Alert archive / Wyoming / High Wind Warnings in 2014

High Wind Warning 10, NWS Riverton, WY

February 16, 20145 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Feb 16, 2014, 1:35 PM MST for 5 counties in Wyoming. It took effect at Feb 16, 2014, 8:00 PM MST. It was in force for 23 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
Feb 16, 2014, 1:35 PM MST (20:35 UTC)
In effect from
Feb 16, 2014, 8:00 PM MST
Expired
Feb 17, 2014, 6:51 PM MST
In force
23 hr
Issued by
NWS Riverton, WY

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

The radar

The Riverton/Lander radar (KRIW), 37 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 31 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 2014-02-16Temperature 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 2014-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
2196 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
216 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.

356 
WWUS75 KRIW 162035
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
135 PM MST SUN FEB 16 2014

...HIGH WINDS TO RETURN TO CODY FOOTHILLS TONIGHT AND NATRONA
COUNTY ON MONDAY...

.A STRONG PRESSURE GRADIENT WITH A DEVELOPING MOUNTAIN WAVE WILL BRING
HIGH WINDS TO THE CODY FOOTHILLS AROUND 8 PM MST THIS EVENING WITH
THE HIGH WIND THREAT CONTINUING THROUGH 11 AM MST ON MONDAY. ALSO
A STRONG PRESSURE GRADIENT MAY BRING HIGH WINDS TO THE GREEN AND
RATTLESNAKE MOUNTAINS AN THE LOWER ELEVATIONS OF NATRONA COUNTY
FROM 5 AM MST THROUGH 5 PM MST MONDAY.

WYZ003-170930-
/O.UPG.KRIW.HW.A.0007.140217T0300Z-140217T1800Z/
/O.NEW.KRIW.HW.W.0010.140217T0300Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
135 PM MST SUN FEB 16 2014

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

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
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...HIGH WIND IS EXPECTED TO DEVELOP AROUND 8
  PM MST THIS EVENING AND CONTINUE THROUGH LATE MORNING MONDAY.

* WIND...WEST WINDS OF 35 TOP 45 MPH WILL GUST TO AROUND 65 MPH... 
  WITH GUSTS AROUND 75 MPH AROUND CLARK. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS ALONG HIGHWAY 120. 

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.

&&

$$

WYZ019-020-170930-
/O.CON.KRIW.HW.A.0007.140217T1200Z-140218T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
135 PM MST SUN FEB 16 2014

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON. 

* SUMMARY AND TIMING...HIGH WINDS MAY DEVELOP EARLY MONDAY 
  MORNING AND CONTINUE THROUGH THE AFTERNOON. 

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH MAY
  DEVELOP.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS. 

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.

&&

$$
6 follow-up statements
473 
WWUS75 KRIW 170350
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
850 PM MST SUN FEB 16 2014

...HIGH WINDS TO RETURN TO CODY FOOTHILLS TONIGHT AND NATRONA
COUNTY ON MONDAY...

.A STRONG PRESSURE GRADIENT WITH A DEVELOPING MOUNTAIN WAVE WILL
BRING HIGH WINDS TO THE CODY FOOTHILLS AROUND 8 PM MST THIS
EVENING WITH THE HIGH WIND THREAT CONTINUING THROUGH 11 AM MST ON
MONDAY. ALSO A STRONG PRESSURE GRADIENT MAY BRING HIGH WINDS TO
THE GREEN AND RATTLESNAKE MOUNTAINS AN THE LOWER ELEVATIONS OF
NATRONA COUNTY FROM 5 AM MST THROUGH 5 PM MST MONDAY.

WYZ003-171200-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
850 PM MST SUN FEB 16 2014

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

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

* SUMMARY AND TIMING...HIGH WIND IS EXPECTED TO DEVELOP AROUND 8
  PM MST THIS EVENING AND CONTINUE THROUGH LATE MORNING MONDAY. A
  PEAK WIND GUST OF 79 MPH WAS ALREADY MEASURED IN CLARK.  

* WIND...WEST WINDS OF 35 TOP 45 MPH WILL GUST TO AROUND 65 
  MPH... WITH GUSTS AROUND 75 MPH AROUND CLARK. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL
  BE DANGEROUS ALONG HIGHWAY 120...WITH STRONG CROSSWIND ESPECIALLY
  NEAR LANDFILL ROAD SOUTH OF CODY AND IN THE VICINITY OF CLARK.

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.

&&

$$

WYZ019-020-171200-
/O.CON.KRIW.HW.A.0007.140217T1200Z-140218T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
850 PM MST SUN FEB 16 2014

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 AM MST MONDAY THROUGH
MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 AM MST MONDAY THROUGH
MONDAY AFTERNOON. 

* SUMMARY AND TIMING...HIGH WINDS MAY DEVELOP EARLY MONDAY 
  MORNING AND CONTINUE THROUGH THE AFTERNOON. 

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH 
  MAY DEVELOP. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS. 

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.

&&

$$
973 
WWUS75 KRIW 170807
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
107 AM MST MON FEB 17 2014

...HIGH WINDS TO CONTINUE IN THE CODY FOOTHILLS TONIGHT AND
NATRONA COUNTY ON MONDAY...

.A STRONG PRESSURE GRADIENT ALONG WITH A MOUNTAIN WAVE WILL
CONTINUE THE ONGOING HIGH WINDS THROUGH THIS MORNING UNTIL 11 AM MST
TODAY. ALSO A STRONG PRESSURE GRADIENT WILL BRING HIGH WINDS TO
THE GREEN AND RATTLESNAKE MOUNTAINS AN THE LOWER ELEVATIONS OF
NATRONA COUNTY FROM 5 AM MST THROUGH 5 PM MST TODAY.

WYZ003-171800-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
107 AM MST MON FEB 17 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 WIND IS EXPECTED TO CONTINUE THROUGH
  THIS MORNING THROUGH 11 AM. A PEAK WIND GUST OF 93 MPH WAS
  ALREADY MEASURED ON THE WEST SIDE OF CLARK AT 1 AM THIS MORNING.

* WIND...WEST WINDS OF 35 TOP 45 MPH WITH GUSTS OF 60 MPH. GUSTS
  WILL REACH 65 MPH TO 75 MPH NEAR THE LANDFILL ROAD SOUTH OF
  CODY. WIND GUSTS WILL REACH 90 MPH AROUND CLARK.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS ALONG HIGHWAY 120...WITH STRONG CROSSWIND 
  ESPECIALLY NEAR LANDFILL ROAD SOUTH OF CODY AND IN THE 
  VICINITY OF CLARK. 

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.

&&

$$

WYZ019-020-171800-
/O.CON.KRIW.HW.A.0007.140217T1200Z-140218T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
107 AM MST MON FEB 17 2014

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 AM MST EARLY THIS
MORNING THROUGH THIS AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 AM MST EARLY THIS
MORNING THROUGH THIS AFTERNOON. 

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP EARLY THIS MORNING
  AND CONTINUE THROUGH THE AFTERNOON.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH WILL DEVELOP.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS. 

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.

&&

$$

LIPSON
136 
WWUS75 KRIW 171059
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
359 AM MST MON FEB 17 2014

...HIGH WINDS TO CONTINUE IN THE CODY FOOTHILLS TONIGHT AND
NATRONA COUNTY TODAY...

.A STRONG PRESSURE GRADIENT ALONG WITH A MOUNTAIN WAVE WILL
CONTINUE THE ONGOING HIGH WINDS THROUGH THIS MORNING UNTIL 11 AM
MST TODAY IN THE CODY FOOTHILLS. ALSO A STRONG PRESSURE GRADIENT WILL
BRING HIGH WINDS TO THE GREEN AND RATTLESNAKE MOUNTAINS AN THE
LOWER ELEVATIONS OF NATRONA COUNTY FROM 5 AM MST THIS MORNING THROUGH
5 PM MST THIS AFTERNOON.

WYZ019-020-171800-
/O.UPG.KRIW.HW.A.0007.140217T1200Z-140218T0000Z/
/O.EXB.KRIW.HW.W.0010.140217T1200Z-140218T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
359 AM MST MON FEB 17 2014

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM THIS MORNING UNTIL 5 PM
MST THIS AFTERNOON. THE HIGH WIND WATCH IS NO LONGER IN EFFECT.

* SUMMARY AND TIMING...HIGH WINDS WILL DEVELOP AFTER 5 AM EARLY
  THIS MORNING AND CONTINUE THROUGH 5 PM THIS AFTERNOON.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 TO 65
  MPH WILL DEVELOP.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL
  BE DANGEROUS. THIS INCLUDES TRAVEL ALONG HIGHWAY 287 FROM BEAVER
  RIM THROUGH JEFFREY CITY TO MUDDY GAP AS WELL AS ALONG HIGHWAY
  220 SOUTHWEST OUT OF CASPER TO MUDDY GAP AS WELL AS ALONG OUTER
  DRIVE JUST SOUTH OF CASPER.

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.

&&

$$

WYZ003-171800-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
359 AM MST MON FEB 17 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 WIND IS EXPECTED TO CONTINUE THROUGH
  THIS MORNING THROUGH 11 AM. A PEAK WIND GUST OF 96 MPH WAS
  ALREADY MEASURED ON THE WEST SIDE OF CLARK AT 3 AM THIS
  MORNING.

* WIND...WEST WINDS OF 35 TOP 45 MPH WITH GUSTS OF 60 MPH. GUSTS
  WILL REACH 65 MPH TO 75 MPH NEAR THE LANDFILL ROAD SOUTH OF
  CODY. WIND GUSTS WILL REACH 95 MPH AROUND CLARK.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS ALONG HIGHWAY 120...WITH STRONG CROSSWIND 
  ESPECIALLY NEAR LANDFILL ROAD SOUTH OF CODY AND IN THE 
  VICINITY OF CLARK. 

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.

&&

$$

LIPSON
954 
WWUS75 KRIW 171444
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
744 AM MST MON FEB 17 2014

...HIGH WINDS TO CONTINUE IN THE CODY FOOTHILLS...SOUTHERN JOHNSON
AND NATRONA COUNTIES TODAY...

.A STRONG PRESSURE GRADIENT ALONG WITH A MOUNTAIN WAVE WILL
CONTINUE THE ONGOING HIGH WINDS THROUGH THIS MORNING UNTIL 11 AM
MST TODAY IN THE CODY FOOTHILLS. ALSO A STRONG PRESSURE GRADIENT
WILL BRING HIGH WINDS TO THE GREEN AND RATTLESNAKE MOUNTAINS AN
THE LOWER ELEVATIONS OF SOUTHERN JOHNSON AND NATRONA COUNTIES THROUGH
8 PM MST THIS EVENING.

WYZ011-172300-
/O.EXB.KRIW.HW.W.0010.000000T0000Z-140218T0300Z/
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...KAYCEE
744 AM MST MON FEB 17 2014

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE THROUGH 8 PM THIS
  AFTERNOON.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 TO 65 
  MPH WILL DEVELOP. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL
  BE DANGEROUS. THIS INCLUDES TRAVEL ALONG INTERSTATE 25.

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.

&&

$$

WYZ019-020-172300-
/O.EXT.KRIW.HW.W.0010.000000T0000Z-140218T0300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
744 AM MST MON FEB 17 2014

...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 PM MST THIS EVENING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 8 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE THROUGH 8 PM THIS
  AFTERNOON.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 TO 65 
  MPH WILL DEVELOP. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL
  BE DANGEROUS. THIS INCLUDES TRAVEL ALONG HIGHWAY 287 FROM BEAVER
  RIM THROUGH JEFFREY CITY TO MUDDY GAP AS WELL AS ALONG HIGHWAY
  220 SOUTHWEST OUT OF CASPER TO MUDDY GAP AS WELL AS ALONG OUTER
  DRIVE JUST SOUTH OF CASPER...AND HIGHWAY 20 AND 26 FROM MONETA
  TO CASPER.

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.

&&

$$

WYZ003-171800-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
744 AM MST MON FEB 17 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 WIND IS EXPECTED TO CONTINUE THROUGH
  THIS MORNING THROUGH 11 AM. A PEAK WIND GUST OF 99 MPH WAS
  MEASURED ON THE WEST SIDE OF CLARK AT 410 AM THIS MORNING.

* WIND...WEST WINDS OF 35 TOP 45 MPH WITH GUSTS OF 60 MPH. GUSTS 
  WILL REACH 65 MPH TO 75 MPH NEAR THE LANDFILL ROAD SOUTH OF 
  CODY. WIND GUSTS WILL REACH 95 MPH AROUND CLARK. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS ALONG HIGHWAY 120...WITH STRONG CROSSWIND 
  ESPECIALLY NEAR LANDFILL ROAD SOUTH OF CODY AND IN THE 
  VICINITY OF CLARK. 

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.

&&

$$
795 
WWUS75 KRIW 171753
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1053 AM MST MON FEB 17 2014

...HIGH WINDS TO CONTINUE IN SOUTHERN JOHNSON AND NATRONA
COUNTIES TODAY...

.A STRONG PRESSURE GRADIENT WILL BRING HIGH WINDS TO THE GREEN
AND RATTLESNAKE MOUNTAINS AN THE LOWER ELEVATIONS OF SOUTHERN
JOHNSON AND NATRONA COUNTIES THROUGH 8 PM MST THIS EVENING.

WYZ003-171900-
/O.EXP.KRIW.HW.W.0010.000000T0000Z-140217T1800Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1053 AM MST MON FEB 17 2014

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

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


$$

WYZ019-020-180300-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140218T0300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...JEFFREY CITY...CASPER
1053 AM MST MON FEB 17 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE THROUGH 8 PM THIS 
  EVENING.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 TO 65
  MPH WILL BLOW.

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS. THIS INCLUDES TRAVEL ALONG HIGHWAY 287 FROM 
  BEAVER RIM THROUGH JEFFREY CITY TO MUDDY GAP AS WELL AS ALONG 
  HIGHWAY 220 SOUTHWEST OUT OF CASPER TO MUDDY GAP AS WELL AS 
  ALONG OUTER DRIVE JUST SOUTH OF CASPER...AND HIGHWAY 20 AND 26 
  FROM MONETA TO CASPER. 

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.

&&

$$

WYZ011-180300-
/O.CON.KRIW.HW.W.0010.000000T0000Z-140218T0300Z/
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF...KAYCEE
1053 AM MST MON FEB 17 2014

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...HIGH WINDS WILL CONTINUE THROUGH 8 PM THIS 
  EVENING.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 TO 65 
  MPH WILL DEVELOP. 

* IMPACTS...TRAVEL IN LIGHT WEIGHT AND HIGH PROFILE VEHICLES 
  WILL BE DANGEROUS. THIS INCLUDES TRAVEL ALONG INTERSTATE 25. 

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.

&&

$$
897 
WWUS75 KRIW 180151
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
651 PM MST MON FEB 17 2014


WYZ011-019-020-180300-
/O.CAN.KRIW.HW.W.0010.000000T0000Z-140218T0300Z/
SOUTHEAST JOHNSON COUNTY-GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF...KAYCEE...JEFFREY CITY...CASPER
651 PM MST MON FEB 17 2014

...HIGH WIND WARNING IS CANCELLED...

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

THE STRONG WIND HAS DECREASED ACROSS THE REGION. A WEST TO
SOUTHWEST WIND OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL OCCUR THE
REST OF THE EVENING. WIND GUSTS IN THE GREEN MOUNTAINS AND
RATTLESNAKE RANGE MY REACH 55 MPH AT TIMES.

$$

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 Feb 16, 11:38 AM MST, 1 hour 57 minutes earlier.

Area forecast discussion, Feb 16, 11:38 AM MST, 1 hour 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
1138 AM MST SUN FEB 16 2014

.SHORT TERM...TODAY THROUGH TUESDAY NIGHT

EXPIRED HIGH WIND WARNING FOR CODY FOOTHILLS AT 11 AM MST. ISSUED
HIGH WIND WATCH FOR CODY FOOTHILLS FROM 8 PM THIS EVENING THROUGH
11 AM MST MONDAY AS ANOTHER HIGH WIND EVENT SHOULD SET UP.  ALSO
ISSUED HIGH WIND WATCH FOR GREEN AND RATTLESNAKE MOUNTAINS AND
LOWER ELEVATIONS OF NATRONA COUNTY FROM 5 AM MST THROUGH 5 PM MST
MONDAY AS PRESSURE GRADIENT INCREASES.

PREVIOUS DISCUSSION...
WEST OF THE DIVIDE...

WILL KEEP ADVISORIES GOING IN THE WESTERN MOUNTAINS THROUGH 00Z THIS
EVENING GIVEN THE BACKING TIGHTENING WEST SOUTHWESTERLY DIFLUENT
FLOW COUPLED WITH Q VECTOR FORCING AND THE INSTABILITY AHEAD OF THE
TROUGHPA/SFC FROPA DUE THROUGH AT 00Z MONDAY. PIH RADAR IS FILLING IN
AND STEADY SNOWFALL SHOULD ENSUE IN FAR WESTERN WY
SHORTLY...BECOMING MORE SHOWERY WITH HEAVIER SNOW BURSTS THIS
AFTERNOON AS THE FROPA NEARS. THE RAIN SNOW LINE SHOULD RUN AROUND
THE 5500 TO 6000 FOOT LEVEL SO THE VALLEYS ARE NOT CANDIDATES FOR AN
ADVISORY. AFTER THIS WEATHER FEATURE EXITS TO THE EAST...RESIDUAL
SNOWFALL WILL DECREASE IN NW WY TONIGHT. MONDAY WILL BE THE DRIEST
DAY IN A WHILE BETWEEN WEATHER SYSTEMS AS A FLAT RIDGE MOVES EAST
OVER THE AREA. THEN SNOWFALL WILL INCREASE ONCE AGAIN IN NW WYOMING
MONDAY NIGHT AS A LOW AMPLITUDE SHORT WAVE TRACKS EAST IN THE
CONTINUED PROGRESSIVE WESTERLY FLOW. SNOWFALL WILL CONTINUE IN
NORTHWEST WY AND WILL SPREAD SOUTH TO OTHER AREAS OF WESTERN WY
TUESDAY. BY TUESDAY NIGHT...SNOWFALL IN THE FAR WEST WILL INCREASE
IN INTENSITY AND BECOME MORE WIDESPREAD ALONG WITH A GOOD
PROBABILITY OF SIGNIFICANT ACCUMULATING SNOW AS A MORE ROBUST
SHORTWAVE TROUGH APPROACHES WY. TEMPERATURES WILL BE RATHER MILD
TODAY BUT THEN COOL OFF A FEW DEGREES MONDAY BEHIND THIS EVENINGS
PACIFIC COOL FRONT. TUESDAY WILL BE SLIGHTLY MILDER.

EAST OF THE DIVIDE...

WIND WILL BE THE MAIN STORY. WILL CONTINUE THE HIGH WIND WARNING FOR
THE CODY FOOTHILLS. THE SENSOR ON THE WEST SIDE OF CLARK JUST
REACHED A GUST OF 70 MPH. CROSS SECTIONS INDICATE HINTS OF A
MOUNTAIN WAVE AND THE FROUDE NUMBER IS PROGGED TO BE CLOSE TO ONE
AROUND 12Z THIS MORNING. NOT ENOUGH OF A 700MB TEMP GRADIENT BETWEEN
YNP AND THE CODY FOOTHILLS AS ADVERTISED BY THE WRF TO PRODUCE
CLASSIC GAP FLOW. AFTER 0700 THIS MORNING...THE CODY FOOTHILL WINDS
AROUND CLARK SHOULD DIMINISH. A SHORTWAVE TROUGH WILL DRIVE A STRONG
PACIFIC COLD FRONT FROM WEST TO EAST ACROSS WYOMING THIS EVENING
ALONG WITH SPILL OVER RAIN AND SNOW SHOWERS FROM ACROSS THE DIVIDE.
SOME CONCENTRATED CONVECTIVE SNOW BANDS WHICH COULD LAY DOWN 1 OR 2
INCHES OF SNOW COULD FORM OFF THE BRIDGER AND THE SOUTHERN BIG HORN
MOUNTAINS WHICH WOULD AFFECT SOUTHERN JOHNSON AND PORTIONS OF
NATRONA COUNTIES. A BACKDOOR COLD FRONT FOLLOWING THE PACIFIC FRONT
WILL ADD TO THE SURFACE CONVERGENCE FOR THESE SNOW SHOWERS IN OUR
EASTERN ZONES. 7 TO 9MB 3 HOURLY POST FRONTAL SFC PRESSURE RISES WILL
OCCUR THIS EVENING INCREASING AND VEERING THE WINDS ALMOST
EVERYWHERE. MONDAY APPEARS TO BE EVEN MORE PROMISING AS A WIND DAY
FROM RKS TO CPR AND ON THE HIGHER ELEVATIONS...ESP ON THE EAST SLOPE
OF THE DVD AND SURROUNDING FTHLS GIVEN THE 60 KNOT 700MB WINDS.
CASPER MET MOS GUIDANCE IS ADVERTISING 30 KNOT SUSTAINED WINDS FOR
CPR AT 15Z MONDAY. DRY WEATHER WILL BE THE RULE MONDAY THROUGH
TUESDAY NIGHT ALONG WITH CONTINUED BRISK WEST SOUTHWEST WINDS IN THE
WIND PRONE AREAS. TEMPERATURES WILL REMAIN RATHER MILD THROUGH THE
PERIOD.

.LONG TERM...WEDNESDAY THROUGH SUNDAY

PATTERN TRANSITIONING TO A COLDER AND COLDER NW FLOW AS THE
PERSISTENT GULF OF ALASKA LOW GETS KICKED EWD AND SEWD INTO OUR AREA
AS A RIDGE BUILDS IN ACROSS THE SAME AREA LATE IN THE WEEK. OUR
FIRST SYSTEM IN THE MEDIUM RANGE PERIOD ON WEDNESDAY ROTATES AROUND
THE GULF OF ALASKA LOW AND BRINGS A DECENT SHOT OF SNOW TO THE WEST
WITH A CHANCE EAST OF THE DIVIDE...ESPECIALLY SOUTH AND NEAR THE
MOUNTAINS. STRONG TO HIGH WIND AHEAD OF AND WITH FROPA STILL LOOKS
GOOD. THE GULF OF ALASKA LOW GETS KICKED OUT AND HEADS TOWARDS US
THURSDAY INTO FRIDAY. INITIAL LEAD SYSTEM BRINGS ANOTHER SHOT OF
COLDER WEATHER AND SNOW TO THE WEST THURSDAY WITH AT LEAST A CHANCE
SPREADING EAST OF THE DIVIDE THURSDAY NIGHT AND FRIDAY. EACH SYSTEM
BRINGS IN COLDER AND COLDER AIR PEAKING FRIDAY AND SATURDAY. BEHIND
THE MAIN SYSTEM FRIDAY THERE MAY BE THE TRADITIONAL SHORTWAVE IN THE
COLD NW FLOW SATURDAY THAT WILL HAVE TO BE WATCHED FOR SNOW SHOWERS
ALONG ITS PATH. ECMWF AND GFS BOTH SHOW HEIGHTS RISING ENOUGH SUNDAY
TO DRY OUT MOST OF THE AREA WITH JUST A FEW MOUNTAIN FLURRIES
LINGERING. QUITE COLD FRIDAY AND SATURDAY WITH HIGHS ONLY IN THE
UPPER TEENS AND 20S WITH A FEW SINGLE DIGITS IN THE HIGH COUNTRY. A
LITTLE MODERATION FOR SUNDAY.

.AVIATION.../18Z ISSUANCE/

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

VERY STRONG WEST WINDS ARE EXPECTED IN THE VCNTY OF KCOD ALONG WITH
TURBULENCE/WIND SHEAR. A STRONG COLD FRONT WILL PUSH EAST ACROSS
CENTRAL WYOMING THIS AFTERNOON. WINDS AND AREAS OF LLWS WILL
CONTINUE TO INCREASE AHEAD OF THE FRONT IN MOST AREAS. VFR
CONDITIONS WILL PREVAIL WITH A BAND OF SCT-NMRS MVFR/IFR -SHSN
WILL ACCOMPANY THE FRONT PRIMARILY FROM 20Z SUN THROUGH 03Z
MONDAY. MOST TERMINALS WILL SEE A QUICK PASSING OF THESE
CONDITIONS FOR AN HOUR OR TWO...BUT MVFR/IFR CONDITIONS MAY LINGER
LONGER VCNTY KCPR EARLY SUNDAY EVENING. VFR CONDITIONS WITH
UNLIMITED CIGS WILL PREVAIL AFTER 03Z MONDAY.

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

A STRONG COLD FRONT WILL PUSH THROUGH THE AREA. SNOW WILL
INCREASE AHEAD OF THE FRONT WITH WIDESPREAD IFR/LIFR CONDITIONS
EXPECTED WITH THE FRONTAL PASSAGE FROM 18Z-00Z VCNTY AND NORTH OF
KBPI. RAPID CLEARING WILL OCCUR BEHIND THE FRONT MID TO LATE
AFTERNOON WITH MTS ABOVE 9KFT REMAINING MOSTLY OBSCURED IN -SHSN.
THESE LINGERING -SHSN SHOULD RAPIDLY DISSIPATED AFTER SUNSET
SUNDAY EVENING.

.FIRE WEATHER...

HEAVY SNOWFALL IS EXPECTED IN THE WESTERN WYOMING MOUNTAINS
TODAY. SOME RAIN AND SNOW SHOWERS WILL SPILL OVER TO THE EAST SIDE
OF THE DIVIDE THIS EVENING. VERY STRONG WEST WINDS IN THE AREA
AROUND CLARK IN ZONE 276 CAN BE EXPECTED THIS MORNING. BRISK
VEERING WINDS WILL BE EXPERIENCED IN ALMOST EVERY ZONE THIS
EVENING DURING THE PASSAGE OF A COOL FRONT. VERY WINDY WEST
SOUTHWEST WINDS ARE EXPECTED MONDAY FROM ROCK SPRINGS TO CASPER
AND ON THE HIGHER ELEVATIONS...ESPECIALLY ON THE EAST SLOPE OF THE
DIVIDE AND SURROUNDING FOOTHILLS. TEMPERATURES WILL REMAIN RATHER
MILD THROUGH THE PERIOD.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 5 PM MST THIS AFTERNOON
WYZ001-002-012-014-024.

HIGH WIND WATCH FROM LATE TONIGHT THROUGH MONDAY AFTERNOON
WYZ019-020.

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

&&

SHORT TERM...LIPSON
LONG TERM...SKRBAC
AVIATION...C.BAKER
FIRE WEATHER...LIPSON
Hazardous weather outlook, Feb 16, 11:30 AM MST, 2 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
1130 AM MST SUN FEB 16 2014

WYZ001>020-022>030-171200-
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-
1130 AM MST SUN FEB 16 2014

...WINTER WEATHER ADVISORY IN EFFECT FOR THE WESTERN MOUNTAINS
FOR TODAY...

...HIGH WIND WATCH IN EFFECT FOR THE CODY FOOTHILLS THIS
EVENING THROUGH MONDAY MORNING...

...HIGH WIND WATCH IN EFFECT FOR NATRONA COUNTY AND THE GREEN AND
RATTLESNAKE RANGE MONDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ANOTHER POTENTIAL FOR HEAVY SNOWFALL IS EXPECTED IN THE TETON
AND GROS VENTRE RANGE TODAY. PLEASE SEE THE WINTER WEATHER
ADVISORY FOR DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

STRONG TO POTENTIALLY DAMAGING WIND AT TIMES...MAINLY IN THE WIND
CORRIDOR FROM ROCK SPRINGS TO CASPER...AS WELL AS THE EASTERN SLOPES
OF THE ABSAROKA MOUNTAINS AND THE CODY FOOTHILLS ARE POSSIBLE
MONDAY. PLEASE SEE THE HIGH WIND WATCHES FOR DETAILS.

TUESDAY NIGHT AND WEDNESDAY...SIGNIFICANT SNOWFALL POSSIBLE ACROSS
THE WEST WITH STRONG TO HIGH WIND EAST OF THE DIVIDE.

THURSDAY NIGHT AND FRIDAY...A COLD STORM SYSTEM MAY BRING
SIGNIFICANT SNOWFALL TO THE WEST AND STRONG WIND EAST OF THE DIVIDE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS AND WIND SPEEDS
OF AT LEAST 50 MPH. THANK YOU.

TEAM RIVERTON

In the hours before

Special weather statement, Feb 16, 11:46 AM MST, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1146 AM MST SUN FEB 16 2014

WYZ020-162200-
NATRONA COUNTY LOWER ELEVATIONS-
1146 AM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS NATRONA COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ016>018-162200-
LANDER FOOTHILLS-UPPER WIND RIVER BASIN-WIND RIVER BASIN-
1146 AM MST SUN FEB 16 2014

GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP THIS AFTERNOON AND BLOW
INTO THE EVENING HOURS. SUSTAINED WINDS OF 30 TO 35 MPH WITH GUSTS TO
50 TO 55 MPH WILL BE POSSIBLE ACROSS FREMONT COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ019-162200-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
1146 AM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS THE GREEN MOUNTAINS
AND THE RATTLESNAKE RANGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ028>030-162200-
EAST SWEETWATER COUNTY-FLAMING GORGE-ROCK SPRINGS AND GREEN RIVER-
1146 AM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS SWEETWATER COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ025>027-162200-
SOUTH LINCOLN COUNTY-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-
1146 AM MST SUN FEB 16 2014

GUSTY WEST TO NORTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS SUBLETTE COUNTY
AND SOUTHERN LINCOLN COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ010-011-162200-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
1146 AM MST SUN FEB 16 2014

GUSTY NORTH TO NORTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS JOHNSON COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ004-162200-
NORTH BIG HORN BASIN-
1146 AM MST SUN FEB 16 2014

GUSTY NORTH TO NORTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
CONTINUE INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS BIG HORN COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ023-162200-
STAR VALLEY-
1146 AM MST SUN FEB 16 2014

A WEAK THUNDERSTORM IN EASTERN IDAHO WILL MOVE ACROSS THE STAR VALLEY
THROUGH 1 PM MST WITH HEAVY RAIN AND SNOW.  WIND GUSTS OF 45 MPH
AND DANGEROUS LIGHTNING ARE EXPECTED.

TEAM RIVERTON
Special weather statement, Feb 16, 12:50 PM MST, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1250 PM MST SUN FEB 16 2014

WYZ020-170100-
NATRONA COUNTY LOWER ELEVATIONS-
1250 PM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL CONTINUE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 55 MPH WILL BE POSSIBLE ACROSS NATRONA COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ016>018-170100-
LANDER FOOTHILLS-UPPER WIND RIVER BASIN-WIND RIVER BASIN-
1250 PM MST SUN FEB 16 2014

GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THIS AFTERNOON AND BLOW
INTO THE EVENING HOURS. SUSTAINED WINDS OF 30 TO 35 MPH WITH GUSTS TO
55 MPH WILL BE POSSIBLE ACROSS FREMONT COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ019-170100-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
1250 PM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL CONTINUE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 55 MPH WILL BE POSSIBLE ACROSS THE GREEN MOUNTAINS
AND THE RATTLESNAKE RANGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ028>030-170100-
EAST SWEETWATER COUNTY-FLAMING GORGE-ROCK SPRINGS AND GREEN RIVER-
1250 PM MST SUN FEB 16 2014

GUSTY WEST TO SOUTHWEST WINDS WILL CONTINUE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 55 MPH WILL BE POSSIBLE ACROSS SWEETWATER COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ025>027-170100-
SOUTH LINCOLN COUNTY-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-
1250 PM MST SUN FEB 16 2014

GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 55 MPH WILL BE POSSIBLE ACROSS SUBLETTE COUNTY
AND SOUTHERN LINCOLN COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ010-011-170100-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
1250 PM MST SUN FEB 16 2014

GUSTY NORTH TO NORTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS JOHNSON COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

WYZ004-170100-
NORTH BIG HORN BASIN-
1250 PM MST SUN FEB 16 2014

GUSTY NORTH TO NORTHWEST WINDS WILL INCREASE THIS AFTERNOON AND
BLOW INTO THIS EVENING. SUSTAINED WINDS OF 30 TO 35 MPH WITH
GUSTS TO 50 TO 55 MPH WILL BE POSSIBLE ACROSS BIG HORN COUNTY.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY CAUTIOUS
DUE TO STRONG...SUDDEN CROSSWIND GUSTS.

TEAM RIVERTON

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 11:29 AM MSTHigh Wind WatchRIWFremont, Natrona, Park, Sweetwater17 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.