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 Northern Areas Southern Areas Wind Speed Wind Direction Avalanche Activity Notes
Tuesday 11/19/19 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 G35 SW
Monday 11/18/19 0.3/0" Brackett
0.3/0" Shower
0.3/1" Timber
0.2/2" Carrot
0.1/1" Madison
0.4/4" Fisher
15-30 W-SW

Rain to ~9,000 feet in northern ranges.

Sunday 11/17/19 0.0/0" Brackett
0.0/0" Shower
0.1/1" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
15-25
G48-Bridger
W
NW-Cooke
Saturday 11/16/19 0.0/0" Brackett
0.5/4" Shower
0.4/3" Timber
0.1/1" Carrot
0.0/0" Madison
0.1/1" Fisher
10-20 G40 W-SW Rivers of loose snow avalanches in Flanders Drainage
Friday 11/15/19 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 W
Thursday 11/14/19 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-SW
NW Cooke City
Small wet avalanche in Beehive
Wednesday 11/13/19 0.2/2" Brackett
0.3/5" Shower
0.0/0" Timber
0.1/1" Carrot
0.0/0" Madison
0.2/2" Fisher
20-30 G 35 W
Tuesday 11/12/19 0.0/0" Alpine
0.0/0" Shower
0.0/0" Lone
0.2/2" Carrot
0.1/1" Madison
0.2/2" Fisher
15-20 G25-35 W-SW Ice climber triggered and caught in avalanche in Upper Mill Creek, Absarokas
Monday 11/11/19 0.3/4" Alpine
0.3/3" Shower
0.2/2" Lone
0.0/0" Carrot
0.0/0" Madison
0.2/2" Fisher
10-16 G20 W-NW Cracking Wind Slabs at Bridger
Sunday 11/10/19 0.1/0" Brackett
0.1/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-20 G40 W Wind Slab avalanche on Mt. Blackmore

Rain to 8-8,500' this morning

Saturday 11/9/19 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
20-25 G40 W-SW
Friday 11/8/19 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 G35 W-SW
NW Cooke City
Thursday 11/7/19 0.1/1" Bridger
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-15 G30 SW-W
N Cooke City
Wednesday 11/6/19 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 W-NW
NE Bridgers
Tuesday 11/5/19 0.4/3" Brackett
0.3/2" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.2/2" Fisher
15-25 G30-40 W Wet loose at Bridger
Monday 11/4/19 0.0/0" Alpine
0.3/3" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.2/2" Fisher
10-15
G25-35
W-SW
NW Cooke
Sunday 11/3/19 0.0/0" Brackett
0.1/1" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
15-25 G35
G51 Hyalite
W
N Cooke
Saturday 11/2/19 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 G30
G44 Bridger
W
NW Cooke
Collapsing of a wind slab in Hyalite;
Skier triggered small wind slabs in Beehive;
Cornice triggered slab in Hyalite
Friday 11/1/19 0.3/5" Bridger
0.4/5" Shower
0.2/4" Lobo
0.2/3" Carrot
0.1/1" Madison
0.1/1" Fisher
10-20 G35 W-NW Natural wind slabs and dry loose avalanches Mt. Blackmore
Thursday 10/31/19 0.0/0" Brackett
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
20-30 G45 W
Wednesday 10/30/19 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
20-35 in N
10-15 in S
W Shooting Cracks at Bridger Bowl;
Small wind slab triggered in Hyalite;
Natural avalanches north of Bridger

@0600; Lows 0F to -4F

Tuesday 10/29/19 0.5/14" Alpine
0.2/2" Shower
0.2/3" Timber
0.4/4" Carrot
0.3/3" Madison
0.2/2" Fisher
5-15 G35 N-NE Several small skier triggered/natural slides at Bridger;
Natural avalanches in Hyalite

BBSP Measured 14" at Alpine

Flanders Temp -20 F

Monday 10/28/19 0.1/1" Bridger
0.0/0" Shower
0.1/1" Lobo
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-15 G35 W-NW Natural and skier triggered new snow/wind slabs at Bridger

@0600

Sunday 10/27/19 0.3/5" Brackett
0.5/8" Shower
0.3/5" Lobo
0.3/3" Carrot
0.2/3" Madison
0.4/5" Fisher
5-10 G15-20 NW-N

@0500

Saturday 10/26/19 0.2/2" Brackett
0.1/1" Shower
0.1/1" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-15 G30-40 NW-N
SW in Cooke
Small avalanches at Bridger

@0700

Friday 10/25/19 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 G30-40 W-SW
NW Cooke
Avalanches in Taylor Fork;
Small Wind Slabs on Mt Blackmore

@0500

Thursday 10/24/19 0.2/2" Bridger
0.2/3" Shower
0.1/1" Timber
0.2/2" Carrot
0.0/0" Madison
0.2/2" Fisher
5-10 G20 NW-SW

@0700

Wednesday 10/23/19 0.5/1" Brackett
0.6/3" Shower
0.2/2" Timber
0.2/2" Carrot
0.2/1" Madison
0.6/6" Fisher
20-30 G70 W

@0700

Tuesday 10/22/19 0.0/0" Alpine
0.1/1" Shower
0.1/1" Timber
0.3/3" Carrot
0.1/1" Madison
0.2/3" Fisher
10-20 G40 W Cornice Collapse-Saddle Peak

@0700

Monday 10/21/19 0.2/3" Brackett
0.4/4" Shower
0.2/2" Lone
0.1/1" Carrot
0.1/1" Madison
0.2/2" Fisher
10-15 G20-30 W
Sunday 10/20/19 1.2/14" Bridger
1.0/11" Shower
0.4/8" Timber
0.5/5" Carrot
0.7/6" Madison
0.6/7" Fisher
15-20 G30 W-NW Small avalanche in Hyalite

@0700

Saturday 10/19/19 0.0/0" Alpine
0.0/0" Shower
0.1/1" Timber
0.1/1" Carrot
0.1/1" Madison
0.0/0" Fisher
15-25 G45 W-SW

@0700

Friday 10/18/19 0.2/2" Alpine
0.2/2" Shower
0.1/2" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
15-25 G35 W-SW

@0700

Thursday 10/17/19 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 W-SW

Issued Early Season Bulletin

Wednesday 10/16/19 0.0/0" Alpine
0.0/0" Shower
0.0/0" Timber
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
15-30 W
Tuesday 10/15/19 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 W-SW
Monday 10/14/19 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 G40 WSW
Sunday 10/13/19 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
5-20 W-SW
Saturday 10/12/19 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
G30 Bridger
WSW
NW Cooke
Friday 10/11/19 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
G30 Bridger
W-SW
Thursday 10/10/19 0.7/14" Brackett
0.2/2" Shower
0.2/2" Lone
0.4/9" Carrot
0.3/5" Madison
0.1/1" Fisher
5-15 N-NE

Issued Early Season Bulletin

Wednesday 10/9/19 0.2/5" Alpine
0.1/2" Shower
0.1/2" Timber
0.3/3" Carrot
0.4/5" Madison
0.2/2" Fisher
5-20
G30 Bridger
NE Wind slab and dry loose in Hyalite
Tuesday 10/8/19 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 G30-40 W-SW
Monday 10/7/19 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 G25-30 W-SW
Sunday 10/6/19 0.3/3" Alpine
0.1/1" Shower
0.1/1" Lone
0.2/2" Carrot
0.1/1" Madison
0.2/2" Fisher
15-25 G30-40 W-SW
NW (Cooke)
Saturday 10/5/19 0.1/1" Brackett
0.8/8" Shower
0.9/10" Lone
0.2/2" Carrot
0.2/2" Madison
0.4/4" Fisher
15-20 G35 WSW
NW (Cooke)
Whumph on The Sphinx
Friday 10/4/19 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 WSW
Thursday 10/3/19 0.0/0" Brackett
0.1/1" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-20 G30 SW

Issued Early Season Bulletin

Wednesday 10/2/19 0.0/0" Brackett
0.1/1" Shower
0.2/3" Lone
0.1/1" Carrot
0.2/2" Madison
0.4/4" Fisher
5-15 SE-SW
Tuesday 10/1/19 0.1/2" Alpine
0.1/1" Shower
0.2/2" Lone
0.2/2" Carrot
0.2/2" Madison
0.2/2" Fisher
5-15 SW-SE
Monday 9/30/19 0.1/1" Brackett
0.3/3" Shower
0.1/1" Lone
0.3/3" Carrot
0.3/3" Madison
0.2/2" Fisher
10-20 WSW
Sunday 9/29/19 0.3/3" Brackett
0.1/2" Shower
0.1/1" Lone
0.2/2" Carrot
0.3/1" Madison
0.6/6" Fisher
5-15 E-SE Small wind slab near Fairy Lake
Saturday 9/28/19 0.2/1" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.1/1" Fisher
5-25 NE-SE
Friday 9/27/19 0.2/0" Brackett
0.1/1" Shower
0.4/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.3/0" Fisher
5-15 W

Precip: Rain/snow mix

Thursday 9/26/19 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
10-30
G50 Hyalite
WSW

Issued Bulletin

Wednesday 9/25/19 0.0/0" Brackett
0.0/0" Shower
0.0/0" Lone
0.0/0" Carrot
0.0/0" Madison
0.0/0" Fisher
15-35
(Cooke)
WNW
Tuesday 9/24/19 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 (Cooke) SW
Monday 9/23/19 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 (Cooke) W-SW Wet Slides across Pine Creek trail
Sunday 9/22/19 0.1/1" Brackett
0.2/2" Shower
0.2/1" Lone
0.1/1" Carrot
0.0/0" Madison
0.2/2" Fisher
5-20 (Cooke) W
Saturday 9/21/19 0.1/1" Brackett
1.3/9" Shower
0.4/2" Lone
0.5/5" Carrot
0.3/2" Madison
0.7/5" Fisher
5-10 (Cooke) NW

FIRST SNOW in the mountains