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Wyoming, Bighorn Mountains West

Areal Flood Warning

Statement as of 1:08 PM MST on February 23, 2017

Expires 3:30 PM EST on February 24, 2017


The National Weather Service in Riverton has extended the

* Flood Warning for...
an ice jam in...
central Big Horn County in central Wyoming...

* until 130 PM MST Friday

* Big Horn emergency management reported 2 ice jams along the Big
Horn river that may still affect homes and property. One ice jam
is between basin and Greybull and the other is downstream of
Greybull near the Sheep Mountain area. Only minor flooding has
been reported with these ice jams.

* Greybull emergency management reported that 2 ice jams are still
located upstream and downstream of the town. The river has
continued to recede and is within it banks. Water is running below
the jams. The Main Channel at the Highway bridge is open with free
flowing water.

* Colder temperatures in the next few days should hinder any
significant movement of ice along the Big Horn river from basin to
Greybull.

Precautionary/preparedness actions...

River ice is very unpredictable, and may move and jam with little
notice. Any ice jam can cause flooding, as the ice dams the river,
causing rapid increases in river levels in a short period of time.
People living near the Big Horn river should monitor the situation
closely and be ready to move to higher ground if flooding occurs.


Lat... Lon 4456 10804 4439 10799 4439 10807 4455 10813


Fahey


Public Information Statement

Statement as of 7:20 PM MST on February 23, 2017

Expires 2:00 AM EST on February 24, 2017


... Preliminary storm information...

The following are snowfall reports received between 7 am and 7 PM
today, and peak wind gusts over the last 24 hours since 7 PM
Wednesday.

Observations are collected from a variety of sources with varying
equipment and exposures. Not all data listed are considered official.

Location snowfall

Big Horn County...
Bald Mountain snotel... 2 inches.
Bone Springs Divide snotel... 1 inch.

Fremont County...
Townsend creek snotel... 29 inches.
Deer Park snotel... 25 inches.
Hobbs Park snotel... 25 inches.
Cold Springs snotel... 24 inches.
St. Lawrence alt snotel... 23 inches.
South Pass snotel... 21 inches.
Lander Airport... 11.2 inches.
Little warm snotel... 11 inches.
Atlantic City... 11 inches.
Hudson... 9 inches.
2 W Riverton... 10 inches.
Riverton Airport... 7.3 inches.
Jeffrey City... 6 inches.
Kinnear... 5 inches.
DuBois... 1 inch.
Burris... 0.2 inches.

Hot Springs County...
5 se Thermopolis... 6.6 inches.
Owl Creek snotel... 4 inches.
Thermopolis... 4 inches.

Johnson County...
4 SSW Buffalo... 3 inches.
Hansen Sawmill snotel... 3 inches.
3 ESE Buffalo... 2.5 inches.
Soldier Park snotel... 2 inches.
Little goose snotel... 2 inches.
Buffalo... 1 inch.
Cloud Peak Reservoir snotel... 1 inch.

Lincoln County...
Kelley Ranger station snotel... 9 inches.
Willow Creek snotel... 8 inches.
Hams Fork snotel... 6 inches.
Indian Creek snotel... 6 inches.
Spring Creek Divide snotel... 6 inches.
Afton... 6 inches.
Star Valley ranch... 5.5 inches.
Salt River Summit snotel... 5 inches.
Cottonwood Creek snotel... 5 inches.
5 SSE Smoot... 4 inches.
3 S Fontenelle dam... 4 inches.
2 se Thayne... 2 inches.
3 se Bedford... 2 inches.
Blind bull Summit snotel... 2 inches.

Natrona County...
Casper Mountain snotel... 17 inches.
Casper... 16 inches.
2 E Evansville... 12 inches.
Casper Mountain... 12 inches.
Reno Hill snotel... 10 inches.
Casper Airport... 9.1 inches.
Powder River... 2 inches.
Grave Spring snotel... 2 inches.
Midwest... 1 inch.

Park County...
Timber Creek snotel... 7 inches.
Marquette snotel... 7 inches.
1 NW Meeteetse... 5 inches.
3 NE sunshine... 4 inches.
Kirwin snotel... 4 inches.
Wolverine snotel... 1 inch.
2 WSW Cody... 1 inch.
Cody... 0.5 to 1 inch.

Sublette County...
Snider Basin snotel... 5 inches.
East Rim Divide snotel... 1 inch.
Triple Peak snotel... 1 inch.

Sweetwater County...
Rock Springs... 12 to 18 inches.
Green River... 15 inches.
7 se Rock Springs... 11 inches.
Buckboard Marina... 6 inches.
Farson... 6 inches.
Wamsutter... 6 inches.

Teton County...
Togwotee Pass snotel... 4 inches.

Washakie County...
middle powder snotel... 3 inches.

Yellowstone National Park...
Yellowstone East Entrance... 1 inch.

***** Peak wind reports *****

Location speed time/date elevation (ft.)

... Wyoming...

... Big Horn County...
30 E Greybull 45 mph 1258 PM 02/23 8898

... Fremont County...
8 W South Pass City 50 mph 0950 am 02/23 8120
2 W South Pass City 49 mph 0926 am 02/23 8185
Beaver Rim 46 mph 1006 am 02/23 6784
7 SW Muddy Gap 44 mph 1050 am 02/23 7380

... Hot Springs County...
Boysen Peak 46 mph 0140 PM 02/23 7300

... Natrona County...
16 S Hiland 51 mph 1010 am 02/23 6380
2 se Hiland 45 mph 0935 am 02/23 6134
8 S Casper 41 mph 1252 PM 02/23 7740

... Park County...
8 N Meeteetse 51 mph 0921 am 02/23 5926

... Sweetwater County...
15 se Rock Springs 56 mph 0344 PM 02/23 7550
Rock Springs Airport 53 mph 1142 am 02/23 6760
I 80 - mile marker 131 45 mph 0145 PM 02/23 6636
8 E Rock Springs 44 mph 1110 am 02/23 6339
I 80 - mile marker 124 44 mph 1236 PM 02/23 6475
I 80 - mile marker 142 43 mph 0210 PM 02/23 7162
5 E Rock Springs 40 mph 1145 am 02/23 6369

... Teton County...
Summit - Jackson resort 44 mph 0430 am 02/23 10318


NWS Riverton WY


720 PM MST Thu Feb 23 2017

... Preliminary storm information...

The following are snowfall reports received between 7 am and 7 PM
today, and peak wind gusts over the last 24 hours since 7 PM
Wednesday.

Observations are collected from a variety of sources with varying
equipment and exposures. Not all data listed are considered official.

Location snowfall

Big Horn County...
Bald Mountain snotel... 2 inches.
Bone Springs Divide snotel... 1 inch.

Fremont County...
Townsend creek snotel... 29 inches.
Deer Park snotel... 25 inches.
Hobbs Park snotel... 25 inches.
Cold Springs snotel... 24 inches.
St. Lawrence alt snotel... 23 inches.
South Pass snotel... 21 inches.
Lander Airport... 11.2 inches.
Little warm snotel... 11 inches.
Atlantic City... 11 inches.
Hudson... 9 inches.
2 W Riverton... 10 inches.
Riverton Airport... 7.3 inches.
Jeffrey City... 6 inches.
Kinnear... 5 inches.
DuBois... 1 inch.
Burris... 0.2 inches.

Hot Springs County...
5 se Thermopolis... 6.6 inches.
Owl Creek snotel... 4 inches.
Thermopolis... 4 inches.

Johnson County...
4 SSW Buffalo... 3 inches.
Hansen Sawmill snotel... 3 inches.
3 ESE Buffalo... 2.5 inches.
Soldier Park snotel... 2 inches.
Little goose snotel... 2 inches.
Buffalo... 1 inch.
Cloud Peak Reservoir snotel... 1 inch.

Lincoln County...
Kelley Ranger station snotel... 9 inches.
Willow Creek snotel... 8 inches.
Hams Fork snotel... 6 inches.
Indian Creek snotel... 6 inches.
Spring Creek Divide snotel... 6 inches.
Afton... 6 inches.
Star Valley ranch... 5.5 inches.
Salt River Summit snotel... 5 inches.
Cottonwood Creek snotel... 5 inches.
5 SSE Smoot... 4 inches.
3 S Fontenelle dam... 4 inches.
2 se Thayne... 2 inches.
3 se Bedford... 2 inches.
Blind bull Summit snotel... 2 inches.

Natrona County...
Casper Mountain snotel... 17 inches.
Casper... 16 inches.
2 E Evansville... 12 inches.
Casper Mountain... 12 inches.
Reno Hill snotel... 10 inches.
Casper Airport... 9.1 inches.
Powder River... 2 inches.
Grave Spring snotel... 2 inches.
Midwest... 1 inch.

Park County...
Timber Creek snotel... 7 inches.
Marquette snotel... 7 inches.
1 NW Meeteetse... 5 inches.
3 NE sunshine... 4 inches.
Kirwin snotel... 4 inches.
Wolverine snotel... 1 inch.
2 WSW Cody... 1 inch.
Cody... 0.5 to 1 inch.

Sublette County...
Snider Basin snotel... 5 inches.
East Rim Divide snotel... 1 inch.
Triple Peak snotel... 1 inch.

Sweetwater County...
Rock Springs... 12 to 18 inches.
Green River... 15 inches.
7 se Rock Springs... 11 inches.
Buckboard Marina... 6 inches.
Farson... 6 inches.
Wamsutter... 6 inches.

Teton County...
Togwotee Pass snotel... 4 inches.

Washakie County...
middle powder snotel... 3 inches.

Yellowstone National Park...
Yellowstone East Entrance... 1 inch.

***** Peak wind reports *****

Location speed time/date elevation (ft.)

... Wyoming...

... Big Horn County...
30 E Greybull 45 mph 1258 PM 02/23 8898

... Fremont County...
8 W South Pass City 50 mph 0950 am 02/23 8120
2 W South Pass City 49 mph 0926 am 02/23 8185
Beaver Rim 46 mph 1006 am 02/23 6784
7 SW Muddy Gap 44 mph 1050 am 02/23 7380

... Hot Springs County...
Boysen Peak 46 mph 0140 PM 02/23 7300

... Natrona County...
16 S Hiland 51 mph 1010 am 02/23 6380
2 se Hiland 45 mph 0935 am 02/23 6134
8 S Casper 41 mph 1252 PM 02/23 7740

... Park County...
8 N Meeteetse 51 mph 0921 am 02/23 5926

... Sweetwater County...
15 se Rock Springs 56 mph 0344 PM 02/23 7550
Rock Springs Airport 53 mph 1142 am 02/23 6760
I 80 - mile marker 131 45 mph 0145 PM 02/23 6636
8 E Rock Springs 44 mph 1110 am 02/23 6339
I 80 - mile marker 124 44 mph 1236 PM 02/23 6475
I 80 - mile marker 142 43 mph 0210 PM 02/23 7162
5 E Rock Springs 40 mph 1145 am 02/23 6369

... Teton County...
Summit - Jackson resort 44 mph 0430 am 02/23 10318


NWS Riverton WY

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California - Areal Flood Warning , Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , High Surf Advisory , Areal Flood Watch , Flash Flood Watch , Frost Advisory , Winter Storm Warning, Winter Weather Advisory , Freeze Warning , Winter Weather Advisory , Winter Storm Watch , Hydrologic Statement , Special Statement , Air Quality Alert , Public Information Statement
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