Alert archive / Wyoming / High Wind Warnings in 2013

High Wind Warning 8, NWS Riverton, WY

September 29, 20136 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Sep 29, 2013, 9:18 AM MDT for 6 counties in Wyoming. It was in force for 33 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
Sep 29, 2013, 9:18 AM MDT (15:18 UTC)
Expired
Sep 30, 2013, 6:00 PM MDT
In force
33 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Hot Springs County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 19 km from the middle of the area, began a volume at 15:15 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, 3.3 hours before the alert went out and 25 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 2013-09-29Temperature 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 2013-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 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
1885 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
250 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.

297 
WWUS75 KRIW 291518
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
918 AM MDT SUN SEP 29 2013

...STRONG WINDS POSSIBLE ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TONIGHT AND MONDAY...

.STRONG WINDS ALOFT HAVE THE POTENTIAL TO MIX TO THE SURFACE FROM
TODAY THROUGH MONDAY FOR THE EAST SLOPE OF THE CONTINENTAL DIVIDE
AND THE ADJACENT FOOTHILLS AS WELL AS OVER THE GREEN AND
RATTLESNAKE RANGE AND NATRONA COUNTY INCLUDING CASPER.

WYZ002-003-292330-
/O.UPG.KRIW.HW.A.0003.130930T0000Z-130930T1800Z/
/O.NEW.KRIW.HW.W.0008.130929T1518Z-130930T1900Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
918 AM MDT SUN SEP 29 2013

...HIGH WIND WARNING IN EFFECT UNTIL 1 PM MDT MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 1 PM MDT MONDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WEST TO SOUTHWEST WINDS WILL BE STRONG
  THROUGH THIS MORNING. WINDS MAY SUBSIDE SOMEWHAT IN THE
  AFTERNOON BEFORE BECOMING INCREASING BY SUNSET TONIGHT AND
  CONTINUE THROUGH NOON ON MONDAY.

* WIND...IN THE CODY FOOTHILLS 40 MPH WITH GUSTS TO 60 MPH LIKELY.
  IN THE ABSAROKA MOUNTAINS AND ALONG THE CLARKS FORK GAP WEST OF
  CLARK 50 MPH WITH GUSTS TO 75 MPH LIKELY.

* IMPACTS...TRAVEL ALONG THE CHIEF JOSEPH HIGHWAY AS WELL AS 
  ALONG HIGHWAY 120 BETWEEN MILE MARKERS 120 AND 122 WILL BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&


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.

&&

$$

WYZ015-016-018-292330-
/O.CON.KRIW.HW.A.0003.130930T0000Z-130930T1800Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...LANDER
918 AM MDT SUN SEP 29 2013

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH MONDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH MONDAY MORNING. 

* SUMMARY AND TIMING...SOUTHWEST WINDS MAY INCREASE BY SUNSET 
  TONIGHT AND CONTINUE THROUGH NOON ON MONDAY. 

* WIND...IN THE WIND RIVER MOUNTAINS 50 MPH WITH GUSTS TO 70 MPH 
  POSSIBLE. ALONG THE HIGHER TERRAIN OF THE LANDER FOOTHILLS 
  ABOVE LANDER AS WELL AS THE UPPER WIND RIVER BASIN INCLUDING 
  DUBOIS 40 MPH WITH GUSTS TO 60 MPH POSSIBLE. 

* IMPACTS...TRAVEL ALONG HIGHWAYS 287 AND 26 MAY BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. ADDITIONAL LARGE 
  BRANCHES THAT HAVE ALREADY BEEN LOOSENED FROM FRIDAYS SNOW 
  EVENT COULD FALL ONTO PARKED AUTOMOBILES AND HOMES. 

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.

&&

$$

WYZ019-292330-
/O.CON.KRIW.HW.A.0003.130930T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
918 AM MDT SUN SEP 29 2013

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
THROUGH MONDAY AFTERNOON. 

* SUMMARY AND TIMING...SOUTHWEST WINDS MAY INCREASE BY SUNSET 
  TONIGHT AND CONTINUE THROUGH MONDAY. 

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO 
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM 
  MAY BECOME HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ020-292330-
/O.CON.KRIW.HW.A.0003.130930T1200Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
918 AM MDT SUN SEP 29 2013

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS MAY INCREASE BY MONDAY 
  MORNING SUNRISE AND CONTINUE DURING THE DAY MONDAY. 

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER... 
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF 
  CASPER MAY BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS. 
  WYOMING BOULEVARD JUST SOUTH OF CASPER COULD BE ESPECIALLY 
  SUSCEPTIBLE TO THESE WINDS. 

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
461 
WWUS75 KRIW 292105
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
305 PM MDT SUN SEP 29 2013

...STRONG WINDS POSSIBLE ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TONIGHT AND MONDAY...

.STRONG WINDS ALOFT WILL TO MIX TO THE SURFACE FROM TONIGHT THROUGH
MONDAY FOR THE EAST SLOPE OF THE CONTINENTAL DIVIDE AND THE
ADJACENT FOOTHILLS AS WELL AS OVER THE GREEN AND RATTLESNAKE RANGE
AND POSSIBLY FOR NATRONA COUNTY INCLUDING CASPER.

WYZ015-016-018-301000-
/O.UPG.KRIW.HW.A.0003.130930T0000Z-130930T1800Z/
/O.EXB.KRIW.HW.W.0008.130930T0000Z-130930T1800Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...LANDER
305 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TONIGHT AND
  CONTINUE THROUGH NOON ON MONDAY.

* WIND...IN THE WIND RIVER MOUNTAINS 50 MPH WITH GUSTS TO 70 MPH.
  ALONG THE HIGHER TERRAIN OF THE LANDER FOOTHILLS ABOVE LANDER AS
  WELL AS THE UPPER WIND RIVER BASIN INCLUDING DUBOIS 40 MPH WITH
  GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAYS 287 AND 26 MAY BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. ADDITIONAL LARGE 
  BRANCHES THAT HAVE ALREADY BEEN LOOSENED FROM FRIDAYS SNOW 
  EVENT COULD FALL ONTO PARKED AUTOMOBILES AND HOMES. 

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.

&&

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.

&&

$$

WYZ019-301000-
/O.UPG.KRIW.HW.A.0003.130930T0000Z-131001T0000Z/
/O.EXB.KRIW.HW.W.0008.130930T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
305 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TONIGHT AND
  CONTINUE THROUGH MONDAY.

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO 
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM 
  MAY BECOME HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

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.

&&

$$

WYZ002-003-301000-
/O.EXT.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
305 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING NOW IN EFFECT UNTIL NOON MDT MONDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL NOON MDT MONDAY. 

* SUMMARY AND TIMING...WINDS WILL CONTINUE TONIGHT AND THROUGH NOON
  ON MONDAY.

* WIND...IN THE CODY FOOTHILLS 40 MPH WITH GUSTS TO 60 MPH 
  LIKELY. IN THE ABSAROKA MOUNTAINS AND ALONG THE CLARKS FORK 
  GAP WEST OF CLARK 50 MPH WITH GUSTS TO 75 MPH LIKELY. 

* IMPACTS...TRAVEL ALONG THE CHIEF JOSEPH HIGHWAY AS WELL AS 
  ALONG HIGHWAY 120 BETWEEN MILE MARKERS 120 AND 122 WILL BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

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.

&&

$$

WYZ020-301000-
/O.CON.KRIW.HW.A.0003.130930T1200Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
305 PM MDT SUN SEP 29 2013

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS MAY INCREASE BY MONDAY 
  MORNING SUNRISE AND CONTINUE DURING THE DAY MONDAY. 

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER... 
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF 
  CASPER MAY BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS. 
  WYOMING BOULEVARD JUST SOUTH OF CASPER COULD BE ESPECIALLY 
  SUSCEPTIBLE TO THESE WINDS. 

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.

&&

$$
142 
WWUS75 KRIW 300105
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
705 PM MDT SUN SEP 29 2013

...STRONG WINDS POSSIBLE ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TONIGHT AND MONDAY...

.STRONG MOUNTAIN TOP WINDS WILL MIX DOWN TO THE SURFACE TONIGHT
THROUGH MONDAY MORNING. THE STRONGEST WINDS ARE EXPECTED EARLY
MONDAY MORNING ALONG THE EAST SLOPES OF THE WIND RIVER AND
ABSAROKA RANGES AND ADJACENT FOOTHILLS.  WINDS WILL INCREASE
ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY INCLUDING CASPER
AFTER MIDNIGHT WITH THE STRONGEST WINDS EXPECTED FROM AROUND
SUNRISE MONDAY THROUGH THE EARLY AFTERNOON.

WYZ020-301000-
/O.UPG.KRIW.HW.A.0003.130930T1200Z-131001T0000Z/
/O.EXB.KRIW.HW.W.0008.130930T0600Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
705 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE AFTER
  MIDNIGHT...THE STRONGEST WIND EXPECTED FROM AROUND SUNRISE
  MONDAY THROUGH EARLY MONDAY AFTERNOON. 

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER...
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF
  CASPER WILL BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS.
  WYOMING BOULEVARD JUST SOUTH OF CASPER WILL BE ESPECIALLY
  SUSCEPTIBLE TO THESE WINDS.

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.

&&

$$

WYZ002-003-301000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
705 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. 

* SUMMARY AND TIMING...WINDS WILL STRENGTHEN TONIGHT WITH THE
  STRONGEST WINDS EXPECTED AFTER MIDNIGHT THROUGH AROUND 9 AM
  MONDAY. 

* WIND...IN THE CODY FOOTHILLS 40 MPH WITH GUSTS TO 60 MPH 
  LIKELY. IN THE ABSAROKA MOUNTAINS AND ALONG THE CLARKS FORK 
  GAP WEST OF CLARK 50 MPH WITH GUSTS TO 75 MPH LIKELY. 

* IMPACTS...TRAVEL ALONG THE CHIEF JOSEPH HIGHWAY AS WELL AS 
  ALONG HIGHWAY 120 BETWEEN MILE MARKERS 120 AND 122 WILL BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ015-016-018-301000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...LANDER
705 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TONIGHT AND
  CONTINUE THROUGH NOON ON MONDAY. THE STRONGEST WIND IS EXPECTED
  FROM MIDNIGHT UNTIL AROUND 9 AM MONDAY.  

* WIND...IN THE WIND RIVER MOUNTAINS 50 MPH WITH GUSTS TO 70 
  MPH. ALONG THE HIGHER TERRAIN OF THE LANDER FOOTHILLS ABOVE 
  LANDER AS WELL AS THE UPPER WIND RIVER BASIN INCLUDING DUBOIS 
  40 MPH WITH GUSTS TO 60 MPH. 

* IMPACTS...TRAVEL ALONG HIGHWAYS 287 AND 26 WILL BECOME
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. ADDITIONAL LARGE
  BRANCHES THAT HAVE ALREADY BEEN LOOSENED FROM FRIDAYS SNOW EVENT
  COULD FALL ONTO PARKED AUTOMOBILES AND HOMES.

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.

&&

$$

WYZ019-301000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
705 PM MDT SUN SEP 29 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT MONDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE TONIGHT AND
  CONTINUE THROUGH MONDAY. THE STRONGEST WIND IS EXPECTED FROM
  AROUND SUNRISE MONDAY UNTIL EARLY MONDAY AFTERNOON.

* WIND...SOUTHWEST WINDS 40 TO 50 MPH WITH GUSTS TO 60 TO 70 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM WILL
  BE HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS.

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.

&&

$$
624 
WWUS75 KRIW 300939
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
339 AM MDT MON SEP 30 2013

...STRONG WINDS EXPECTED ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TODAY...

.STRONG MOUNTAIN TOP WINDS WILL MIX DOWN TO THE SURFACE THIS
MORNING. THE STRONGEST WINDS ARE EXPECTED EARLY THIS MORNING
ALONG THE EAST SLOPES OF THE WIND RIVER AND ABSAROKA RANGES AND
ADJACENT FOOTHILLS. WINDS WILL INCREASE ACROSS THE LOWER
ELEVATIONS OF NATRONA COUNTY INCLUDING CASPER ALONG WITH CONTINUED
STRONG WINDS IN THE GREEN AND RATTLESNAKE MOUNTAINS THIS MORNING
WITH THE STRONGEST WINDS EXPECTED FROM AROUND SUNRISE MONDAY
THROUGH THE EARLY AFTERNOON.

WYZ002-003-301800-
/O.CON.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
339 AM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

* SUMMARY AND TIMING...WINDS WILL STRENGTHEN AGAIN THIS MORNING
  WITH THE STRONGEST WINDS EXPECTED THROUGH AROUND 9 AM THIS
  MORNING.

* WIND...THE WIND GUSTED TO 63 MPH FROM THE WEST SOUTHWEST IN THE
  WEST PORTION OF THE COMMUNITY OF CLARK AT 145 AM THIS MORNING.
  IN THE CODY FOOTHILLS 40 MPH WITH GUSTS TO 60 MPH LIKELY. IN THE
  ABSAROKA MOUNTAINS AND ALONG THE CLARKS FORK GAP WEST OF CLARK
  50 MPH WITH GUSTS TO 75 MPH ARE EXPECTED.

* IMPACTS...TRAVEL ALONG THE CHIEF JOSEPH HIGHWAY AS WELL AS 
  ALONG HIGHWAY 120 BETWEEN MILE MARKERS 120 AND 122 WILL BECOME 
  HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ015-016-018-301800-
/O.CON.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...LANDER
339 AM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THIS MORNING
  AND CONTINUE THROUGH NOON TODAY. THE STRONGEST WIND IS EXPECTED
  THROUGH 9 AM THIS MORNING.

* WIND...IN THE WIND RIVER MOUNTAINS 50 MPH WITH GUSTS TO 70 
  MPH. ALONG THE HIGHER TERRAIN OF THE LANDER FOOTHILLS ABOVE 
  LANDER AS WELL AS THE UPPER WIND RIVER BASIN INCLUDING DUBOIS 
  40 MPH WITH GUSTS TO 60 MPH EXPECTED. 

* IMPACTS...TRAVEL ALONG HIGHWAYS 287 AND 26 WILL BECOME HAZARDOUS
  BECAUSE OF DANGEROUS CROSS WINDS. ADDITIONAL LARGE BRANCHES THAT
  HAVE ALREADY BEEN LOOSENED FROM FRIDAYS SNOW EVENT COULD FALL
  ONTO PARKED AUTOMOBILES AS WELL AS ON BUILDINGS.

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. DO NOT PARK YOUR
VEHICLE UNDERNEATH ANY LARGE TREES IF POSSIBLE.

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.

&&

$$

WYZ019-301800-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
339 AM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE
  THROUGH TODAY. THE STRONGEST WIND IS EXPECTED FROM AROUND
  SUNRISE TODAY UNTIL EARLY THIS AFTERNOON.

* WIND...AT AROUND 1 AM THIS MORNING THE WIND GUSTED TO 68 MPH
  FROM THE SOUTHWEST AT THE REMOTE SITE OF FALES ROCK IN WESTERN
  NATRONA COUNTY. SOUTHWEST WINDS 40 TO 50 MPH WITH GUSTS TO 60
  TO 70 MPH ARE EXPECTED.

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO 
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM 
  WILL BE HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ020-301800-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
339 AM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THIS MORNING.
  THE STRONGEST WIND IS EXPECTED BETWEEN 9 AM THIS MORNING AND 3
  PM THIS AFTERNOON.

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH EXPECTED.

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER... 
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF 
  CASPER WILL BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS. 
  WYOMING BOULEVARD JUST SOUTH OF CASPER WILL BE ESPECIALLY 
  SUSCEPTIBLE TO THESE CROSS WINDS. 

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.

&&

$$
490 
WWUS75 KRIW 301800
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1200 PM MDT MON SEP 30 2013

...STRONG WINDS EXPECTED ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TODAY...

.WINDS WILL CONTINUE ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY
INCLUDING CASPER ALONG WITH CONTINUED STRONG WINDS IN THE GREEN
AND RATTLESNAKE MOUNTAINS THIS MORNING WITH THE STRONGEST WINDS
EXPECTED THROUGH THE MID AFTERNOON.

WYZ002-003-301900-
/O.CAN.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1200 PM MDT MON SEP 30 2013

...HIGH WIND WARNING IS CANCELLED...

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

WIND GUSTS TO 40 TO 50 MPH WILL STILL BE POSSIBLE THROUGH THE
AFTERNOON.

$$

WYZ015-016-018-301900-
/O.EXP.KRIW.HW.W.0008.000000T0000Z-130930T1800Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...LANDER
1200 PM MDT MON SEP 30 2013

...HIGH WIND WARNING WILL EXPIRE AT NOON MDT TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MDT TODAY. 

WIND GUSTS OVER 58 MPH ARE NO LONGER EXPECTED. HOWEVER...WIND
GUSTS OF 40 TO 50 MPH ARE STILL POSSIBLE FOR THE REST OF THE
AFTERNOON.

$$

WYZ019-010000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1200 PM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE 
  THROUGH TODAY. THE STRONGEST WIND IS EXPECTED FROM AROUND 
  SUNRISE TODAY UNTIL MID AFTERNOON. 

* WIND...AT AROUND 11 AM THIS MORNING THE WIND GUSTED TO 71 MPH 
  FROM THE SOUTHWEST AT THE REMOTE SITE OF FALES ROCK IN WESTERN 
  NATRONA COUNTY. SOUTHWEST WINDS 40 TO 50 MPH WITH GUSTS TO 60 
  TO 70 MPH ARE EXPECTED. 

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO 
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM 
  WILL BE HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ020-010000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
1200 PM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THIS MORNING.
  THE STRONGEST WIND IS EXPECTED BETWEEN THROUGH 3 PM THIS AFTERNOON.

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH EXPECTED.

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER... 
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF 
  CASPER WILL BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS. 
  WYOMING BOULEVARD JUST SOUTH OF CASPER WILL BE ESPECIALLY 
  SUSCEPTIBLE TO THESE CROSS WINDS. 

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.

&&

$$
658 
WWUS75 KRIW 302053
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
253 PM MDT MON SEP 30 2013

...STRONG WINDS EXPECTED ACROSS PORTIONS OF CENTRAL AND EAST
CENTRAL WYOMING TODAY...

.WINDS WILL CONTINUE ACROSS THE LOWER ELEVATIONS OF NATRONA
COUNTY AND THE GREEN AND RATTLESNAKE MOUNTAINS. WINDS SHOULD
SUBSIDE LATE THIS AFTERNOON. 

WYZ019-010000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
253 PM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE 
  THROUGH TODAY. THE STRONGEST WIND IS EXPECTED FROM AROUND 
  SUNRISE TODAY UNTIL MID AFTERNOON. 

* WIND...AT AROUND 11 AM THIS MORNING THE WIND GUSTED TO 71 MPH 
  FROM THE SOUTHWEST AT THE REMOTE SITE OF FALES ROCK IN WESTERN 
  NATRONA COUNTY. SOUTHWEST WINDS 40 TO 50 MPH WITH GUSTS TO 60 
  TO 70 MPH ARE EXPECTED. 

* IMPACTS...TRAVEL ALONG HIGHWAY 287 FROM SWEETWATER STATION TO 
  JEFFREY CITY AS WELL AS ALONG HIGHWAY 135 ACROSS BEAVER RIM 
  WILL BE HAZARDOUS BECAUSE OF DANGEROUS CROSS WINDS. 

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.

&&

$$

WYZ020-010000-
/O.CON.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
253 PM MDT MON SEP 30 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THIS 
  MORNING. THE STRONGEST WIND IS EXPECTED BETWEEN THROUGH 3 PM 
  THIS AFTERNOON. 

* WIND...SOUTHWEST WINDS 40 MPH WITH GUSTS TO 60 MPH EXPECTED. THE
  CASPER AIRPORT REPORTED A WIND GUST TO 59 MPH AROUND 1 PM THIS
  AFTERNOON. 

* IMPACTS...TRAVEL ALONG HIGHWAY 220 SOUTHWEST OF CASPER... 
  HIGHWAY 26 WEST OF CASPER AND INTERSTATE 25 NORTH AND EAST OF 
  CASPER WILL BECOME HAZARDOUS DUE TO DANGEROUS CROSS WINDS. 
  WYOMING BOULEVARD JUST SOUTH OF CASPER WILL BE ESPECIALLY 
  SUSCEPTIBLE TO THESE CROSS WINDS. 

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.

&&

$$
352 
WWUS75 KRIW 302349
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
549 PM MDT MON SEP 30 2013


WYZ019-010100-
/O.EXP.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
549 PM MDT MON SEP 30 2013

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING. 
WIND SPEEDS ARE LOWERING AND THEREFORE THE HIGH WIND WARNING WILL
BE ALLOWED TO EXPIRE AT 6 PM. 

$$

WYZ020-010100-
/O.EXP.KRIW.HW.W.0008.000000T0000Z-131001T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
549 PM MDT MON SEP 30 2013

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING. 
WIND SPEEDS ARE LOWERING ACROSS THE AREA AND THUS THE HIGH WIND
WARNING WILL BE ALLOWED TO EXPIRE AT 6 PM. 


$$

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 Sep 29, 3:41 AM MDT, 5 hours 37 minutes earlier.

Area forecast discussion, Sep 29, 3:41 AM MDT, 5 hours 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
341 AM MDT SUN SEP 29 2013

.SHORT TERM...TODAY THROUGH TUESDAY NIGHT
WEST SOUTHWEST WINDS HAVE BEEN RESPONDING ALONG THE SOUTHERN WIND
CORRIDOR AT PLACES LIKE FALES ROCK AND AT THE HIGH ELEVATIONS. THE
FAST WESTERLY FLOW WILL BE THE DOMINANT FEATURE IN THE AREA WEATHER
THROUGH TUESDAY NIGHT. THE LOW SPINNING OVER 52N/134W OFF THE
BRITISH COLUMBIA COAST WILL FLING A PARADE OF SHORTWAVE TROUGHS
ACROSS OUR CWA THROUGH EARLY THIS WEEK. THE FIRST SUCH FEATURE WILL
CLOSE OFF OVER SASK WHICH WILL DRAG A TRAILING SHORTWAVE TOWARD
WYOMING THIS AFTERNOON. AS THIS FEATURE NEARS...A MOUNTAIN TOP
INVERSION WILL DEVELOP THIS EVENING BUT WILL BE LONGER LIVED IN
CENTRAL WYOMING THAN IN NORTHERN WYOMING WHERE IT WILL NOT SET UP
UNTIL AFTER MIDNIGHT. HOWEVER...A 14C DEGREE 700MB TEMPERATURE
GRADIENT WILL SET UP FROM YNP TO THE ABSAROKAS WHICH WILL ENCOURAGE
GAP FLOW IN THE CODY FOOTHILLS. WE WILL BE UNDERNEATH THE RIGHT
FRONT QUAD OF THE ASSOCIATED JET MAX LATE TONIGHT/MONDAY MORNING
ENCOURAGING DOWNWARD FORCING OF THE 70 TO 80 MPH 700MB OUTBOUND
WINDS ALONG THE EAST SLOPE OF THE DIVIDE. HOWEVER...THERE IS LACK OF
A CRITICAL LAYER TO SUPPORT A TRUE MOUNTAIN WAVE EVENT. WHAT THIS
ALL SPELLS OUT IS HIGH ELEVATION WINDS AND LOWER ELEVATION GAP FLOW
FOR THE EAST SLOPE OF THE WIND RIVER MOUNTAINS AS WELL AS THE
ADJACENT LANDER FOOTHILLS...ESPECIALLY ON THE HIGHER HILLS...AS WELL
AS DUBOIS. ALSO THE ABSAROKA MTNS AND CODY FOOTHILLS INCLUDING CLARK
BECAUSE OF GAP FLOW THROUGH THE CLARKS FORK GAP. WILL HOIST A HIGH
WIND WATCH FOR ZONES 002 AND 003 AS WELL AS ZONES 015...016 AND 018
VALID FOR TONIGHT AND MONDAY MORNING FROM 00Z THROUGH 18Z MONDAY.
WILL ALSO ISSUE A HIGH WIND WATCH FOR THE GREEN MTNS FOR TONIGHT AND
MONDAY AND FOR NATRONA COUNTY INCLUDING CASPER FOR MONDAY AS THE
RIGHT FRONT QUAD OF THE JET MAX SHOVES THE STRONG 700MB WINDS TO THE
SURFACE IN THOSE AREAS DURING THAT TIME FRAME. MET MOS GUIDANCE
ADVERTISES 32 KNOT SUSTAINED WINDS FOR CASPER ON MONDAY. IN THE
MEANTIME THIS WEATHER FEATURE WILL PRODUCE RAIN AND SNOW OVER
NORTHWEST WYOMING DEVELOPING TODAY AND CONTINUING TONIGHT WITH
WESTERLY UPSLOPE FLOW COMBINED WITH VORT ENERGY...MAINLY UP NORTH.
NEGATIVE LIFTED INDICES ARE ALSO PROGGED FOR NW WY TONIGHT.

THEN THE PARENT LOW SPLITS WITH THE SECOND LOW TRAILING ANOTHER
SHORTWAVE TROUGH ACROSS OUR REGION MONDAY FOR A CONTINUATION OF WEST
SOUTHWEST WINDS AND RAIN/SNOW IN THE NORTHWEST WITH THE PRECIP
SPREADING SOUTH INTO FAR WEST CENTRAL WYOMING. EXPECT CLEARING TO
TAKE PLACE MONDAY NIGHT IN THE WEST.

TUESDAY WILL FEATURE BENIGN WEATHER WITH SLIGHTLY COOLER
TEMPERATURES BEHIND MONDAYS SYSTEM AFTER A WARM UP OCCURS TODAY
THROUGH MONDAY.

.LONG TERM...WEDNESDAY THROUGH SUNDAY
ANALYSIS OF THE HEMISPHERIC PATTERN STILL SUPPORTS OUR MIDWEEK STORM
EVEN THOUGH EACH MODEL AND EACH MODEL RUN CONTINUES TO CHANGE
SIGNIFICANTLY. NOT SURPRISINGLY THE 00Z ECMWF IS DIGGING THE TROUGH
TO OUR WEST AND CLOSING IT OFF AS IT PASSES JUST TO OUR SW THURSDAY
NIGHT. THE MAJORITY OF THE GFS ENSEMBLES WERE ALSO FURTHER SOUTH
THAN THE OPERATION MODEL AND THE GEM CONTINUED WITH ITS SRN CLOSED
LOW SOLUTION. BASED ON ALL OF THIS...WE ARE KEEPING THE FORECAST AS
IS FOR NOW. FIRST SHORTWAVE AND FRONT MOVE THROUGH ON WEDNESDAY
STILL NOT THAT DISSIMILAR TO LAST WEDNESDAY WITH A CHANCE OF SHOWERS
AS IT MOVES ACROSS. THE BIGGER CHANGES ARE STILL EXPECTED FIRST IN
THE WEST AND FAR NORTH THURSDAY...DROPPING QUICKLY SOUTH LATE IN THE
DAY INTO THE EVENING HOURS WITH THE POTENTIAL FOR RAIN CHANGING TO
SNOW IN THE CENTRAL ZONES ONCE AGAIN. CONFIDENCE NOT AS HIGH YET AS
THIS PAST SYSTEM WITH CONTINUED MODEL INCONSISTENCY EVEN THOUGH THE
'BIG PICTURE' SUPPORTS ANOTHER DIGGING TROUGH. HOPEFULLY WE CAN ZERO
IN ON A FEW MORE DETAILS AGAIN SUNDAY NIGHT. UNTIL THEN...LITTLE
CHANGES OTHER THAN TRYING TO GET A LITTLE BETTER RAIN CHANGING TO
SNOW WORDING ACROSS THE CENTRAL ZONES THURSDAY NIGHT. SYSTEM MOVES
AWAY FRIDAY WITH EXPECTED SHORTWAVE RIDGING ON SATURDAY FOR A MUCH
MILDER DAY. MODELS DIVERGE QUITE A BIT ON SUNDAY WITH THE ECMWF
HAVING A RIDGE HOLDING TO THE WEST WHILE THE GFS PUSHES A DECENT
SHORTWAVE ACROSS THE NRN ROCKIES. GOING WITH A MODEL BLEND FOR NOW
WITH JUST SOME WIND AND A FEW NRN MTN SHOWERS. WE'LL SEE HOW
EVERYTHING LOOKS AGAIN TONIGHT.

&&

.AVIATION.../12Z ISSUANCE/ AREAS OF LLWS WILL BE ENCOUNTERED
ACROSS MUCH OF THE REGION THIS MORNING THROUGH TONIGHT. THE LLWS
WILL BE STRONGEST AND MOST WIDESPREAD ALONG THE EAST SLOPES OF THE
DIVIDE VCNTY KLND-KCOD. SOME MIXING DOWN OF THE WIND TO THE SFC
WILL OCCUR LATER THIS MORNING THROUGH THE AFTERNOON.

WEST OF THE DIVIDE....VFR CONDITIONS WILL PREVAIL THROUGH 18Z
SUNDAY.  AREAS OF MVFR PRECIPITATION AND INCREASING MTN OBSCURATIONS
WILL SPREAD SOUTH TO VCNTY KJAC BY 21Z SUNDAY AND INTO KPNA 00Z-03Z
MONDAY.  SNOW LEVELS WILL REMAIN AROUND 8-8.5KFT THROUGH SUNDAY
NIGHT.

EAST OF THE DIVIDE...VFR CONDITIONS WILL PREVAIL THROUGH THE
PERIOD.

&&

.FIRE WEATHER...
WEST SOUTHWEST WINDS WILL CONTINUE ALONG THE SOUTHERN WIND CORRIDOR
FOR THE NEXT COUPLE OF DAYS. WINDS COULD BECOME ESPECIALLY STRONG
TONIGHT AND MONDAY MORNING ALONG ABSAROKA MOUNTAINS AND THE EAST
SLOPE OF THE WIND RIVER MOUNTAINS AS WELL AS THE ADJACENT FOOTHILLS.
STRONG WINDS ARE ALSO POSSIBLE IN ZONE 289 TONIGHT AND MONDAY AS
WELL AS IN ZONE 280 FOR MONDAY. TEMPERATURES WILL CONTINUE THEIR
WARMING TREND THROUGH MONDAY AND THEN COOLING OFF SLIGHTLY TUESDAY.
PERIODS OF RAIN AND SNOW WILL OCCUR ACROSS FAR WESTERN WYOMING TODAY
THROUGH MONDAY.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WATCH FROM THIS EVENING THROUGH MONDAY MORNING
WYZ002-003-015-016-018.

HIGH WIND WATCH FROM THIS EVENING THROUGH MONDAY AFTERNOON
WYZ019.

HIGH WIND WATCH FROM MONDAY MORNING THROUGH MONDAY AFTERNOON
WYZ020.

&&

SHORT TERM...LIPSON
LONG TERM...SKRBAC
AVIATION...AEM
FIRE WEATHER...LIPSON
Hazardous weather outlook, Sep 29, 4:53 AM MDT, 4 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
453 AM MDT SUN SEP 29 2013

WYZ001>020-022>030-301200-
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-
453 AM MDT SUN SEP 29 2013

...HIGH WIND WATCH FOR TONIGHT AND MONDAY FOR THE EAST SLOPE OF THE
CONTINENTAL DIVIDE AND ADJACENT FOOTHILLS AS WELL AS FOR THE
GREEN MOUNTAINS AND NATRONA COUNTY INCLUDING CASPER...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

VERY STRONG WINDS ARE POSSIBLE ALONG THE EAST SLOPE OF THE
CONTINENTAL DIVIDE TONIGHT AS WELL AS IN THE ADJACENT FOOTHILLS AND
IN THE GREEN AND RATTLESNAKE MOUNTAINS. PLEASE SEE THE LATEST
CYSNPWRIW STATEMENTS REGARDING THIS POTENTIAL HIGH WIND EVENT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

VERY STRONG WINDS ARE POSSIBLE FOR THE EAST SLOPE OF THE
CONTINENTAL DIVIDE AND ADJACENT FOOTHILLS AS WELL AS FOR THE
GREEN MOUNTAINS AND NATRONA COUNTY INCLUDING CASPER. PLEASE SEE THE
LATEST CYSNPWRIW STATEMENTS REGARDING THIS POTENTIAL HIGH WIND
EVENT.

A NEW STORM SYSTEM MAY BRING ANOTHER ROUND OF SNOW TO AREAS WEST OF
THE DIVIDE WEDNESDAY NIGHT INTO THURSDAY BEFORE SHIFTING EAST OF
THE DIVIDE LATE THURSDAY INTO THURSDAY NIGHT. STAY TUNED OVER THE
NEXT FEW DAYS ON THIS POTENTIAL STORM LATE NEXT WEEK.

ANOTHER COLD STORM SYSTEM LOOKS POISED TO DEVELOP OVER THE AREA ONCE
AGAIN WEDNESDAY NIGHT THROUGH THURSDAY NIGHT. THE MAIN BRUNT OF THE
SYSTEM LOOKS TO AFFECT AREAS ALONG AND EAST OF THE DIVIDE THURSDAY
INTO THURSDAY NIGHT WITH COLD RAIN CHANGING TO SNOW. THE STORM HAS
SIMILAR CHARACTERISTICS TO OUR LAST STORM BUT SOME DETAILS ARE
STILL TO BE DETERMINED. STAY TUNED FOR FURTHER STATEMENTS FROM YOUR
NATIONAL WEATHER SERVICE OFFICE IN RIVERTON.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY WIND GUSTS GREATER THAN
50 MPH. THANK YOU.

TEAM RIVERTON

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 4:15 AM MDTHigh Wind WatchRIWFremont, Hot Springs, Natrona, Park, Sublette, Sweetwater15 hr

Nearby

High Wind Warnings in Wyoming, 2013Every high wind warning in 2013

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.