Alert archive / Wyoming / High Wind Warnings in 2014

High Wind Warning 29, NWS Riverton, WY

December 20, 20145 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Dec 20, 2014, 1:37 PM MST for 5 counties in Wyoming. It took effect at Dec 20, 2014, 8:00 PM MST. It was in force for 27 hr. 28 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 20, 2014, 1:37 PM MST (20:37 UTC)
In effect from
Dec 20, 2014, 8:00 PM MST
Expired
Dec 21, 2014, 11:22 PM MST
In force
27 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 40 km from the middle of the area, began a volume at 20:34 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.

What was reported inside it

TimeReportWhereRemark
Dec 21, 7:00 AM MSTHEAVY SNOW 7.116 S Afton, WYSALT RIVER SUMMIT SNOTEL 7760 MSL. 14-HOUR TOTAL.
Dec 21, 3:00 PM MSTHEAVY SNOW 10.116 S Afton, WYSALT RIVER SUMMIT SNOTEL 7760 MSL. 26-HOUR TOTAL.
Dec 21, 3:29 PM MSTSNOW 118 Sw Cody, WYMARQUETTE SNOTEL
Dec 21, 3:29 PM MSTHEAVY SNOW 814 Ne Pahaska, WYEVENING STAR SNOTEL
Dec 21, 3:29 PM MSTHEAVY SNOW 821 W Clark, WYBEARTOOTH LAKE SNOTEL
Dec 21, 3:29 PM MSTHEAVY SNOW 919 Wsw Wapiti, WYBLACKWATER SNOTEL
Dec 21, 3:30 PM MSTSNOW 526 Wsw Clark, WYWOLVERINE SNOTEL
Dec 21, 6:08 PM MSTHEAVY SNOW 7Brooks Lake, WY
Dec 21, 6:09 PM MSTHEAVY SNOW 1214.3 E Thayne, WYBOX Y RANCH
Dec 21, 6:10 PM MSTSNOW 3Fossil Butte, WY
Dec 21, 6:10 PM MSTHEAVY SNOW 1217.2 E Thayne, WYBLIND BULL SUMMIT
Dec 21, 6:11 PM MSTHEAVY SNOW 6Kemmerer, WY
Dec 21, 6:11 PM MSTHEAVY SNOW 1223 Nw Dubois, WYBROOKS LAKE LODGE
Dec 21, 6:13 PM MSTSNOW 516 Ne Dubois, WYCASTLE CREEK SNOTEL
Dec 21, 6:13 PM MSTSNOW 530 Sw Meeteetse, WYKIRWIN SNOTEL
Dec 21, 6:13 PM MSTHEAVY SNOW 811 N Dubois, WYBURROUGHS CREEK SNOTEL
Dec 21, 6:16 PM MSTSNOW 212 Sw Lander, WYTOWNSEND CREEK SNOTEL
Dec 21, 6:16 PM MSTSNOW 218 W Lander, WYHOBBS PARK SNOTEL
Dec 21, 6:16 PM MSTSNOW 226 Nw Lander, WYST. LAWRENCE ALT SNOTEL
Dec 21, 6:16 PM MSTSNOW 414 W Crowheart, WYCOLD SPRINGS SNOTEL
Dec 21, 6:16 PM MSTSNOW 47 Nw Atlantic City, WYSOUTH PASS SNOTEL
Dec 21, 6:16 PM MSTSNOW 519 Ssw Lander, WYDEER PARK SNOTEL
Dec 21, 6:16 PM MSTSNOW 56 Wsw Dubois, WYLITTLE WARM SNOTEL
Dec 21, 6:17 PM MSTSNOW 222 Sse Casper, WYRENO HILL SNOTEL
Dec 21, 6:17 PM MSTHEAVY SNOW 1015 S Afton, WYSALT RIVER SUMMIT SNOTEL
Dec 21, 6:17 PM MSTHEAVY SNOW 148 Se Afton, WYCOTTONWOOD CREEK SNOTEL
Dec 21, 6:17 PM MSTHEAVY SNOW 1819 Se Afton, WYSPRING CREEK DIVIDE SNOTEL
Dec 21, 6:18 PM MSTHEAVY SNOW 168 Ne Afton, WYWILLOW CREEK SNOTEL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 8.6 hours before the alert went out and 46 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 2014-12-20Temperature 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 2014-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
1474 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

399 
WWUS75 KRIW 202037
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
137 PM MST SAT DEC 20 2014

...PERIODS OF HIGH WINDS WILL BE POSSIBLE TONIGHT AND SUNDAY...

.AN APPROACHING STORM SYSTEM WILL INCREASE WEST WINDS OVER THE
ABSAROKA MOUNTAINS AND CODY FOOTHILLS BEGINNING AROUND 8 PM MST
THIS EVENING. THE WIND IS EXPECTED TO DECREASE IN THE NORTH LATE
SUNDAY MORNING. HIGH WINDS WILL THEN DEVELOP ACROSS THE SOUTH
IN SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES. 

WYZ003-211000-
/O.UPG.KRIW.HW.A.0027.141221T0300Z-141221T1800Z/
/O.NEW.KRIW.HW.W.0029.141221T0300Z-141221T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
137 PM MST SAT DEC 20 2014

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM
MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP OVER THE CODY
  FOOTHILLS AROUND 8 PM MST TONIGHT AND CONTINUE THROUGH SUNDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED AROUND THE CLARK AREA.

* WIND...35 TO 45 MPH WITH GUSTS UP TO 65 MPH IS EXPECTED.

* IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT AND HAZARDOUS
  FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. ALONG HIGHWAY 120
  AROUND CLARK...THE CROSS WINDS WILL CAUSE A BLOW OVER THREAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ019-211000-
/O.UPG.KRIW.HW.A.0027.141221T1800Z-141222T0600Z/
/O.NEW.KRIW.HW.W.0029.141221T1200Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
137 PM MST SAT DEC 20 2014

...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ALONG HIGHWAY 287
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY EARLY IN
  THE MORNING AND CONTINUE THROUGH SUNDAY EVENING. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE
  POSSIBLE. 

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES.  STRONG CROSS WINDS WILL
  CAUSE A BLOW OVER THREAT ALONG HIGHWAY 287.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-211000-
/O.UPG.KRIW.HW.A.0027.141221T1800Z-141222T0600Z/
/O.NEW.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
137 PM MST SAT DEC 20 2014

...HIGH WIND WARNING IN EFFECT FROM 5 AM SUNDAY TO 2 AM MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 2 AM MST MONDAY.
THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 SUNDAY MORNING AND CONTINUE
  THROUGH THE EVENING HOURS. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  INTERSTATE 80 CORRIDOR ON SUNDAY.  AREAS OF STRONG CROSS WINDS
  WILL CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-211000-
/O.NEW.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
137 PM MST SAT DEC 20 2014

...HIGH WIND WARNING IN EFFECT FROM 5 AM SUNDAY TO 2 AM MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 2 AM MST MONDAY.

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SOUTHERN
  LINCOLN COUNTY INCLUDING KEMMERER AND DIAMONDVILLE.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  HIGHWAYS 189 AND 30 ON SUNDAY. AREAS OF STRONG CROSS WINDS WILL
  CAUSE A BLOW OVER RISK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

C.BAKER
7 follow-up statements
432 
WWUS75 KRIW 210311
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
811 PM MST SAT DEC 20 2014

...PERIODS OF HIGH WINDS WILL BE POSSIBLE TONIGHT AND SUNDAY...

.AN APPROACHING STORM SYSTEM WILL INCREASE WEST WINDS OVER THE
ABSAROKA MOUNTAINS AND CODY FOOTHILLS BEGINNING AROUND 8 PM MST
THIS EVENING. THE WIND IS EXPECTED TO DECREASE IN THE NORTH LATE
SUNDAY MORNING. HIGH WINDS WILL THEN DEVELOP ACROSS THE SOUTH IN
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES.

WYZ003-211115-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141221T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
811 PM MST SAT DEC 20 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP OVER THE CODY
  FOOTHILLS LATE THIS EVENING AND CONTINUE THROUGH SUNDAY
  MORNING. THE STRONGEST WINDS ARE EXPECTED AROUND THE CLARK AREA.

* WIND...35 TO 45 MPH WITH GUSTS UP TO 65 MPH IS EXPECTED.

* IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT AND HAZARDOUS 
  FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. ALONG HIGHWAY 120 
  AROUND CLARK...THE CROSS WINDS WILL CAUSE A BLOW OVER THREAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ019-211115-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
811 PM MST SAT DEC 20 2014

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST
SUNDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST
SUNDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ALONG HIGHWAY 287 
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY EARLY IN 
  THE MORNING AND CONTINUE THROUGH SUNDAY EVENING. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE 
  POSSIBLE. 

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES. STRONG CROSS WINDS 
  WILL CAUSE A BLOW OVER THREAT ALONG HIGHWAY 287. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-211115-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
811 PM MST SAT DEC 20 2014

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 2 AM
MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 2 AM
MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SWEETWATER 
  COUNTY INCLUDING INTERSTATE 80 SUNDAY MORNING AND CONTINUE 
  THROUGH THE EVENING HOURS. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE INTERSTATE 80 CORRIDOR ON SUNDAY. AREAS OF STRONG CROSS 
  WINDS WILL CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-211115-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
811 PM MST SAT DEC 20 2014

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 2 AM
MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 2 AM
MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...SUNDAY
  MORNING AND CONTINUE THROUGH THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE HIGHWAYS 189 AND 30 ON SUNDAY. AREAS OF STRONG CROSS WINDS 
  WILL CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
803 
WWUS75 KRIW 210930
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
230 AM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT SOUTHERN WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE ABSAROKA
MOUNTAINS AND CODY FOOTHILLS THROUGH THE MORNING HOURS.
ADDITIONALLY...HIGH WINDS WILL THEN DEVELOP ACROSS THE SOUTH IN
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES. AS
THE NORTHWEST WIND INCREASES ACROSS THE FORECAST AREA...THE
POTENTIAL EXISTS FOR STRONG WINDS TO DEVELOP ACROSS THE WIND RIVER
BASIN AND JOHNSON COUNTY THIS EVENING...AND CONTINUE THROUGH
MONDAY AFTERNOON. 

WYZ003-211800-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141221T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
230 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* SUMMARY AND TIMING...HIGH WINDS CONTINUE THROUGH THIS MORNING. THE
  STRONGEST WINDS ARE EXPECTED AROUND THE CLARK AREA.

* WIND...35 TO 45 MPH WITH GUSTS UP TO 65 MPH ARE EXPECTED.

* IMPACTS...HIGH WINDS WILL MAKE TRAVEL DIFFICULT AND HAZARDOUS 
  FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES. ALONG HIGHWAY 120 
  AROUND CLARK...THE CROSS WINDS WILL CAUSE A BLOW OVER THREAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ019-212300-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
230 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ALONG HIGHWAY 287
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY EARLY IN
  THE MORNING AND CONTINUE THROUGH THIS EVENING.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE 
  POSSIBLE. 

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES. STRONG CROSS WINDS 
  WILL CAUSE A BLOW OVER THREAT ALONG HIGHWAY 287. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-212300-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
230 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 THIS MORNING AND CONTINUE THROUGH
  THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  INTERSTATE 80 CORRIDOR. AREAS OF STRONG CROSS WINDS WILL CAUSE
  A BLOW OVER RISK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-212300-
/O.CON.KRIW.HW.W.0029.141221T1200Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
230 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...THIS MORNING
  AND CONTINUE THROUGH THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  HIGHWAYS 189 AND 30. AREAS OF STRONG CROSS WINDS WILL CAUSE A
  BLOW OVER RISK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ016-017-212300-
/O.NEW.KRIW.HW.A.0028.141222T0300Z-141222T1800Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
230 AM MST SUN DEC 21 2014

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING. 

* SUMMARY AND TIMING...INCREASED NORTHWEST FLOW WILL BRING
  POTENTIALLY STRONG WIND ACROSS THE AREA THIS EVENING...AND WILL
  CONTINUE THROUGH MONDAY MORNING. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE POSSIBLE.

* IMPACTS...THE POTENTIAL DEVELOPMENT OF STRONG WIND WOULD CREATE
  HAZARDOUS TRAVEL...ESPECIALLY FOR HIGH PROFILE AND LIGHTWEIGHT
  VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ010-212300-
/O.NEW.KRIW.HW.A.0028.141222T0300Z-141223T0000Z/
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...BUFFALO
230 AM MST SUN DEC 21 2014

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY
AFTERNOON. 

* SUMMARY AND TIMING...STRONG WIND DEVELOPMENT APPEARS FAVORABLE
  ACROSS NORTHERN JOHNSON COUNTY THIS EVENING AND WOULD CONTINUE
  THROUGH MONDAY EVENING.

* WIND...30 TO 40 MPH WITH GUSTS TO 60 MPH WILL BE POSSIBLE.

* IMPACTS...THE POTENTIAL DEVELOPMENT OF STRONG WIND WOULD CAUSE
  HAZARDOUS TRAVEL CONDITIONS...IMPACTING BOTH INTERSTATES 90 AND
  25. POTENTIALLY STRONG CROSS WIND MAY INCREASE THE BLOW OVER
  RISK FOR INTERSTATE 25 THROUGH NORTHERN JOHNSON COUNTY. HIGH
  PROFILE AND LIGHT WEIGHT VEHICLES ARE ESPECIALLY THREATENED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. 

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
873 
WWUS75 KRIW 211743
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1043 AM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT SOUTHERN WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES. AS
THE NORTHWEST WIND INCREASES ACROSS THE FORECAST AREA...THE
POTENTIAL EXISTS FOR STRONG WINDS TO DEVELOP ACROSS THE WIND RIVER
BASIN AND JOHNSON COUNTY THIS EVENING...AND CONTINUE THROUGH
MONDAY AFTERNOON.

WYZ003-211845-
/O.EXP.KRIW.HW.W.0029.000000T0000Z-141221T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1043 AM MST SUN DEC 21 2014

...HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING. 


$$

WYZ019-220100-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1043 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ALONG HIGHWAY 287
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY AND WILL
  CONTINUE THROUGH THIS EVENING.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE 
  POSSIBLE. 

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES. STRONG CROSS WINDS 
  WILL CAUSE A BLOW OVER THREAT ALONG HIGHWAY 287. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-220100-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1043 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 AND WILL CONTINUE THROUGH THE
  EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE INTERSTATE 80 CORRIDOR. AREAS OF STRONG CROSS WINDS WILL 
  CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-220100-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
1043 AM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...AND WILL
  CONTINUE THROUGH THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE HIGHWAYS 189 AND 30. AREAS OF STRONG CROSS WINDS WILL 
  CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ016-017-220100-
/O.CON.KRIW.HW.A.0028.141222T0300Z-141222T1800Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
1043 AM MST SUN DEC 21 2014

...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING
THROUGH MONDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING
THROUGH MONDAY MORNING. 

* SUMMARY AND TIMING...INCREASED NORTHWEST FLOW WILL BRING 
  POTENTIALLY STRONG WIND ACROSS THE AREA THIS EVENING...AND 
  WILL CONTINUE THROUGH MONDAY MORNING. 

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE 
  POSSIBLE.

* IMPACTS...THE POTENTIAL DEVELOPMENT OF STRONG WIND WOULD 
  CREATE HAZARDOUS TRAVEL...ESPECIALLY FOR HIGH PROFILE AND 
  LIGHTWEIGHT VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ010-220100-
/O.CON.KRIW.HW.A.0028.141222T0300Z-141223T0000Z/
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...BUFFALO
1043 AM MST SUN DEC 21 2014

...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING
THROUGH MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING
THROUGH MONDAY AFTERNOON. 

* SUMMARY AND TIMING...STRONG WIND DEVELOPMENT APPEARS FAVORABLE 
  ACROSS NORTHERN JOHNSON COUNTY THIS EVENING AND WOULD CONTINUE 
  THROUGH MONDAY EVENING. 

* WIND...30 TO 40 MPH WITH GUSTS TO 60 MPH WILL BE POSSIBLE.

* IMPACTS...THE POTENTIAL DEVELOPMENT OF STRONG WIND WOULD CAUSE 
  HAZARDOUS TRAVEL CONDITIONS...IMPACTING BOTH INTERSTATES 90 
  AND 25. POTENTIALLY STRONG CROSS WIND MAY INCREASE THE BLOW 
  OVER RISK FOR INTERSTATE 25 THROUGH NORTHERN JOHNSON COUNTY. 
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES ARE ESPECIALLY 
  THREATENED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
032 
WWUS75 KRIW 212039
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
139 PM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT PARTS OF WEST CENTRAL WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES FOR THE
REST OF THIS AFTERNOON AND EVENING. MOST WIND GUSTS ARE
APPROACHING 50 MPH FROM EASTERN SWEETWATER COUNTY INTO SOUTHERN
FREMONT COUNTY. IN ADDITION...GUSTY WINDS WILL OCCUR ACROSS THE
REST OF FREMONT COUNTY INTO NATRONA COUNTY LATER THIS AFTERNOON.

WYZ010-212145-
/O.CAN.KRIW.HW.A.0028.141222T0300Z-141223T0000Z/
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...BUFFALO
139 PM MST SUN DEC 21 2014

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WATCH. 

STRONG WINDS CAN STILL BE EXPECTED BY THIS EVENING...ESPECIALLY
NEAR AND NORTH OF BUFFALO. HOWEVER...THEY SHOULD REMAIN JUST BELOW
WARNING CRITERIA THROUGH TONIGHT. THEREFORE...THE HIGH WIND WATCH
IS NO LONGER IN EFFECT FOR NORTHERN JOHNSON COUNTY.

$$

WYZ016-017-212145-
/O.CAN.KRIW.HW.A.0028.141222T0300Z-141222T1800Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
139 PM MST SUN DEC 21 2014

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WATCH. 

WINDS WILL INCREASE LATER THIS AFTERNOON AND ESPECIALLY INTO THE
EVENING HOURS. WIND GUSTS TO NEAR 45 MPH ARE LIKELY FROM DUBOIS TO
JUST WEST OF RIVERTON. HOWEVER...THIS IS BELOW HIGH WIND WARNING
CRITERIA. THEREFORE...THE HIGH WIND WATCH IS NO LONGER IN EFFECT
FOR THE WIND RIVER BASIN.

$$

WYZ019-220445-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
139 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ALONG HIGHWAY 287
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY AND WILL
  CONTINUE THROUGH THIS EVENING.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES. STRONG CROSS WINDS WILL
  ALSO RESULT IN AREAS OF BLOWING SNOW FROM EXISTING SNOW COVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-220445-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
139 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 AND WILL CONTINUE THROUGH THE
  EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  INTERSTATE 80 CORRIDOR. STRONG CROSS WINDS WILL ALSO RESULT IN
  AREAS OF BLOWING SNOW FROM EXISTING SNOW COVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-220445-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
139 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...AND WILL
  CONTINUE THROUGH THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE HIGHWAYS 189 AND 30. AREAS OF STRONG CROSS WINDS WILL 
  CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
KPL
005 
WWUS75 KRIW 212053
NPWRIW

URGENT - WEATHER MESSAGE...RESENT
NATIONAL WEATHER SERVICE RIVERTON WY
152 PM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT PARTS OF WEST CENTRAL WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES FOR THE
REST OF THIS AFTERNOON AND EVENING. MOST WIND GUSTS ARE
APPROACHING 50 MPH FROM EASTERN SWEETWATER COUNTY INTO SOUTHERN
FREMONT COUNTY. IN ADDITION...GUSTY WINDS WILL OCCUR ACROSS THE
REST OF FREMONT COUNTY INTO NATRONA COUNTY LATER THIS AFTERNOON.

WYZ010-212200-
/O.CAN.KRIW.HW.A.0028.141222T0300Z-141223T0000Z/
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...BUFFALO
152 PM MST SUN DEC 21 2014

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WATCH. 

STRONG WINDS CAN STILL BE EXPECTED BY THIS EVENING...ESPECIALLY
NEAR AND NORTH OF BUFFALO. HOWEVER...THEY SHOULD REMAIN JUST BELOW
WARNING CRITERIA THROUGH TONIGHT. THEREFORE...THE HIGH WIND WATCH
IS NO LONGER IN EFFECT FOR NORTHERN JOHNSON COUNTY.

$$

WYZ016-017-212200-
/O.CAN.KRIW.HW.A.0028.141222T0300Z-141222T1800Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
152 PM MST SUN DEC 21 2014

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WATCH. 

WINDS WILL INCREASE LATER THIS AFTERNOON AND ESPECIALLY INTO THE
EVENING HOURS. WIND GUSTS TO NEAR 45 MPH ARE LIKELY FROM DUBOIS TO
JUST WEST OF RIVERTON. HOWEVER...THIS IS BELOW HIGH WIND WARNING
CRITERIA. THEREFORE...THE HIGH WIND WATCH IS NO LONGER IN EFFECT
FOR THE WIND RIVER BASIN.

$$

WYZ019-220515-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
152 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ALONG HIGHWAY 287
  FROM BEAVER RIM TO MUDDY GAP...INCLUDING JEFFREY CITY AND WILL
  CONTINUE THROUGH THIS EVENING.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES. STRONG CROSS WINDS WILL
  ALSO RESULT IN AREAS OF BLOWING SNOW FROM EXISTING SNOW COVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ028>030-220515-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
152 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 AND WILL CONTINUE THROUGH THE
  EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS FOR
  HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS THE
  INTERSTATE 80 CORRIDOR. STRONG CROSS WINDS WILL ALSO RESULT IN
  AREAS OF BLOWING SNOW FROM EXISTING SNOW COVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-220515-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
152 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...AND WILL
  CONTINUE THROUGH THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE HIGHWAYS 189 AND 30. AREAS OF STRONG CROSS WINDS WILL 
  CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
KPL
883 
WWUS75 KRIW 220407
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
907 PM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT PARTS OF WEST CENTRAL WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES FOR
THE REST OF THIS AFTERNOON AND EVENING. MOST WIND GUSTS ARE
APPROACHING 50 MPH FROM EASTERN SWEETWATER COUNTY INTO SOUTHERN
FREMONT COUNTY. IN ADDITION...GUSTY WINDS WILL OCCUR ACROSS THE
REST OF FREMONT COUNTY INTO NATRONA COUNTY LATER THIS AFTERNOON.

WYZ019-220515-
/O.CAN.KRIW.HW.W.0029.000000T0000Z-141222T0600Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
907 PM MST SUN DEC 21 2014

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. 

A COLD FRONT HAS MOVED THROUGH THE AREA THIS EVENING AND WINDS
HAVE GONE LIGHT NORTHWEST BEHIND THE FRONT.

$$

WYZ028>030-220900-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
907 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SWEETWATER
  COUNTY INCLUDING INTERSTATE 80 THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE INTERSTATE 80 CORRIDOR. STRONG CROSS WINDS WILL ALSO 
  RESULT IN AREAS OF BLOWING SNOW FROM EXISTING SNOW COVER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ027-220900-
/O.CON.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
907 PM MST SUN DEC 21 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM MST MONDAY. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE ACROSS SOUTHERN
  LINCOLN COUNTY...INCLUDING KEMMERER AND DIAMONDVILLE...THROUGH
  THE EVENING HOURS.

* WIND...30 TO 40 MPH WITH GUSTS TO NEAR 60 MPH ARE LIKELY.

* IMPACTS...HIGH WIND WILL CREATE HAZARDOUS TRAVEL CONDITIONS 
  FOR HIGH PROFILE AND LIGHT WEIGHT VEHICLES TRAVELING ACROSS 
  THE HIGHWAYS 189 AND 30. AREAS OF STRONG CROSS WINDS WILL 
  CAUSE A BLOW OVER RISK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$
933 
WWUS75 KRIW 220622
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1122 PM MST SUN DEC 21 2014

WYZ027>030-220730-
/O.CAN.KRIW.HW.W.0029.000000T0000Z-141222T0900Z/
SOUTH LINCOLN COUNTY-ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-
EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE...ROCK SPRINGS...
GREEN RIVER...WAMSUTTER
1122 PM MST SUN DEC 21 2014

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. 

HIGH WINDS HAVE ENDED ACROSS THE AREA WITH THE PASSAGE OF A COLD
FRONT THIS EVENING. 

$$

What forecasters said that day

The local office's own words before this high wind 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 high wind warning went out at Dec 20, 10:28 AM MST, 3 hours 9 minutes earlier.

Area forecast discussion, Dec 20, 10:28 AM MST, 3 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
1028 AM MST SAT DEC 20 2014

.SHORT TERM...TODAY THROUGH MONDAY NIGHT

AN INTERESTING FORECAST PERIOD WITH A LOT OF POTENTIALLY
SIGNIFICANT WEATHER DEVELOPING. A NEARLY ZONAL FLOW PATTERN IS
EXPECTED THIS MORNING AND AFTERNOON...WITH SOME MOISTURE INCREASE
SNOWFALL COVERAGE A BIT ACROSS WESTERN WYOMING.

A PACIFIC STORM SYSTEM WILL CONTINUE TO MOVE THROUGH THE
INTERMOUNTAIN WEST SATURDAY EVENING...WITH SNOWFALL INCREASING
ACROSS WESTERN WYOMING. ADDITIONALLY...AN INCREASED TEMPERATURE
GRADIENT IS EXPECTED BETWEEN CODY AND THE EASTERN PORTION OF
YELLOWSTONE NATIONAL PARK. ADDITIONAL MOUNTAIN WAVE SIGNATURES ARE
BEING DEMONSTRATED IN CURRENT MODEL ANALYSIS...WITH VERY STRONG
WIND POSSIBLE AROUND THE FAVORED CLARK AREA. A HIGH WIND WATCH IS
IN EFFECT FOR THIS LOCATION.

SNOWFALL IS EXPECTED TO INCREASE TONIGHT AND PERSIST THROUGH
MONDAY MORNING. SNOWFALL IS LOOKING TO BECOME HEAVY AT TIMES WITH
SIGNIFICANT ACCUMULATIONS POSSIBLE ACROSS THE WESTERN MOUNTAINS
AND VALLEYS. THE WINTER STORM WATCH REMAINS ACROSS THE AREA.
ADDITIONAL LOCATIONS LOOK FAVORABLE FOR THE NEED OF WINTER WEATHER
ADVISORIES...AND SNOWFALL TOTALS SHOULD BE ABLE TO BE FINALIZED
DURING THE UPCOMING SHIFT. SIMULTANEOUSLY...MODELS CONTINUE TO
INDICATE THE POTENTIAL FOR VERY STRONG WINDS ACROSS SWEETWATER
COUNTY AND INTO THE GREEN MOUNTAINS AND RATTLESNAKE RANGE SUNDAY
AFTERNOON AND EVENING. ANOTHER HIGH WIND WATCH HAS BEEN ISSUED TO
ACCOUNT FOR THESE POTENTIALLY STRONG WINDS.

SNOWFALL AND WIND IS EXPECTED TO WEAKEN MONDAY AS NORTHWEST FLOW
WORKS TO BUILD OVER THE AREA...WITH MOST ACTIVITY WANED BY MONDAY
AFTERNOON. SOME LIGHT SNOWFALL WILL REMAIN POSSIBLE ACROSS AREAS
EAST OF THE DIVIDE LATE MONDAY AS THE SYSTEM CONTINUES TO MOVE
INTO THE CENTRAL PLAINS.

.LONG TERM...TUESDAY THROUGH SATURDAY

QUITE THE MODEL DIVERGENCE TONIGHT BETWEEN THE GFS AND THE ECMWF.
THE MODELS START OUT PRETTY CLOSE THROUGH TUESDAY WITH TRANSITORY
RIDGE MOVING ACROSS THE AREA AFTER OUR SUN/MON SNOW AND WIND EVENT.
ECMWF HAS SOME MOISTURE AND UPGLIDE IN THE PATTERN ALREADY TUESDAY
SO SOME CHANCE POPS REMAIN...ESPECIALLY BY TUESDAY NIGHT. AFTER
THAT...THE CHANGES BECOME VERY SIGNIFICANT. THE 00Z GFS ALLOWS THE
CHRISTMAS EVE/CHRISTMAS DAY SYSTEM TO COME IN AT A HIGHER LATITUDE
WITH LESS RIDGING BEHIND IT. THIS SOLUTION HAS A SEWD MOVING
DISTURBANCE COMING THROUGH WITH THE MAIN EFFECT BEING STRONG TO HIGH
WIND ACROSS THE LOWER ELEVATIONS AND A QUICK SHOT OF SNOW...MAINLY
IN THE MOUNTAINS. THE ECMWF ON THE OTHER HAND IS STILL SHOWING THIS
SYSTEM DROPPING INTO THE PACNW AND THEN THE NRN GREAT BASIN AS
RIDGING DEVELOPS QUICKLY BEHIND IT. THE SYSTEM THEN CLOSES OFF OVER
SRN WYOMING ON CHRISTMAS DAY WITH WIDESPREAD SNOW SPREADING EWD AND
SWD CHRISTMAS EVE INTO EARLY CHRISTMAS DAY. THE DEVELOPMENT OF THIS
SYSTEM IS STILL A COMBINATION OF THE CURRENT TROUGH OVER THE
CENTRAL PACIFIC ACCOMPANIED BY AT LEAST A 170-180KT JET AND A
POCKET OF COLD AIR POURING SOUTH IN THE KAMCHATKA REGION. A STRONG
TROUGH WITH VERY COLD AIR BEHIND THIS SYSTEM AND A LEAD
DISTURBANCE ARE RESPONSIBLE FOR THE UPSTREAM RIDGE ALONG THE COAST
THAT THE ECMWF ESPECIALLY SHOWS. THE GFS HAS A SIMILAR SCENARIO
BUT DIVERGES SLIGHTLY NOT ALLOWING THE RIDGE TO BUILD UPSTREAM AS
MUCH. THAT MAKES ALL THE DIFFERENCE IN THE WORLD FOR OUR SENSIBLE
WEATHER. STICKING CLOSER TO THE MORE CONSISTENT ECMWF AND USUALLY
BETTER EURO IN THIS SCENARIO WHICH MEANS LITTLE CHANGE FOR OUR
GOING FORECAST. COLD BEHIND THIS SYSTEM...ESPECIALLY WITH THE
ECMWF SOLUTION FRIDAY NIGHT. ANOTHER POTENTIAL SEWD COLD MOVING
SHORTWAVE MAY MOVE INTO THE NWRN PARTS AT THE END OF THIS PERIOD.
THIS SYSTEM IS ACTUALLY THE ONE EXPECTED TO PUMP SOME WARM AIR
INTO OUR RIDGE ALONG THE COAST AND AID IN THE DIGGING OUR
CHRISTMAS SYSTEM.

.AVIATION.../18Z ISSUANCE/

EAST OF THE DIVIDE...KCOD/KCPR/KLND/KRIW/KWRL ROUTES

VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH 18Z SUNDAY AT THE
AIRPORTS. ALONG AND EAST OF THE CONTINENTAL DIVIDE OVER THE
MOUNTAINS MVFR TO IFR CEILINGS WITH VISIBILITIES REDUCED IN SNOW
AND BLOWING SNOW WILL BECOME PREVAILING ABOVE 8500 FEET WITH
WIDESPREAD MOUNTAIN OBSCURATIONS.  STRONG WEST WINDS WILL PRODUCE
AREAS OF LOW LEVEL WIND SHEAR ALONG AND NEAR THE EAST SLOPES OF
THE MOUNTAINS.

WEST OF THE DIVIDE...KBPI/KJAC/KPNA/KRKS ROUTES

MVFR TO IFR CEILINGS WITH VISIBILITIES REDUCED IN SNOW AND
BLOWING SNOW WILL BECOME PREVAILING BY 06Z WITH WIDESPREAD MOUNTAIN
OBSCURATIONS. STRONG WEST WINDS WILL PRODUCE AREAS OF LOW LEVEL
WIND SHEAR ALONG AND NEAR THE SLOPES OF THE MOUNTAINS.

.FIRE WEATHER...

A PLETHORA OF POTENTIALLY ADVERSE WEATHER CONDITIONS ARE POSSIBLE
OVER THE NEXT COUPLE DAYS. STRONG WIND MAY DEVELOP ACROSS THE CODY
FOOTHILLS LATE THIS EVENING...AND CONTINUE INTO SUNDAY MORNING.
MEANWHILE...SNOWFALL WILL INTENSIFY ACROSS THE WESTERN MOUNTAINS
AND VALLEYS...AND WILL PERSIST THROUGH MONDAY MORNING. SNOWFALL
MAY COMBINE WITH GUSTY WIND AT TIMES. AS THE SYSTEM CONTINUES TO
IMPACT THE STATE...STRONG WIND IS POSSIBLE TO DEVELOP ACROSS GREEN
MOUNTAIN AND RATTLESNAKE RANGE...ALONG WITH THE INTERSTATE 80
CORRIDOR THROUGH SWEETWATER COUNTY. THESE STRONG WINDS AND
COMBINED SNOW AND WIND WILL MAKE FOR GENERALLY UNFAVORABLE BURN
CONDITIONS.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WATCH FROM SUNDAY MORNING THROUGH SUNDAY EVENING
WYZ019-028>030.

WINTER STORM WATCH FROM THIS EVENING THROUGH MONDAY MORNING
WYZ002-014-015-025.

WINTER STORM WATCH FROM 8 PM MST THIS EVENING THROUGH MONDAY
MORNING WYZ001-012-013-023-024.

HIGH WIND WATCH FROM 8 PM MST THIS EVENING THROUGH SUNDAY
MORNING WYZ003.

&&

SHORT TERM...BRANHAM
LONG TERM...SKRBAC
AVIATION...C.BAKER
FIRE WEATHER...BRANHAM
Hazardous weather outlook, Dec 20, 3:28 AM MST, 10 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
328 AM MST SAT DEC 20 2014

WYZ001>020-022>030-211200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
328 AM MST SAT DEC 20 2014

...WINTER STORM WATCH FOR PORTIONS OF WESTERN WYOMING THIS EVENING
THROUGH MONDAY MORNING...

...HIGH WIND WATCH FOR THE CODY FOOTHILLS TONIGHT THROUGH 11 AM
SUNDAY...

...HIGH WIND WATCH SOUTHERN WYOMING SUNDAY AFTERNOON AND EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

PATCHY FOG IS POSSIBLE IN THE LOW LYING AROUND THE WIND RIVER
BASIN AND LANDER FOOTHILLS THIS MORNING...WHICH SHOULD LIFT BY THE
LATE MORNING HOURS.

STRONG WIND IS POSSIBLE ACROSS THE CODY FOOTHILLS TONIGHT...WITH
GUSTS UP TO 60 MPH POSSIBLE AROUND THE CLARK AREA. PLEASE SEE THE
HIGH WIND WATCH PRODUCT FOR ADDITIONAL DETAILS. ADDITIONALLY...
SNOWFALL ACROSS WESTERN WYOMING MAY INTENSIFY DURING THE EVENING
HOURS AND CONTINUE THROUGH THE OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SUNDAY THROUGH MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN
WESTERN WYOMING. SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE IN THE
WESTERN MOUNTAINS WITH THE LOWER ELEVATIONS AND VALLEYS POTENTIALLY
RECEIVING 5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.

VERY STRONG WINDS ARE EXPECTED ACROSS SWEETWATER COUNTY AND INTO THE
GREEN MOUNTAINS/RATTLESNAKE RANGE SUNDAY INTO MONDAY. STRONG WINDS
MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON.

WEDNESDAY NIGHT THROUGH CHRISTMAS DAY...A NEW STORM SYSTEM WILL
DEVELOP TO OUR WEST SPREADING SNOW FROM WEST TO EAST. THE POTENTIAL
FOR SIGNIFICANT SNOWFALL IS STILL A POSSIBILITY ACROSS CENTRAL
AND SOUTHWEST WYOMING ON CHRISTMAS DAY. COMPUTER MODELS HAVE
DIVERGED MORE TONIGHT SO STAY TUNED OVER THE NEXT SEVERAL DAYS ON
THIS POTENTIAL TRAVEL IMPACTING STORM.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO STRONG WINDS IN THE CODY FOOTHILLS
TONIGHT AND SNOWFALL IN THE FAR WEST. THANK YOU.

TEAM RIVERTON

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 3:07 AM MSTHigh Wind WatchRIWFremont, Natrona, Park, Sweetwater11 hr
Dec 20, 2:07 PM MSTWinter Storm WarningRIWFremont, Hot Springs, Lincoln, Park, Sublette, Teton31 hr

Nearby

High Wind Warnings in Wyoming, 2014Every high wind warning in 2014

Sources

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