Weather and Avalanche Log
Precip and wind are taken between 4-6 a.m. and are for the previous 24 hours. Precipitation is recorded in SWE from SNOTEL and Ski Areas
SNOTEL Locations: Brackett - Bridgers; Shower - Hyalite; Lone - Big Sky; Carrot - S. Madison; Madison - W. Yellowstone; Fisher - Cooke
Ski Area SWE: Alpine - Bridger; Timber - YC
| Date | Map Thumb | Northern Areas | Southern Areas | Wind Speed | Wind Direction | Avalanche Activity | Notes |
|---|---|---|---|---|---|---|---|
| Sunday 4/30/23 | 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 | W-NW | recent natural wet avalanche north of Cooke City | ||
| Saturday 4/29/23 | 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 G30 | W | Recent Wet Avalanches in the T-Roots | ||
| Friday 4/28/23 |  |
0.1/1" Bridger 0.5/5" Shower 0.1/1" Lone |
0.4/3" Carrot 0.3/2" Madison 0.0/0" Wt Elephant 0.4/4" Fisher |
10-20 G50 | W-NW | Wind slabs up high in Beehive; Several large wet slides in north bowl |
|
| Thursday 4/27/23 | 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 |
15-25 G55 | W | SNOTEL is not reporting. 0" precip based on operational weather stations and forecast |
||
| Wednesday 4/26/23 | 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 |
10-20 G15-30 | SW-W-NW | |||
| Tuesday 4/25/23 | 0.4/4" Alpine 0.2/2" Shower 0.3/3" Lone |
0.0/0" Carrot 0.5/4" Madison 0.3/3" Wt Elephant 0.5/5" Fisher |
5-10 G15-25 | SW-S-E-N-NW-W | Wet snow avalanches at Bridger; Large Wet Slides at Bridger |
||
| Monday 4/24/23 |  |
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 |
5-20 G20-30 | SW-W | ||
| Sunday 4/23/23 | 0.0/0" Alpine 0.0/0" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Sawtelle 0.0/0" Fisher |
5-20 G25-35 | SW-NW | |||
| Saturday 4/22/23 | 0.3/4" Alpine 0.2/2" Shower 0.4/9" Lookout |
0.5/7" Carrot 0.2/2" Madison 0.2/2" Wt Elephant 0.1/2" Fisher |
5-15 G15-25 | W-NW E-W Bridgers |
Skier caught and carried above North Bowl at Bridger | ||
| Friday 4/21/23 | 0.2/3" Alpine 0.5/5" Shower 0.3/3" Lone |
0.0/0" Carrot 0.2/2" Madison 0.2/2" Wt Elephant 0.1/1" Fisher |
5-15 G20-40 | W-SW | |||
| Thursday 4/20/23 |  |
1.7/24" Alpine 0.5/5" Shower 0.4/5" Lone |
0.1/1" Carrot 0.1/1" Madison 0.0/0" Sawtelle 0.1/1" Fisher |
5-15 G15-30 | NW-SW | ||
| Wednesday 4/19/23 | 0.8/10" Alpine 0.4/7" Shower 0.3/5" Lookout |
0.5/5" Carrot 0.4/6" Madison 0.3/6" Wt Elephant 0.2/3" Fisher |
10-20 G25-50 | SW-NW | Many avalanches of new snow at Bridger; New snow avalanches at Bridger |
SWE/snow totals @0600 |
|
| Tuesday 4/18/23 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.2/3" Carrot 0.2/2" Madison 0.2/2" Sawtelle 0.1/2" Fisher |
5-20 G 20-50 G72 Big Sky |
SW-W | |||
| Monday 4/17/23 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Bavaria |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Sawtelle 0.0/0" Fisher |
10-20 G50 | W-SW | ||
| Sunday 4/16/23 | 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 G25 | W-SW | Wet Snow Avalanche on The Fin | ||
| Saturday 4/15/23 | 0.2/2" Brackett 0.2/2" Shower 0.2/2" Lone |
0.1/1" Carrot 0.0/0" Madison 0.0/0" Wt Elephant 0.0/0" Fisher |
5-15 G25 | SW-NW | Dry loose avalanche in Crazies | ||
| Friday 4/14/23 |  |
1.1/12" Alpine 0.7/10" Shower 0.4/4" Lookout |
0.2/2" Carrot 0.2/3" Madison 0.3/4" Sawtelle 0.4/4" Fisher |
10-15 G25-45 | SW-W-NE | ||
| Thursday 4/13/23 | 0.1/1" Brackett 0.1/2" Shower 0.2/2" Lone |
0.3/3" Carrot 0.4/4" Madison 0.6/6" Sawtelle 0.5/5" Fisher |
15-25 G35-50 | SE-SW | storm slabs at Bridger | SWE/Snow @0600 |
|
| Wednesday 4/12/23 |  |
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 |
15-30 G40-70 G90 Big Sky |
S-SW | ||
| Tuesday 4/11/23 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Bavaria |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Sawtelle 0.0/0" Fisher |
10-30 G60 | W-S | wet snow avalanches on road in YNP; Wet Slide off Bridger Ridge near Baldy; Natural wet slides on Saddle Peak and Bridger; Natural full depth wet slides in closed terrain at Big Sky; Natural wet slide, Close Call/slushman ravine; Wet slide action in Beehive |
2nd Night w/o freezing temperatures |
| Monday 4/10/23 |  |
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 |
10-15 G35 | W-SW | Cornice Fall, North Madison Range; Wet Snow Avalanches between Idaho and Livingston; Many Full Depth Wet Loose Avalanches at Big Sky; Cornice Fall and wet loose avalanches; Wet Loose Snow Avalanches in the Bridger Range; Natural Wet Snow Avalanches, Fan Mountain; wet snow avalanches near Cooke; Natural wet slides in Bridger Range; Full depth wet snow avalanche near Pioneer Mountain |
|
| Sunday 4/9/23 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Sawtelle 0.1/1" Fisher |
15-20 G30-40 | W-SW | Wet Snow Avalanches Near Pioneer Mountain ; Skier Triggered Avalanche, Lone Lake Cirque; Deep Slab Avalanche Sphinx |
|
| Saturday 4/8/23 |  |
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 |
15 G30-55 | SW-S | Wet slide over highway at quake lake | |
| Friday 4/7/23 |  |
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 |
10-15 G25-30 | SW-W | Wet loose and slab avalanches North of Cooke | |
| Thursday 4/6/23 |  |
0.0/0" Brackett 0.0/0" Shower 0.2/2" Lookout |
0.1/1" Carrot 0.0/0" Madison 0.0/0" Wt Elephant 0.1/1" Fisher |
10-20 G30 | W-SW | Natural Avalanche in Bridgers; Skier triggered wind slab near Cooke; Natural wind slab near Cooke; Snowmobile triggered wind slab Storm Castle; Deep Slab Activity on Jumbo Mountain |
|
| Wednesday 4/5/23 |  |
0.2/8" Alpine 0.1/2" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Sawtelle 0.0/0" Fisher |
10-15 G20 | W-NW | Skier remote trigger in Wolverine Bowl; Deep Slab S Fork Hellroaring |
|
| Tuesday 4/4/23 |  |
0.1/1" Brackett 0.1/1" Shower 0.0/0" Timber |
0.0/0" Carrot 0.1/1" Madison 0.2/3" Wt Elephant 0.0/0" Fisher |
5-10 G30 Bridger 30-40 G75 |
NW-NE | ||
| Monday 4/3/23 |  |
0.0/0" Brackett 0.0/0" Shower 0.1/2" Lobo |
0.1/1" Carrot 0.1/1" Madison 0.1/1" Wt Elephant 0.2/2" Fisher |
5-15 G50 | W-SW-S | Southern gallatin deep slab | |
| Sunday 4/2/23 |  |
0.2/3" Bridger 0.3/3" Shower 0.4/4" Lone |
1.1/10" Carrot 1.2/11" Madison 1.4/8" Sawtelle 1.0/11" Fisher |
15-30 G40-85 | SW-W | Avalanches Above Beaver Creek; Deep Slab Avalanche Seen From Taylor Fork; Natural Avalanche on Climax Path; Tobacco Roots Avalanche; Natural avalanche Naya Nuki ; Big Avalanche Crown, N. Absaroka Range; Recent Natural Avalanche near Cooke City; Large Whumpf in Beehive Basin; Remote Triggered Avalanche, Mineral Mountain; Deep Slab Avalanche, Bald Peak - Lionhead; Natural Avalanche Cycle at Lionhead; Large avalanche in Taylor-Hilgard; Deep Slab Avalanche on Mt. Abundance |
|
| Saturday 4/1/23 |  |
0.1/1" Brackett 0.1/1" Shower 0.1/1" Timber |
0.3/4" Carrot 0.3/3" Madison 0.4/4" Sawtelle 0.3/4" Fisher |
15-30 G30-55 | SW-W | Large natural above Ainger Lake; Natural Avalanches near Battle Ridge; Human-triggered avalanche, Frazier basin ; Natural slides on all aspects of Nemesis Mountain |
|
| Friday 3/31/23 |  |
0.2/2" Alpine 0.3/3" Shower 0.0/0" Timber |
0.1/1" Carrot 0.0/0" Madison 0.1/1" Sawtelle 0.1/1" Fisher |
10-20 G15-25 | SW-W | Remotely trigged small slide in Portal Creek ; Natural wind slab on Cedar Mountain |
|
| Thursday 3/30/23 |  |
0.2/2" Brackett 0.2/2" Shower 0.2/3" Timber |
0.3/3" Carrot 0.3/3" Madison 0.4/4" Wt Elephant 0.2/2" Fisher |
10-15 G23 | SE-SW | Skier triggered Deep Slab in Lone Lake Cirque | |
| Wednesday 3/29/23 |  |
0.1/1" Brackett 0.2/2" Shower 0.2/2" Timber |
0.2/2" Carrot 0.1/1" Madison 0.1/1" Wt Elephant 0.2/2" Fisher |
10-15 G25-30 | SE-S-SW | Natural avalanche on Buck Ridge | |
| Tuesday 3/28/23 |  |
0.2/2" Brackett 0.1/1" Shower 0.1/1" Lone |
0.1/1" Carrot 0.2/2" Madison 0.2/2" Wt Elephant 0.0/0" Fisher |
10-15 G35 | W-SW | Natural avalanches in Hyalite | |
| Monday 3/27/23 |  |
0.4/8" Alpine 0.3/4" Shower 0.4/5" Timber |
0.5/5" Carrot 0.1/1" Madison 0.2/5" Wt Elephant 0.2/2" Fisher |
5-10 G15-20 10 G29 @BB,LH |
NW-N-E | Natural release Battle Ridge; Wyoming Bowl Avalanche, Remote Trigger; Large avalanche on Bridger Peak |
|
| Sunday 3/26/23 |  |
0.8/14" Alpine 0.6/6" Shower 0.3/4" Lone |
0.4/4" Carrot 0.4/4" Madison 0.4/4" Wt Elephant 0.1/1" Fisher |
5-10 G15-20 | NW-SW-SE | New snow avalanches at Portal Crk; Recent avalanches on the Throne |
|
| Saturday 3/25/23 |  |
0.4/6" Alpine 0.9/12" Shower 0.5/7" Lobo |
0.2/4" Carrot 0.4/7" Madison 0.7/12" Wt Elephant 0.2/3" Fisher |
10-20 G20-30 | W-N | Natural avalanche in Beehive Basin; Small skier triggered slide near Little Ellis, partial buried |
|
| Friday 3/24/23 |  |
0.1/2" Brackett 0.0/0" Shower 0.2/3" Timber |
0.0/0" Carrot 0.1/1" Madison 0.1/1" Wt Elephant 0.1/1" Fisher |
15-20 G25-30 | SW-W | ||
| Thursday 3/23/23 |  |
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 G35 | NW-SW | Snowmobiler triggered, caught and injured, Daisy Pass | |
| Wednesday 3/22/23 |  |
0.1/1" Brackett 0.1/1" Shower 0.1/1" Lookout |
0.1/1" Carrot 0.1/1" Madison 0.1/1" Wt Elephant 0.1/1" Fisher |
5-10 G15 | NE (NW Bridger) | Sluffing and wet slides on blackmore; Deep slab on Elephant Mtn. |
|
| Tuesday 3/21/23 |  |
0.3/3" Brackett 0.4/4" Shower 0.3/3" Lone |
0.2/4" Carrot 0.4/4" Madison 0.5/5" Wt Elephant 0.5/7" Fisher |
5-15 G35 20-25 G35 W. Yell. |
E-SW | New snow slide in divide basin; Small wind slabs on Woody Ridge; Natural on Lionhead Ridge |
|
| Monday 3/20/23 |  |
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 |
5-20 G25-35 | SW SE-Bridgers |
New snow avalanches, Frazier Basin | |
| Sunday 3/19/23 |  |
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 G20-30 |
SW | Natural Point release triggered a deep slab, Emigrant (outside fx area); Old deep slab in Spanish creek.; Wet slide in Lower Middle Cottonwood Canyon |
|
| Saturday 3/18/23 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Wt Elephant 0.0/0" Fisher |
10-15 G15-20 | S-W-NW | Large snowmobile triggered slide on Henderson; Skier caught in Crazies (outside forecast area) |
|
| Friday 3/17/23 |  |
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 |
5-10 G15 | W-N | ||
| Thursday 3/16/23 |  |
1.5/11" Bridger 0.8/14" Shower 0.8/11" Timber |
0.6/6" Carrot 0.6/6" Black Bear 0.6/6" Wt Elephant 0.6/6" Fisher |
10-15 G 25 | W-NW | Big avalanche on Mount Bole; Avalanche on Approach To Electric Pk ; Avalanche on Scotch Bonnet; Natural avalanche on Alex Lowe Pk |
|
| Wednesday 3/15/23 |  |
0.5/2" Brackett 0.3/2" Shower 0.1/1" Lookout |
1.2/12" Carrot 1.1/11" Madison 1.5/18" Wt Elephant 0.9/10" Fisher |
25-30 G64 (10-30 Bridgers) | SW | Natural Avalanches Tepee Basin; Natural Avalanche Gallatin River near Bacon Rind; Many natural avalanches in Island Park; Natural avalanches in new snow around Cooke; Extensive Avalanche Cycle in LH; large natural avalanches north of Cooke; Hellroaring Creek Avalanche Cycle |
AVALANCHE WARNING: S. Madison, S. Gallatin, Lionhead, Centennials, Cooke City |
| Tuesday 3/14/23 |  |
0.1/1" Brackett 0.0/0" Shower 0.3/3" Lone |
0.6/6" Carrot 0.5/5" Madison 1.2/14" Wt Elephant 0.6/6" Fisher |
15-40 G70 | W-S | Natural Avalanche Sunlight Basin; Natural Avalanche Sage Basin; Natural Avalanche, Head of Sage Creek; Hellroaring Creek Avalanche Cycle |
AVALANCHE WARNING: CENTENNIAL MOUNTAINS |
| Monday 3/13/23 |  |
0.0/0" Alpine 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 |
10-15 G30 | S-W | ||
| Sunday 3/12/23 |  |
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 |
5-10 G15-20 | SW | Snowmobile triggered, Marty's, Cooke; Snowmobile triggered avalanche Beartooth Pass; Collapse At Telemark Meadows; Rasta Chutes Avalanche |
|
| Saturday 3/11/23 |  |
0.5/4" Brackett 0.3/2" Shower 0.8/6" Lone |
0.7/5" Carrot 0.7/5" Madison 0.9/7" Wt Elephant 1.0/7" Fisher |
20-30 G45-60 | W-NW | Very large natural on Fisher Mtn.; Natural avalanche on Town Hill, Cooke; Natural avalanche, Republic Creek; Snowmobile triggered slide, Crown Butte; Snowmchine remote trigger Large avalanche near Lake Abundance; Dudley Creek Avalanche ; Electric Peak Avalanches; Natural Avalanches Tepee Basin; Red Mountain Avalanche; Bacon Rind Road Cut Avalanche |
105 mph gusts yesterday afternoon at Lone Mountain and Lionhead |
| Friday 3/10/23 |  |
0.0/0" Alpine 0.2/2" Shower 0.1/2" Timber |
0.3/3" Carrot 0.6/6" Madison 0.6/6" Wt Elephant 0.3/3" Fisher |
25-40 G35-55 | S-SW | 3 large avalanches at Lionhead; Natural avalanches near Cooke; Several avalanches observed near Cooke; Natural avalanche at Frazier Basin; Natural avalanches near Silver Gate; Natural small deep slab on Sheep; Many Natural Avalanches Lionhead Area |
|
| Thursday 3/9/23 |  |
0.0/0" Brackett 0.0/0" Shower 0.1/2" Timber |
0.2/2" Carrot 0.2/3" Madison 0.1/1" Wt Elephant 0.1/1" Fisher |
5-10 G 20 (20-30 Bridgers) | S-SW (E Bridgers) | ||
| Wednesday 3/8/23 |  |
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 |
5-15 G20 (25-35 Hyalite) | SW | Divide & Blackmore slides ; Skier triggered slide near Bacon Rind; Steep, rocky, N-facing avalanches: Cooke |
|
| Tuesday 3/7/23 |  |
0.2/4" Brackett 0.1/2" Shower 0.1/2" Timber |
0.2/4" Carrot 0.2/4" Madison 0.1/2" Wt Elephant 0.1/2" Fisher |
5-15 G30 | W-SW | Sledder triggered + naturals in LH; Airplane bowl avalanche, North Bridger Range |
|
| Monday 3/6/23 |  |
0.5/11" Brackett 0.2/3" Shower 0.1/2" Lone |
0.3/5" Carrot 0.2/3" Madison 0.4/6" Wt Elephant 0.3/5" Fisher |
5-20 G50 | E - SE - S NE Cooke |
New Snow Avalanches, The Ramp; Collapse in Hayden Creek |
|
| Sunday 3/5/23 |  |
0.1/1" Brackett 0.1/1" Shower 0.2/3" Timber |
0.3/3" Carrot 0.5/8" Madison 0.5/6" Sawtelle 0.3/3" Fisher |
5-10 G15-20 25G44 Bridger |
S-SE-E | New snow avalanches North Bridgers; Natural Avalanche near Miller Mountain |
|
| Saturday 3/4/23 |  |
0.1/3" Brackett 0.3/6" Shower 0.2/4" Lobo |
0.0/0" Carrot 0.1/1" Madison 0.2/3" Wt Elephant 0.2/2" Fisher |
10-15 G20-30 | W-SW-S | Skier triggered slide on Elephant N. Face ; Large Skier Triggered Avalanche Hyalite Pk; Skier caught and injured on Lawn Mower; cornice fall in maid of the mist |
|
| Friday 3/3/23 |  |
0.0/0" Bridger 0.1/1" Shower 0.2/4" Timber |
0.3/3" Carrot 0.3/3" Madison 0.3/3" Sawtelle 0.1/1" Fisher |
15-20 G35 (58 in Bridgers) | SW-W | Snowmobile triggered off HWY 212; Snowmobiler triggered slide Buck Ridge |
|
| Thursday 3/2/23 |  |
0.1/1" Brackett 0.1/1" Shower 0.2/3" Lookout |
0.1/1" Carrot 0.1/1" Madison 0.2/2" Wt Elephant 0.2/2" Fisher |
10-20 G38 (30-50 in Bridgers) | W-NW | skier triggered large slide near Daisy; Skier Triggered Avalanche near Miller Mountain |
|
| Wednesday 3/1/23 |  |
0.1/1" Brackett 0.0/0" Shower 0.1/1" Bavaria |
0.1/1" Carrot 0.2/3" Madison 0.4/6" Sawtelle 0.3/5" Fisher |
5-15 G60 | SW-S | Winds were 20-35 from the SW before dropping off late Tuesday night |
|
| Tuesday 2/28/23 |  |
0.1/1" Brackett 0.0/0" Shower 0.1/1" Lone |
0.1/1" Carrot 0.3/3" Madison 0.4/4" Sawtelle 0.2/2" Fisher |
10-25 G55 | S-W | Snowmobile triggered avalanche Cabin Creek; Whumpf at Quake Lake; Very Large avalanche on Henderson Mtn.; Natural avalanche on Miller Ridge |
|
| Monday 2/27/23 |  |
0.2/3" Bridger 0.2/2" Shower 0.3/5" Lone |
0.6/6" Carrot 0.6/6" Madison 0.8/6" Wt Elephant 0.6/8" Fisher |
15-25 G35-55 |
SW-W | Small natural avalanche Buck ridge; Natural Avalanche Sage Basin |
@0600 |
| Sunday 2/26/23 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.1/1" Carrot 0.2/2" Madison 0.1/1" Wt Elephant 0.1/1" Fisher |
20-35 G35-65 G82 Big Sky |
S-SW | Two skiers caught on town hill, Cooke | |
| Saturday 2/25/23 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Timber |
0.3/3" Carrot 0.3/4" Madison 0.3/5" Sawtelle 0.4/4" Fisher |
20-30 G45-65 | W-SW | Natural avalanche hit Daisy Pass road; Natural Avalanche on E. Henderson Bench; Skier triggered wind slab, S. Gallatin ; Skier triggered and caught near Round Lake; Rider partially buried on Abundance; Natural avalanches in Sheep and Republic; Natural Avalanche b/w Cooke City and Silver Gate |
|
| Friday 2/24/23 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Timber |
0.3/3" Carrot 0.3/3" Madison 0.4/6" Sawtelle 0.2/2" Fisher |
10-20 G35 | SW-SE | Whumpf on wind drift at Lulu Pass; Rider triggered wind slab Buck Ridge; Natural Cornice Collapse in Beehive ; Natural avalanche on Emigrant Peak; Large natural wind slab avalanche Mt. Blackmore; Natural avalanche on Fan Mountain; Recent wind slabs at Lionhead; Natural Avalanche, Mount Bole Basin; Natural avalanche witnessed - Pilot Creek; Natural Avalanche Overlook Mountain |
|
| Thursday 2/23/23 |  |
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 |
10 G20 (Bridger 30-45 E) | SW | Snowmobiler partially buried at Lionhead | Mountain temps at 4am are -28 to -10F. |
| Wednesday 2/22/23 |  |
0.5/5" Bridger 0.5/5" Shower 0.4/7" Timber |
0.2/3" Carrot 0.3/3" Madison 0.2/3" Wt Elephant 0.5/3" Fisher |
5-15 G25 (48 G70 Bridger) | N-E | YNP and Cooke instability; Two large naturals, Cooke; Natural wind slab in Lamar |
Snowfall stopped yesterday afternoon and east wind kicked in with cold temps (-1 to -16F). |
| Tuesday 2/21/23 |  |
0.4/6" Brackett 0.2/2" Shower 0.4/4" Lone |
0.2/2" Carrot 0.4/4" Madison 0.3/3" Wt Elephant 1.5/17" Fisher |
20-35 G55 | W-SW | Natural Avalanche, Wall Mountain; Avalanche Cycle in Cooke City |
AVALANCHE WARNING: Bridger Range, Cooke City |
| Monday 2/20/23 |  |
2.2/13" Brackett 0.7/9" Shower 0.4/7" Great Bear |
0.5/5" Carrot 0.5/5" Madison 0.3/4" Wt Elephant 0.8/12" Fisher |
15-25 G55 | W-NW | Climax Path, Natural Avalanche; Natural Avalanches, Bridger Range; Natural Avalanche, 2nd Yellowmule; Ski Cut Triggered Avalanche near Big Sky |
AVALANCHE WARNING: BRIDGER RANGE/ COOKE CITY |
| Sunday 2/19/23 |  |
1.2/20" Bridger 0.6/8" Shower 0.4/10" Great Bear |
0.4/5" Carrot 0.1/2" Madison 0.1/1" Sawtelle 0.1/2" Fisher |
5-15 G25-30 20G39 Bridgers |
SW-NW | ||
| Saturday 2/18/23 |  |
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 |
10-25 G30-45 |
SW-W | Fairy lake wind slabs; Snowmobiler Carried, Mount Abundance |
|
| Friday 2/17/23 |  |
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 G45 in Hyalite |
SW-W | ||
| Thursday 2/16/23 |  |
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 |
10-15 G25 (30-40 Bridgers) | W-N | Snowmobile triggered slide on Crown Butte; Small skier triggered slide in Bradleys |
|
| Wednesday 2/15/23 |  |
0.2/3" Alpine 0.5/11" Lick Creek 0.5/6" Lookout |
0.4/8" Carrot 0.1/1" Black Bear 0.5/8" Wt Elephant 0.1/1" Fisher |
10-20 G30 | W-N | Slide on north face of Blackmore; Storm slab in Buck; Snowmobiler triggered avalanche, Lionhead; Natural avalanche in Twin Falls Basin |
|
| Tuesday 2/14/23 |  |
0.4/6" Alpine 0.5/7" Lick Creek 0.4/6" Bavaria |
0.4/6" Carrot 0.2/4" Madison 0.4/6" Sawtelle 0.3/4" Fisher |
5-15 G45 | SW-NW | Deep snow and whumpf in Lick Creek; Small nat. avalanches in Flanders; Skier triggered slide in Beehive; Small remote trigger on history rock; Small storm slabs on Sourdough Canyon road cuts |
|
| Monday 2/13/23 |  |
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 |
15-25 G40 | W-S | ||
| Sunday 2/12/23 |  |
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 G25 25G40 Bridger |
SW-NW | ||
| Saturday 2/11/23 |  |
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 G25-35 5 G15 in Cooke |
S-W | Cornice crack triggered by skiers | |
| Friday 2/10/23 |  |
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 G25-35 | S-NW | Small natural wind slab near Cooke City; Small wind slab wheeler; Natural avalanche in Red Canyon |
|
| Thursday 2/9/23 |  |
0.4/4" Bridger 0.5/5" Shower 0.5/7" Lookout |
0.1/2" Carrot 0.1/2" Madison 0.2/3" Sawtelle 0.2/3" Fisher |
10-15 G 20 G32 in Bridgers |
W-N | Small Snowmobile Triggered Slide in Tepee Creek; Very Small Wind Slab in Sheep Creek |
|
| 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; Many large Natural Avalanches at Lionhead |
|
| 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; Natural storm snow on surface hoar? in Beehive |
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; Large natural in Beehive/GoingHome Chute |
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. |