Alert archive / Wyoming / Wind Chill Warnings in 2017

Wind Chill Warning 1, NWS Riverton, WY

January 5, 201711 counties in Wyoming

NWS Riverton, WY issued this wind chill warning at Jan 5, 2017, 1:18 PM MST for 11 counties in Wyoming. It took effect at Jan 5, 2017, 7:00 PM MST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 5, 2017, 1:18 PM MST (20:18 UTC)
In effect from
Jan 5, 2017, 7:00 PM MST
Expired
Jan 6, 2017, 10:00 AM MST
In force
15 hr
Issued by
NWS Riverton, WY

Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 41 km from the middle of the area, began a volume at 20:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 8.3 hours before the alert went out and 44 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2017-01-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2017-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

961 
WWUS45 KRIW 052018
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
118 PM MST THU JAN 5 2017

...BITTER COLD TEMPERATURES WITH DANGEROUS WIND CHILLS EXPECTED
ACROSS WESTERN AND CENTRAL WYOMING TONIGHT AND FRIDAY MORNING...

.ARCTIC AIR WITH BITTER COLD TEMPERATURES AND WIND WILL PRODUCE
DANGEROUS WIND CHILLS EXPECTED ACROSS WESTERN AND CENTRAL WYOMING
TONIGHT AND FRIDAY MORNING.

WYZ010-011-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES WILL PROVIDE AN
  EXTREME THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN
  SHORT UNPROTECTED EXPOSURE OUTDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ020-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES WILL PROVIDE AN
  EXTREME THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN
  SHORT UNPROTECTED EXPOSURE OUTDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ019-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ016>018-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ003>006-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
CODY FOOTHILLS-NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
SOUTHEAST BIG HORN BASIN-
INCLUDING THE CITIES OF...CODY...MEETEETSE...THERMOPOLIS...
WORLAND
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ028>030-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ025>027-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON...KEMMERER...COKEVILLE
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ013-061000-
/O.NEW.KRIW.WC.W.0001.170106T0200Z-170106T1700Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
118 PM MST THU JAN 5 2017

...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM MST
FRIDAY. 

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME THREAT
  TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$
2 follow-up statements
493 
WWUS45 KRIW 060923
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
223 AM MST FRI JAN 6 2017

...BITTER COLD TEMPERATURES WITH DANGEROUS WIND CHILLS EXPECTED
ACROSS WESTERN AND CENTRAL WYOMING THIS MORNING...

.ARCTIC AIR WITH BITTER COLD TEMPERATURES AND WIND WILL PRODUCE
DANGEROUS WIND CHILLS EXPECTED ACROSS WESTERN AND CENTRAL WYOMING
THIS MORNING.

WYZ010-011-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -40.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES WILL PROVIDE AN 
  EXTREME THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH 
  EVEN SHORT UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ020-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -40.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES WILL PROVIDE AN 
  EXTREME THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH 
  EVEN SHORT UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ019-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ016>018-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ003>006-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
CODY FOOTHILLS-NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
SOUTHEAST BIG HORN BASIN-
INCLUDING THE CITIES OF...CODY...MEETEETSE...THERMOPOLIS...
WORLAND
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -40.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ028>030-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ025>027-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON...KEMMERER...COKEVILLE
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ013-061700-
/O.CON.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
223 AM MST FRI JAN 6 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* WIND CHILL VALUES...-30 TO -45.

* IMPACTS...WIND CHILL TEMPERATURES WILL PROVIDE AN EXTREME 
  THREAT TO PEOPLE FOR HYPOTHERMIA AND FROSTBITE WITH EVEN SHORT 
  UNPROTECTED EXPOSURE OUTDOORS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$
349 
WWUS45 KRIW 061704
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1004 AM MST FRI JAN 6 2017

...FRIGID TEMPERATURES WILL MODERATE SLOWLY FOR THE REMAINDER OF
THE DAY...

.AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 40 AND 45 BELOW
IN PORTIONS OF SOUTHWEST WYOMING AS WELL AS ACROSS YELLOWSTONE
PARK ALONG WITH TEMPERATURES BETWEEN 30 AND 40 BELOW EVEN MORE
COMMON THROUGHOUT WESTERN AND CENTRAL WYOMING, TEMPERATURES WILL
SLOWLY MODERATE TO THE SINGLE DIGITS ABOVE ZERO.

WYZ010-011-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 10 AND 20 BELOW
ZERO ACROSS MUCH OF JOHNSON COUNTY, TEMPERATURES WILL SLOWLY
MODERATE TO THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL
ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

WYZ020-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 10 AND 20 BELOW
ZERO ACROSS MUCH OF NATRONA COUNTY, TEMPERATURES WILL SLOWLY
MODERATE TO THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL
ADVISORY HAS BEEN ALLOWED TO EXPIRE.



$$

WYZ019-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO ANYWHERE BETWEEN 10 AND 40
BELOW ZERO ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE RANGE,
TEMPERATURES WILL SLOWLY MODERATE TO THE SINGLE DIGITS ABOVE ZERO.
THEREFORE THE WIND CHILL ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

WYZ016>018-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 20 AND 40 BELOW
ZERO ACROSS MUCH OF FREMONT COUNTY, TEMPERATURES WILL SLOWLY
MODERATE TO THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL
ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

WYZ003>006-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
CODY FOOTHILLS-NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
SOUTHEAST BIG HORN BASIN-
INCLUDING THE CITIES OF...CODY...MEETEETSE...THERMOPOLIS...
WORLAND
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 10 AND 30 BELOW
ZERO ACROSS MUCH OF THE BIG HORN BASIN, TEMPERATURES WILL SLOWLY
MODERATE TO THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL
ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

WYZ028>030-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 25 AND 45 ACROSS
MUCH OF SWEETWATER COUNTY, INCLUDING THE STATE LOW TEMPERATURE OF
45 BELOW 8 MILES EAST OF ROCK SPRINGS, TEMPERATURES WILL SLOWLY
MODERATE TO THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL
ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

WYZ025>027-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON...KEMMERER...COKEVILLE
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 25 AND 44 ACROSS
MUCH OF SOUTHWEST WYOMING, INCLUDING THE 44 BELOW ZERO AT
BONDURANT, TEMPERATURES WILL SLOWLY MODERATE TO THE SINGLE DIGITS
ABOVE ZERO. THEREFORE THE WIND CHILL ADVISORY HAS BEEN ALLOWED TO
EXPIRE. 

$$

WYZ013-061815-
/O.EXP.KRIW.WC.W.0001.000000T0000Z-170106T1700Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1004 AM MST FRI JAN 6 2017

...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING...

AFTER LOW TEMPERATURES BOTTOMED OUT TO BETWEEN 20 AND 35 ACROSS
MUCH OF TETON COUNTY COUNTY, TEMPERATURES WILL SLOWLY MODERATE TO
THE SINGLE DIGITS ABOVE ZERO. THEREFORE THE WIND CHILL ADVISORY
HAS BEEN ALLOWED TO EXPIRE.

$$

TEAM RIVERTON

What forecasters said that day

The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this wind chill warning went out at Jan 5, 10:10 AM MST, 3 hours 8 minutes earlier.

Area forecast discussion, Jan 5, 10:10 AM MST, 3 hours 8 minutes before
Area Forecast Discussion
National Weather Service Riverton WY
1010 AM MST Thu Jan 5 2017

SHORT TERM...Today through Saturday night

Snow continues to be shunted southward over southern portions and
into northern CO this morning. This activity is expected to be
south of I 80 by 15Z and out of the forecast area by 18Z. Winds
will also quickly subside during this time.

Skies have begun to clear already across northern portions and
will continue clearing from north to south today. Low clouds have
begun invading northeastern portions and could impact Natrona
County by 12Z. Otherwise, skies will be partly cloudy Friday and
Saturday. As a result, have left the possibility for patchy fog
in the valleys and basins tonight and Friday night.

Dry and cold conditions will prevail through Saturday, as high
pressure builds across the region. Gusty winds will develop Friday
and last through about 12Z Saturday across the Absarokas and east
slopes of the Wind River Mountains, as well as the Wind Corridor.
This will be in response to a lee side trough developing over
eastern WY and tightening the pressure gradient in these areas.
The next round of precipitation will return across the west
Saturday night, as the next storm system moves over the eastern
Pacific. The timing of this precipitation could be pushed back 6
to 12 hours, as the ridge axis builds over northern portions of
the Great Basin Saturday night. Regardless, initial snowfall
amounts Saturday night will be light, but could be the beginning
of a prolonged event next week.

LONG TERM...Sunday through Thursday

Global models are in good agreement with an isentropic upglide
pattern continuing Sunday into Monday across the west with a good
Pacific fetch of moisture with precipitable water values between
0.40 and 0.50 an inch. By Monday into Monday evening models show a
shortwave trough in the flow and associated cold front sweeping
across the forecast area which could enhance the precipiation out
west. Enough warm air could overspread the area where snow could
mix with or change to rain in the lower elevations below 6500 feet
Monday ahead of the cold front. This is setting up for a
significant snow event Sunday and Monday across the west. East of
the Divide, Sunday and Monday look to be mainly dry due to
downsloping, but winds will be strong to possibly high wind
especially in the wind corridor from South Pass to Casper, as well
as Absaroka Mts and Cody Foothills. Some precipitation could
spread east of the Divide Monday/Monday night with the cold front,
but confidence this far out is low. Temperatures will be much
warmer Sunday and Monday especially in mixed areas, with the big
question is how much warming will occur in typical trapped central
basins. The flow looks to be strong enough to get even those
stubborn trapped basins to mix out a bit. If the strong surface
inversion is too strong, the central basins will be mixed out as a
Pacific cold front pushes across the area late Monday/Monday
night.

A moist westerly flow will then continue Tuesday through Thursday
with decent chances of continued snowfall out west becoming
enhanced at times as shortwaves in the flow move across the
region while east of the Divide keeps relatively dry in the mainly
downsloping regime. In addition, the quasi-stationary Arctic cold
front will be on our door step through the week with it sneaking
into the far north or eastern sections of the forecast area at
times.

AVIATION.../18Z ISSUANCE/

West of the divide...KBPI/KJAC/KPNA/KRKS Terminals

VFR conditions to prevail through the forecast period except for
some patchy valley fog which may partially obscure terrain in the
western valleys Friday morning. Modest wind shear possible near KRKS
beginning Friday morning.

East of the divide...KCOD/KCPR/KLND/KRIW/KWRL Terminals

VFR conditions to prevail through the forecast period except for
some patchy valley fog which may partially obscure terrain in the
central basins Friday morning. Wind shear possible near
KCPR after 06z Friday.

FIRE WEATHER...

Conditions will remain cold through the weekend. Gusty winds will
return to the wind prone locations Friday and Friday night.
Otherwise, strong inversions will keep temperatures bitterly cold
across the area, but especially in the valleys and basins. Snow
will return across western portions Saturday night into Sunday.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
None.
&&

SHORT TERM...LaVoie
LONG TERM...WM
AVIATION...Braun
FIRE WEATHER...LaVoie
Hazardous weather outlook, Jan 5, 4:35 AM MST, 8 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
435 AM MST THU JAN 5 2017

WYZ001>020-022>030-061300-
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS-
NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY-
SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS-
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
435 AM MST THU JAN 5 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

BITTERLY COLD. PATCHY FOG IN THE BASINS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FRIDAY AND SATURDAY...PATCHY MORNING FOG WILL BE POSSIBLE IN THE
CENTRAL AND WESTERN VALLEYS AND BASINS.

SUNDAY AND MONDAY...SIGNIFICANT SNOW AND WIND PROBABLE OVER THE
WEST. STRONG TO HIGH WIND POSSIBLE FOR THE CODY FOOTHILLS...SOUTHEAST
FREMONT COUNTY INTO MUCH OF NATRONA COUNTY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

TEAM RIVERTON

In the hours before

Local storm report, Jan 5, 1:00 PM MST, 18 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RIVERTON WY
200 PM MDT THU JAN 5 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0143 PM     SNOW             DANIEL FISH HATCHERY    42.92N 110.12W
01/04/2017  M2.50 INCHES     SUBLETTE           WY   CO-OP OBSERVER

0212 PM     HEAVY SNOW       STAR VALLEY RANCH       42.97N 110.96W
01/04/2017  M7.00 INCHES     LINCOLN            WY   COCORAHS

0220 PM     SNOW             13 NE BIG PINEY         42.69N 109.97W
01/04/2017  M2.20 INCHES     SUBLETTE           WY   COCORAHS

0229 PM     SNOW             3 NNE WILSON            43.53N 110.84W
01/04/2017  M4.50 INCHES     TETON              WY   PUBLIC

0230 PM     SNOW             2 SW WILSON             43.46N 110.89W
01/04/2017  M3.00 INCHES     TETON              WY   TRAINED SPOTTER

0400 PM     HEAVY SNOW       2 NW AFTON              42.74N 110.95W
01/04/2017  M9.00 INCHES     LINCOLN            WY   TRAINED SPOTTER

0402 PM     HEAVY SNOW       SMOOT                   42.62N 110.91W
01/04/2017  M11.00 INCHES    LINCOLN            WY   TRAINED SPOTTER

0431 PM     HEAVY SNOW       GRAND TARGHEE - CHIEF J 43.79N 110.94W
01/04/2017  E9.00 INCHES     TETON              WY   PARK/FOREST SRVC

0432 PM     SNOW             9.9 NNW JACKSON         43.60N 110.85W
01/04/2017  E5.10 INCHES     TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE - RAYMER

0432 PM     HEAVY SNOW       JACKSON HOLE - RENDEZVO 43.59N 110.87W
01/04/2017  E6.50 INCHES     TETON              WY   PARK/FOREST SRVC

0432 PM     SNOW             TOGWOTEE MOUNTAIN LODGE 43.82N 110.18W
01/04/2017  E3.00 INCHES     TETON              WY   PARK/FOREST SRVC

0432 PM     SNOW             8.6 NNW JACKSON         43.58N 110.85W
01/04/2017  E3.60 INCHES     TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE - BASE

0432 PM     SNOW             JACKSON HOLE - MID MOUN 43.59N 110.84W
01/04/2017  E5.50 INCHES     TETON              WY   PARK/FOREST SRVC

0432 PM     SNOW             SNOW KING               43.46N 110.76W
01/04/2017  E5.00 INCHES     TETON              WY   PARK/FOREST SRVC

0432 PM     HEAVY SNOW       17.2 E THAYNE           42.97N 110.61W
01/04/2017  E8.00 INCHES     LINCOLN            WY   PARK/FOREST SRVC

            BLIND BULL SUMMIT

0432 PM     HEAVY SNOW       14.3 E THAYNE           42.87N 110.71W
01/04/2017  E14.00 INCHES    LINCOLN            WY   PARK/FOREST SRVC

            BOX Y RANCH

0432 PM     HEAVY SNOW       COMMISSARY RIDGE        42.57N 110.73W
01/04/2017  E17.00 INCHES    LINCOLN            WY   PARK/FOREST SRVC

0500 PM     HEAVY SNOW       6 ENE ALTA              43.78N 110.93W
01/04/2017  E8.00 INCHES     TETON              WY   MESONET

            GRAND TARGHEE SNOTEL

0500 PM     HEAVY SNOW       10 N BONDURANT          43.34N 110.43W
01/04/2017  E7.00 INCHES     TETON              WY   MESONET

            GRANITE CREEK SNOTEL

0500 PM     SNOW             8 W SOUTH ENTRANCE      44.13N 110.83W
01/04/2017  E4.00 INCHES     TETON              WY   MESONET

            GRASSY LAKE SNOTEL

0500 PM     SNOW             20 NE BONDURANT         43.39N 110.13W
01/04/2017  E4.00 INCHES     TETON              WY   MESONET

            GROS VENTRE SUMMIT SNOTEL

0500 PM     HEAVY SNOW       14 E BONDURANT          43.17N 110.14W
01/04/2017  E6.00 INCHES     SUBLETTE           WY   MESONET

            LOOMIS PARK SNOTEL

0500 PM     SNOW             8 WNW JACKSON           43.52N 110.91W
01/04/2017  E5.00 INCHES     TETON              WY   MESONET

            PHILLIPS BENCH SNOTEL

0501 PM     SNOW             25 NW DUBOIS            43.75N 110.06W
01/04/2017  E4.00 INCHES     TETON              WY   MESONET

            TOGWOTEE PASS SNOTEL

0501 PM     SNOW             16 SW DUBOIS            43.38N 109.88W
01/04/2017  E3.00 INCHES     SUBLETTE           WY   MESONET

            GUNSITE PASS SNOTEL

0501 PM     SNOW             22 N CORA               43.25N 110.02W
01/04/2017  E4.00 INCHES     SUBLETTE           WY   MESONET

            KENDALL RANGER STATION SNOTEL

0501 PM     HEAVY SNOW       25 SW LANDER            42.58N 109.08W
01/04/2017  E6.00 INCHES     SUBLETTE           WY   MESONET

            LARSEN CREEK SNOTEL

0501 PM     SNOW             12 N CORA               43.11N 109.95W
01/04/2017  E4.00 INCHES     SUBLETTE           WY   MESONET

            NEW FORK LAKE SNOTEL

0502 PM     SNOW             6 WSW DUBOIS            43.50N 109.75W
01/04/2017  E3.00 INCHES     FREMONT            WY   MESONET

            LITTLE WARM SNOTEL

0502 PM     HEAVY SNOW       8 SE AFTON              42.65N 110.81W
01/04/2017  E10.00 INCHES    LINCOLN            WY   MESONET

            COTTONWOOD CREEK SNOTEL

0502 PM     HEAVY SNOW       15 S AFTON              42.51N 110.91W
01/04/2017  E9.00 INCHES     LINCOLN            WY   MESONET

            SALT RIVER SUMMIT SNOTEL

0503 PM     HEAVY SNOW       19 SE AFTON             42.53N 110.66W
01/04/2017  E10.00 INCHES    LINCOLN            WY   MESONET

            SPRING CREEK DIVIDE SNOTEL

0503 PM     HEAVY SNOW       17 E AFTON              42.76N 110.59W
01/04/2017  E10.00 INCHES    SUBLETTE           WY   MESONET

            TRIPLE PEAK SNOTEL

0503 PM     HEAVY SNOW       8 NE AFTON              42.82N 110.84W
01/04/2017  E9.00 INCHES     LINCOLN            WY   MESONET

            WILLOW CREEK SNOTEL

0651 PM     SNOW             FOSSIL BUTTE            41.83N 110.77W
01/04/2017  M5.80 INCHES     LINCOLN            WY   CO-OP OBSERVER

0811 PM     HEAVY SNOW       ALPINE                  43.18N 111.03W
01/04/2017  M13.00 INCHES    LINCOLN            WY   TRAINED SPOTTER

0856 PM     HEAVY SNOW       STAR VALLEY RANCH       42.97N 110.94W
01/04/2017  M13.00 INCHES    LINCOLN            WY   COCORAHS

0610 AM     HEAVY SNOW       24 ESE BOULDER          42.65N 109.26W
01/05/2017  E6.00 INCHES     SUBLETTE           WY   MESONET

            BIG SANDY OPENING SNOTEL

0611 AM     SNOW             12 NNE PINEDALE         43.01N 109.76W
01/05/2017  E5.00 INCHES     SUBLETTE           WY   MESONET

            ELKHART PARK G.S. SNOTEL

0611 AM     SNOW             14 W CROWHEART          43.28N 109.45W
01/05/2017  E4.00 INCHES     FREMONT            WY   MESONET

            COLD SPRINGS SNOTEL

0611 AM     SNOW             19 SSW LANDER           42.59N 108.90W
01/05/2017  E5.00 INCHES     FREMONT            WY   MESONET

            DEER PARK SNOTEL

0611 AM     SNOW             18 W LANDER             42.87N 109.09W
01/05/2017  E4.00 INCHES     FREMONT            WY   MESONET

            HOBBS PARK SNOTEL

0612 AM     SNOW             26 NW LANDER            43.03N 109.17W
01/05/2017  E5.00 INCHES     FREMONT            WY   MESONET

            ST. LAWRENCE ALT SNOTEL

0612 AM     SNOW             12 SW LANDER            42.70N 108.90W
01/05/2017  E3.00 INCHES     FREMONT            WY   MESONET

            TOWNSEND CREEK SNOTEL

0612 AM     HEAVY SNOW       19 SW BONDURANT         42.96N 110.61W
01/05/2017  E12.00 INCHES    LINCOLN            WY   MESONET

            BLIND BULL SUMMIT SNOTEL

0613 AM     HEAVY SNOW       26 N KEMMERER           42.15N 110.68W
01/05/2017  E14.00 INCHES    LINCOLN            WY   MESONET

            HAMS FORK SNOTEL

0613 AM     HEAVY SNOW       36 N KEMMERER           42.30N 110.68W
01/05/2017  E13.00 INCHES    LINCOLN            WY   MESONET

            INDIAN CREEK SNOTEL

0614 AM     HEAVY SNOW       15 NNE COKEVILLE        42.27N 110.81W
01/05/2017  E14.00 INCHES    LINCOLN            WY   MESONET

            KELLEY RANGER STATION SNOTEL

0614 AM     HEAVY SNOW       21 W BIG PINEY          42.49N 110.53W
01/05/2017  E11.00 INCHES    SUBLETTE           WY   MESONET

            SNIDER BASIN SNOTEL

0615 AM     HEAVY SNOW       12 ESE BONDURANT        43.13N 110.20W
01/05/2017  E6.00 INCHES     SUBLETTE           WY   MESONET

            EAST RIM DIVIDE SNOTEL

1230 PM     SNOW             SNAKE RIVER RANGER STAT 44.13N 110.66W
01/05/2017  M3.20 INCHES     YELLOWSTONE        WY   CO-OP OBSERVER

1233 PM     SNOW             1 ENE WAPITI            44.47N 109.41W
01/05/2017  M4.00 INCHES     PARK               WY   CO-OP OBSERVER

1242 PM     SNOW             JACKSON                 43.48N 110.75W
01/05/2017  M4.30 INCHES     TETON              WY   CO-OP OBSERVER

1243 PM     SNOW             JACKSON DAM             43.85N 110.58W
01/05/2017  M3.20 INCHES     TETON              WY   CO-OP OBSERVER

1243 PM     SNOW             MOOSE                   43.65N 110.71W
01/05/2017  M5.70 INCHES     TETON              WY   CO-OP OBSERVER

1243 PM     HEAVY SNOW       ATLANTIC CITY           42.49N 108.72W
01/05/2017  M7.00 INCHES     FREMONT            WY   CO-OP OBSERVER

1244 PM     SNOW             DUBOIS                  43.53N 109.65W
01/05/2017  M5.00 INCHES     FREMONT            WY   CO-OP OBSERVER

1245 PM     SNOW             JEFFREY CITY            42.49N 107.82W
01/05/2017  M4.00 INCHES     FREMONT            WY   CO-OP OBSERVER

1248 PM     HEAVY SNOW       AFTON                   42.72N 110.92W
01/05/2017  M11.40 INCHES    LINCOLN            WY   CO-OP OBSERVER

1250 PM     HEAVY SNOW       5 N FARSON              42.18N 109.44W
01/05/2017  M6.00 INCHES     SWEETWATER         WY   CO-OP OBSERVER

1250 PM     HEAVY SNOW       2.5 SE BOULDER          42.71N 109.69W
01/05/2017  M7.00 INCHES     SUBLETTE           WY   CO-OP OBSERVER

            BOULDER REARING STATION

1250 PM     HEAVY SNOW       GREEN RIVER             41.53N 109.47W
01/05/2017  M10.30 INCHES    SWEETWATER         WY   CO-OP OBSERVER

1251 PM     HEAVY SNOW       ROCK SPRINGS            41.57N 109.23W
01/05/2017  M6.00 INCHES     SWEETWATER         WY   CO-OP OBSERVER

1252 PM     HEAVY SNOW       21 SSW GREEN RIVER      41.24N 109.59W
01/05/2017  M8.00 INCHES     SWEETWATER         WY   CO-OP OBSERVER

            BUCKBOARD MARINA

1253 PM     HEAVY SNOW       WAMSUTTER               41.67N 107.97W
01/05/2017  M6.00 INCHES     SWEETWATER         WY   CO-OP OBSERVER

1256 PM     HEAVY SNOW       3 S FONTENELLE DAM      41.98N 110.06W
01/05/2017  M10.00 INCHES    LINCOLN            WY   CO-OP OBSERVER

0110 PM     SNOW             LANDER                  42.82N 108.74W
01/05/2017  M2.20 INCHES     FREMONT            WY   COCORAHS

0111 PM     SNOW             6 SW LANDER             42.76N 108.79W
01/05/2017  M3.40 INCHES     FREMONT            WY   COCORAHS

0112 PM     SNOW             9 SSE LANDER            42.69N 108.68W
01/05/2017  M3.20 INCHES     FREMONT            WY   COCORAHS

0115 PM     HEAVY SNOW       5 SSE SMOOT             42.55N 110.88W
01/05/2017  M15.00 INCHES    LINCOLN            WY   COCORAHS

0116 PM     HEAVY SNOW       2 SE THAYNE             42.90N 110.98W
01/05/2017  M12.50 INCHES    LINCOLN            WY   COCORAHS

0117 PM     SNOW             1 S CASPER              42.80N 106.33W
01/05/2017  M2.60 INCHES     NATRONA            WY   COCORAHS

0118 PM     SNOW             5 SSW CASPER            42.76N 106.35W
01/05/2017  M4.00 INCHES     NATRONA            WY   TRAINED SPOTTER

0119 PM     SNOW             10 WSW CASPER           42.76N 106.49W
01/05/2017  M2.50 INCHES     NATRONA            WY   COCORAHS

0122 PM     SNOW             PINEDALE                42.87N 109.86W
01/05/2017  M3.70 INCHES     SUBLETTE           WY   COCORAHS

0122 PM     HEAVY SNOW       14 NW PINEDALE          42.98N 110.08W
01/05/2017  M7.60 INCHES     SUBLETTE           WY   COCORAHS

0123 PM     HEAVY SNOW       GREEN RIVER             41.50N 109.46W
01/05/2017  M7.00 INCHES     SWEETWATER         WY   COCORAHS

0124 PM     SNOW             GREEN RIVER             41.49N 109.45W
01/05/2017  M3.10 INCHES     SWEETWATER         WY   COCORAHS

0124 PM     HEAVY SNOW       ROCK SPRINGS            41.59N 109.21W
01/05/2017  M10.70 INCHES    SWEETWATER         WY   COCORAHS

0124 PM     HEAVY SNOW       ROCK SPRINGS            41.58N 109.21W
01/05/2017  M7.40 INCHES     SWEETWATER         WY   COCORAHS

0125 PM     HEAVY SNOW       ROCK SPRINGS            41.58N 109.22W
01/05/2017  M8.50 INCHES     SWEETWATER         WY   COCORAHS

0125 PM     HEAVY SNOW       4 NNW ROCK SPRINGS      41.65N 109.26W
01/05/2017  M11.40 INCHES    SWEETWATER         WY   COCORAHS

0126 PM     SNOW             12 NE JACKSON           43.62N 110.62W
01/05/2017  M2.50 INCHES     TETON              WY   COCORAHS

0126 PM     SNOW             2 NE TETON VILLAGE      43.59N 110.79W
01/05/2017  M3.80 INCHES     TETON              WY   COCORAHS

&&

Nearby

Wind Chill Warnings in Wyoming, 2017Every wind chill warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.