Weather and Avalanche Log

Date Map Thumb Northern Areas Southern Areas Wind Speed Wind Direction Avalanche Activity Notes
Thursday 2/22/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G25 SW-NW
Wednesday 2/21/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.1/1" Carrot
0.2/2" Madison
0.3/3" Wt Elephant
0.2/2" Fisher
10-20 G45
G55 Sawtelle
W-SW
Tuesday 2/20/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.1/1" Carrot
0.1/1" Madison
0.1/2" Sawtelle
0.1/1" Fisher
15-20 G35, G60 Sawtelle W-SW Large Collapse Above Wyoming Creek, Cooke City
Monday 2/19/24 0.1/1" Brackett
0.1/1" Shower
0.2/2" Timber
0.2/2" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.2/2" Fisher
10-15 G30 SW-NW Whumpfing Mineral Mountain, Cooke City;
Large Collapses Bacon Rind;
Whumps and collapsing in the flats - Tepee Creek ;
Large Collapse on West Woody Ridge;
Natural Avalanche on Bridger Peak;
Natural Avalanche in Argentina bowl
Sunday 2/18/24 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 G25-38
G49 Big Sky
5 G15 Cooke
SW-S Remote triggered (or natural) south of Cedar;
Whumpfs in Pebble Creek- YNP;
Whumpfing Beehive Basin;
2 Natural Slides at Skyline;
Collapses / shooting cracks in Blackmore area
Saturday 2/17/24 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
5-10 G10-20 NW-NE Large Collapses Sheep Creek, Cooke City;
Rider Triggered Avalanche Near Cedar Mountain;
Rider Triggered Avalanche Bear Creek Boundary;
Rider Triggered Avalanche Wapiti Creek;
Natural near Buck Ridge ;
Natural through thick trees in Tepee;
Rider Partially buried, Sunlight Basin, Taylor Fork;
Skier triggered avalanche in Mullet near Big Sky;
Large Natural Avalanche near Republic Creek;
Avalanche Above Twin Falls ;
Rider Triggered Avalanche, Crown Butte ;
Rider Triggered Avalanche near Lulu wx station;
Natural Avalanches on Mt. Bole, Hyalite
Friday 2/16/24 0.2/2" Alpine
0.3/5" Shower
0.3/6" Timber
0.4/7" Carrot
0.3/3" Lionhead
0.3/3" Wt Elephant
0.4/4" Fisher
10-20 G20-30
G63 Island Park
W-N
E in Bridgers
Whumpfing and Cracking, Bacon Rind;
Collapsing Bracket Creek;
Large Snowmobiler Triggered Avalanche, Cooke City;
Natural Avalanche Chimney Rock, Cooke City;
Rider Triggered Avalanche Henderson Mountain;
Remotely triggered avalanche Lionhead;
Natural avalanche in Bear Basin;
4 remote triggered avalanches in Portal Creek;
Avalanche Sheep Mountain;
Natural Avalanche N. of Cooke City;
Remote triggered slides in Muddy Creek;
Natural avalanches around Buck Ridge;
Small Snowmobiler Triggered Avalanche, Cooke City;
Bacon Rind Skillet Avalanched
Thursday 2/15/24 0.2/4" Brackett
0.1/2" Shower
0.3/5" Lobo
0.4/8" Carrot
0.5/5" Madison
0.8/8" Sawtelle
0.5/5" Fisher
15-20 G30, G57 Sawtelle SW, E in Bridgers Small, Natural Avalanche Bear Basin;
Remotely triggered avalanche on Buck Ridge;
Natural Avalanches in Cooke City;
Natural Avalanches at Lionhead;
Natural Avalanches in Taylor Fork;
Natural Avalanche near Cooke City ;
Natural avalanche south of Flanders;
Natural Avalanches S. of Cooke City

@0600

AVALANCHE WARNING: Entire Area

Wednesday 2/14/24 0.1/1" Brackett
0.1/1" Shower
0.0/0" Lone
0.1/1" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.1/1" Fisher
5-15 G35 SW-NW
Tuesday 2/13/24 1.0/9" Brackett
0.5/7" Shower
0.6/10" Timber
0.2/3" Carrot
0.2/3" Madison
0.2/3" Wt Elephant
0.2/4" Fisher
5-15 G30
G65 Sawtelle
W-NW Skier Triggered Avalanche, N. Madison;
Natural Avalanches on Beehive Peak;
Remote Triggered Avalanche at Buck Ridge;
Natural Avalanches McAtee Basin;
Small Rider Triggered Avalanche Buck Ridge;
Remotely triggered slide in Sage Basin

AVALANCHE WARNING Bridger Range

Monday 2/12/24 0.1/1" Brackett
0.0/0" Shower
0.2/2" Lone
0.1/1" Carrot
0.1/1" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-20
G25-35
W-NW Collapsing, Cracking and Very Small Sloughs, Bridger;
Whumpfing on Little Ellis
Sunday 2/11/24 0.1/4" Alpine
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.1/1" Wt Elephant
0.0/0" Fisher
10-30
G25-45
SW-NW Multiple slides overnight on Baldy and Saddle;
Large whumps, Hebgen Lake;
Remotely Triggered Avalanche, Middle Basin;
Multiple avalanches on Mt. Abundance;
Continuous Collapsing at Bacon Rind;
Whumpfs and a Natural Avalanche in Flanders;
Henderson Mountain Avalanche
Saturday 2/10/24 0.1/4" Alpine
0.4/5" Shower
0.1/2" Timber
0.1/1" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.1/1" Fisher
5-10 G10-20 W-N-NE Collapsing and a Very Small Avalanche, Beehive Basin ;
Whumpfing and Cracking, Specimen Creek;
Avalanche on Saddle Peak;
Remote Trigger in Mill Creek, Absaroka Range;
Natural Avalanche Near Hebgen Lake ;
Remotely Triggered Slide Near First Yellow Mule, Buck Ridge;
Natural Avalanche on Woody Ridge, Cooke City ;
Remote Triggered Avalanche Lionhead;
Snowmobiler Triggered Avalanche Centennial Mountains;
Shooting Cracks Cabin Creek;
Recent Naturals in Island Park;
Rider triggered Avalanche Crown Butte;
Natural avalanche on the lawnmower;
Natural avalanche on Mt. Republic, Cooke City;
Multiple recent avalanche Centennials;
Shooting Cracks and Instability, Buck Ridge;
Natural avalanches in Sage and Sunlight Basins;
Many natural avalanches at Lionhead

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Friday 2/9/24 0.1/1" Alpine
0.2/2" Shower
0.2/6" Great Bear
0.1/2" Carrot
0.3/6" Lionhead
0.3/5" Wt Elephant
0.2/4" Fisher
10-15 G15-25 SW-NW Remote Trigger South of Cooke City;
Collapsing at Bacon Rind;
Natural Avalanche on Ernest Miller;
Remotely Triggered Avalanche, Tepee Basin ;
Natural and remotely triggered avalanches at Lionhead;
Collapsing at Buck Ridge;
Collapsing in Island Park;
Two Natural Avalanches near Hebgen Lake ;
Natural Avalanche Sheep Mtn., Cooke City;
Thunderous Collapses, Cooke City;
Natural Avalanche on Miller Ridge, Cooke City;
Avalanche of Buck Ridge

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Thursday 2/8/24 0.1/1" Brackett
0.2/2" Shower
0.2/2" Lone
0.1/1" Carrot
0.1/1" Madison
0.4/4" Wt Elephant
0.1/1" Fisher
5-15 G25
G45 Sawtelle
NW-SW Small Snowmobiler Avalanche, Island Park

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Wx @ 0600

Wednesday 2/7/24 0.4/4" Brackett
0.2/2" Shower
0.3/6" Lobo
0.5/6" Carrot
0.6/6" Madison
1.2/12" Wt Elephant
0.3/2" Fisher
10-15 G30, G54 Sawtelle E-SE Shooting Cracks, Hyalite ;
Collapsing Henderson Mt., Cooke City;
Large Avalanche Tepee Basin;
Natural avalanche on East Henderson;
Shooting Cracks Beehive Basin

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Tuesday 2/6/24 0.0/0" Brackett
0.0/0" Shower
0.1/1" Timber
0.3/3" Carrot
0.5/5" Madison
0.7/7" Wt Elephant
0.2/2" Fisher
5-15 G30 SE-SW Loose Snow Avalanches Henderson Mt. Cooke City;
Snowmobile triggered avalanche above Highway 212, Cooke City;
Rider Triggered Avalanche in Island Park

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Monday 2/5/24 0.0/1" Brackett
0.1/1" Shower
0.1/1" Timber
0.2/2" Carrot
0.2/2" Madison
0.5/3" Wt Elephant
0.1/2" Fisher
15-35
G35-68
SW-S Widespread Collapsing and Shooting Cracks at Bacon Rind;
Natural Avalanches and Collapsing, Bridgers;
Skier Triggered Loose Snow, Bridger Range;
Collapse in Cooke

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Sunday 2/4/24 0.5/5" Brackett
0.6/5" Shower
0.5/4" Lone
0.5/5" Carrot
0.6/6" Madison
0.5/6" Wt Elephant
0.2/3" Fisher
5-10
G10-15
G40 Bridgers
NW-W-SE Cracking and Collapsing at Bacon Rind;
Avalanche on Woody Ridge, Cooke City;
Collapsing, Island Park;
Skier triggered loose snow in Beehive Basin;
Natural Avalanches in Beehive Basin;
Many collapses in IP

AVALANCHE WARNING for Island Park, Lionhead, S. Madison, S. Gallatin

Saturday 2/3/24 0.0/0" Bridger
0.1/1" Shower
0.1/2" Timber
0.2/2" Carrot
0.1/2" Madison
0.1/1" Sawtelle
0.1/1" Fisher
5-10 G5-20 SW-W Collapses up Cabin Creek
Friday 2/2/24 0.0/0" Bridger
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 G30-50 SW-SE Partial burial in Island Park

No overnight freeze in Bridgers.

Thursday 2/1/24 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
15-25 G48 W-SW Whumpfing and Recent Avalanches in Island Park

No overnight freeze in Bridgers.

Wednesday 1/31/24 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0"
0.0/0" Fisher
10-20 G30, G43 IP SW-W Wet Loose/Slabs in Beaver Creek, Taylor Fork

No overnight freeze in Bridgers, Hyalite and Big Sky.

Tuesday 1/30/24 0.0/0" Bridger
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G30 SW-NW Loose Wet Avalanches on Scotch Bonnet, Cooke City;
Daisy Pass avalanche, Cooke City;
Wet Slab Avalanches on Cedar Mtn and 3rd Yellowmule;
Wet Snow Avalanches in Sheep Creek, Cooke City;
Recent Natural Wet slides in Bridgers

No Overnight Freeze - First across advisory area, second night in the Bridgers

Monday 1/29/24 0.0/0" Bridger
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.1/1" Sawtelle
0.0/0" Fisher
5-15 G35 W-NW collapses in Cooke;
Loose Wet Avalanches in Hyalite;
Partially buried, uninjured snowmobiler in Cooke;
Naturals on Cedar Mountain SE bowl. ;
Avalanches in Island Park;
Remote Triggered Avalanche below Pilot Peak;
Wet avalanches across Bridger Range;
Natural Avalanche on Miller Ridge;
Recent Naturals in N. Bridgers

No overnight freeze in the Bridger Range - first of the season

Sunday 1/28/24 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
5-20
G20-40
W, NW-SW Collapsing around Cooke City;
Collapsing Fawn Pass;
Collapsing and Cracking Telemark Meadows;
Avalanche on Bridger Peak;
Small Avalanche on Test Slope at Lionhead;
Natural avalanches on Henderson Ridge and Sheep Mtn.
Saturday 1/27/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.1/1" Sawtelle
0.0/0" Fisher
10-20
G15-40
SW-W Cracking and Whumpfing in Telemark Meadows ;
Whumpfing in Cooke City;
Explosive triggered slab on facets, BBSP
Friday 1/26/24 0.0/0" Brackett
0.1/1" Shower
0.1/1" Bavaria
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-10 G10-20
20 G35 Bridgers
W-N BSSP explosive triggered very large slide on NSS;
BBSP explosive triggered slides;
Natural Avalanches in Republic Creek
Thursday 1/25/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.2/2" Black Bear
0.1/1" Wt Elephant
0.1/1" Fisher
10 G30 SW Slide Under Saddle Peak Cliff;
Cracks and Collapses in Cabin Creek, Tepee Basin, Bridgers, Beehive, Cooke City;
More Avalanche Activity in Cooke City;
Natural and rider triggered slides at Lionhead;
Big avalanche in 2nd YellowMule;
all of Muddy Ridge slid, natural and rider tirggered;
Natural slide on North Aspect, Buck

AVALANCHE WARNING: Island Park

Wednesday 1/24/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.1/1" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.1/1" Fisher
5-15 G25 W Avalanche on Henderson Mountain;
Natural Avalanches in Cooke City;
Remotely triggered small avalanches in Cooke;
Large natural on Sheep Mtn;
Mt. Fox Avalanches

AVALANCHE WARNING: Island Park

Tuesday 1/23/24 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.1/1" Carrot
0.1/1" Madison
0.5/4" Wt Elephant
0.0/0" Fisher
10-20 G40 W-SW Collapsing and Shooting Cracks in Bridgers;
Collapsing, natural avalanche at the Throne;
Cracking and Collapsing in Black Canyon, Island Park;
Test Slope Avalanche, Beehive Basin;
Collapsing and Avalanches on Test Slopes, Cooke City;
Remote Triggered Avalanche Near Woody Creek, Cooke City;
Many natural avalanches along Lionhead Ridge

AVALANCHE WARNING: Island Park

Monday 1/22/24 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.1/1" Carrot
0.2/2" Madison
0.3/3" Wt Elephant
0.2/2" Fisher
10-15 G35
G65 Sawtelle Peak
W-SW Remote Triggered Avalanche at Buck Ridge;
Alp Rock Natural Avalanche;
Natural Avalanches in Cooke City
Sunday 1/21/24 0.5/4" Brackett
0.0/0" Shower
0.3/5" Timber
0.3/4" Carrot
0.2/3" Madison
0.3/3" Wt Elephant
0.3/3" Fisher
15-25
G35-45
G78 Sawtelle
SW-W Remotely Triggered Avalanche Below Hyalite Peak;
Collapses in Telemark Meadows;
Cracking, Collapsing and Zimmer Creek Avalanches ;
Natural Avalanche Ski Hill;
Large collapses in the Bridgers ;
Natural Avalanche Lionhead Ridge;
Avalanche near Solstice, Hyalite;
Cracking in Beehive;
Skier triggered on Saddle Peak;
Natural avalanches in Bostwick and Truman Gulch;
Natural Avalanches at Buck Ridge;
Natural Avalanches in Northern Bridgers
Saturday 1/20/24 0.1/1" Brackett
0.0/0" Shower
0.0/0" Timber
0.1/1" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.0/0" Fisher
5-15 G15-30 SW-NW Unstable hard slab in the Bridgers, and two collapses;
Natural Avalanches on Mt. Blackmore;
Collapsing and Cracking Hyalite Peak;
Cracks and Whumpfs in Tele Meadows;
Avalanches in Beehive and Middle Basin;
Natural and Sled Triggered Slides in Cabin Creek;
Avalanches and Collapsing, Cooke City;
Collapsing and cracking near Fawn Pass;
Natural avalanches on Cedar;
Avalanches, collapsing, cracking in Cooke;
Skier Triggered Avalanche on SE bowl of Flanders ;
Poor Structure and Collapsing, Centennials;
Loose Wet in Beehive Basin;
Instability on Ramshorn Peak;
Natural Avalanche in Tepee Basin
Friday 1/19/24 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 G30-45 SW-NW Cracking and Collapsing in Middle Basin;
Skier triggered slide on Mt. Blackmore;
Snowmobile Triggered Avalanche in Black Canyon;
Natural Avalanche, Ramshorn Peak

AVALANCHE WARNING: Cooke City

Thursday 1/18/24 0.7/5" Brackett
0.3/3" Shower
0.2/3" Timber
0.3/3" Carrot
0.3/3" Madison
0.2/2" Sawtelle
0.7/10" Fisher
20-50 G75 W-NW Natural Avalanches north of Cooke City;
Remotely Triggered Avalanche on Henderson Mountain, Cooke City;
Remotely Triggered Avalanches Near Hyalite Peak;
Skier Triggered Avalanches in the Butte Area;
Multiple Remote Triggered Slides at Lionhead;
Remotely Triggered and Natural Slides in Taylor Fork;
Widely Propagating Remote Trigger at Buck Ridge ;
Snowmobiler triggered slide, Island Park;
Natural Avalanche, Pebble Creek ;
Multiple remote triggers, Lionhead

AVALANCHE WARNING: Cooke City

Wednesday 1/17/24 0.0/0" Bridger
0.0/0" Shower
0.1/1" Lobo
0.2/2" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.1/1" Fisher
15-30 G50 W-S Lots of Cracking, Taylor Fork;
Collapsing and cracking at Bacon Rind;
Remote Trigger, Cooke City;
Small Rider Triggered Avalanche in Cooke City
Tuesday 1/16/24 0.0/0" Bridger
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
10-25 G45 W-NW Collapses and cracking at Lionhead;
Multiple Remotely Triggered Avalanches, N. of Cooke City
Monday 1/15/24 0.1/2" Brackett
0.2/3" Shower
0.1/2" Timber
0.2/2" Carrot
0.2/2" Madison
0.1/2" Wt Elephant
0.2/2" Fisher
10-20
G25-50
W-NW Rider Triggered Avalanche near Lionhead;
Natural Avalanches and Cracking, Lionhead ;
Shooting Cracks at Lionhead;
Small Wind Slab Avalanche, Buck Ridge;
Wolverine Bowl Natural Avalanche, Bridger Range
Sunday 1/14/24 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
5-15
G15-34
SW-NW Black Bear Canyon Avalanche, W Yellowstone;
Remotely Triggered Avalanche, Sheep Mountain
Saturday 1/13/24 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 G40-55 W-NW Widespread cracks and collapse in Lionhead;
Large Whumpf in Beehive
Friday 1/12/24 0.1/1" Bridger
0.1/1" Shower
0.2/4" Bavaria
0.3/4" Carrot
0.4/4" Madison
0.2/2" Sawtelle
0.5/4" Fisher
15-25 G30-45
G75 Island Park
SW-W Remote Triggered Avalanche on Miller Ridge, Cooke City;
Cracking and Collapsing, Cooke City;
Skier triggered wind slab near Big Sky
Thursday 1/11/24 0.3/12" Bridger
0.2/2" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.2/2" Wt Elephant
0.2/2" Fisher
10-15 G25, G44 Sawtelle W-N Remote Triggered Avalanches, Taylor Fork;
Widespread Cracking in Taylor Fork;
Collapsing at Fawn Pass;
Natural Avalanche on the Fin, Cooke City

AVALANCHE WARNING: Bridgers

Wednesday 1/10/24 0.2/2" Brackett
0.1/2" Shower
0.2/4" Timber
0.3/6" Carrot
0.4/6" Madison
0.4/6" Wt Elephant
0.4/6" Fisher
15-30 G50-65 W-NW Natural slides at Beehive/Bear cornices;
Small Skier Triggered Avalanche on Mt. Blackmore ;
Cracking in N facing Gully, Hyalite;
Shooting Cracks Henderson Mountain, Cooke City;
Natural Avalanche at Yellowstone Club;
Snowmo Remote Triggered Avalanche Taylor Fork;
Natural Avalanches on Henderson and Sheep, Cooke City;
Republic Creek Avalanches

AVALANCHE WARNING: Cooke City, Lionhead, Island Park

Tuesday 1/9/24 0.1/1" Brackett
0.1/1" Shower
0.0/0" Timber
0.1/1" Carrot
0.2/2" Madison
0.1/1" Sawtelle
0.1/1" Fisher
15 G55 NW-SW Remotely Triggered Avalanche in Lionhead;
Cracking and Collapsing on Wind Loaded Slope, Cooke City

@0600

Monday 1/8/24 0.2/6" Bridger
0.2/3" Shower
0.1/1" Bavaria
0.2/2" Carrot
0.0/0" Madison
0.0/1" Sawtelle
0.1/1" Fisher
5-10 G15-20
20 G34 Lionhead
NW-N Skier Triggered and Natural Avalanches in Hyalite
Sunday 1/7/24 0.1/1" Bridger
0.1/1" Shower
0.1/1" Timber
0.1/2" Carrot
0.3/6" Madison
0.3/9" Sawtelle
0.1/2" Fisher
5-20
G10-45
SW-W Facet sluffs near Cooke;
Natural Windslab Avalanche on Woody Ridge, Cooke City
Saturday 1/6/24 0.0/0" Bridger
0.0/0" Shower
0.0/0" Timber
0.1/2" Carrot
0.0/1" Madison
0.0/0" Wt Elephant
0.0/2" Fisher
15-25 G30-35 SW-NW Skier Triggered Loose Snow Avalanches In Beehive;
Natural Avalanches in Hyalite;
Natural Avalanche in Second Yellow Mule, Buck Ridge;
Loose Snow Avalanches at Second Yellow Mule, Buck Ridge;
Remotely Triggered Avalanches, Buck Ridge

Low density snow

Friday 1/5/24 0.1/2" Alpine
0.2/2" Shower
0.1/2" Timber
0.1/1" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.1/1" Fisher
10-20 G20-30 NW-W Loose Snow Avalanches on Henderson Mountain
Thursday 1/4/24 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
5-15 G 26 W-NW SKier triggered loose facet sloughs near Cooke
Wednesday 1/3/24 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
15-20 G35 SW
Tuesday 1/2/24 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
5-20 G35 W-SW
Monday 1/1/24 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-SW Small Loose Snow Avalanche, Bear Basin;
Whumpfing and small ava in Cooke City
Sunday 12/31/23 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
5-25
G10-35
SW
Saturday 12/30/23 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
5-15
G10-25
SW-W
NW-Cooke
Cracking and collapsing in Hyalite
Friday 12/29/23 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 G15-25 S-W Collapsing in Hyalite;
Whumpfing In Yellowstone National Park
Thursday 12/28/23 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
10-20 G30 W

4am: 30-34F temperatures at Bridger Ridge, Hyalite, Big Sky and Taylor Fork.

Wednesday 12/27/23 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
10-20 G30 W-N Cracking in IP
Tuesday 12/26/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G30 W-NW Whumfing and cracking at Beehive/Bear;
Recent avalanches, Horse Creek Divide, Jardine
Monday 12/25/23 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 G40
25 G30 Bridgers
W-N Collapsing on Lionhead Ridge;
Thin Wind Slab at the Throne
Sunday 12/24/23 0.7/6" Bridger
0.3/3" Shower
0.2/3" Timber
0.4/5" Carrot
0.4/4" Madison
0.2/3" Wt Elephant
0.2/2" Fisher
5-25
G15-45
G59 I.P.
N-NW Wind Slabs Breaking on Test Slopes;
Cracking and Collapsing in Hyalite
Saturday 12/23/23 0.1/1" Alpine
0.0/0" Shower
0.2/4" Lookout
0.3/3" Carrot
0.2/2" Madison
0.5/5" Sawtelle
0.0/0" Fisher
10-20
G30-50
SW-W Widespread collapsing near Cooke

@0600

Friday 12/22/23 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
15-20
G25-40
G69 Island Park
SW-W Widespread collapsing north of Cooke;
Collapsing on Barronette
Thursday 12/21/23 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
10-15 G29 W-SW
Wednesday 12/20/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.1/1" Sawtelle
0.0/0" Fisher
5-20 G40 W-SW Many whumpfs in Lionhead;
Whumpfing and cracking at Bacon Rind;
Whumpfing on Woody Ridge;
Natural Avalanche North of Cooke City
Tuesday 12/19/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
10-20 G40
20-30 G50 IP
W-SW
Monday 12/18/23 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
10-20
G25-30
W
NW-Cooke
Instabilities and an Old Natural in Lionhead
Sunday 12/17/23 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
10-25
G25-40
SW-NW Cracking, whumphing in Beehive ;
Whumphing in Bridgers;
Whumphing near Cooke ;
Skier triggered at Lionhead;
Snowmobile Triggered Avalanche on Buck Ridge
Saturday 12/16/23 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
15-20
G20-35
W-N Collapsing in Bradley Meadow
Friday 12/15/23 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
G20-30
W-NW Natural/Goat triggered Avalanches Big Sky;
Big Collapse in Sheep Creek;
Whumpfing in the Lionhead Range
Thursday 12/14/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G30 SW-N Whumpfing and Instability In Beehive Basin;
Cracking and Collapsing North of Cooke City
Wednesday 12/13/23 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
10-15 G25 W-S-E
Tuesday 12/12/23 0.2/2" Bridger
0.1/2" Shower
0.0/0" Timber
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
5-10 G20 W-N Whumpfing in Fingers Meadow;
Skier triggered avalanche Mt. Blackmore;
Collapses at Lionhead;
Naturals avalanches in Lionhead
Monday 12/11/23 0.3/3" Brackett
0.1/1" Shower
0.1/1" Lone
0.2/2" Carrot
0.1/1" Madison
0.3/3" Wt Elephant
0.2/2" Fisher
5-15
G15-40
W-NW Large Collapses North of Cooke City;
Natural avalanche on Miller Ridge
Sunday 12/10/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.1/1" Carrot
0.1/1" Madison
0.1/1" Wt Elephant
0.1/1" Fisher
15-30
G30-55
W-SW Whumphing in Beehive Basin;
Whumpfing and avalanches on Mt. Blackmore;
Upper Elevation Hyalite Naturals
Saturday 12/9/23 0.2/7" Bridger
0.3/4" Shower
0.3/6" Bavaria
0.1/1" Carrot
0.1/2" Madison
0.2/2" Wt Elephant
0.1/1" Fisher
5-15
G15-30
W-NW collapsing in Cooke;
Widespread Cracking and Collapsing;
Natural Avalanches in Taylor Fork;
Skier Triggered Avalanche at Bridger Bowl;
Natural activity in Beehive Basin;
2 Remotely Triggered Avalanches in Tepee Basin;
Collapsing on ice climbs in Hyalite;
Natural Avalanche on Mount Bole;
Naturals in Divide Basin
Friday 12/8/23 1.3/11" Bridger
0.5/8" Shower
0.6/7" Lobo
0.5/5" Carrot
0.5/5" Madison
0.6/6" Wt Elephant
0.6/5" Fisher
10-20
G40-55
G87 Bridger
SW-NW Natural Avalanches in Hyalite;
Widespread cracking and collapsing;
Ski cut triggered avalanche at Big Sky Resort;
avalanche on Henderson Mtn.;
Large Natural Avalanche- Elephant Mountain
Thursday 12/7/23 0.0/0" Bridger
0.0/0" Shower
0.2/2" Lobo
0.2/2" Carrot
0.3/3" Madison
0.3/3" Wt Elephant
0.1/1" Fisher
15-25 G35-65 W-SW Skier triggered pocket at Bridger Bowl;
Avalanche Debris on Bald Peak
Wednesday 12/6/23 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
0.1/1" Fisher
10-30
G35-45
SW-W
Tuesday 12/5/23 0.0/0" Brackett
0.2/2" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.2/2" Fisher
15-25
G30-48
W-NW
Monday 12/4/23 0.1/1" Brackett
0.2/2" Shower
0.1/1" Lone
0.2/2" Carrot
0.3/3" Madison
0.3/3" Wt Elephant
0.3/3" Fisher
15-30
G40-60
W-NW
SW-Cooke
Remote Triggered Avalanche - Beaver Slide;
Natural Avalanche North of Cooke City
Sunday 12/3/23 0.0/0" Brackett
0.1/1" Shower
0.1/3" Timber
0.3/5" Carrot
0.6/6" Madison
0.7/7" Wt Elephant
0.6/6" Fisher
15-25
G40-61
W, SW-NW Natural Avalanches near Cooke City ;
Splitboarder triggered avalanche at lionhead;
Shooting Cracks Black Canyon, Island Park;
Lotta slides in black canyon island park.
Saturday 12/2/23 0.4/5" Brackett
0.2/2" Shower
0.3/8" Timber
0.4/6" Carrot
0.4/6" Madison
0.3/7" Wt Elephant
0.4/7" Fisher
10-25
G30-45
W-SW-SE
Friday 12/1/23 0.1/1" Bridger
0.0/0" Shower
0.1/4" Timber
0.1/2" Carrot
0.1/2" Madison
0.0/0" Sawtelle
0.0/0" Fisher
5-15 G30 W
Thursday 11/30/23 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
5-10
G10-15
SW-W
Wednesday 11/29/23 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
5-15 G30
25 G40 Centennials
W-SW
Tuesday 11/28/23 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 G45 SW-NW
Monday 11/27/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.1/1" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-20 G35 W-N
Sunday 11/26/23 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
10-15 G30 W-N
Saturday 11/25/23 0.0/0" Bridger
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
5-15 G45 W-N Shooting cracks and small wind slabs in the Southern Madison Range
Friday 11/24/23 0.1/1" Alpine
0.0/0" Shower
0.1/1" Lobo
0.3/4" Beaver
0.3/4" Madison
0.2/2" Sawtelle
0.0/0" Fisher
10-15 G30
G78 Sawtelle
E-NE Two Natural Avalanches in Flanders
Thursday 11/23/23 0.2/2" Alpine
0.3/4" Shower
0.2/2" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.0/0" Fisher
5-10 G15 N-NE
Wednesday 11/22/23 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
10-15 G 37 W
Tuesday 11/21/23 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
20-30 G37 Bridger
10-15 G25
W-N
Monday 11/20/23 0.2/2" Bridger
0.2/2" Shower
0.3/3" Lone
0.2/2" Beaver
0.5/3" Black Bear
0.2/2" Sawtelle
0.0/0" Fisher
5-10 G20-30 W-NW
Sunday 11/19/23 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 G30 W-SW
Saturday 11/18/23 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
15 G20 W-SW
Friday 11/17/23 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
10-25 G45 SW-NW
Thursday 11/16/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
15-35 G60 W-SW
Wednesday 11/15/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
15-25 G45
40 G60 Centennials
W-SW
Tuesday 11/14/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
15-30 G50 W-SW
Monday 11/13/23 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 G55 W-SW

@0600

Sunday 11/12/23 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.1/1" Madison
0.1/1"
0.2/2" Fisher
20-35 G55 W-SW Skier triggered Windslab Mt Blackmore

@0600, Lionhead Wind not reporting

Saturday 11/11/23 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
10-30
G30-40
SW-W
Friday 11/10/23 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
10-25
G25-45
W
Thursday 11/9/23 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
10-15
G25-40
W-NW
Wednesday 11/8/23 0.3/4" Brackett
0.0/0" Shower
0.2/2" Lone
0.0/0" Carrot
0.2/2" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
10-20
G30-51
SW-W-NW Skier Triggered Wind Slab in The Great One;
Avalanches on Henderson Mtn
Tuesday 11/7/23 0.3/0" Brackett
0.4/3" Shower
0.3/2" Lone
0.7/4" Carrot
0.4/2" Madison
0.3/0" Wt Elephant
0.8/5" Fisher
10-30
G45-62
SW-W
NW-Lionhead

Rain at low elevations

Monday 11/6/23 0.4/0" Alpine
0.4/2" Shower
0.2/1" Lone
0.1/1" Carrot
0.8/0" Madison
0.7/3" Wt Elephant
0.5/2" Fisher
10-25
G30-43
W-SW

Rain at lower elevations

Sunday 11/5/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.7/5" Carrot
0.0/0" Madison
0.6/4" Wt Elephant
0.5/4" Fisher
20-35
G40-50
SW-W

Rain at lower elevations

Saturday 11/4/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
10-20
G30-35
W
Friday 11/3/23 0.5/4" Brackett
0.2/3" Shower
0.2/1" Lone
0.7/6" Carrot
0.4/4" Madison
0.4/3" Wt Elephant
0.5/4" Fisher
20-25
G35-45
10 G25 in Cooke
W Small, Loose Snow Avalanche Bridger Bowl

Rain at lower elevations

Thursday 11/2/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
15-20
G20-30
G45 in Island Park
W-NW
Wednesday 11/1/23 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
G20-35
SW-NW
Tuesday 10/31/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Wt Elephant
0.0/0" Fisher
10-15
G20-30
SW-NW
Monday 10/30/23 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
10-20
G20-35
W-NW
Sunday 10/29/23 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
10-15
G15-30
NW-N
Saturday 10/28/23 0.2/2" Alpine
0.1/1" Shower
0.1/1" Timber
0.1/1" Carrot
0.0/0" Madison
0.0/0" Sawtelle
0.2/4" Fisher
5-10 G10-20 N-W
Friday 10/27/23 0.4/7" Alpine
0.2/2" Shower
0.2/2" Lone
0.2/2" Carrot
0.4/4" Madison
0.4/4" Wt Elephant
0.3/2" Fisher
5-15
G25-35
NW-W-SW

@0600

Thursday 10/26/23 0.4/4" Brackett
0.4/4" Shower
0.5/4" Lone
1.2/10" Carrot
1.2/10" Madison
2.0/10" Wt Elephant
1.5/12" Fisher
10-15
G25-38
SW, E, W

24 hr SWE/snow totals @0600

Wednesday 10/25/23 0.2/2" Brackett
0.2/2" Shower
0.0/0" Timber
0.2/1" Carrot
0.0/0" Madison
0.1/1" Wt Elephant
0.0/0" Fisher
15-40
G50-61
S-SW-W

24 hr SWE/snow totals @0600

Tuesday 10/24/23 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 G20-45 SW-NW

Start of continuous daily weather/avy log

Friday 10/20/23 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
5-20
G20-35
W Avalanche on Blackmore;
Wet slide and wind slabs at Pine Creek
Friday 10/13/23 0.3/2" Alpine
2.2/13" Shower
0.5/4" Lone
0.6/4" Carrot
0.3/3" Madison
0.1/1" Wt Elephant
0.4/3" Fisher
5-15 G30 N-NE

SWE/snow totals from last 48hrs (10/11-10/13).

Wednesday 10/4/23 0.0/0" Brackett
0.7/7" Shower
0.0/0" Lone
0.0/0" Carrot
0.1/1" Madison
0.0/0" Sawtelle
0.0/0" Fisher
5-15 G25 NW-W
Saturday 9/23/23 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
/ Sawtelle
0.4/4" Fisher
NA NA

High peaks (Beartooth and Hyalite) got a few inches in last 48 hours.