0.4/4" Madison
0.5/4" Wt Elephant
0.4/5" Fisher
15-25
G35-45
51 Cooke
SW-W Snowmobile Triggered Avalanche near Lulu Pass;
Snowboarder triggered avalanche, E Republic
Sunday 1/8/23 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 G55
BS/Hyalite)
S-SW Skier Caught in Wind Slab in Sheep Creek, Cooke;
Snowmobile-triggered Avalanche near Chimney Rock;
Remotely Triggered avalanche, Lone Mountain Backcountry;
Snowmobile Triggered Avalanche, First Yellowmule
Saturday 1/7/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
5-15 G15-30 SW-W Natural Avalanche near Fairy Lake;
Snowboarder triggered/caught small slide on Buck Ridge
Friday 1/6/23 0.6/6" Bridger
0.2/3" Shower
0.2/4" Great Bear
0.2/2" Carrot
0.3/3" Madison
0.3/2" Sawtelle
0.2/2" Fisher
10-15 G15-30 SW-W Large natural avalanche on Saddle Peak;
Very small skier triggered avalanche in N. Bridgers
Thursday 1/5/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10 G20 SW-W
Wednesday 1/4/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.1/1" Carrot
0.0/1" Madison
0.1/1" Sawtelle
0.2/2" Fisher
10-20 G45 W-SW Skier triggered wind slab near Cooke
Tuesday 1/3/23 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 G40 W-SW whumpf under high load on south side of Taylor mountain.

Light E-SE wind yesterday

Monday 1/2/23 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
0-10 G20
20 G35 Bridgers
E-NE Snowmobile Triggered Avalanche Near Sage Mountain ;
Loose snow avalanche Hyalite Canyon, Bobo Like
Sunday 1/1/23 0.2/3" Brackett
0.3/3" Shower
0.2/3" Timber
0.2/3" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.1/2" Fisher
5-15 G15-30 W-NW Natural new snow avalanche on Saddle;
Small snowmobile triggered slide on Buck Ridge;
Natural slides near Cabin Creek
Saturday 12/31/22 0.1/2" Bridger
0.0/0" Shower
0.2/5" Timber
0.4/5" Carrot
0.4/5" Madison
0.8/3" Sawtelle
0.3/6" Fisher
10-15 G30-40 SW-W Dry Loose Avalanches Mt. Blackmore;
Cracking and Collapsing - Cabing Creek Divide;
Snowmobiler avalanche fatality on Crown Butte;
Snowmobiler triggered hard slab avalanche Sheep Mtn.;
Snowmobile triggered slab in Lionhead;
Whumpf, propagating test result;
Storm Slab near Mt. Zimmer Yurt;
Multiple Loose Snow and Storm Slab Avalanches at Lionhead

AVALANCHE FATALITY in Cooke City

Friday 12/30/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.1/2" Carrot
0.4/8" Black Bear
0.3/5" Wt Elephant
0.0/0" Fisher
15-20
G30-40
10 G20 in Cooke
SW-W
Thursday 12/29/22 0.1/1" Brackett
0.2/2" Shower
0.3/3" Timber
0.2/2" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.2/2" Fisher
10-20 G35 W-SW Natural avalanche near Moose Jaw creek
Wednesday 12/28/22 0.6/3" Alpine
0.4/2" Shower
1.1/3" Lone
1.1/4" Carrot
1.6/6" Black Bear
1.2/9" Wt Elephant
1.1/6" Fisher
20 G30-55 SW-W Natural Avalanche in Sage Basin;
Explosive triggered deep slab at Big Sky

AVALANCHE WARNING West Yellowstone and Island Park

Tuesday 12/27/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.4/4" Fisher
20-35 G65 S-SW Natural avalanche below Saddle Peak

Rain and snow in the north; snow in the south and wind everywhere. Lone Peak measured 105 mph.

Monday 12/26/22 0.3/3" Brackett
0.2/2" Shower
0.2/2" Lobo
0.2/2" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.4/4" Fisher
10-25 G55 W-SW Collapsing and keeping terrain simple;
Intentionally Triggered Avalanche NW of Cooke City;
Shooting Cracks NW of Cooke City;
Natural large point release north of Bridger
Sunday 12/25/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.3/3" Fisher
15-30
G30-55
W-SW
Saturday 12/24/22 0.5/5" Brackett
0.4/4" Shower
0.4/4" Lone
0.6/6" Carrot
0.5/5" Madison
0.3/4" Wt Elephant
0.3/3" Fisher
15-25
G25-45
W-SW Two avalanches on Buck Ridge
Friday 12/23/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-15 G25-30 SW-NW

Temps climbed overnight to single digits F

Thursday 12/22/22 0.1/1" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.2/2" Sawtelle
0.0/0" Fisher
10-20 G30 W-NW

Overnight lows reached -39F at Bridger Ridge

Wednesday 12/21/22 0.2/5" Bridger
0.1/2" Shower
0.1/3" Lookout
0.4/10" Carrot
0.5/10" Madison
0.1/4" Sawtelle
1.0/14" Fisher
20-40 G63 SW-W Natural avalanches on Republic Mtn;
Natural avalanches near Cooke and YNP;
Natural avalanches in new snow near Cooke

Temps dropped to -10F to -20F in the afternoon.

Tuesday 12/20/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.2/3" Carrot
0.2/4" Madison
0.1/2" Wt Elephant
0.5/6" Fisher
15-25 G50 W-SW Small, cornice triggered avalanche, Beehive;
Natural avalanche on Scotch Bonnet
Monday 12/19/22 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/1" Fisher
10-25 G50 W-SW Southern Bridger Collapsing
Sunday 12/18/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.0/0" Fisher
15-30 G45 W-S
Saturday 12/17/22 0.0/0" Brackett
0.0/0" Shower
0.1/2" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-20 G25-30
25 G45 in Bridgers
SW-NW Natural Wind slabs in Hyalite;
Natural wind slab avalanche in northern bridger Range;
Small wind slab avalanche, Cooke
Friday 12/16/22 0.2/10" Bridger
0.2/6" Lick Creek
0.2/8" Bavaria
0.2/3" Carrot
0.0/0" Madison
0.1/1" Sawtelle
0.2/3" Fisher
10-20 G25-40 W-N Skier caught and carried on Saddle Peak;
Collapsing at Specimen Creek
Thursday 12/15/22 0.3/9" Bridger
0.3/8" Lick Creek
0.3/6" Bavaria
0.2/6" Carrot
0.1/2" Madison
0.1/4" Sawtelle
0.1/1" Fisher
5-15 G25, G40 Cooke W-N
Wednesday 12/14/22 0.0/0" Brackett
0.1/1" Shower
0.1/1" Timber
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/1" Fisher
5-10 G15, G39 in Bridgers W-N Small wind slab in 2nd Yellowmule
Tuesday 12/13/22 0.1/1" Bridger
0.2/3" Shower
0.1/1" Lobo
0.2/3" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.1/1" Fisher
5-10 G20 N-E Natural avalanches near Cooke
Monday 12/12/22 0.0/0" Brackett
0.0/0" Shower
0.1/2" Great Bear
0.3/3" Carrot
0.3/3" Madison
0.6/6" Wt Elephant
0.1/1" Fisher
5 G15
20G35 Bridger
SE-E-NE
Sunday 12/11/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.2/2" Carrot
0.0/0" Madison
0.1/1" Wt Elephant
0.2/2" Fisher
10-35
G35-65
S-SW
Saturday 12/10/22 0.4/4" Bridger
0.2/2" Shower
0.2/5" Timber
0.5/7" Carrot
0.6/10" Madison
0.5/11" Sawtelle
0.4/6" Fisher
15-30 G35-50
S-W Cornice Triggered Avalanche Buck Ridge;
Wind Slabs in Bridgers
Friday 12/9/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Lionhead
0.1/2" Sawtelle
0.0/0" Fisher
10-25 G35-45 S-W Remote triggered deep slab, Fisher;
Small Avalanche Mt. Blackmore
Thursday 12/8/22 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 G25 W-SW
Wednesday 12/7/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
0.0/0" Wt Elephant
0.2/3" Fisher
20-30 G55 SW-W Natural Avalanche, Sunlight Basin
Tuesday 12/6/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.3/3" Fisher
15-25 G55 W-SW Natural Avalanche, Henderson Bench;
Rider Triggered Avalanche, Chimney Rock;
Small natural avalanches on Cedar
Monday 12/5/22 0.8/8" Brackett
0.4/5" Shower
0.6/8" Lookout
0.8/8" Carrot
0.9/6" Madison
0.9/6" Wt Elephant
1.1/10" Fisher
10-20
G15-35
SW-W Two skiers caught in avalanche on Ross Peak;
Skier triggered wind-load;
Intentional Trigger in the John
Sunday 12/4/22 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
G25-35
W-SW Avalanche Henderson Bench (likely snowmobile triggered)
Saturday 12/3/22 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
15-25 G40-50 SW-W Large Natural on Lionhead, Airplane Bowl;
Collapsing on Ernie Miller Ridge;
Collapses North of Cooke City;
Collapsing in Republic Creek
Friday 12/2/22 0.4/8" Bridger
0.4/5" Shower
0.2/5" Timber
0.7/8" Carrot
1.9/18" Madison
1.6/16" Wt Elephant
1.2/10" Fisher
20-40 G40-75 S-W-NW Large natural avalanches near Cooke City;
Numerous large avalanches along Lionhead Ridge;
Small windslabs on Mt. Blackmore;
Two Natural Avalanches Ernie Miller;
Natural on Sheep Mtn, Cooke;
Large Natural on Fox, Cooke;
Large Natural on Republic Mtn.;
Many naturals on Republic Mtn and YNP

AVALANCHE WARNING for Lionhead and Island Park

Winds shifted to N-W and decreased dramatically overnight

Thursday 12/1/22 0.1/1" Brackett
0.1/1" Shower
0.4/8" Lobo
0.5/6" Carrot
0.4/4" Madison
0.3/3" Sawtelle
1.0/17" Fisher
15-25 G50 S-W

@0600

Wednesday 11/30/22 0.1/1" Brackett
0.1/1" Shower
0.0/0" Timber
0.2/2" Carrot
0.2/2" Madison
0.1/1" Sawtelle
0.2/2" Fisher
15-30 G50 SW-NW
Tuesday 11/29/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
0-10 G20 W-NW
Monday 11/28/22 0.2/2" Alpine
0.4/7" Shower
0.3/6" Timber
0.4/7" Carrot
0.8/10" Madison
0.6/6" Wt Elephant
0.8/12" Fisher
15-35 G70 NW-SW

Sustained winds averaging 30 mph on Sunday

Sunday 11/27/22 0.6/4" Alpine
0.4/4" Shower
0.2/3" Lobo
0.0/0" Carrot
0.2/2" Black Bear
0.1/2" Sawtelle
0.1/1" Fisher
15-25
G30-40
W-SW Skier triggered avalanche NE aspect Bridger. ;
Skier triggered hard wind slab at Bridger;
BSSP Trigger Avalanche - Cold Springs;
Kicking wind slabs on Blackmore Trail
Saturday 11/26/22 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
15-25
G30-40
SW-W-NW Skier triggered wind slab east aspect Hyalite
Friday 11/25/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.2/2" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/1" Fisher
10-15 G30 W-NW Natural loose snow and rollerballs, Beehive and Bridger

Observers reported strong mid-level winds in the Bridger Range yesterday (11/24)

Thursday 11/24/22 0.6/7" Alpine
0.6/7" Lick Creek
0.5/7" Timber
0.3/5" Carrot
0.2/3" Madison
0.2/2" Sawtelle
0.1/2" Fisher
10 G20 SW-NW Small avalanche Lower Nose;
Skier triggered avalanche in Beehive;
Human-Triggered Avalanche In Bridger Gully;
Large natural avalanche on deeper weak layer at Big Sky
Wednesday 11/23/22 0.1/1" Brackett
0.1/1" Shower
0.2/4" Timber
0.3/4" Carrot
0.2/2" Black Bear
0.1/2" Sawtelle
0.2/2" Fisher
10-20
G30-40
SW-W
NW-Sawtelle
Skier triggered wind slab at Bridger
Tuesday 11/22/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-15 G25 SW-NW Explosive triggered hard slabs at Big Sky;
Loose snow slides in Beehive
Monday 11/21/22 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 G25 SW-NW
Sunday 11/20/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
15-25 SW-NW
Saturday 11/19/22 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
15-25 G25-40 NW-W Natural Avalanche in Beehive Basin
Friday 11/18/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-20 G28 W-NW Wind slabs mid-slope at Bridger Bowl;
Large Natural Avalanche on Hyalite Peak

@5am ridgetop temps -5F to -10F

Thursday 11/17/22 0.1/2" Alpine
0.4/13" Lick Creek
0.1/2" Lone
0.1/3" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.1/2" Fisher
5-15
G15-30
NW Small wind slabs at Bridger and Beehive
Wednesday 11/16/22 0.0/0" Brackett
0.1/2" Shower
0.1/2" Lone
0.1/1" Carrot
0.0/0" Madison
0.0/0"
0.2/3" Fisher
5-20 G40 W-N
Tuesday 11/15/22 0.1/2" Brackett
0.3/6" Shower
0.2/6" Timber
0.2/5" Carrot
0.1/2" Madison
0.1/2" Wt Elephant
0.2/3" Fisher
10-20 G40
Cooke 15-30 G50
W-NW
Monday 11/14/22 0.0/1" Bridger
0.1/1" Shower
0.0/1" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/1" Fisher
10-20
G20-30
NW-N
Sunday 11/13/22 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
10-20 G20-30 W-NW Natural Avalanche Henderson Mountain
Saturday 11/12/22 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
5-25 G35 W-SW
NW Cooke
Wind slabs on Hyalite Peak;
Large collapses near Cooke City;
Avalanche Crowns in Tepee Basin
Friday 11/11/22 0.1/4" Bridger
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
15 G25-35
30 G35 Bridgers
NW-W Wind Slab triggered on Bradley’s Meadow
Thursday 11/10/22 0.2/2" Brackett
0.0/0" Shower
0.3/3" Lone
0.7/7" Carrot
0.7/7" Madison
1.1/10" Wt Elephant
0.4/4" Fisher
10-15 G 25-35
(50 in Hyalite)
SW-W Remote triggered wind slab N. Bridgers
Wednesday 11/9/22 0.1/1" Brackett
0.1/1" Shower
0.1/1" Lone
0.5/5" Carrot
0.6/5" Madison
1.0/8" Sawtelle
0.8/6" Fisher
10-15 G25-35 S-SE-E
N-Cooke
Remote trigger on Blackmore
Tuesday 11/8/22 0.8/8" Brackett
0.6/6" Shower
0.8/10" Lone
1.2/10" Carrot
1.5/11" Madison
1.1/10" Sawtelle
1.0/12" Fisher
10-30 G50-60 SE-SW-W Small Avalanche in Bridger Bowl;
Storm slabs at Bridger Bowl
Monday 11/7/22 0.0/0" Brackett
0.2/2" Shower
0.1/1" Timber
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
15-25 G59 SW-SE
Sunday 11/6/22 0.1/1" Brackett
0.1/1" Shower
0.0/0" Timber
0.3/2" Carrot
0.4/3" Madison
0.3/2" Wt Elephant
0.9/5" Fisher
15-20 G55 W-SW
Saturday 11/5/22 0.1/2" Bridger
0.3/3" Shower
0.3/3" Timber
0.8/10" Carrot
1.0/10" Madison
1.0/10" Sawtelle
1.0/10" Fisher
15-30 G50 SE-S-W Avalanche in October Bowl
Friday 11/4/22 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
5-15 G35 W-SW
Thursday 11/3/22 0.5/7" Bridger
0.4/6" Shower
0.4/5" Lone
0.3/4" Carrot
0.2/2" Madison
0.4/5" Sawtelle
0.1/1" Fisher
5-15 G55 W-NW
Wednesday 11/2/22 0.0/0" Brackett
0.0/0" Lick Creek
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
15-30 G58 S-W
Tuesday 11/1/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
10-20 G30-50 S-W
Monday 10/31/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
/
0.0/0" Fisher
10-20 G40 SW-NW
Sunday 10/30/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
/
0.0/0" Fisher
15 G 30 SW-NW
Saturday 10/29/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
/
0.0/0" Fisher
10-15 G25 W
Friday 10/28/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
/
0.0/0" Fisher
10-20 G20-40 SW-W
Thursday 10/27/22 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
/
0.0/0" Fisher
10-20 G20-40 SW-W Micro wind slabs
Wednesday 10/26/22 0.0/0" Bridger
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
/
0.1/1" Fisher
Tuesday 10/25/22 0.1/1" Brackett
0.0/0" Shower
0.2/2" Timber
0.3/3" Carrot
0.4/4" Madison
/
0.2/2" Fisher
15-25 G55 W
Monday 10/24/22 1.5/15" Bridger
0.4/5" Shower
0.5/5" Lone
0.0/0" Carrot
0.0/0" Madison
/
0.2/2" Fisher
5-10 G40 SE-NW Avalanche Out of Hidden Gully;
Point Release on South of Saddle Peak;
Natural Avalanche at Big Sky Resort
Sunday 10/23/22 0.9/13" Bridger
1.3/12" Shower
1.2/16" Lone
2.1/11" Carrot
1.2/10" Madison
/
0.7/5" Fisher
5-15 G15-30 SW-NW Avalanche seen from road near Beehive Basin

@0600 Temps in teens and 20s F

Saturday 10/22/22 0.8/5" Bridger
0.7/4" Shower
1.2/7" Lone
1.3/7" Carrot
1.2/6" Madison
/
1.0/6" Fisher
15-20 G30-40 S-W

@0600 Rain/snow line dropping overnight. Snowfall depths approximate.