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 |
|---|---|---|---|---|---|---|---|
| Friday 4/30/21 |  |
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 G25-30 | W-SW | Overnight temps 40 F at 8,000-9,500'. 50-60 F at 6,000-7,500'. |
|
| Thursday 4/29/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G35-50 |
W | Natural wet slides on Republic Mtn | Overnight temps >0C below 8,000' elev. |
|
| Wednesday 4/28/21 | 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 G22-35 |
W-SW | Natural wet loose slides in Absarokas; Natural wet slides in Bridger Range, 4/26-4/28 |
||
| Tuesday 4/27/21 | 0.1/1" Brackett 0.1/1" Shower 0.1/1" Lone |
0.4/3" Carrot 0.0/0" Madison 0.2/2" Fisher |
5-10 G20 | W-N-NE | |||
| Monday 4/26/21 |  |
1.0/7" Brackett 0.2/3" Shower 0.6/7" Timber |
0.7/7" Carrot 0.3/2" Madison 0.6/6" Fisher |
10-15 G20-35 |
SW-W | Natural new snow avalanches at Bridger and N. Madison | |
| Sunday 4/25/21 | 0.3/3" Brackett 0.2/1" Shower 0.3/2" Timber |
0.9/7" Carrot 0.2/0" Madison 1.1/10" Fisher |
10-20 G20-35 |
W-SW | |||
| Saturday 4/24/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 | W-SW | |||
| Friday 4/23/21 |  |
0.3/2" Brackett 0.3/2" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.2/1" Fisher |
5-15 G20 | E-Bridgers W-Big Sky S-Cooke |
||
| Thursday 4/22/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G20 | W-NW | |||
| Wednesday 4/21/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G15 | SE-NE | |||
| Tuesday 4/20/21 | 0.2/2" Brackett 0.1/1" Shower 0.1/2" Timber |
0.1/1" Carrot 0.0/0" Madison 0.1/1" Fisher |
5-10 G15-25 | W-NW-N | |||
| Monday 4/19/21 |  |
0.5/7" Brackett 0.1/1" Shower 0.1/1" Timber |
0.0/0" Carrot 0.0/0" Madison 0.1/2" Fisher |
5-10 G15 25 G43 Bridger |
NW-N E@Bridger |
||
| Sunday 4/18/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20-25 |
NW | |||
| Saturday 4/17/21 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G25 | N-NE | |||
| Friday 4/16/21 |  |
0.1/1" Brackett 0.0/0" Shower 0.0/0" Timber |
0.1/1" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20-30 | NE-E | ||
| Thursday 4/15/21 | 0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G25 | E-NE | |||
| Wednesday 4/14/21 | 0.2/2" Brackett 0.1/1" Shower 0.0/1" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G20-30 | NE-E | |||
| Tuesday 4/13/21 | 0.1/1" Brackett 0.0/0" Shower 0.0/0" Lone |
0.1/1" Carrot 0.0/0" Madison 0.0/0" Fisher |
|||||
| Monday 4/12/21 |  |
0.2/2" Brackett 0.1/1" Shower 0.1/1" Lobo |
0.1/1" Carrot 0.0/0" Madison 0.2/2" Fisher |
5-10 G20 | N-NW | ||
| Sunday 4/11/21 |  |
0.2/2" Bridger 0.5/5" Shower 0.2/3" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G25-35 |
SW-NW | Last daily avalanche forecast. |
|
| Saturday 4/10/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G25-45 |
W-SW | ||
| Friday 4/9/21 |  |
0.1/1" Brackett 0.7/6" Shower 0.4/5" Timber |
0.3/4" Carrot 0.2/3" Madison 0.2/2" Fisher |
15-25 G30-40 | SW-NW | Natural wind slabs in Absaroka | |
| Thursday 4/8/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Lionhead 0.0/0" Fisher |
10-15 G25-40 | SW-W | ||
| Wednesday 4/7/21 |  |
0.2/2" Brackett 0.4/4" Shower 0.1/1" Lobo |
0.2/2" Carrot 0.1/1" Madison 0.2/2" Fisher |
10-20 G25 | SW-NW | Temps in the 20s F all night, beginning to rise at 0400 in some areas |
|
| Tuesday 4/6/21 |  |
0.3/3" Brackett 0.8/6" Shower 0.3/3" Timber |
0.8/8" Carrot 0.4/6" Madison 0.4/4" Fisher |
5-10 G30 | N | Precip likely began as rain in some areas before turning to snow. Winds hit all directions before turning north. The last of the weather stations dipped below freezing at 1900, many areas got a full 24 hours of below freezing temps. |
|
| Monday 4/5/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G25-30 |
SW-W ESE-Bridger |
Light freeze with temps near freezing and clouds. |
|
| Sunday 4/4/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G35 | W-SW | Wet Slab in Main Boulder; Collapse in wet snow near Cooke |
Poor/No freeze last night? |
| Saturday 4/3/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25-35 | W | Wet, Loose Avalanches, Beehive Basin; Natural wet loose avalanche in N. Bridgers |
Poor/No Refreeze |
| Friday 4/2/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-25 G45-55 | SW-W | Natural wet loose in N. Bridgers | No freeze at lower elevations |
| Thursday 4/1/21 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 | SW-W | ||
| Wednesday 3/31/21 |  |
0.1/3" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-G30; 30-G50 Bridger | SW-NW | ||
| Tuesday 3/30/21 |  |
0.1/1" Brackett 0.2/2" Shower 0.1/2" Lobo |
0.1/1" Carrot 0.1/1" Madison 0.1/1" Fisher |
10-20 G30-40 | W-NW | ||
| Monday 3/29/21 |  |
0.1/1" Alpine 0.1/1" Shower 0.1/2" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
20-40 G75-85 60 G104 BigSky |
SW-W | ||
| Sunday 3/28/21 |  |
0.2/2" Brackett 0.1/1" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G35-55 | W-SW | Small natural wind slabs in Hyalite; Wind-Slab, Miller Mountain; Small Natural Avalanche, Saddle Peak; Natural Avalanches on Wind-Loaded Slopes, Taylor Fork |
|
| Saturday 3/27/21 |  |
0.1/1" Brackett 0.1/1" Shower 0.2/10" Bavaria |
0.1/1" Carrot 0.0/0" Madison 0.1/1" Fisher |
15-20 G30-40 |
NW-W | Skier triggered wind slab, S. Madison; Natural avalanches in Hyalite: A Lowe peak, Flanders; Skier triggered wind slabs Mt Blackmore; Skier remote triggered deep slab near Mt Blackmore; Skier triggered wind slab in Hyalite; Sled triggered large avalanche, McAtee Basin; Large natural wind slab on Iceberg Peak, near Cooke |
|
| Friday 3/26/21 |  |
0.2/2" Brackett 0.5/5" Shower 0.5/9" Timber |
0.3/3" Carrot 0.1/1" Madison 0.1/1" Fisher |
5-10 G25 Bridgers |
N-W E in Cooke |
Small skier triggered wind slab in Middle Basin; Small Slab on Electric Peak; Large natural in Tobacco Roots |
|
| Thursday 3/25/21 |  |
0.6/7" Brackett 0.2/2" Shower 0.3/10" Timber |
0.3/3" Carrot 0.3/3" Madison 0.2/2" Fisher |
10-15 G25-30 | S-W | ||
| Wednesday 3/24/21 |  |
0.1/1" Brackett 0.2/2" Shower 0.1/1" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G35 Bridgers | SW-NW | Texas Meadow whumpfing and cracking | |
| Tuesday 3/23/21 |  |
0.7/7" Alpine 0.3/4" Shower 0.5/8" Timber |
0.3/4" Carrot 0.2/3" Madison 0.2/3" Fisher |
5-15 G10-25 | NW-N | Small soft slab triggered on Mummy (Flanders Side) | |
| Monday 3/22/21 |  |
0.1/1" Alpine 0.0/0" Shower 0.1/3" Lobo |
0.0/0" Carrot 0.1/1" Madison 0.0/0" Fisher |
10-20 G20-35 | W-SW | Small cornice triggered slide above Blackmore Lake | |
| Sunday 3/21/21 |  |
0.3/4" Bridger 0.6/5" Shower 0.6/5" Lone |
0.6/5" Carrot 0.9/10" Madison 0.7/8" Fisher |
10-20 G25-35 | NW | Skier Triggered Avalanche, Alex Lowe Peak ; Skier Triggered Avalanche, Mount Blackmore; Small Skier Triggered Sluff, Beehive Basin |
|
| Saturday 3/20/21 |  |
0.6/5" Alpine 0.7/6" Shower 0.6/7" Timber |
0.8/8" Carrot 0.6/6" Madison 0.2/2" Fisher |
0-5 G15 | W-SW | Remote triggered slab Hyalite Peak | |
| Friday 3/19/21 |  |
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 G25-35 | S-W | ||
| Thursday 3/18/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G25 | S-SW | ||
| Wednesday 3/17/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
1-10 | SE | Large Whumph in Specimen Creek | |
| Tuesday 3/16/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G20-35 | W-N | ||
| Monday 3/15/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G20 | SW-W | ||
| Sunday 3/14/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20-30 35 G52 Bridgers |
E-NE | ||
| Saturday 3/13/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G10-20 | N-E | Natural cornice fall nearly missed skiers, near Abiathar | |
| Thursday 3/11/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5 G10 | W-N | ||
| Wednesday 3/10/21 |  |
0.2/2" Brackett 0.2/2" Shower 0.1/2" Lobo |
0.2/2" Carrot 0.2/2" Madison 0.3/3" Fisher |
5-10 G15 | W-N | Skier triggered loose snow slide, Rasta Chutes | |
| Tuesday 3/9/21 |  |
0.2/2" Brackett 0.2/2" Shower 0.2/3" Timber |
0.5/4" Carrot 0.4/6" Madison 0.3/3" Fisher |
10-20 G40 | SW-NW | Small Storm Slabs in Cooke City | |
| Monday 3/8/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20 G44 Big Sky |
SW-S | ||
| Sunday 3/7/21 |  |
0.5/4" Alpine 0.0/0" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 G36 Cooke |
SW | ||
| Saturday 3/6/21 |  |
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 G30 G55 in Hyalite |
SW-SE | ||
| Friday 3/5/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20 | S-W | Natural avalanche (bison trigger?) in YNP near Cooke; Snowmobile Triggered Avalanche, East of Cooke City |
|
| Thursday 3/4/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-10 G20 | W-SW in north; E-SE in south | Natural Avalanche West of Cooke City; Small Skier Triggered Slide in Gallatin Canyon; Wet loose in Beehive |
|
| Wednesday 3/3/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G 30 | W-SW | ||
| Tuesday 3/2/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G40 30 G50 Hyalite |
W-SW | Wet loose slides on Buck and 191 | |
| Monday 3/1/21 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G30-50 | WNW-SW | ||
| Sunday 2/28/21 |  |
0.2/4" Alpine 0.1/3" Shower 0.1/2" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
25 G30-50 10 G20 south |
SW-NW | Snowbike triggered avalanche, Red Canyon near W. yellowstone; Third Yellow Mule / Skier triggered slide + sympathetic; Natural avalanche at Daisy Pass, Cooke City; Small Avalanche in Specimen Creek; Two large deep slabs near Maid of the Mist; Deep slab in S Madison on Finger Mtn. |
|
| Saturday 2/27/21 |  |
0.5/7" Brackett 0.4/4" Shower 0.3/4" Timber |
0.3/3" Carrot 0.7/10" Madison 0.3/3" Fisher |
5-10 G25 | SW-NW | Skier triggered cornice N of Peters Point, adjacent to Bridger Bowl boundary; Sage Basin Avalanche; Large avalanche on Big Horn Peak |
|
| Friday 2/26/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.1/2" Timber |
0.3/4" Carrot 0.4/4" Madison 0.2/2" Fisher |
15-25 G35-55 | S-W | ||
| Thursday 2/25/21 |  |
0.1/2" Alpine 0.1/1" Shower 0.1/2" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G40 in Bridgers | W-SW | Natural avalanche on Buck Ridge | |
| Wednesday 2/24/21 |  |
0.1/2" Alpine 0.1/2" Shower 0.2/3" Timber |
0.1/-1" Carrot 0.1/1" Madison 0.2/2" Fisher |
10-15 G25 | W-SW | Small natural avalanche in Beaver Creek; Elephant Mountain natural avalanche, Hyalite; Natural deep slab avalanches on Cedar Mtn; Natural slides in Hyalite Basin; Small natural near Fawn Pass; Natural avalanche in Madisons |
|
| Tuesday 2/23/21 |  |
0.8/8" Brackett 0.1/1" Shower 0.3/2" Timber |
0.2/2" Carrot 0.3/3" Madison 1.0/10" Fisher |
20-30 G60-75 15 G40 Taylor/ West |
W-SW | Natural Wind Slab avalanches around Cooke City; Cornice triggered avalanche on Wolverine Peak; Deep avalanche on wind loaded slope near Cooke |
|
| Monday 2/22/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.3/4" Carrot 0.2/3" Madison 0.1/2" Fisher |
25-30 G60-70 North 10-20 G30-40 South |
W-SW | Natural and deep avalanche in Lone Lake Cirque | |
| Sunday 2/21/21 |  |
0.2/2" Bridger 0.1/3" Shower 0.2/2" Lone |
0.2/3" Carrot 0.0/0" Madison 0.1/2" Fisher |
20-30 G40-57 15-25 south |
W-SW WNW Cooke |
Natural Avalanches, Thunderer Mountain | |
| Saturday 2/20/21 |  |
0.2/2" Brackett 0.1/1" Shower 0.1/1" Timber |
0.3/4" Carrot 0.3/3" Madison 0.4/4" Fisher |
10-20 G20-30 |
W-SW | Snowmobile triggered Avalanches (2), McAtee Basin; Collapse on town hill near Cooke; Natural Avalanche, Northern Madison Range; Specimen Creek ; Natural on Ridge North of Blackmore; Naturals at Lionhead |
|
| Friday 2/19/21 |  |
0.1/2" Alpine 0.2/2" Shower 0.2/6" Timber |
0.2/2" Carrot 0.3/3" Madison 0.1/1" Fisher |
25-30 G40-50 10-15 G25 West & Cooke |
S-W | Whumph and small avalanche in Gallatin Canyon; Whumph on Little Mt. Ellis; Natural Deep Slab on A. Lowe Peak |
|
| Thursday 2/18/21 |  |
0.2/5" Alpine 0.3/5" Shower 0.3/4" Lookout |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 | W-NW | Natural New snow slabs, cornice falls, dry loose in south Bridgers; Natural Avalanche South of Saddle Peak; Snowmobile Triggered Slide on Crown Butte; Natural avalanche below Maid of the Mist; Natural avalanche on Blackmore east face; Natural Deep Slab Flanders |
|
| Wednesday 2/17/21 |  |
0.7/8" Alpine 1.0/12" Shower 0.6/8" Timber |
0.3/4" Carrot 0.1/1" Madison 0.1/2" Fisher |
15 G25-30 | W-NW | AVALANCHE WARNING for Bridger, northern Madison and northern Gallatin Ranges. |
|
| Tuesday 2/16/21 |  |
1.1/11" Brackett 0.3/4" Shower 0.5/12" Timber |
0.7/8" Carrot 0.4/5" Madison 0.3/4" Fisher |
10-20 G40 | W (NW Cooke) | Snowmobile triggered road cut in Olson Creek; Wind Slab, Fisher Mountain |
|
| Monday 2/15/21 |  |
0.4/8" Brackett 0.2/4" Shower 0.2/2" Lobo |
0.2/3" Carrot 0.2/3" Madison 0.2/3" Fisher |
5-15 G30 | SW-NW | Collapsing Near Hebgen Lake | |
| Sunday 2/14/21 |  |
0.0/2" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20 25-35 G50 Bridger |
NE-SE | Splitboarder triggered, caught and killed in Beehive; Very Large, Natural Avalanches Divide Basin |
|
| Saturday 2/13/21 |  |
0.0/0" Brackett 0.2/2" Shower 0.2/2" Timber |
0.1/1" Carrot 0.2/3" Madison 0.2/2" Fisher |
5-15 G10-20 | NW-W E in Bridgers & Lionhead |
Natural slide in Hayden Ck south of Cooke; Wind slab avalanche north of Bridger; Snowmobile triggered slides in Cabin Creek; Snowmobile triggered small slides near Daisy Pass; Natural Avalanche, West Side Woody Ridge |
|
| Friday 2/12/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.1/1" Madison 0.0/0" Fisher |
10-20 G30-40 | SW-NW E in Bridgers |
Small Natural Avalanche, Scotch Bonnet | |
| Thursday 2/11/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-30 G40-50 Madisons | SW-NW | Remotely triggered avalanches in Portal Creek; Snowmobile Triggered Slide on Lionhead Ridge; Ernie Miller Ridge Naturals |
|
| Wednesday 2/10/21 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G40 30 G60 Taylor Fork |
W | ||
| Tuesday 2/9/21 |  |
0.4/9" Alpine 0.3/6" Shower 0.1/3" Timber |
0.2/4" Carrot 0.0/0" Madison 0.2/4" Fisher |
10-20 G40 | W-SW | Natural Avalanche on Town Hill, Cooke City; Large natural avalanche on Mt. Abundance, Cooke; Natural avalanche on Henderson Ridge, Cooke City; Natural avalanches on Woody Ridge |
|
| Monday 2/8/21 |  |
0.2/4" Alpine 0.6/6" Shower 0.6/6" Timber |
0.4/4" Carrot 0.0/0" Madison 0.2/2" Fisher |
15-25 G25-40 | W-NW | Remote Trigger Outside of YC; Sheep Creek - Gully east of Miller Trees; Small Avalanches, Ramp; Cooke City Soft Slabs; Many natural avalanches on Buck Ridge; Many Natural Avalanches - Muddy Creek; Natural Avalanches on Cedar mountain; Natural, North Face Alex Lowe; Middle Basin Avalanches |
|
| Sunday 2/7/21 |  |
0.5/6" Brackett 0.5/6" Shower 0.9/16" Timber |
0.8/8" Carrot 0.5/5" Black Bear 1.0/10" Fisher |
15-25 G35-55 G69 Taylor Fork |
W-NW | Skier triggered test slope (and collapses) Beehive ; Natural avalanahce (and collapsing) Specimen Creek; Natural avalanche in Y-couloir west side Bridgers; Natural avalanche on Cedar Mtn.; Large explosive triggered, and naturals on road cuts, at Y.C. ; Natural new snow slabs in YNP near Cooke; Dudley Creek; Widespread Cracking on Mt Ellis; Natural Avalanches, Yellow Mountain ; Multiple avalanche on Skyline Ridge; Natural Avalanche on Lionhead Ridge; Natural avalanche in Beehive Basin |
AVALANCHE WARNING for Bridgers, Madisons, Gallatins, Cooke City (snow totals @0600) |
| Saturday 2/6/21 |  |
1.1/12" Alpine 0.8/8" Shower 0.4/7" Timber |
0.5/6" Beaver 0.4/4" Black Bear 0.7/6" Fisher |
20-30 G50-60 | W-NW | Collapses and small remote triggered avalanche specimen crk ; Whumphing and small dry loose slides near Ross Peak; Snowmobile triggered near Lionhead; Skier remote triggered small slab, N. Bridgers; Natural avalanches along Bridger Ridge; Natural Avalanches West of Cooke City |
|
| Friday 2/5/21 |  |
1.0/12" Alpine 0.6/8" Shower 0.3/7" Timber |
0.4/4" Carrot 0.5/8" Black Bear 0.3/3" Fisher |
15-20 G30-35 G45 Hyalite |
W-NW | Skier triggered and partially buried on Woody Ridge; Whumpfs and cracks in Specimen Creek; Natural avalanche near Fairy Lake; Whumpfs at Bacon Rind; Large natural avalanche in Divide cirque; Large Natural avalanches on Saddle Peak and Truman Gulch; Natural below Maid of the Mist; Small Natural Avalanches north of Bridger; Skier triggered slide from cornice, Cooke |
AVALANCHE WARNING for Bridgers |
| Thursday 2/4/21 |  |
0.3/5" Brackett 0.5/6" Shower 0.2/3" Lone |
0.1/1" Carrot 0.3/3" Madison 0.4/5" Fisher |
15-20 G 40 | W-NW | ||
| Wednesday 2/3/21 |  |
0.5/6" Brackett 0.5/6" Shower 0.3/5" Timber |
0.3/3" Carrot 0.4/4" Madison 0.3/3" Fisher |
10-20 G40 | W-SW | Small natural slide on Saddle Peak | |
| Tuesday 2/2/21 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G45 | SW | Several large whumpfs on way to Fawn Pass, YNP | |
| Monday 2/1/21 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G40 5-10 G30 West & Cooke |
S-W | Snowmobiler triggered avalanche, Lionhead | |
| Sunday 1/31/21 |  |
0.3/3" Bridger 0.2/3" Shower 0.3/4" Lookout |
0.2/3" Carrot 0.1/4" Madison 0.3/4" Fisher |
10-15 G15-25 |
W-SW | ||
| Saturday 1/30/21 |  |
0.4/4" Brackett 0.3/4" Shower 0.3/6" Timber |
0.9/9" Carrot 0.7/7" Madison 0.3/4" Fisher |
5-15 G15-20 |
SW-W-NW | Natural Avalanches in Beehive; Large natural sluffs in Flanders/Hyalite; Widespread, large collapses shaking trees in S. Gallatin; Skiers remote triggered very large slide Ernest Miller Ridge; Natural avalanche in Maid of the Mist; Avalanche on Yellow Mountain ; Natural avalanches near Cooke City; many small remote triggered slabs near Cooke; Natural and snowmobile triggered avalanches in Taylor Fork; Natural avalanche on Woodward Mountain; Natural Avalanche, Fin; Major avalanche cycle; Meldrum Peak Natural Avalanche |
AVALANCHE WARNING for the Centennials |
| Friday 1/29/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.7/7" Carrot 0.6/6" Madison 0.2/2" Fisher |
10-20 G50 | S-W | Skier triggered slides N. Madison; Whumphing and natural avalanches at Taylor Fork |
AVALANCHE WARNING for the Centennials |
| Thursday 1/28/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.5/10" Carrot 0.3/6" Madison 0.1/2" Fisher |
15-30 G50 | S-SW | Large Collapses in S. Gallatin | @0500 |
| Wednesday 1/27/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.1/1" Madison 0.0/0" Fisher |
10-25 G30 G50 Hyalite |
SW | ||
| Tuesday 1/26/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G15 G40 Bridger Range |
E-SW | East winds are shifting back to the southwest |
|
| Monday 1/25/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.1/1" Madison 0.0/0" Fisher |
5-10 G15 | SW-SE | ||
| Sunday 1/24/21 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-20 G15-25 | W-SW | Snowmobile Triggered Avalanche, Sunlight Basin | |
| Saturday 1/23/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/1" Lookout |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G18 | W-NW-NE | Snowmobiler caught and uninjured in avalanche, Cooke City; Loose Dry Avalanches on the Throne |
|
| Friday 1/22/21 |  |
0.2/2" Brackett 0.1/1" Lick Creek 0.1/1" Lone |
0.1/2" Carrot 0.2/2" Madison 0.2/3" Fisher |
5-15 | SW (NW in Cooke) | Snowmobile triggered on Sheep Mtn, Cooke; Natural Avalanche Ernie Miller Ridge |
|
| Thursday 1/21/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Lionhead 0.0/0" Fisher |
10-20 G30 | SW-NW | ||
| Wednesday 1/20/21 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G50 G60 Bridger |
SW-NW | Natural avalanches near Maid of the Mist; Natural avalanches near Lionhead Ridge |
|
| Tuesday 1/19/21 |  |
0.3/3" Bridger 0.2/3" Shower 0.2/2" Lobo |
0.1/1" Carrot 0.1/1" Madison 0.2/3" Fisher |
5-15 G30 G40 Cooke |
W-NE | Loose Snow and Slab Avalanche, Mt Blackmore; Skier and Snowmobile Triggered Avalanches, Cooke City; Snowmobile Triggered Avalanche, Sheep Creek; Cracking and Collapsing, Cooke City; Snowmobiler triggered avalanche in Tepee Basin |
|
| Monday 1/18/21 |  |
0.3/1" Brackett 0.5/5" Shower 0.1/1" Lone |
0.1/1" Carrot 0.1/2" Madison 0.4/4" Fisher |
15-25 G25-60 |
NW | Snowmobile Triggered Avalanche, Second Yellowmule | @0400 |
| Sunday 1/17/21 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G30-40 |
W-NW | ||
| Saturday 1/16/21 |  |
0.5/4" Alpine 0.3/3" Shower 0.2/2" Lone |
0.2/2" Carrot 0.2/2" Madison 0.1/1" Fisher |
10-15 G25-30 |
NW-W | Ski cut small slide on surface hoar; Shooting cracks near Cooke City |
|
| Friday 1/15/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
20-25 G35 (50 Bridger) | W-NW | Collapse/Crack on Scotch Bonnet | |
| Thursday 1/14/21 |  |
0.2/2" Brackett 0.2/2" Shower 0.2/2" Timber |
0.3/3" Carrot 0.4/4" Lionhead 0.9/10" Fisher |
15-20 G40-50 | W | ||
| Wednesday 1/13/21 |  |
0.1/1" Brackett 0.1/1" Shower 0.2/3" Timber |
0.4/5" Carrot 0.3/3" Madison 0.3/3" Fisher |
25-30 G50 5-10 G25 West and Cooke |
SW | Lionhead Ridge natural avalanche; Near Mt. Wilson -- shooting cracks, whumpfing; Natural avalanches on West side of Bridgers; Collapsing, cacking, whumpfs in S. Gallatin; Natural avalanche south of Cooke; Small, natural avalanches outside Cooke City; Natural Avalanche in the S. Gallatin Range; Natural Avalanches, Taylor Fork; Natural in Divide Basin |
W-NW wind hitting ~80+ mph across forecast area. Buried a surface hoar layer. |
| Tuesday 1/12/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G40 5 G15 West and Cooke |
SW-NW | ||
| Monday 1/11/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G25-30 | NW-SW | Football Field Avalanche | |
| Sunday 1/10/21 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G15-25 | W-SW | Widespread Collapsing on Ernest Miller Ridge; Whumphing and old avalanche at Bacon Rind; Couple large collapses in Hyalite Creek |
|
| Saturday 1/9/21 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20 Bridgers |
NE-N W in Bridgers |
Skier triggered large slide on Flanders Mountain; Collapses and Whumph in N. Madison; Cracking and Collapsing at Hebgen Lake; Avalanche in Goose Crk near Cooke; Sledder triggered slide and 2 naturals in Centennials; collapse at Blackmore; Natural avalanche and wide cracks at Buck Ridge; Skiers triggered small slab on lower Republic Mountain; Skier triggered slide north of Cooke; Small natural south of Cooke; Many snowmobile triggered slides at Lionhead |
|
| Friday 1/8/21 |  |
0.6/7" Bridger 0.3/3" Shower 0.2/4" Timber |
0.1/1" Carrot 0.1/1" Madison 0.1/1" Fisher |
5-15 G25 Bridgers |
W-NW | Skier triggered, caught and injured on The Fin; Many whumpfs/Collapses in N. Madison; Remote triggered slide Cinnamon Creek; Skier Triggered Avalanche near Meridian Peak; Remotely triggered cracking in Bridgers |
|
| Thursday 1/7/21 |  |
0.1/1" Bridger 0.0/0" Shower 0.1/2" Timber |
0.1/1" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G30 | SW | Natural avalanche near Fairy Lake; Snowmobile triggered slides (2) on Buck Ridge; Rider triggered large, wide slide on Buck Ridge; Small Natural Avalanche NW of Cooke |
|
| Wednesday 1/6/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.1/1" Madison 0.1/1" Fisher |
15-20 G35 | W-SW | Intentional cornice drop triggered a soft slab, Republic Mtn; Cracking and small natural slides in S. Gallatin; Skier triggered avalanche in Bradley's Meadow; Skier remotely triggered avalanche in N. Madisons; Cracking and collapsing around Lionhead; Whumphing and cracking, West side Bridger; Remotely triggered avalanche on Bald Mountain, Jardine, MT; Many natural avalanches north of Cooke City; Snowmobiler triggered avalanche on Buck Ridge; Many (6) natural avalanches near Buck Ridge |
|
| Tuesday 1/5/21 |  |
0.8/9" Brackett 0.4/4" Shower 0.6/9" Timber |
0.7/8" Carrot 0.7/8" Madison 0.6/6" Fisher |
15-30 G50 | W-S | Natural Avalanches on Fan Mountain; Natural avalanche on Saddle Peak; Avalanches triggered by groomer near Jardine; Natural avalanches along Lionhead Ridge; Natural Avalanche in Argentina Bowl; Collapse and crack in Lick Creek; Skier triggered avalanche on Henderson Mtn; Scotch Bonnet and Sheep Basin/Wolverine Peak natural avalanches; Collapses, cracking and a natural avalanche on Mineral Mountain; Yellowstone National park (Chrystal Creek); cornice collapse and whumpfs; Human triggered avalanche in AB wilderness near Paradise Valley; Many natural avalanches seen in backcountry around Big Sky; Small natural avalanche on Buck Ridge; Small natural avalanches along Gallatin River; Upper Sage Creek Ridgeline; Natural avalanches on Middle Basin Peak |
AVALANCHE WARNING for Bridgers, S. Gallatin, S. Madison, Lionhead and Centennials. |
| Monday 1/4/21 |  |
0.1/1" Alpine 0.1/2" Shower 0.2/4" Timber |
0.2/2" Carrot 0.3/3" Madison 0.3/3" Fisher |
15-35 G30-40 |
W-SW | Cornice triggered avalanche in Divide Basin, Hyalite | |
| Sunday 1/3/21 |  |
0.2/2" Alpine 0.0/0" Shower 0.1/1" Lone |
0.3/3" Carrot 0.2/2" Madison 0.2/3" Fisher |
15-25 G30-50 |
SSW-W | Natural cornice fall, collapses, Mt Blackmore ; Ice Climber triggered avalanche in Avalanche Gulch, Hyalite; Propagating cracks on wind drifts in Fisher Creek; Widespread whumpfing/collapsing and cracking above Hebgen Lake; Lots of collapsing and cracking at Bacon Rind |
|
| Saturday 1/2/21 |  |
0.1/1" Brackett 0.1/1" Shower 0.2/2" Timber |
0.2/2" Carrot 0.1/1" Madison 0.1/1" Fisher |
10-20 G20-25 | S-W | Skier remote triggered in YNP near Cooke; Large Collapses in YNP, S. Gallatin; Widespread whumphing near Hebgen Lake; Skier triggered 2 wind slabs on Abiathar; large collapse on Flanders Peak |
|
| Friday 1/1/21 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.1/1" Carrot 0.1/3" Madison 0.0/0" Fisher |
10-15 G15-25 25 G40 in Bridgers |
SW-NW | Skier triggered large slide on Saddle Peak; Shooting Crack and Whumpfs in Bear Basin |
|
| Thursday 12/31/20 |  |
0.6/5" Brackett 0.3/3" Shower 0.2/2" Timber |
0.2/2" Carrot 0.2/2" Madison 0.1/1" Fisher |
15-20 G35 | W-SW | ||
| Wednesday 12/30/20 |  |
0.0/0" Bridger 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G30 | W | Crown Butte, Snowmobile triggered Avalanche | |
| Tuesday 12/29/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 | W-NW | ||
| Monday 12/28/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.0/0" Carrot 0.0/0" Lionhead 0.0/0" Fisher |
5-15 G 25 | W-N | Skier Triggered Avalanche Mount Blackmore - East Face; Loose Snow Avalanche - Flanders; Numerous Whumphs in the Taylor Fork; Monster Whumphs at Bacon Rind |
|
| Sunday 12/27/20 |  |
0.5/7" Alpine 0.5/6" Shower 0.5/8" Timber |
0.4/4" Carrot 0.3/3" Madison 0.3/5" Fisher |
5-15 G25 | W-NW | Collapse near Cooke below ice climb; Whumphs in Beehive; Three sledder triggered slides off Buck Ridge |
|
| Saturday 12/26/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G35-50 |
SW | Specimen Creek Natural Avalanche | |
| Friday 12/25/20 |  |
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 G20-40 |
S-W | Skier Triggered Avalanche - Football Field; Small natural activity in Beehive; Large collapse at Maid of the Mist |
|
| Thursday 12/24/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
20-40 |
W-N | Natural avalanches on Bridger Pk; Collapses near Cooke City; Naturals in YNP |
|
| Wednesday 12/23/20 |  |
0.5/6" Brackett 0.7/7" Shower 0.4/5" Timber |
0.2/2" Carrot 0.1/1" Madison 0.4/4" Fisher |
10-30 | W-N | Numerous wind slab avalanches around Cooke City | |
| Tuesday 12/22/20 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.1/1" Carrot 0.2/2" Madison 1.0/10" Fisher |
15-30 G70 | S-W | Natural Avalanches Barronette Peak; Natural Avalanche Mineral Mountain; Natural Avalanche Mt. Republic; Skier triggered avalanche NE of Cooke City; Natural and Skier triggered slide, YNP; Natural Avalanche Divide Cirque |
|
| Monday 12/21/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lobo |
0.1/1" Carrot 0.3/3" Madison 0.4/6" Fisher |
15-30 G75 (Flanders) | W-SW | Colter Pass Natural Avalanche | |
| Sunday 12/20/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.1/1" Timber |
0.2/2" Carrot 0.2/2" Madison 0.3/4" Fisher |
20-35 G40-70 | W-SW | Skier triggered large cornice, Beehive; West facing slope, Hyalite canyon ; Astral Lake, Natural Avalanche; Two skier triggered slides at Lionhead; Natural Wind Slab - Overlook Mountain |
|
| Saturday 12/19/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-25 G25-50 Stronger in N |
SW-W | Small natural on Hyalite Peak ; Small crowns on Barronette; Natural Avalanche, Sunlight Basin; Natural Wind Slab Elephant Mountain |
|
| Friday 12/18/20 |  |
0.2/2" Brackett 0.2/2" Shower 0.5/7" Timber |
0.5/5" Carrot 0.3/3" Madison 0.3/3" Fisher |
15-20 G30-40 | W-NW | Small road cut slides near West Yellowstone; Snowplow triggered cut bank slide near Big Sky |
|
| Thursday 12/17/20 |  |
0.1/1" Brackett 0.0/0" Shower 0.1/1" Lone |
0.3/3" Carrot 0.2/2" Madison 0.3/4" Fisher |
20-35 G65@Hyalite | W-SW | Shooting cracks at Telemark Meadows; Snowmachine triggered wind slabs near Cooke |
|
| Wednesday 12/16/20 |  |
0.1/2" Brackett 0.2/3" Shower 0.1/2" Lone |
0.3/5" Carrot 0.4/6" Madison 0.2/4" Fisher |
15-30 G55 1-10 G25 Cooke |
W-SW | Small natural avalanche at Bighorn/Fawn Pass loop; Small, intentionally triggered slide; Avalanches west of Cooke |
|
| Tuesday 12/15/20 |  |
0.0/0" Brackett 0.2/3" Shower 0.1/2" Lobo |
0.1/2" Carrot 0.1/2" Madison 0.0/0" Fisher |
5-15 G 20-40 | SW-NW | ||
| Monday 12/14/20 |  |
0.1/1" Alpine 0.1/1" Shower 0.2/3" Lone |
0.1/1" Carrot 0.2/2" Madison 0.1/1" Fisher |
5-15 G15-30 | W-SW | ||
| Sunday 12/13/20 |  |
0.1/3" Brackett 0.0/0" Shower 0.0/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
5-15 G25-30 | W-SW | Natural Loose Snow Avalanche - Divide Cirque; Natural Loose Snow Avalanches - Beehive Basin |
|
| Saturday 12/12/20 |  |
0.2/3" Bridger 0.1/4" Shower 0.1/2" Timber |
0.1/2" Carrot 0.1/4" Lionhead 0.1/2" Fisher |
5-10 G10-20 | SW-NW | Cracking drift in Bridgers; Small dry loose Bridgers, Beehive, Cooke City |
|
| Friday 12/11/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/1" Fisher |
5-10 G20 20 G30 in Bridger |
S-NE | |||
| Thursday 12/10/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Lionhead 0.0/0" Fisher |
5-10 | W-NW | Full depth facet sluffs in S. Madison | ||
| Wednesday 12/9/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Lionhead 0.0/0" Fisher |
15-30 G45 | W-SW | |||
| Tuesday 12/8/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20-40 | W-SW NW-Cooke |
|||
| Monday 12/7/20 | 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 G25-40 | SW-W-NW | |||
| Sunday 12/6/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-20 G30 | W-SW | |||
| Saturday 12/5/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 | W-SW-S-E-NE-N-NW | |||
| Friday 12/4/20 |  |
0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G25 20-30 G40 Bridgers |
W-N | ||
| Thursday 12/3/20 | 0.0/0" Alpine 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
10-20 G15-25 | W N Cooke City |
Natural wind slab at Bridger; Small wind slabs near Cooke |
||
| Wednesday 12/2/20 | 0.0/0" Brackett 0.1/1" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
5-15 G20-30 | NE-E W in Bridgers |
Skier triggered avalanche at Bridger Bowl | ||
| Tuesday 12/1/20 | 0.4/6" Bridger 0.2/3" Shower 0.2/2" Lone |
0.2/2" Carrot 0.2/2" Madison 0.2/2" Fisher |
15-20 G40-50 | W | Small Avalanches in Bridger Range | ||
| Monday 11/30/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-25 G30-50 | SW-W | Facet sluffing in Beehive/Middle Basins | ||
| Sunday 11/29/20 | 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 G29 | SW-NW | |||
| Saturday 11/28/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G30 | W-SW | Natural slab avalanche near Cooke | ||
| Friday 11/27/20 |  |
0.1/0" Brackett 0.0/0" Shower 0.1/0" Lone |
0.1/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
15-25 G25-30 G50 Bridger |
W-SW | ||
| Thursday 11/26/20 |  |
0.4/4" Brackett 0.2/3" Shower 0.3/7" Timber |
0.3/4" Carrot 0.2/4" Madison 0.3/5" Fisher |
10-15 G30-45 | SW-NW | ||
| Wednesday 11/25/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.1/1" Carrot 0.1/1" Madison 0.1/2" Fisher |
10-20 G 25-45 | W-SW | |||
| Tuesday 11/24/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20 Bridgers G40 | W-NW | |||
| Monday 11/23/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 G20-30 | SW-W | |||
| Sunday 11/22/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-25 G25-45 | SW-NW | |||
| Saturday 11/21/20 | 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 G20-35 | W-NW | |||
| Friday 11/20/20 | 0.1/2" Brackett 0.2/2" Shower 0.1/1" Timber |
0.1/1" Carrot 0.2/1" Madison 0.3/3" Fisher |
10-15 G30-40 | SW-NW | |||
| Thursday 11/19/20 |  |
0.6/4" Alpine 0.2/2" Shower 0.3/3" Lone |
0.7/3" Carrot 0.8/6" Madison 0.8/6" Fisher |
15-20 G35-50 | W-SW | ||
| Wednesday 11/18/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G45-60 | S-SW | |||
| Tuesday 11/17/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.2/2" Fisher |
10-20 G30-45 | SW-W | |||
| Monday 11/16/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.1/1" Madison 0.2/2" Fisher |
15-20 G35-60 | SW-W | |||
| Sunday 11/15/20 | 0.0/0" Brackett 0.0/0" Shower 0.1/1" Lone |
0.2/2" Carrot 0.3/3" Madison 0.2/2" Fisher |
15-25 G30-50 | W-SW | |||
| Saturday 11/14/20 |  |
0.2/1" Brackett 0.2/2" Shower 0.4/4" Timber |
1.2/12" Carrot 1.0/10" Madison 0.8/9" Fisher |
20-30 G45-75 |
W | ||
| Friday 11/13/20 |  |
0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-30 G30-50 | SW-W | ||
| Thursday 11/12/20 | 0.2/3" Brackett 0.3/4" Shower 0.1/2" Lone |
0.0/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
15-30 G50 Bridgers |
W | Small skier triggered slides in Northern Bridgers | ||
| Wednesday 11/11/20 | 0.2/3" Brackett 0.1/1" Shower 0.1/1" Lone |
0.1/1" Carrot 0.2/3" Madison 0.2/2" Fisher |
10-20 G35-50 | SW-W | |||
| Tuesday 11/10/20 | 0.1/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-20 G35-55 | SW-NW | |||
| Monday 11/9/20 |  |
0.1/2" Alpine 0.1/2" Shower 0.2/2" Lone |
0.1/1" Carrot 0.3/4" Madison 0.3/4" Fisher |
10-15 G25 | E-S-SW-W W-NW Cooke |
||
| Sunday 11/8/20 |  |
0.5/4" Alpine 0.5/3" Shower 0.4/3" Lone |
0.4/3" Carrot 0.3/3" Madison 0.9/9" Fisher |
5-20 G25-45 |
ENE-E-SE-S |
||
| Saturday 11/7/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G50 | S-SW | |||
| Friday 11/6/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-35 G50 | SW-W | |||
| Thursday 11/5/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G30-50 | W-SW NW-Cooke |
|||
| Wednesday 11/4/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G45 | W-SW | |||
| Tuesday 11/3/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G30 | W-SW | |||
| Monday 11/2/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
10-15 G25 | SW-W | |||
| Sunday 11/1/20 | 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 G30 | W-SW NW-Cooke |
|||
| Saturday 10/31/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G30-60 | W-SW | Natural wind slab avalanches near Cooke | ||
| Friday 10/30/20 | 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 G40 5-15 G20 Cooke |
W-SW SW-N Cooke |
|||
| Thursday 10/29/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G45 5-15 G25 Cooke City |
W W-NW Cooke City |
|||
| Wednesday 10/28/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G40 G50 Bridger |
W-NW | |||
| Tuesday 10/27/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-30 30-50 Bridger |
W-SW | |||
| Monday 10/26/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
15-25 G35 | W-NW | Skier triggered wind slab at Bridger | ||
| Sunday 10/25/20 | 0.3/4" Brackett 0.2/3" Shower 0.1/1" Timber |
0.3/3" Carrot 0.2/2" Madison 0.3/3" Fisher |
10-20 35 G60 Bridger |
SE-NE | |||
| Saturday 10/24/20 | 0.7/6" Alpine 0.4/3" Shower 0.3/3" Timber |
0.6/5" Carrot 0.4/4" Madison 0.7/6" Fisher |
10-25 G45 |
W-SW | Cracking wind drifts in Cooke City | ||
| Friday 10/23/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.0/0" Fisher |
5-15 | WSW NW-Cooke |
Avalanches and cracking in Frazier Basin; Small avalanche on Sphinx Mountain; Loose snow avalanches on Blackmore |
||
| Thursday 10/22/20 | 0.4/8" Alpine 0.3/3" Shower 0.0/2" Timber |
0.0/0" Carrot 0.5/3" Madison 0.8/4" Fisher |
5-15 G30 | W-NW | Widespread dry loose in Hyalite | ||
| Wednesday 10/21/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.9/6" Fisher |
15-20 G35-40 | NW-W | |||
| Tuesday 10/20/20 | 0.2/2" Brackett 0.7/5" Shower 0.0/0" Lone |
0.0/0" Carrot 0.0/0" Madison 0.8/6" Fisher |
15-20 G 40-50 | SW-NW | @0700 |
||
| Monday 10/19/20 | 1.1/5" Brackett 1.1/5" Shower 0.3/3" Lone |
0.7/4" Carrot 0.2/1" Madison 1.3/9" Fisher |
10-20 G40-50 | NW-W | Natural avalanches near Fairy Lake | ||
| Sunday 10/18/20 | 0.4/3" Brackett 0.4/3" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.5/4" Fisher |
15-30 G50 | NW-W | |||
| Saturday 10/17/20 | 0.2/0" Brackett 0.5/0" Shower 0.2/0" Lone |
0.0/0" Carrot 0.0/0" Lionhead 1.0/4" Fisher |
20-30 G50 | W | Precip mostly rain overnight 10/16. Temps dropping and switching to snow on morning of 10/17. |
||
| Friday 10/16/20 | 0.2/2" Brackett 0.3/3" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.2/2" Fisher |
15-25 G40 |
W NW Cooke |
@0600 |
||
| Thursday 10/15/20 | 0.2/3" Brackett 0.5/5" Shower 0.1/1" Lone |
0.0/0" Carrot 0.0/0" Madison 0.2/2" Fisher |
10-20 G30-40 | W-NW | @0600 |
||
| Wednesday 10/14/20 | 0.9/0" Brackett 0.7/0" Shower 0.5/0" Timber |
0.2/0" Carrot 0.2/0" Madison 1.6/3" Fisher |
30-40 G50-70 G80 Hyalite |
W | Precip mostly rain evening 10/13, some wet snow high near Cooke. |
||
| Tuesday 10/13/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.1/1" Fisher |
15-30 | W-SW | |||
| Monday 10/12/20 | 0.0/0" Brackett 0.0/0" Shower 0.0/0" Timber |
0.0/0" Carrot 0.0/0" Madison 0.2/2" Fisher |
20-50 | W-SW | |||
| Sunday 10/11/20 | 0.6/0" Brackett 0.7/1" Shower 0.6/0" Lone |
0.6/1" Carrot 0.7/0" Madison 0.7/6" Fisher |
@1pm: Measurements are Preciptation (inches) instead of SWE. Lower elevations had rain, and snow depths varied from 0-6". |