Weather and Avalanche Log

Date Map Thumb Northern Areas Southern Areas Wind Speed Wind Direction Avalanche Activity Notes
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
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
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
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
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.