Alert archive / Wyoming / High Wind Warnings in 2014
High Wind Warning 7, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Feb 11, 2014, 8:54 PM MST for 5 counties in Wyoming. It took effect at Feb 12, 2014, 5:00 AM MST. It was in force for 36 hr. 19 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
- Feb 11, 2014, 8:54 PM MST (03:54 UTC)
- In effect from
- Feb 12, 2014, 5:00 AM MST
- Expired
- Feb 13, 2014, 5:00 PM MST
- In force
- 36 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 03:55 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 12, 11:04 AM MST | NON-TSTM WND GST 85 | 4 W Clark, WY | ALSO A GUST TO 85 MPH AT 904 AM. |
| Feb 12, 11:10 AM MST | NON-TSTM WND GST 76 | 15 Sse Hiland, WY | FALES ROCK RAWS SENSOR. |
| Feb 12, 11:30 AM MST | HIGH SUST WINDS 45 | Hiland, WY | 40 TO 45 MPH+ SUSTAINED ALL MORNING. |
| Feb 12, 11:50 AM MST | NON-TSTM WND GST 77 | 18 Se Jeffrey City, WY | CAMP CREEK RAWS SENSOR. |
| Feb 12, 11:51 AM MST | NON-TSTM WND GST 69 | 2 Sw Casper, WY | AUTOMATED SENSOR ON THE SOUTHWEST SIDE OF CASPER...OUTER DRIVE. |
| Feb 12, 5:37 PM MST | HEAVY SNOW 7 | 23 Nw Dubois, WY | BROOKS LAKE LODGE |
| Feb 12, 5:46 PM MST | SNOW 4 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| Feb 12, 5:46 PM MST | SNOW 4 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Feb 12, 5:46 PM MST | HEAVY SNOW 9 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Feb 12, 5:46 PM MST | HEAVY SNOW 9 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Feb 12, 5:46 PM MST | HEAVY SNOW 9 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Feb 12, 5:47 PM MST | SNOW 1 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| Feb 12, 5:47 PM MST | HEAVY SNOW 8 | 26 Wsw Clark, WY | WOLVERINE SNOTEL |
| Feb 12, 5:50 PM MST | SNOW 1 | 14 W Crowheart, WY | COLD SPRINGS SNOTEL |
| Feb 12, 5:51 PM MST | SNOW 1 | 18 W Lander, WY | HOBBS PARK SNOTEL |
| Feb 12, 5:51 PM MST | SNOW 1 | 6 Wsw Dubois, WY | LITTLE WARM SNOTEL |
| Feb 12, 5:51 PM MST | SNOW 1 | 7 Nw Atlantic City, WY | SOUTH PASS SNOTEL |
| Feb 12, 5:51 PM MST | SNOW 2 | 12 Sw Lander, WY | TOWNSEND CREEK SNOTEL |
| Feb 12, 5:51 PM MST | SNOW 4 | 26 Nw Lander, WY | ST. LAWRENCE ALT 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 00:00Z, 3.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2226 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
596 WWUS75 KRIW 120354 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 854 PM MST TUE FEB 11 2014 ...HIGH WINDS PROBABLE ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING WEDNESDAY AND WEDNESDAY NIGHT... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE MAY COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING WEDNESDAY AND WEDNESDAY NIGHT. WYZ003-121200- /O.UPG.KRIW.HW.A.0005.140212T0900Z-140213T1200Z/ /O.NEW.KRIW.HW.W.0007.140212T1200Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 854 PM MST TUE FEB 11 2014 ...HIGH WIND WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM MST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP EARLY WEDNESDAY MORNING WITH THE HIGHEST PROBABILITY OCCURRING BY MIDDAY. THE THREAT OF HIGH WINDS EXTENDS THROUGH WEDNESDAY NIGHT. * WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ALONG HIGHWAY 120 FROM JUST SOUTH OF CODY TO CLARK MAY BE IMPACTED BY VERY STRONG CROSSWINDS FROM THE EARLY HOURS WEDNESDAY THROUGH WEDNESDAY NIGHT. 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. && $$ WYZ019-020-121200- /O.UPG.KRIW.HW.A.0005.140212T1500Z-140213T0300Z/ /O.NEW.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 854 PM MST TUE FEB 11 2014 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP WEDNESDAY MORNING AND EXTEND INTO WEDNESDAY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND CASPER AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP MAY BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ011-121200- /O.UPG.KRIW.HW.A.0005.140212T1500Z-140213T0300Z/ /O.NEW.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 854 PM MST TUE FEB 11 2014 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP WEDNESDAY MORNING...LASTING INTO WEDNESDAY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...TRAVELERS ON INTERSTATE 25 MAY BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS ACROSS SOUTHERN JOHNSON COUNTY. 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. && $$
7 follow-up statements
174 WWUS75 KRIW 120937 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 237 AM MST WED FEB 12 2014 ...HIGH WINDS PROBABLE ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY TONIGHT... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY THROUGH WEDNESDAY NIGHT. WYZ003-130000- /O.CON.KRIW.HW.W.0007.140212T1200Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 237 AM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP THIS MORNING WITH THE HIGHEST PROBABILITY OF THE STRONGEST WINDS OCCURRING BY MIDDAY. THE THREAT OF HIGH WINDS EXTENDS THROUGH TONIGHT. * WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ALONG HIGHWAY 120 FROM JUST SOUTH OF CODY TO CLARK MAY BE IMPACTED BY VERY STRONG CROSSWINDS FROM THE EARLY HOURS WEDNESDAY THROUGH WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ019-020-130000- /O.CON.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 237 AM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST THIS EVENING. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP THIS MORNING AND EXTEND INTO WEDNESDAY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND CASPER AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP MAY BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. 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. && $$ WYZ011-130000- /O.CON.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 237 AM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST THIS EVENING. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP THIS MORNING...LASTING INTO WEDNESDAY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...TRAVELERS ON INTERSTATE 25 MAY BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS ACROSS SOUTHERN JOHNSON COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
594 WWUS75 KRIW 121243 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 543 AM MST WED FEB 12 2014 ...HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT. WYZ003-130000- /O.CON.KRIW.HW.W.0007.000000T0000Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 543 AM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP THIS MORNING WITH THE HIGHEST PROBABILITY OF THE STRONGEST WINDS OCCURRING BY MIDDAY. THE THREAT OF HIGH WINDS EXTENDS THROUGH TONIGHT. * WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD...ESPECIALLY ALONG HIGHWAY 120 WHERE VERY STRONG CROSSWINDS WILL OCCUR. 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. && $$ WYZ019-020-130000- /O.CON.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 543 AM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL DEVELOP THIS MORNING...AND LAST THROUGH EARLY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND CASPER AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP WILL BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ011-130000- /O.CON.KRIW.HW.W.0007.140212T1500Z-140213T0300Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 543 AM MST WED FEB 12 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...STRONG TO POTENTIALLY DAMAGING WINDS WILL BEGIN TO DEVELOP THIS MORNING...AND LAST THROUGH EARLY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD...INCLUDING THOSE TRAVELING 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. && $$ TEAM RIVERTON/21
907 WWUS75 KRIW 122037 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 137 PM MST WED FEB 12 2014 ...HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT. HAVE EXTENDED THE HIGH WIND WARNING FOR THE GREEN MOUNTAINS AND NATRONA COUNTY UNTIL MIDNIGHT AS THE POTENTIAL FOR HIGH WINDS IS EXPECTED TO LAST LONGER THAN ORIGINALLY EXPECTED. WYZ019-020-130300- /O.EXT.KRIW.HW.W.0007.000000T0000Z-140213T0700Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 137 PM MST WED FEB 12 2014 ...HIGH WIND WARNING NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL LAST THROUGH LATE EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND CASPER AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP WILL BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ003-130300- /O.CON.KRIW.HW.W.0007.000000T0000Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 137 PM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL CONTINUE THROUGH TONIGHT. * WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD...ESPECIALLY ALONG HIGHWAY 120 WHERE VERY STRONG CROSSWINDS WILL OCCUR. 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. && $$ WYZ011-130300- /O.CON.KRIW.HW.W.0007.000000T0000Z-140213T0300Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 137 PM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL LAST THROUGH EARLY EVENING. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD...INCLUDING THOSE TRAVELING ALONG INTERSTATE 25. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
074 WWUS75 KRIW 130257 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 757 PM MST WED FEB 12 2014 ...HIGH WINDS CONTINUE ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TONIGHT... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL WYOMING TONIGHT. WYZ011-130400- /O.EXP.KRIW.HW.W.0007.000000T0000Z-140213T0300Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 757 PM MST WED FEB 12 2014 ...HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING... THE HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING. THE THREAT OF HIGH WINDS HAS ENDED ACROSS THE AREA AND THEREFORE THE HIGH WIND WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM. $$ WYZ003-131200- /O.CON.KRIW.HW.W.0007.000000T0000Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 757 PM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL CONTINUE TONIGHT. * WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD...ESPECIALLY ALONG HIGHWAY 120 WHERE VERY STRONG CROSSWINDS WILL OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ019-020-130700- /O.CON.KRIW.HW.W.0007.000000T0000Z-140213T0700Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 757 PM MST WED FEB 12 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL LAST THROUGH MIDNIGHT. * WIND...SOUTHWEST 35 TO 45 MPH WITH GUSTS OVER 65 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND CASPER AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP WILL BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD WILL BE POSSIBLE. 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. && $$
569 WWUS75 KRIW 130653 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1153 PM MST WED FEB 12 2014 ...HIGH WINDS CONTINUE ACROSS PORTIONS OF CENTRAL WYOMING THE REST OF TONIGHT AND THURSDAY... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF CENTRAL WYOMING. WYZ020-130800- /O.CAN.KRIW.HW.W.0007.000000T0000Z-140213T0700Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 1153 PM MST WED FEB 12 2014 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WEST TO SOUTHWEST WINDS ACROSS THE AREA WILL BE GUSTY THROUGH THE DAY...HOWEVER THE WIND SPEEDS WILL REMAIN BELOW HIGH WIND CRITERIA AND NOT BE AS STRONG AS WEDNESDAY. EXPECT WINDS TO BLOW 20 TO 30 MPH WITH PEAK GUSTS BETWEEN 45 AND 55 MPH TODAY. $$ WYZ003-130800- /O.CAN.KRIW.HW.W.0007.000000T0000Z-140213T1200Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1153 PM MST WED FEB 12 2014 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WEST TO SOUTHWEST WINDS ACROSS THE AREA WILL BE GUSTY THROUGH THE DAY...HOWEVER THE WIND SPEEDS WILL REMAIN BELOW HIGH WIND CRITERIA AND NOT BE AS STRONG AS WEDNESDAY. EXPECT WINDS TO BLOW 20 TO 30 MPH WITH PEAK GUSTS BETWEEN 45 AND 55 MPH TODAY. $$ WYZ019-131500- /O.EXT.KRIW.HW.W.0007.000000T0000Z-140214T0000Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1153 PM MST WED FEB 12 2014 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY... THE HIGH WIND WARNING HAS BEEN EXTENDED UNTIL 5 PM MST THURSDAY. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL LAST THROUGH THURSDAY AFTERNOON. * WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND ALCOVA AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP WILL BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
738 WWUS75 KRIW 130917 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 217 AM MST THU FEB 13 2014 ...HIGH WINDS CONTINUE ACROSS PORTIONS OF CENTRAL WYOMING TODAY... .THE COMBINATION OF AN INCREASING SURFACE PRESSURE GRADIENT AND VERY STRONG WINDS ABOVE THE SURFACE WILL COMBINE TO PRODUCE HIGH WINDS ACROSS PORTIONS OF CENTRAL WYOMING. WYZ019-140000- /O.CON.KRIW.HW.W.0007.000000T0000Z-140214T0000Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 217 AM MST THU FEB 13 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...STRONG TO POTENTIALLY DAMAGING WINDS WILL LAST THROUGH THIS AFTERNOON. * WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH POSSIBLE. * IMPACTS...TRAVELERS ON HIGHWAY 220 BETWEEN MUDDY GAP AND ALCOVA AND HIGHWAYS 135...287 AND 789 OVER BEAVER RIM TO JEFFREY CITY AND MUDDY GAP WILL BE IMPACTED BY VERY STRONG AND ERRATIC WIND GUSTS. LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD WILL BE POSSIBLE. 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. && $$
050 WWUS75 KRIW 140012 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 512 PM MST THU FEB 13 2014 WYZ019-140115- /O.EXP.KRIW.HW.W.0007.000000T0000Z-140214T0000Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 512 PM MST THU FEB 13 2014 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. WINDS HAVE DECREASED BELOW HIGH WIND THRESHOLDS...BUT VERY WINDY CONDITIONS WITH WEST WIND 30 TO 35 MPH WITH GUSTS OF 50 TO 55 MPH WILL CONTINUE THROUGH 8 PM BEFORE DIMINISHING. $$
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 11, 2:11 PM MST, 6 hours 43 minutes earlier.
Area forecast discussion, Feb 11, 2:11 PM MST, 6 hours 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 211 PM MST TUE FEB 11 2014 .SHORT TERM...TONIGHT THROUGH WEDNESDAY COMPLEX FORECAST WITH SNOW AND STRONG WINDS OVER THE WEST SPREADING INTO THE BIGHORN MOUNTAINS...AND HIGH WINDS ALONG AND NEAR THE EAST SLOPES OF THE MOUNTAINS AND THROUGH THE WIND CORRIDOR FROM NORTHWEST SWEETWATER COUNTY...ACROSS SOUTHERN FREMONT COUNTY... NATRONA COUNTY AND INTO SOUTHERN JOHNSON COUNTY. HAVE UPGRADED WINTER STORM WATCH TO A WARNING AND ISSUED WINTER WEATHER ADVISORY FOR EAST SLOPES OF WIND RIVER MOUNTAINS AND THE DUBOIS ZONE FROM DUBOIS TO NEAR TOGWOTEE PASS...AND ACROSS THE LOWER ELEVATIONS OF SUBLETTE AND SOUTHERN LINCOLN COUNTIES. SNOWFALL WILL TAPER OFF IN THE WEST THIS EVENING BUT NOT COMPLETELY END IN THE MOUNTAINS AND THEN EARLY IN THE MORNING THE EASTERN EDGE OF THE PACIFIC JET STREAM AND DEEP MOISTURE PLUME WILL BEGIN TO MOVE INTO WESTERN WYOMING. THE JET WILL SUPPORT VERY STRONG WINDS IN THE MOUNTAINS AND LIKELY PRODUCE MOUNTAIN WAVES ALONG THE EAST SLOPES OF THE ABSAROKA... WIND RIVER AND BIGHORN MOUNTAINS. IT APPEARS THAT THE WAVE LENGTH BETWEEN THE ABSAROKA WAVE WILL COME INTO PHASE WITH THE WAVE IN THE LEE OF THE SOUTHERN BIGHORN MOUNTAINS. THIS IS A RATHER RARE OCCURRENCE AND IS ESSENTIAL FOR STRONG WEST DOWNSLOPE WINDS ALONG AND NEAR THE EAST SLOPES OF THE BIGHORN MOUNTAINS. AT LEAST THE HIGH RESOLUTION MODELS HAVE THE WAVES IN PHASE...NOW WE WILL SEE IF IT ACTUALLY HAPPENS. TEMPERATURE WARM UP WILL CONTINUE WITH SOME PESKY COLD POOLS IN THE BIG HORN...WIND RIVER AND GREEN RIVER BASINS. BUT EVEN THESE AREAS WILL MODIFY SOME. SNOWFALL STILL LOOKS GOOD IN THE WESTERN MOUNTAINS. THE STRONG WINDS WILL HAMPER MEASUREMENT WITH SIGNIFICANT BLOWING AND DRIFTING EXPECTED. .MID TERM...WEDNESDAY NIGHT THROUGH FRIDAY WINTER STORM WILL BE ONGOING AT THE START OF THIS PERIOD AND CONTINUE AT LEAST INTO THURSDAY MORNING BEFORE POSSIBLY TAPER OFF. TEMPERATURES ARE ALSO QUITE WARM WITH THIS SYSTEM BY THE LATTER STAGES SO THE VALLEYS MAY DEAL WITH A CHANGEOVER OR MIXTURE AT TIMES LIMITING OVERALL SNOWFALL AMOUNTS FOR THE LAST THIRD OF THE STORM OR SO. OTHERWISE...IDEA OF A 1 TO 2 FEET IN THE MOUNTAINS LOOKS GOOD WITH 5 TO 10...6 TO 12 INCH RANGE FOR THE LOWER ELEVATIONS ESPECIALLY WEDNESDAY AND WEDNESDAY NIGHT. EAST OF THE DIVIDE...WE'LL BE LOOKING AT POTENTIAL HIGH WINDS INTO THE EVENING ACROSS THE WIND CORRIDOR UP INTO SRN JOHNSON. POTENTIAL MOUNTAIN WAVE IN SRN JOHNSON WITH STRONG WINDS WORKING VERY CLOSE TO THE SURFACE. UP IN THE CODY FOOTHILLS...THE MOUNTAIN WAVE SIGNATURE IS LONGER LASTING AND THUS THE WATCH WILL BE EXTENDED THROUGH WEDNESDAY NIGHT. LCL WRF STILL SHOWING UPSTREAM INVERSION JUST ABOVE MOUNTAIN TOP ALONG WITH RIGHT FRONT QUAD OF THE JET APPROACHING. THE FROUDE NUMBER IS ALSO RIGHT AROUND ONE INTO WEDNESDAY NIGHT...ESPECIALLY OVER THE MAIN ABSAROKA FRONT SO WILL BE INTERESTING TO WATCH HOW THIS EVOLVES. WIND INTO THE BARRIER IS AROUND 45KTS GIVE OR TAKE SO IF WE GET A SIGNIFICANT MOUNTAIN WAVE EPISODE IT WILL LIKELY COME OFF THE HIGHER MOUNTAINS...LIKE ABOVE CLARK. GAP FLOW SIGNATURE IS ALSO MODERATE WITH H7 BARRIER DIFFERENCE OF 10 TO 13C. WINDS WILL ALSO LIKELY BE QUITE STRONG FROM DUBOIS DOWN TO NEAR RIVERTON WEDNESDAY NIGHT WITH THREAT FOR HIGH WINDS INCREASING THURSDAY WITH 160KT SEWD MOVING JET ALONG WITH A COLD FRONT MOVING THROUGH. WILL HAVE TO WATCH THIS CLOSELY FOR A POTENTIAL HIGH WIND EPISODE FROM DUBOIS DOWN TO RIVERTON. THE EAST SLOPE OF THE WINDS AND LANDER FOOTHILLS WILL ALSO BE CLOSE WITH ONLY THE WNW FLOW HAMPERING IT SOME. TEMPERATURES WILL DEFINITELY BE WARMING UP WITH MIXED ATMOSPHERE AND FAIRLY MILD MID LEVEL TEMPERATURES. NOT GOING WITH THE SOARING MAV GUIDANCE BUT CLOSER TO THE MET/ECE WITH 40S AND SOME 50S EAST OF THE DIVIDE THURSDAY AND FRIDAY. ON FRIDAY...WE GET ANOTHER IMPRESSIVE LOOKING ISENTROPIC UPGLIDE SIGNATURE WITH ACTIVE JET STREAM AND GOOD OROGRAPHIC POTENTIAL. WARM MID LEVEL TEMPERATURES AGAIN MAKING THE VALLEYS TRICKY FOR RAIN/SNOW LINE BUT MOUNTAINS SHOULD SEE ANOTHER SIGNIFICANT SNOW STORM STARTING FRIDAY AND CONTINUING INTO THE MEDIUM RANGE PERIOD. MORE WIND EAST OF THE DIVIDE WITH SOME HIGH WINDS POSSIBLE IN THE CODY FOOTHILLS...WIND CORRIDOR AND DUBOIS TO RIVERTON AREA WITH BORDERLINE HIGH WINDS ALONG THE EAST SLOPE OF THE WINDS AND LANDER FOOTHILLS. ACTIVE PERIOD TO SAY THE LEAST! .LONG TERM...FRIDAY NIGHT THROUGH TUESDAY SOUTHWEST FLOW CONTINUES TO DRAW WARM MOIST AIR UP INTO MUCH OF THE FORECAST AREA FRIDAY EVENING AS SWIFT WESTERLY FLOW PERSISTS ALOFT. SNOW WILL CONTINUE TO PILE UP ACROSS THE WESTERN MOUNTAINS AS A SHORT WAVE CONTINUES TO TRACK EAST...A POSSIBLE RAIN SNOW MIX ACROSS THE WESTERN VALLEYS WILL EVENTUALLY TURN TO ALL SNOW FRIDAY NIGHT. WINDY TO EVEN HIGH WINDS WILL BE POSSIBLE IN THE KRKS-KCPR WIND CORRIDOR FRIDAY AFTERNOON/EVENING AS THE LEE TROUGH DEVELOPS WITH 700MB FLOW AROUND 50KT. WARM AND WINDY CONDITIONS EAST OF THE DIVIDE WILL EVENTUALLY GIVE WAY TO COOLER NORTHERLY FLOW AS ANOTHER COLD FRONT MOVES SOUTH EAST OF THE DIVIDE...SOME SNOW WILL ALSO ACCOMPANY THE FRONT WITH SOME ACCUMULATION POSSIBLE IN FAVORED UPSLOPE AREAS. ALTHOUGH PRECIPITATION IS LIKELY OVER THE WEST SATURDAY...THERE WILL BE PROBABLY BE A LULL IN THE INTENSITY/COVERAGE OF THE PRECIPITATION...BEFORE MORE WIDESPREAD AND HEAVIER PRECIPITATION AFFECT WESTERN WYOMING SATURDAY NIGHT AND SUNDAY. AGAIN COULD SEE SIGNIFICANT MOUNTAIN SNOWFALL WHILE THE LOWER ELEVATIONS WILL PROBABLY SEE RAIN AND SNOW AS ANOTHER PUSH OF VERY MILD AIR ARRIVES WITH A PASSING RIDGE ON SATURDAY. AREAS EAST OF THE DIVIDE WILL REMAIN MAINLY DRY DUE TO DOWNSLOPING...BUT COULD SEE SOME PRECIPITATION SPILL EAST OF THE DIVIDE LATE SUNDAY INTO SUNDAY NIGHT AS THE SHORTWAVE AND ASSOCIATED PACIFIC COLD FRONT ZIP EASTWARD ACROSS THE FORECAST AREA...BREAKING DOWN THE WARM RIDGE. GLOBAL MODELS THEN SHOW MAINLY DRY CONDITIONS WITH ONLY A HINT OF SOME LIGHT SNOWFALL OVER THE NORTHWESTERN MOUNTAINS MONDAY AND TUESDAY. HOWEVER BREEZY TO WINDY CONDITIONS WILL CONTINUE...FURTHER ENHANCING THE MILD AIRMASS...RISING INTO THE 90TH PERCENTILE FOR THIS TIME OF YEAR...WELL ABOVE NORMAL...POSSIBLY TRANSLATING TO WIDESPREAD HIGHS IN THE MID TO UPPER 50S EAST OF THE DIVIDE. && .AVIATION.../00Z ISSUANCE/ EAST OF THE DIVIDE...KCOD/KCPR/KLND/KRIW/KWRL ROUTES VFR CONDITIONS WILL PREVAIL OVER THE LOWER ELEVATIONS OF THE REGION THROUGH 00Z THURSDAY. ALONG AND NEAR THE CONTINENTAL DIVIDE IN THE MOUNTAINS AND OVER THE BIGHORN MOUNTAINS...AT ELEVATIONS ABOVE 9000 FEET...MVFR TO IFR CEILINGS AND VISIBILITIES REDUCED IN SNOW...BLOWING SNOW AND FOG WITH HIGHER MOUNTAINS BECOMING FREQUENTLY OBSCURED...WILL CONTINUE THROUGH 00Z THURSDAY. STRONG DOWNSLOPE WINDS ALONG AND NEAR THE EAST SLOPES OF THE MOUNTAINS WILL PRODUCE AREAS OF LOW LEVEL WIND SHEAR. WEST OF THE DIVIDE...KBPI/KJAC/KPNA/KRKS ROUTES MVFR TO IFR CEILINGS AND VISIBILITIES REDUCED IN SNOW...BLOWING SNOW AND FOG WITH MOUNTAINS FREQUENTLY OBSCURED...WILL CONTINUE THROUGH 00Z THURSDAY. KJAC AND KAFO WILL HAVE THE BEST CHANCES FOR REDUCED CEILINGS AND VISIBILITIES...FOLLOWED BY KBPI...KPNA AND KEMM. SNOW WILL INCREASE IN COVERAGE OVER WESTERN WY DURING THE DAY WEDNESDAY. EXPECT WINDY CONDITIONS AT KRKS. && .FIRE WEATHER... NO FIRE WEATHER CONCERNS THIS WEEK. BASIN INVERSIONS WILL CONTINUE TO ERODE IN THE WIND RIVER AND ABSAROKA FOOTHILLS IN ADDITION TO THE USUAL WIND CORRIDOR FROM KRKS TO KCPR...WITH THE RETURN OF GUSTY WEST TO SOUTHWEST WINDS BECOMING VERY STRONG BY WEDNESDAY. OTHERWISE...LIGHT TO MODERATE SNOW IN THE WESTERN MOUNTAINS TODAY WILL GIVE WAY TO HEAVY SNOW ON WEDNESDAY...BECOMING QUITE HEAVY AT TIMES THROUGH THURSDAY AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE THROUGH THE REGION. && .RIW WATCHES/WARNINGS/ADVISORIES... HIGH WIND WATCH FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING WYZ011-019-020. WINTER WEATHER ADVISORY FROM 5 AM WEDNESDAY TO 5 PM MST THURSDAY WYZ015-016-026-027. WINTER STORM WARNING FROM 5 AM WEDNESDAY TO 5 PM MST THURSDAY WYZ001-002-012>014-023>025. HIGH WIND WATCH FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT WYZ003. && SHORT TERM...C.BAKER MID TERM...SKRBAC LONG TERM...ALLEN AVIATION...C.BAKER FIRE WEATHER...C.BAKER
Hazardous weather outlook, Feb 11, 3:00 PM MST, 5 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 300 PM MST TUE FEB 11 2014 WYZ001>020-022>030-121400- 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- 300 PM MST TUE FEB 11 2014 ...WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES FOR PORTIONS OF WESTERN WYOMING WEDNESDAY THROUGH THURSDAY AFTERNOON... ...HIGH WIND WATCHES OVER PORTIONS OF NORTHERN AND CENTRAL WYOMING LATE TONIGHT AND WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT LIGHT SNOW ACROSS THE WESTERN MOUNTAINS AND VALLEYS. VERY STRONG WINDS COULD DEVELOP OVER THE CODY FOOTHILLS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WEDNESDAY AND THURSDAY...A MAJOR SNOWSTORM IS EXPECTED TO IMPACT MUCH OF WESTERN WYOMING. PLEASE SEE THE WINTER STORM WARNING FOR MORE DETAILS. ALSO STRONG TO POTENTIALLY DAMAGING WINDS COULD IMPACT THE CODY FOOTHILLS...AND THE WIND CORRIDOR FROM JEFFREY CITY TO CASPER WEDNESDAY. FRIDAY THROUGH SUNDAY...PERIODS OF SIGNIFICANT SNOWFALL WILL CONTINUE AT TIMES IN THE WESTERN MOUNTAINS AND POSSIBLY VALLEYS. STRONG WEST WINDS WILL BLOW OFF AND ON THROUGH THE PERIOD... ESPECIALLY IN THE WIND CORRIDOR FROM ROCK SPRINGS TO CASPER AND NEAR THE EAST SLOPE OF THE ABSAROKA AND WIND RIVER MOUNTAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. TEAM RIVERTON
In the hours before
Special weather statement, Feb 11, 5:10 PM MST, 3 hours 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 510 PM MST TUE FEB 11 2014 WYZ010-120130- NORTHEAST JOHNSON COUNTY- 510 PM MST TUE FEB 11 2014 ...SNOW SHOWERS MOVING THROUGH NORTHERN JOHNSON COUNTY... A BAND OF MODERATE TO HEAVY SNOW SHOWERS WILL MOVE THROUGH NORTHERN JOHNSON COUNTY UNTIL 630 PM. VISIBILITY WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. ROADS WILL BE SLUSHY AND SLICK DUE TO THE QUICK ACCUMULATING SNOWFALL. AROUND AN INCH OF SNOW IS POSSIBLE FROM THE HEAVY SNOW SHOWERS. MOTORISTS SHOULD BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS. AR
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.