Alert archive / Wyoming / High Wind Warnings in 2012
High Wind Warning 46, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 20, 2012, 7:38 AM MST for Albany County, Laramie County, Platte County, Wyoming. It was in force for 7 hr. 14 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 20, 2012, 7:38 AM MST (14:38 UTC)
- Expired
- Dec 20, 2012, 3:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 14:42 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 20, 8:31 AM MST | NON-TSTM WND GST 52 | 10 Sw Cheyenne, WY | 40 MPH SUSTAINED WITH VSBY OF 1.10 MI |
| Dec 20, 9:20 AM MST | NON-TSTM WND GST 54 | 10 Sw Cheyenne, WY | 44 MPH SUSTAINED. |
| Dec 20, 9:40 AM MST | NON-TSTM WND GST 50 | 23 W Cheyenne, WY | 41 MPH SUSTAINED. |
| Dec 20, 10:00 AM MST | NON-TSTM WND GST 51 | Bordeaux, WY | SUSTAINED AT 41 MPH. |
| Dec 20, 10:30 AM MST | NON-TSTM WND GST 50 | 10 Sw Cheyenne, WY | 41 MPH SUSTAINED |
| Dec 20, 10:30 AM MST | NON-TSTM WND GST 56 | Bordeaux, WY | 42 MPH SUSTAINED. |
| Dec 20, 11:00 AM MST | NON-TSTM WND GST 59 | Bordeaux, WY | 49 MPH SUSTAINED |
| Dec 20, 11:40 AM MST | NON-TSTM WND GST 58 | 10 Sw Cheyenne, WY | 45 MPH SUSTAINED |
| Dec 20, 12:45 PM MST | NON-TSTM WND GST 58 | 10 Wsw Warren Af Base, WY | REPORTED AT MESOWEST STATION UP226 |
| Dec 20, 12:47 PM MST | NON-TSTM WND GST 55 | Vedauwoo, WY | REPORTED AT WYDOT STATION KVDW |
| Dec 20, 1:10 PM MST | NON-TSTM WND GST 66 | 6 Sw South Greeley High, WY | REPORTED AT WYDOT STATION KWYH |
| Dec 20, 1:20 PM MST | NON-TSTM WND GST 65 | 1 Sse Bordeaux, WY | REPORTED AT WYDOT STATION KBRX |
| Dec 20, 2:30 PM MST | NON-TSTM WND GST 64 | 1 Sse Bordeaux, WY | REPORTED AT WYDOT STATION KBRX |
| Dec 20, 3:10 PM MST | NON-TSTM WND GST 66 | 1 Sse Bordeaux, WY | REPORTED AT WYDOT STATION KBRX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 2.6 hours before the alert went out and 259 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
- 2600 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
778 WWUS75 KCYS 201438 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 738 AM MST THU DEC 20 2012 ...STRONG WINDS WILL CONTINUE BETWEEN CHUGWATER AND WHEATLAND THE REST OF THE MORNING... .A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS SOUTHEAST WYOMING WILL CONTINUE THROUGH THE MORNING. THE RESULT WILL BE STRONG WINDS DURINGTHAT TIME BETWEEN CHUGWATER AND WHEATLAND. WYZ106-201900- /O.NEW.KCYS.HW.W.0046.121220T1438Z-121220T1900Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- INCLUDING THE CITY OF...BORDEAUX 738 AM MST THU DEC 20 2012 ...HIGH WIND WARNING IN EFFECT UNTIL NOON MST TODAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. * TIMING...THROUGH NOON. * WINDS...WEST TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH. * IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES TRAVELING ON INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. 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. && $$ WEILAND
2 follow-up statements
376 WWUS75 KCYS 201854 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1154 AM MST THU DEC 20 2012 ...STRONG WINDS WILL CONTINUE BETWEEN CHUGWATER AND WHEATLAND TROUGH MID AFTERNOON... .A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS SOUTHEAST WYOMING WILL CONTINUE THROUGH MID AFTERNOON. THE RESULT WILL BE STRONG WINDS DURING THAT TIME BETWEEN CHUGWATER AND WHEATLAND. WYZ106-202200- /O.EXT.KCYS.HW.W.0046.000000T0000Z-121220T2200Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- INCLUDING THE CITY OF...BORDEAUX 1154 AM MST THU DEC 20 2012 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * TIMING...THROUGH 3 PM. * WINDS...WEST TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH. * OBSERVED WINDS...WINDS GUSTED TO 59 MPH AT THE INTERSTATE 25 BORDEAUX EXIT AT 11 AM AND WERE SUSTAINED AT 49 MPH. * IMPACTS...THE STRONG WINDS WILL PRODUCE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES TRAVELING ON INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WEILAND
978 WWUS75 KCYS 202207 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 307 PM MST THU DEC 20 2012 ...WINDS DECREASING ACROSS SOUTHEAST WYOMING... .THE WEST WINDS HAVE BEGUN TO DECREASE FOR AREAS ALONG AND EAST OF THE LARAMIE RANGE IN SOUTHEAST WYOMING. HOWEVER...WIND GUSTS TO 55 MPH WILL CONTINUE TO BE POSSIBLE THROUGH THE EARLY EVENING ACROSS THE BORDEAUX AREA. WYZ106-202315- /O.EXP.KCYS.HW.W.0046.000000T0000Z-121220T2200Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- INCLUDING THE CITY OF...BORDEAUX 307 PM MST THU DEC 20 2012 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. THE WINDY CONDITIONS ALONG AND EAST OF THE LARAMIE RANGE IN SOUTHEAST WYOMING HAVE BEGUN TO DIMINISH. THE SURFACE PRESSURE GRADIENT WILL CONTINUE TO REMAIN ELEVATED THROUGH THE EARLY EVENING WITH GUSTS TO 55 MPH POSSIBLE IN THE WIND PRONE AREA OF BORDEAUX. $$ FINCH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 11:57 AM MST | Winter Weather Advisory | CYS | Albany, Laramie | 3 hr |
Nearby
High Wind Warnings in Wyoming, 2012Every high wind warning in 2012
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.