Alert archive / Wyoming / High Wind Warnings in 2009
High Wind Warning 79, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 9, 2009, 5:33 AM MST for 4 counties in Wyoming. It was in force for 35 hr. 44 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 9, 2009, 5:33 AM MST (12:33 UTC)
- Expired
- Dec 10, 2009, 5:00 PM MST
- In force
- 35 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 12:35 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 |
|---|---|---|---|
| Dec 9, 5:46 AM MST | NON-TSTM WND GST 65 | Arlington, WY | THE HIGH SISTAINED WIND 40 TO 45 MPH WITH GUSTS 60 TO 65 MPH BETWEEN 0546 AM THROUGH 0741 AM. |
| Dec 9, 6:02 AM MST | NON-TSTM WND GST | Vedauwoo, WY | WIND SPEEDS AT 40 TO 50 MPH WITH GUSTS TO 65 MPH BETWEEN 6 AM TO 9 AM. |
| Dec 9, 6:02 AM MST | NON-TSTM WND DMG | Vedauwoo, WY | WIND SPEEDS AT 40 TO 50 MPH WITH GUSTS TO 65 MPH BETWEEN 6 AM TO 9 AM. |
| Dec 9, 7:00 AM MST | EXTR WIND CHILL -34 | Arlington, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -36 | Vedauwoo, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -31 | Arlington, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -30 | Pumpkin Vine, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -28 | Laramie, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -27 | Rawlins, WY | |
| Dec 9, 8:00 AM MST | EXTR WIND CHILL -24 | Rawlins, WY | |
| Dec 9, 9:07 AM MST | NON-TSTM WND GST 66 | Vedauwoo, WY | WYDOT SENSOR ALONG I-80 ELEV. 8399 FT. |
| Dec 9, 9:31 AM MST | NON-TSTM WND GST 60 | Arlington, WY | WYDOT SENSOR ALONG I-80 ELEV. 7763 FT. |
| Dec 9, 10:06 AM MST | NON-TSTM WND GST 61 | Arlington, WY | WYDOT SENSOR ALONG I-80 ELEV. 7763 FT. |
| Dec 9, 10:17 AM MST | NON-TSTM WND GST 69 | Vedauwoo, WY | WYDOT SENSOR ALONG I-80 ELEV. 8399 FT. SUSTAINED WINDS 40-50 MPH FROM 837 AM MST TO 1112 AM MST |
| Dec 9, 11:00 AM MST | NON-TSTM WND GST 66 | 2 W Buford, WY | UPRR SITE UP 203. ELEV. 7979 FT. |
| Dec 9, 12:01 PM MST | NON-TSTM WND GST 55 | Rawlins, WY | SUSTAINED WIND AT TIME OF PEAK GUST WAS 43 MPH. |
| Dec 9, 12:01 PM MST | NON-TSTM WND GST 55 | Rawlins, WY | |
| Dec 9, 12:36 PM MST | NON-TSTM WND GST 68 | Arlington, WY | STRONGEST GUST BETWEEN 1031 PM MST WEDNESDAY AND 630 AM MST TODAY. SUSTAINED WIND AT TIME OF GUST WAS 43 MPH. NUMEROUS REPORTS OF SUSTAINED WINDS IN EXCESS FO 40 MPH BETWEEN 1031 PM MST AND 431 AM MST. |
| Dec 9, 12:41 PM MST | NON-TSTM WND GST 62 | Arlington, WY | WYDOT SENSOR ALONG I-80 ELEV. 7763 FT. SUSTAINED WINDS 40-45 MPH FROM 911 AM MST TO 1116 AM MST. |
| Dec 9, 12:55 PM MST | NON-TSTM WND GST 60 | Bordeaux, WY | |
| Dec 9, 2:13 PM MST | NON-TSTM WND GST 53 | Laramie, WY | |
| Dec 9, 2:46 PM MST | NON-TSTM WND GST 60 | Arlington, WY | |
| Dec 9, 4:11 PM MST | NON-TSTM WND GST 66 | Arlington, WY | WYDOT SENSOR ALONG I-80 ELEV. 7763 FT. |
| Dec 9, 4:26 PM MST | NON-TSTM WND GST 64 | Arlington, WY | WYDOT SENSOR ALONG I-80 ELEV. 7763 FT. SUSTAINED WINDS 40-50 MPH FROM 211 PM MST TO 441 PM MST |
| Dec 9, 10:00 PM MST | EXTR WIND CHILL -20 | 5 N Rock River, WY | |
| Dec 9, 10:05 PM MST | EXTR WIND CHILL -23 | N Whitaker, WY | WIND CHILL VALUES RANGED FROM -19 TO -23 DEGREES FROM 9 PM TO 1145 PM 12/9...AND -20 TO -22 FROM 1245 AM TO 225 AM. |
| Dec 9, 10:25 PM MST | EXTR WIND CHILL -29 | 3 E Sinclair, WY | WIND CHILL VALUES RANGED FROM -20 TO -29 DEGREES FROM 9 PM 12/9 TO 4 AM 12/10. |
| Dec 9, 10:30 PM MST | EXTR WIND CHILL -23 | 1 Wnw Seminoe Dam, WY | WIND CHILL OF -21 ALSO MEASURED AT 630 AM 12/10. |
| Dec 9, 10:31 PM MST | NON-TSTM WND GST 66 | Arlington, WY | WYDOT SENSOR ALONG I-80. ELEV. 7763 FT. SUSTAINED WINDS 40-45 MPH FROM 917 PM MST TO 1141 PM MST. |
| Dec 9, 11:00 PM MST | NON-TSTM WND GST 66 | 3 S Federal, WY | |
| Dec 9, 11:35 PM MST | EXTR WIND CHILL -28 | 1 E Skyline, WY | WIND CHILL VALUES RANGED FROM -21 TO -28 DEGREES FROM 9 PM 12/9 TO 130 AM 12/10. |
| Dec 9, 11:55 PM MST | EXTR WIND CHILL -27 | 9 W Medicine Bow, WY | WIND CHILL VALUES RANGED FROM -20 TO -27 DEGREES FROM 905 PM 12/9 TO 355 AM 12/10. |
| Dec 10, 12:44 AM MST | EXTR WIND CHILL -30 | 11 Sse Garrett, WY | WIND CHILL VALUES RANGED FROM -21 TO -30 FROM 944 PM 12/9 TO 644 AM 12/10 |
| Dec 10, 12:46 AM MST | EXTR WIND CHILL -33 | N Arlington, WY | WIND CHILL VALUES RANGED FROM -23 TO -33 DEGREES FROM 9 PM 12/9 TO 651 AM 12/10. |
| Dec 10, 1:20 AM MST | EXTR WIND CHILL -22 | 10 Nnw Laramie, WY | WIND CHILL VALUES RANGED FROM -20 TO -22 FROM 12 AM TO 2 AM. |
| Dec 10, 1:45 AM MST | EXTR WIND CHILL -27 | 4 Ese I-80 Exit 345, WY | WIND CHILL VALUES RANGED FROM -17 TO -27 DEGREES FROM 9 PM 12/9 TO 6 AM 12/10. |
| Dec 10, 2:02 AM MST | EXTR WIND CHILL -33 | N Vedauwoo, WY | WIND CHILL VALUES RANGED FROM -24 TO -33 DEGREES FROM 9 PM 12/9 TO 707 AM 12/10. |
| Dec 10, 2:02 AM MST | HIGH SUST WINDS 40 | Vedauwoo, WY | LATEST HIGH SUSTAINED WIND...ALSO OBSERVED AT 1007 PM MST WEDNESDAY EVENING. GUSTS DURING PERIODS OF SUSTAINED WINDS WERE 50 TO 52 MPH. |
| Dec 10, 2:15 AM MST | EXTR WIND CHILL -28 | Gun Barrel, WY | WIND CHILL VALUES RANGED FROM -20 TO -28 FROM 1025 PM 12/9 TO 1145 PM 12/9...ALSO FROM -21 TO -28 FROM 205 AM TO 225 AM. |
| Dec 10, 2:53 AM MST | EXTR WIND CHILL -26 | Rawlins, WY | WIND CHILL VALUES RANGED FROM -20 TO -26 DEGREES FROM 946 PM 12/9 TO 453 AM 12/10. |
| Dec 10, 4:30 AM MST | NON-TSTM WND GST 62 | 4 Wnw Warren Af Base, WY | POLO RANCH OBSERVATION SITE. SUSTAINED WIND AT TIME OF HIGHEST GUST WAS 50 MPH. NUMEROUS REPORTS SINCE 300 AM MST OF SUSTAINED WINDS OF 35 TO 45 MPH AND GUSTS OF 45 TO 62 MPH. |
| Dec 10, 4:43 AM MST | EXTR WIND CHILL -26 | 10 E Dad, WY | WIND CHILL VALUES RANGED FROM -23 TO -26 DEGREES FROM 443 AM TO 543 AM. |
| Dec 10, 5:05 AM MST | NON-TSTM WND GST 63 | 4 Ssw I-25 Exit 7, WY | HIGHEST GUST SINCE SPEEDS INCREASED AROUND 300 AM MST. SUSTAINED WIND AT TIME OF GUST WAS 43 MPH. SUSTAINED WIND OF 50 MPH REPORTED AT 445 AM MST...AND NUMEROUS REPORTS OF SUSTAINED WINDS IN EXCESS OF 40 MPH OBSERVED FROM 300 AM MST THROUGH 615 AM MST. |
| Dec 10, 2:31 PM MST | NON-TSTM WND GST 52 | Arlington, WY | OTHER 52 MPH GUSTS AT 1421, 1416, 1411. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 0.6 hours before the alert went out and 278 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
- 966 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KCYS 091233 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 533 AM MST WED DEC 9 2009 ...VERY STRONG WINDS POSSIBLE ACROSS SOUTHEAST WYOMING TODAY THROUGH THURSDAY AFTERNOON... .SURFACE HIGH PRESSURE ACROSS THE GREAT BASIN WILL COMBINE WITH LOW PRESSURE OVER THE EASTERN HALF OF THE UNITED STATES TO INCREASE WIND SPEEDS ACROSS THE NORTHERN AND CENTRAL ROCKIES TODAY THROUGH THURSDAY. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF ACCUMULATED SNOWFALL ACROSS THE AREA...ALONG WITH VERY COLD WIND CHILL VALUES. STRONGEST WIND SPEEDS CAN BE EXPECTED TONIGHT THROUGH MID-AFTERNOON THURSDAY. WYZ110-116-092045- /O.UPG.KCYS.HW.A.0014.091210T0300Z-091210T2100Z/ /O.NEW.KCYS.HW.W.0079.091209T1233Z-091210T2100Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 533 AM MST WED DEC 9 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 2 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 2 PM MST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING: STRONGEST WINDS ARE EXPECTED TO DEVELOP BY AROUND 8 PM MST THIS EVENING AND CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 80 ACROSS THE SUMMIT OF THE LARAMIE RANGE NEAR VEDAUWOO AND NEAR ARLINGTON.. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ106-117-092045- /O.CON.KCYS.HW.A.0014.091210T0300Z-091210T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER 533 AM MST WED DEC 9 2009 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... A HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * TIMING: STRONGEST WINDS ARE EXPECTED TO DEVELOP BY AROUND 8 PM MST THIS EVENING AND CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 25 NEAR THE COLORADO STATE LINE AND NEAR BORDEAUX. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ CARPENTER
8 follow-up statements
000 WWUS75 KCYS 091321 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 621 AM MST WED DEC 9 2009 ...VERY STRONG WINDS POSSIBLE ACROSS SOUTHEAST WYOMING TODAY THROUGH THURSDAY AFTERNOON... .SURFACE HIGH PRESSURE ACROSS THE GREAT BASIN WILL COMBINE WITH LOW PRESSURE OVER THE EASTERN HALF OF THE UNITED STATES TO INCREASE WIND SPEEDS ACROSS THE NORTHERN AND CENTRAL ROCKIES TODAY THROUGH THURSDAY. THIS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF ACCUMULATED SNOWFALL ACROSS THE AREA...ALONG WITH VERY COLD WIND CHILL VALUES. STRONGEST WIND SPEEDS CAN BE EXPECTED TONIGHT THROUGH MID-AFTERNOON THURSDAY. WYZ110-116-092130- /O.CON.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 621 AM MST WED DEC 9 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING: HIGH WINDS HAVE ALREADY DEVELOPED THIS MORNING AND WILL CONTINUE TO INCREASE WITH THE STRONGEST WINDS EXPECTED BY AROUND 8 PM MST THIS EVENING. HIGH WINDS WILL CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 80 ACROSS THE SUMMIT OF THE LARAMIE RANGE NEAR VEDAUWOO AND NEAR ARLINGTON.. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ106-117-092130- /O.CON.KCYS.HW.A.0014.091210T0300Z-091210T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER 621 AM MST WED DEC 9 2009 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... A HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * TIMING: STRONGEST WINDS ARE EXPECTED TO DEVELOP BY AROUND 8 PM MST THIS EVENING AND CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 25 NEAR THE COLORADO STATE LINE AND NEAR BORDEAUX. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
000 WWUS75 KCYS 091556 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 856 AM MST WED DEC 9 2009 ...VERY STRONG WINDS WILL OCCUR ACROSS SOUTHEAST WYOMING TODAY THROUGH THURSDAY AFTERNOON... .SURFACE HIGH PRESSURE ACROSS THE GREAT BASIN WILL COMBINE WITH LOW PRESSURE OVER THE EASTERN HALF OF THE UNITED STATES TO HELP PRODUCE STRONG WINDS MAINLY OVER AND NEAR THE SNOWY AND LARAMIE RANGES THE REST OF TODAY THROUGH THURSDAY. THE STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF ACCUMULATED SNOWFALL ACROSS THE AREA...ALONG WITH VERY COLD WIND CHILL VALUES. STRONGEST WIND SPEEDS CAN BE EXPECTED TONIGHT THROUGH MID AFTERNOON THURSDAY. WYZ106-117-100000- /O.UPG.KCYS.HW.A.0014.091210T0300Z-091210T2100Z/ /O.EXB.KCYS.HW.W.0079.091210T0200Z-091210T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER 856 AM MST WED DEC 9 2009 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 2 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 2 PM MST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING: STRONGEST WINDS ARE EXPECTED TO DEVELOP BY AROUND 8 PM MST THIS EVENING AND CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 25 NEAR THE COLORADO STATE LINE AND NEAR BORDEAUX. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT DURING THAT TIME. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ110-116-100000- /O.CON.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 856 AM MST WED DEC 9 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING: HIGH WINDS HAVE ALREADY OCCURRED EARLIER THIS MORNING. THE WINDS HAVE DIMINISHED SOME BY 8 AM...BUT WILL INCREASE ONCE AGAIN THIS EVENING. THE STRONGEST WINDS ARE EXPECTED BY AROUND 8 PM MST THIS EVENING. HIGH WINDS WILL CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 40 MPH WITH SOME GUSTS TO AROUND 60 MPH WILL BE POSSIBLE ALONG INTERSTATE 80 ACROSS THE SUMMIT OF THE LARAMIE RANGE NEAR VEDAUWOO AND NEAR ARLINGTON THE REST OF TODAY. BY 8 PM...WIND SPEEDS ARE EXPECTED TO BE SUSTAINED AT 35 TO 50 MPH WITH SOME GUSTS TO 65 MPH. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT DURING THAT TIME. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WEILAND
000 WWUS75 KCYS 092126 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 226 PM MST WED DEC 9 2009 ...STRONG WINDS WILL OCCUR ACROSS MUCH OF SOUTHEAST WYOMING THROUGH THURSDAY AFTERNOON... .A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS THE REGION AND THE JET STREAM OVERHEAD WILL COMBINE TO PRODUCE STRONG WINDS OVER MUCH OF SOUTHEAST WYOMING THROUGH THURSDAY AFTERNOON. THE WINDS WILL BE STRONGEST OVER AND NEAR THE SNOWY AND LARAMIE RANGES. THE STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF ACCUMULATED SNOWFALL ACROSS THE AREA...ALONG WITH VERY COLD WIND CHILL VALUES. WYZ106-117-100600- /O.EXT.KCYS.HW.W.0079.091210T0000Z-091210T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER 226 PM MST WED DEC 9 2009 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 2 PM MST THURSDAY... THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING: STRONGEST WINDS ARE EXPECTED TO DEVELOP BY AROUND 5 PM MST THIS EVENING AND CONTINUE THROUGH AROUND 2 PM MST THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 30 TO 45 MPH AND GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 25 NEAR THE COLORADO STATE LINE AND NEAR BORDEAUX. * IMPACTS: THE DEVELOPMENT OF VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS... ESPECIALLY FOR THOSE IN LIGHTWEIGHT OR HIGH PROFILE VEHICLES. IN ADDITION... BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW REMAINS IN EFFECT THROUGH 2 PM THURSDAY OVER THE 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ110-116-100600- /O.CON.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 226 PM MST WED DEC 9 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING: STRONG WINDS WILL CONTINUE THROUGH 2 PM THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 35 TO 50 MPH WITH SOME GUSTS TO AROUND 65 MPH WILL BE POSSIBLE ALONG INTERSTATE 80 ACROSS THE SUMMIT OF THE LARAMIE RANGE AND NEAR ARLINGTON STARTING AROUND 5 PM AND LASTING THROUGH 2 PM THURSDAY. * IMPACTS: THE VERY STRONG WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING OF SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. IN ADDITION...BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT THROUGH 2 PM THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WEILAND
000 WWUS75 KCYS 100542 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1042 PM MST WED DEC 9 2009 ...STRONG WEST WINDS WILL CONTINUE THROUGH THURSDAY AFTERNOON MAINLY OVER AREAS ALONG AND WEST OF INTERSTATE 25... .A LARGE PRESSURE DIFFERENCE ACROSS THE REGION WILL COMBINE WITH JET STREAM WINDS ALOFT TO PRODUCE STRONG WEST WINDS THROUGH THURSDAY AFTERNOON. THE WINDS WILL BE STRONGEST ALONG AND WEST OF I-25...ESPECIALLY OVER AND NEAR THE SNOWY AND LARAMIE RANGES. THE STRONG WINDS WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW...AND VERY COLD WIND CHILL TEMPERATURES. WYZ106-110-116-117-101230- /O.CON.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 1042 PM MST WED DEC 9 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING: STRONG WEST WINDS WILL CONTINUE THROUGH 2 PM THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH WILL OCCUR ALONG INTERSTATE 80 ACROSS THE SUMMIT WEST OF CHEYENNE AND NEAR ARLINGTON...AND ON I-25 NEAR THE COLORADO BORDER AND BETWEEN CHUGWATER AND WHEATLAND THROUGH 2 PM THURSDAY. * IMPACTS: THE VERY STRONG WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. IN ADDITION...BITTERLY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT THROUGH 2 PM THURSDAY. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ JLH
000 WWUS75 KCYS 101158 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 458 AM MST THU DEC 10 2009 ...STRONG WEST WINDS WILL CONTINUE THROUGH TODAY MAINLY OVER AREAS ALONG AND WEST OF INTERSTATE 25... .A LARGE PRESSURE DIFFERENCE ACROSS THE REGION WILL COMBINE WITH JET STREAM WINDS ALOFT TO PRODUCE STRONG WEST WINDS THROUGH THIS AFTERNOON. THE WINDS WILL BE STRONGEST ALONG AND WEST OF I-25...ESPECIALLY NEAR THE SNOWY AND LARAMIE RANGES. THE STRONG WINDS WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW...AND VERY COLD WIND CHILL TEMPERATURES. WYZ106-110-102000- /O.EXT.KCYS.HW.W.0079.000000T0000Z-091211T0000Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN 458 AM MST THU DEC 10 2009 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING: STRONG WESTERLY WINDS WILL CONTINUE THROUGH 5 PM THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS TO UP 65 MPH WILL OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON THROUGH LATE THIS AFTERNOON. * IMPACTS: THE VERY STRONG WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. IN ADDITION...VERY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT THROUGH 2 PM THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ116-117-102000- /O.CON.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER 458 AM MST THU DEC 10 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. * TIMING: STRONG WEST WINDS WILL CONTINUE THROUGH 2 PM THURSDAY. * WINDS: SUSTAINED WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH WILL OCCUR ALONG INTERSTATE 80 ACROSS THE SUMMIT WEST OF CHEYENNE...AND ON I-25 NEAR THE COLORADO BORDER AND BETWEEN CHUGWATER AND WHEATLAND THROUGH 2 PM TODAY. * IMPACTS: THE VERY STRONG WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. IN ADDITION...VERY COLD WIND CHILL VALUES WILL MAKE BEING OUTSIDE DANGEROUS FOR ANY EXTENDED PERIOD OF TIME. A WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL REMAIN IN EFFECT THROUGH 2 PM THURSDAY. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ RJM
000 WWUS75 KCYS 101821 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1121 AM MST THU DEC 10 2009 ...STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON OVER AND NEAR THE MOUNTAINS... .A LARGE PRESSURE DIFFERENCE ACROSS THE REGION WILL COMBINE WITH JET STREAM WINDS ALOFT TO PRODUCE STRONG WEST WINDS THROUGH THIS AFTERNOON. THE WINDS WILL BE STRONGEST OVER AND NEAR THE SNOWY AND LARAMIE RANGES. THE STRONG WINDS WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW...AND COLD WIND CHILL TEMPERATURES. WYZ116-117-101930- /O.CAN.KCYS.HW.W.0079.000000T0000Z-091210T2100Z/ SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER 1121 AM MST THU DEC 10 2009 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE HIGH WIND WARNING. THE STRONG WEST WINDS HAVE GRADUALLY DIMINISHED OVER THE AREA SINCE SUNRISE. THROUGH THE AFTERNOON...THE WINDS WILL BE SUSTAINED AT 25 TO 35 MPH WITH GUSTS TO 45 MPH. THE HIGH WIND WARNING WILL BE CANCELLED AS THE WINDS WILL NOT MEET THE WARNING CRITERIA OF GUSTS TO 60 MPH OR MORE. HOWEVER...THE WINDS WILL STILL BE STRONG ENOUGH TO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. THIS WILL BE THE MOST COMMON NEAR THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE. $$ WYZ106-110-102300- /O.CON.KCYS.HW.W.0079.000000T0000Z-091211T0000Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN 1121 AM MST THU DEC 10 2009 ...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. * TIMING: STRONG WESTERLY WINDS WILL CONTINUE THROUGH 5 PM. * WINDS: SUSTAINED WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH WILL OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON AND INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND THROUGH LATE THIS AFTERNOON. * IMPACTS: THE VERY STRONG WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. 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. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WEILAND
000 WWUS75 KCYS 102131 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 231 PM MST THU DEC 10 2009 ...STRONG WEST WINDS WILL CONTINUE THROUGH THE AFTERNOON OVER AND NEAR THE MOUNTAINS... .A LARGE PRESSURE DIFFERENCE ACROSS THE REGION WILL COMBINE WITH JET STREAM WINDS ALOFT TO PRODUCE STRONG WEST WINDS THROUGH THIS AFTERNOON. THE WINDS WILL BE STRONGEST OVER AND NEAR THE SNOWY AND LARAMIE RANGES. THE STRONG WINDS WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW...AND COLD WIND CHILL TEMPERATURES. WYZ106-110-110000- /O.CON.KCYS.HW.W.0079.000000T0000Z-091211T0000Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN 231 PM MST THU DEC 10 2009 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING: STRONG WESTERLY WINDS WILL CONTINUE THROUGH 5 PM. * WINDS: SUSTAINED WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH WILL OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON AND INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND THROUGH LATE THIS AFTERNOON. WIND GUSTS THIS AFTERNOON SO FAR HAVE BEEN BETWEEN 45 AND 55 MPH AT ARLINGTON AND BETWEEN 40 AND 45 MPH BETWEEN CHUGWATER AND WHEATLAND. * IMPACTS: THE VERY STRONG WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...REDUCED VISIBILITIES AND GENERALLY HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY FOR THOSE IN HIGH PROFILE OR LIGHTWEIGHT VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WEILAND
000 WWUS75 KCYS 110006 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 506 PM MST THU DEC 10 2009 WYZ106-110-110115- /O.EXP.KCYS.HW.W.0079.000000T0000Z-091211T0000Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN 506 PM MST THU DEC 10 2009 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. WEST WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THIS EVENING. UNTIL 8 PM MST...SUSTAINED WINDS WILL BE FROM 25 TO 35 MPH WITH SOME GUSTS AROUND 50 MPH BUT THESE SPEEDS ARE BELOW HIGH WIND LEVELS. WINDS WILL BE DOWN TO 15 TO 30 MPH BY MIDNIGHT. $$ JLH
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 Cheyenne, WY wrote its last area forecast discussion before this high wind warning went out at Dec 9, 5:17 AM MST, 16 minutes earlier.
Area forecast discussion, Dec 9, 5:17 AM MST, 16 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
517 AM MST WED DEC 9 2009
.SHORT TERM...TODAY THROUGH THURSDAY NIGHT...
MAIN CONCERNS TODAY CONTINUE TO BE BITTERLY COLD WIND CHILL
TEMPERATURES AND THE BLOWING SNOW EVENT EXPECTED TODAY THROUGH
THURSDAY AFTERNOON. HAVE DECIDED TO EXTEND THE WINTER WEATHER
ADVISORY FOR BLOWING SNOW FARTHER OUT IN TIME AS WIND SPEEDS ARE
NOW EXPECTED TO REMAIN STRONG ALONG AND WEST OF THE LARAMIE RANGE
THROUGH MID-AFTERNOON THURSDAY. WILL ALSO EXTEND THE WIND CHILL
ADVISORY UNTIL 11 AM MST AS WIDESPREAD VALUES OF -20 TO -30...AND
LOCALLY COLDER...SHOULD CONTINUE AS THE WINDSPEEDS INCREASE.
SURFACE PRESSURE FALLS CONTINUE EARLY THIS MORNING EAST OF THE
ROCKIES WHILE PRESSURE RISES ARE PRESENT ACROSS THE GREAT BASIN
AND SOUTHEAST INTO TEXAS. THIS TIGHTENING OF THE SURFACE PRESSURE
GRADIENT IS RESULTING IN WINDS INCREASING IN SPEED ACROSS
SOUTHEAST WYOMING. WIND SPEEDS WILL CONTINUE TO INCREASE THROUGH
THE MORNING AND THE WINTER WEATHER ADVISORY FOR BLOWING SNOW WILL
BEGIN AT 8 AM MST. VISIBILITY WILL BE SIGNIFICANTLY IMPACTED...
CREATING HAZARDOUS TRAVEL CONDITIONS ALONG AND WEST OF THE LARAMIE
RANGE.
PRESSURE GRADIENTS WILL CONTINUE TO INCREASE INTO TONIGHT...AND
WITH MID-LEVEL WINDS FORECAST TO BE AROUND 50 KNOTS WILL ALSO
ISSUE A HIGH WIND WATCH BEGINNING AT 8 PM MST TONIGHT AND
CONTINUING THROUGH 2 PM MST THURSDAY FOR THE USUAL HIGH WIND
AFFECTED ZONES COVERING THE ARLINGTON...BORDEAUX AND SOUTHERN
LARAMIE RANGE AREAS.
WIDESPREAD PRECIPITATION IS NOT EXPECTED THROUGH THE PERIOD...BUT
WITH DEEP NORTHWEST FLOW IN PLACE THERE WILL BE INCREASED CHANCES
FOR UPSLOPE SNOW SHOWERS INTO THE SIERRA MADRE AND SNOWY RANGES
TODAY AND TONIGHT.
TEMPERATURES TODAY WILL CONTINUE TO BE AROUND 25 TO 30 DEGREES
BELOW NORMALS FOR EARLY TO MID-DECEMBER. TEMPERATURES WILL WARM
SLIGHTLY THURSDAY...BUT VALUES ARE STILL EXPECTED TO BE 20 TO 25
DEGREES COLDER THAN NORMAL.
.LONG TERM...FRIDAY THROUGH TUESDAY NIGHT...00Z GUIDANCE IS NOW
TRENDING TOWARD A SOLUTION THAT DIGS THE STRONG UPPER LOW OVER
CANADA FURTHER NORTH WHICH WILL MEAN INCREASING HEIGHTS ALOFT OVER
THE WESTERN US. THIS IS SUPPORTED BY THE GFS AND ECMWF ENSEMBLE
MEANS SO WILL PUT SOME STOCK INTO THIS SOLUTION. WITH THAT
SAID...WILL TREND TOWARD A WARMER AND DRIER FORECAST OVERALL WITH
STRONG AND GUSTY WINDS BEING THE MAIN CONCERN THROUGHOUT MUCH OF THE
PERIOD. AS THE STRONG UPPER LOW DIGS ACROSS CENTRAL CANADA...WILL
SEE SFC LEESIDE TROUGH DEEPEN IN RESPONSE. COMBINED WITH A
PERSISTENT SFC HIGH PRESSURE OVER THE CENTRAL ROCKIES...WILL SEE
STRONG WESTERLY WINDS FRIDAY AND SATURDAY IN THE FOOTHILLS OF THE
LARAMIE RANGE AND LOCATIONS TO THE WEST. WITH THIS
PATTERN...EXPECT OROGRAPHICALLY INDUCED SNOW SHOWERS OVER THE
HIGHER TERRAIN WITH SLIGHTLY WARMER TEMPERATURES ACROSS THE PLAINS
OF WYOMING AND THE NEBRASKA PANHANDLE. WINDS WILL REMAIN GUSTY ON
SUNDAY BUT WILL BE A BIT LESS AS A BACKDOOR TYPE COLD FRONT
ATTEMPTS TO OOZE ITS WAY INTO THE CWA IN THE AFTERNOON. BOTH GFS
AND ECMWF HINT AT LIGHT SNOW SHOWERS OCCURRING BEHIND THE FRONT
ACROSS MAINLY NORTHERN AND EASTERN ZONES SO KEPT SLIGHT CHANCE
POPS IN THIS AREA. SFC HIGH PRESSURE WILL THEN BEGIN TO SLIDE INTO
THE CENTRAL PLAINS LATE SUNDAY INTO MONDAY WHICH WILL REDUCE
CHANCES FOR MOUNTAIN SNOW SHOWERS AND BRING SLIGHTLY COOLER MAX
TEMPS TO NORTHERN AND EASTERN ZONES MONDAY. MODELS SHOW A
SHORTWAVE RIDGE BUILDING OVER THE WESTERN US MONDAY AND TUESDAY
WITH HIGH PRESSURE BUILDING OVER THE ROCKIES AGAIN TUESDAY
COMBINING WITH A DEEPENING LEESIDE TROUGH. SO COULD SEE WESTERLY
WINDS INCREASE ONCE AGAIN OVER FAVORED AREAS IN THE WESTERN ZONES
FOR TUESDAY AND TUESDAY NIGHT. OVERALL...LOOKS TO BE A RESPITE
FROM THE EXTREME COLD AND SNOW THAT HAS AFFECTED THE CWA OVER
RECENT TIMES.
&&
.AVIATION...GUSTY WEST WINDS WILL CREATE WIDESPREAD BLOWING AND
DRIFTING SNOW TODAY ALONG AND WEST OF A LINE FROM NEAR KIMBALL,
NEBRASKA TO DOUGLAS, WYOMING. SURFACE VISIBILITIES CAN BE EXPECTED
TO DROP TO LESS THAN ONE-MILE DUE TO THE BLOWING AND DRIFTING SNOW
IN THE WESTERN AREAS. CLOUD COVER WILL NOT BE A FACTOR EXCEPT OVER
THE HIGHER TERRAIN WHERE MOUNTAIN OBSCURATION CAN BE EXPECTED WITH
ANY SNOW SHOWERS THAT DEVELOP FROM THE UPSLOPE FLOW INTO THE
SIERRA MADRE AND SNOWY RANGES TODAY. WINDY CONDITIONS AND BLOWING
SNOW ARE EXPECTED TO REMAIN A CONCERN THROUGH MID-AFTERNOON
THURSDAY.
&&
.FIRE WEATHER...BITTERLY COLD TEMPERATURES WILL BE PRESENT EARLY
THIS MORNING ALONG WITH DANGEROUSLY COLD WIND CHILL VALUES. WINDS
WILL BE INCREASING WITH THE STRONGEST WINDS EXPECTED TO CREATE
SIGNIFICANT BLOWING AND DRIFTING SNOW AND TRAVEL HAZARDS ALONG AND
WEST OF THE LARAMIE RANGE THROUGH MID-AFTERNOON THURSDAY. A
GRADUAL WARMING TREND IS STILL EXPECTED TO BRING NEAR NORMAL
TEMPERATURES BY THE WEEKEND...BUT HIGHS TODAY WILL STILL BE AROUND
25 DEGREES BELOW NORMAL AND THURSDAY HIGHS ARE EXPECTED TO BE
AROUND 20 DEGREES BELOW NORMAL.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WIND CHILL ADVISORY UNTIL 11 AM WEDNESDAY FOR WYZ101-WYZ102-
WYZ103-WYZ104-WYZ105-WYZ106-WYZ107-WYZ108-WYZ109-WYZ110-
WYZ111-WYZ112-WYZ113-WYZ114-WYZ115-WYZ116-WYZ117-WYZ118-
WYZ119.
WINTER WEATHER ADVISORY UNTIL 2 PM THURSDAY FOR WYZ103-WYZ104-
WYZ105-WYZ106-WYZ107-WYZ109-WYZ110-WYZ111-WYZ112-WYZ113-
WYZ114-WYZ115-WYZ116-WYZ117-WYZ118-WYZ119.
HIGH WIND WATCH FROM 8 PM WEDNESDAY TO 2 PM THURSDAY FOR WYZ106-
WYZ110-WYZ116-WYZ117.
NE...WIND CHILL ADVISORY UNTIL 11 AM WEDNESDAY FOR NEZ002-NEZ003-
NEZ019-NEZ020-NEZ021-NEZ054-NEZ055-NEZ095-NEZ096.
&&
SHORT TERM/AVIATION/FIRE WEATHER...CARPENTER
LONG TERM...RJMHazardous weather outlook, Dec 8, 8:10 PM MST, 9 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 810 PM MST TUE DEC 8 2009 WYZ103>107-109>119-091245- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 810 PM MST TUE DEC 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT SOME LIGHT SNOW OR FLURRIES WILL PERSIST UNTIL AROUND MIDNIGHT WITH ANY ADDITIONAL ACCUMULATION REMAINING BELOW AN INCH. WEST WINDS WILL INCREASE LATE IN MANY PLACES AND PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. WIND CHILL VALUES WILL BE FROM 20 TO 30 BELOW ZERO...WITH A WIND CHILL ADVISORY IN EFFECT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NORTHWEST WINDS WILL BE STRONG WEDNESDAY THROUGH THURSDAY. THE WINDS WILL BE SUSTAINED AT 25 TO 35 MPH WITH GUSTS AS HIGH AS 50 MPH. THE WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND VERY COLD WIND CHILL VALUES ESPECIALLY ON WEDNESDAY AND WEDNESDAY NIGHT. THE VISIBILITIES IN BLOWING SNOW WILL BE NEAR ZERO IN SOME PLACES AT TIMES. WIND CHILL VALUES WILL AGAIN DROP TO 20 TO 30 BELOW ZERO ON WEDNESDAY NIGHT. TRAVEL WILL BE VERY HAZARDOUS OVER THE AREA WEDNESDAY AND WEDNESDAY NIGHT WITH THE SLICK ROADS AND REDUCED VISIBILITY. A WINTER WEATHER ADVISORY IS IN EFFECT FOR WEDNESDAY AND WEDNESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ101-102-108-091245- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-GOSHEN COUNTY- 810 PM MST TUE DEC 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING. .DAY ONE...TONIGHT SOME LIGHT SNOW OR FLURRIES WILL PERSIST UNTIL AROUND MIDNIGHT WITH LITTLE ADDITIONAL ACCUMULATION. WIND CHILL VALUES WILL BE FROM 20 TO 30 BELOW ZERO TONIGHT WITH A WIND CHILL ADVISORY IN EFFECT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NORTHWEST WINDS WILL INCREASE WEDNESDAY THROUGH THURSDAY. THE WINDS WILL BE SUSTAINED AT 20 TO 30 MPH WITH GUSTS AS HIGH AS 40 MPH. THE WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW AND VERY COLD WIND CHILL VALUES ESPECIALLY ON WEDNESDAY AND WEDNESDAY NIGHT. WIND CHILL VALUES WILL AGAIN BE 20 TO 30 BELOW ZERO ON WEDNESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-091245- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 810 PM MST TUE DEC 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TONIGHT LIGHT SNOW WILL REMAIN LIKELY UNTIL AROUND MIDNIGHT. ANY NEW SNOWFALL WILL BE AN INCH OR LESS. WIND CHILL VALUES WILL BE FROM 20 TO 30 BELOW ZERO WITH A WIND CHILL ADVISORY IN EFFECT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NORTHWEST WINDS WILL BLOW AT 10 TO 15 MPH ON WEDNESDAY...AND 15 TO 20 MPH THURSDAY. EVEN THESE WIND SPEEDS WILL BE ENOUGH TO PRODUCE LOCAL BLOWING AND DRIFTING SNOW. WIND CHILL VALUES WILL AGAIN DROP TO 20 TO 30 BELOW ZERO ON WEDNESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
In the hours before
Local storm report, Dec 9, 4:43 AM MST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
443 AM MST WED DEC 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0349 AM EXTR WIND CHILL CHADRON AIRPORT 42.84N 103.10W
12/09/2009 M-30 F DAWES NE OFFICIAL NWS OBS
0349 AM EXTR WIND CHILL SCOTTSBLUFF 41.87N 103.66W
12/09/2009 M-28 F SCOTTS BLUFF NE MESONET
LAST OF SEVERAL REPORTS OF WIND CHILLS -20 TO -28 BETWEEN
1149 PM MST AND 349 AM MST.
0353 AM EXTR WIND CHILL ALLIANCE AIRPORT 42.05N 102.81W
12/09/2009 M-44 F BOX BUTTE NE OFFICIAL NWS OBS
COLDEST WIND CHILL REPORT. SEVERAL WIND CHILL REPORTS OF
-20 TO -38 DEGREES OBSERVED BETWEEN 953 PM MST AND 253 AM
MST.
0120 AM EXTR WIND CHILL SIDNEY 41.13N 102.97W
12/09/2009 M-27 F CHEYENNE NE MESONET
COLDEST WIND CHILL REPORT. MESONET SITE HAD SEVERAL
REPORTS OF WIND CHILL VALUES -20 TO -27 DEGREES BETWEEN
305 PM MST AND 355 AM MST.
0304 AM EXTR WIND CHILL SIDNEY AIRPORT 41.10N 102.99W
12/09/2009 M-31 F CHEYENNE NE OFFICIAL NWS OBS
COLDEST WIND CHILL REPORT. SEVERAL REPORTS OF -20 TO -30
DEGREE WIND CHILLS BETWEEN 653 PM MST AND 353 AM MST.
0230 AM EXTR WIND CHILL KIMBALL AIRPORT 41.19N 103.68W
12/09/2009 M-34 F KIMBALL NE OFFICIAL NWS OBS
COLDEST WIND CHILL REPORT. SEVERAL REPORTS OF -20 TO -34
DEGREE WIND CHILLS BETWEEN 850 PM MST AND 410 AM MST.
&&
SJCThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 3:19 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 6 hr |
| Dec 9, 2:44 PM MST | Wind Chill Advisory | CYS | Albany, Carbon, Converse, Laramie, Niobrara, Platte | 18 hr |
Nearby
High Wind Warnings in Wyoming, 2009Every high wind warning in 2009
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.