Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 47, NWS Cheyenne, WY

December 22, 20124 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 22, 2012, 1:02 PM MST for 4 counties in Wyoming. It took effect at Dec 22, 2012, 9:00 PM MST. It was in force for 13 hr. 22 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 22, 2012, 1:02 PM MST (20:02 UTC)
In effect from
Dec 22, 2012, 9:00 PM MST
Expired
Dec 23, 2012, 10:16 AM MST
In force
13 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 20:03 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

TimeReportWhereRemark
Dec 23, 4:35 AM MSTNON-TSTM WND GST 6018 Wnw Cheyenne, WYNUMEROUS GUSTS ABOVE 50 MPH.
Dec 23, 6:00 AM MSTNON-TSTM WND GST 53Bordeaux, WY49 MPH SUSTAINED.
Dec 23, 6:30 AM MSTNON-TSTM WND GST 521 Nnw Whitaker, WYREPORTED AT WYDOT STATION KWTR
Dec 23, 6:30 AM MSTNON-TSTM WND GST 5317 S Federal, WYREPORTED AT MESOWEST STATION UP204
Dec 23, 6:30 AM MSTNON-TSTM WND GST 6210 Wsw Warren Af Base, WYREPORTED AT MESOWEST STATION UP226
Dec 23, 6:40 AM MSTNON-TSTM WND GST 631 Sse Bordeaux, WYREPORTED AT WYDOT STATION KBRX
Dec 23, 7:00 AM MSTNON-TSTM WND GST 7011 Sse Horse Creek, WY
Dec 23, 7:10 AM MSTNON-TSTM WND GST 60Bordeaux, WY51 MPH SUSTAINED.
Dec 23, 7:40 AM MSTNON-TSTM WND GST 52Whitaker, WY42 MPH SUSTAINED.
Dec 23, 7:45 AM MSTNON-TSTM WND GST 5417 S Federal, WYREPORTED AT MESOWEST STATION UP204
Dec 23, 7:45 AM MSTNON-TSTM WND GST 5610 Wsw Warren Af Base, WYREPORTED AT MESOWEST STATION UP226
Dec 23, 8:00 AM MSTNON-TSTM WND GST 57Bordeaux, WY45 MPH SUSTAINED.
Dec 23, 8:19 AM MSTNON-TSTM WND GST 7312 Sse Horse Creek, WY
Dec 23, 8:20 AM MSTNON-TSTM WND GST 5023 W Cheyenne, WY43 MPH SUSTAINED.
Dec 23, 8:45 AM MSTNON-TSTM WND GST 49Whitaker, WY
Dec 23, 8:45 AM MSTNON-TSTM WND GST 5123 W Cheyenne, WY44 MPH SUSTAINED.
Dec 23, 8:55 AM MSTNON-TSTM WND GST 521 Sse Bordeaux, WYREPORTED AT WYDOT STATION KBRX
Dec 23, 8:55 AM MSTNON-TSTM WND GST 6710 Wsw Warren Af Base, WYREPORTED AT MESOWEST STATION UP226
Dec 23, 9:00 AM MSTNON-TSTM WND GST 826 N Vedauwoo, WYREPORTED AT SNOTEL STATION CRWW4
Dec 23, 9:15 AM MSTNON-TSTM WND GST 5417 S Federal, WYREPORTED AT MESOWEST STATION UP204
Dec 23, 9:30 AM MSTNON-TSTM WND GST 5213 Ssw Federal, WYREPORTED AT WYDOT STATION WY29
Dec 23, 10:00 AM MSTNON-TSTM WND GST 5123 W Cheyenne, WY45 MPH SUSTAINED.

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, 8.0 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2012-12-22Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2012-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2824 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
184 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.

731 
WWUS75 KCYS 222002
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
102 PM MST SAT DEC 22 2012

...STRONG WINDS TO RETURN TO THE ARLINGTON AREA LATE TONIGHT AND 
SUNDAY MORNING...

.AN UPPER LEVEL DISTURBANCE WILL PRODUCE A TIGHTENING SURFACE
PRESSURE GRADIENT AS IT TRACKS ACROSS WYOMING LATE TONIGHT AND
SUNDAY. AS A RESULT...WINDS WILL STRENGTHEN ACROSS MUCH OF
SOUTHEAST WYOMING AND BECOME STRONG IN THE ARLINGTON AREA AFTER
MIDNIGHT.

WYZ106-116-117-222115-
/O.CAN.KCYS.HW.A.0035.121223T0600Z-121223T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
102 PM MST SAT DEC 22 2012

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE HIGH
WIND WATCH. 

ALTHOUGH WINDS WILL BECOME LOCALLY WINDY LATE TONIGHT AND
ESPECIALLY ON SUNDAY MORNING...WIND GUSTS ARE EXPECTED TO ONLY
REACH AROUND 50 MPH. THEREFORE...THE HIGH WIND WATCH HAS BEEN
CANCELLED.

$$

WYZ110-231200-
/O.UPG.KCYS.HW.A.0035.121223T0600Z-121223T1800Z/
/O.NEW.KCYS.HW.W.0047.121223T0400Z-121223T1900Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
102 PM MST SAT DEC 22 2012

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO NOON MST
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...9 PM TONIGHT THROUGH NOON SUNDAY

* WINDS...WEST AT 35 TO 45 MPH SUSTAINED WITH GUSTS TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  MOTORISTS ARE URGED TO USE CAUTION TONIGHT THROUGH SUNDAY
  MORNING IF TRAVELING ON NORTH TO SOUTH ORIENTED HIGHWAYS.

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.

&&

$$

HAHN
4 follow-up statements
723 
WWUS75 KCYS 230508
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1008 PM MST SAT DEC 22 2012

...STRONG WINDS TO RETURN TO THE ARLINGTON AREA LATE TONIGHT
THROUGH SUNDAY MORNING...

.AN UPPER LEVEL DISTURBANCE WILL PRODUCE A TIGHTENING SURFACE
PRESSURE GRADIENT AS IT TRACKS ACROSS WYOMING LATE TONIGHT AND
SUNDAY. AS A RESULT...WINDS WILL STRENGTHEN ACROSS MUCH OF
SOUTHEAST WYOMING AND BECOME STRONG IN THE ARLINGTON AREA
ESPECIALLY AFTER MIDNIGHT.

WYZ110-231800-
/O.CON.KCYS.HW.W.0047.000000T0000Z-121223T1900Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
1008 PM MST SAT DEC 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY. 

* TIMING...WINDS WILL BECOME STRONG AND GUSTY BY MIDNIGHT AND WILL
  CONTINUE THROUGH NOON SUNDAY.

* WINDS...WEST AT 35 TO 45 MPH SUSTAINED WITH GUSTS UP TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  MOTORISTS ARE URGED TO USE CAUTION LATE TONIGHT THROUGH SUNDAY
  MORNING IF TRAVELING ON NORTH TO SOUTH ORIENTED HIGHWAYS.

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
337 
WWUS75 KCYS 230823
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
123 AM MST SUN DEC 23 2012

...STRONG WINDS TO RETURN TO THE ARLINGTON AREA LATE TONIGHT
THROUGH SUNDAY MORNING...

.AN UPPER LEVEL DISTURBANCE WILL PRODUCE A TIGHTENING SURFACE
PRESSURE GRADIENT AS IT TRACKS ACROSS WYOMING LATE TONIGHT AND
SUNDAY. AS A RESULT...WINDS WILL STRENGTHEN ACROSS MUCH OF
SOUTHEAST WYOMING AND BECOME STRONG IN THE ARLINGTON AREA
ESPECIALLY AFTER MIDNIGHT.

WYZ110-231900-
/O.CON.KCYS.HW.W.0047.000000T0000Z-121223T1900Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
123 AM MST SUN DEC 23 2012

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

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

* TIMING...WINDS WILL BECOME STRONG AND GUSTY BY MIDNIGHT AND 
  WILL CONTINUE THROUGH NOON SUNDAY. 

* WINDS...WEST AT 35 TO 45 MPH SUSTAINED WITH GUSTS UP TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL 
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT 
  VEHICLES. MOTORISTS ARE URGED TO USE CAUTION LATE TONIGHT 
  THROUGH SUNDAY MORNING IF TRAVELING ON NORTH TO SOUTH ORIENTED 
  HIGHWAYS. 

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.

&&

$$
286 
WWUS75 KCYS 231323
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
623 AM MST SUN DEC 23 2012


WYZ106-116-117-231900-
/O.EXA.KCYS.HW.W.0047.000000T0000Z-121223T1900Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
623 AM MST SUN DEC 23 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...WINDS WILL BECOME STRONG AND GUSTY EARLY THIS MORNING
  AND WILL CONTINUE THROUGH NOON SUNDAY.

* WINDS...WEST AT 35 TO 45 MPH SUSTAINED WITH GUSTS UP TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  MOTORISTS ARE URGED TO USE CAUTION THROUGH SUNDAY MORNING IF
  TRAVELING ON NORTH TO SOUTH ORIENTED HIGHWAYS.

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.

&&

$$

WYZ110-231900-
/O.CON.KCYS.HW.W.0047.000000T0000Z-121223T1900Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
623 AM MST SUN DEC 23 2012

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

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

* TIMING...WINDS WILL BECOME STRONG AND GUSTY BY MIDNIGHT AND 
  WILL CONTINUE THROUGH NOON SUNDAY. 

* WINDS...WEST AT 35 TO 45 MPH SUSTAINED WITH GUSTS UP TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL 
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT 
  VEHICLES. MOTORISTS ARE URGED TO USE CAUTION LATE TONIGHT 
  THROUGH SUNDAY MORNING IF TRAVELING ON NORTH TO SOUTH ORIENTED 
  HIGHWAYS. 

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.

&&

$$

TT
165 
WWUS75 KCYS 231716
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1016 AM MST SUN DEC 23 2012

WYZ106-110-116-117-231830-
/O.CAN.KCYS.HW.W.0047.000000T0000Z-121223T1900Z/
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
1016 AM MST SUN DEC 23 2012

...HIGH WIND WARNING IS CANCELLED...

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

ALTHOUGH SOUTHWEST TO WEST WIND GUSTS OF UP TO 50 MPH WILL STILL
BE POSSIBLE THROUGH EARLY AFTERNOON...THE MOST HAZARDOUS HIGH
WINDS HAVE ENDED. THEREFORE...THE HIGH WIND WARNING HAS BEEN
CANCELLED.

$$

HAHN

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 1:52 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte11 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.