Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 37, NWS Cheyenne, WY

November 27, 2012Albany County, Carbon County, Laramie County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Nov 27, 2012, 10:07 AM MST for Albany County, Carbon County, Laramie County, Wyoming. It was in force for 7 hr. 10 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
Nov 27, 2012, 10:07 AM MST (17:07 UTC)
Expired
Nov 27, 2012, 4:53 PM MST
In force
7 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 17:05 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
Nov 27, 10:30 AM MSTNON-TSTM WND GST 587 Ese Arlington, WYREPORTED AT WYDOT STATION WY24
Nov 27, 11:15 AM MSTNON-TSTM WND GST 59Rock River, WYREPORTED AT MESOWEST STATION UR345
Nov 27, 11:30 AM MSTNON-TSTM WND GST 612 E Arlington, WYREPORTED AT WYDOT STATION WY23
Nov 27, 12:05 PM MSTNON-TSTM WND GST 602 E Arlington, WYREPORTED AT WYDOT STATION WY23
Nov 27, 12:06 PM MSTNON-TSTM WND GST 63Arlington, WYARLINGTON WYDOT SITE. SUSTAINED AT 46 MPH.
Nov 27, 12:10 PM MSTNON-TSTM WND GST 631 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Nov 27, 12:11 PM MSTNON-TSTM WND GST 602 E Arlington, WYARLINGTON EAST WYDOT SITE. SUSTAINED AT 43 MPH.
Nov 27, 12:45 PM MSTNON-TSTM WND GST 611 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Nov 27, 1:05 PM MSTNON-TSTM WND GST 552 E Arlington, WYREPORTED AT WYDOT STATION WY23
Nov 27, 1:20 PM MSTNON-TSTM WND GST 583 Nw Arlington, WYREPORTED AT WYDOT STATION WY22

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, 5.1 hours before the alert went out and 274 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 2012-11-27Temperature 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 2012-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
2968 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
328 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.

311 
WWUS75 KCYS 271707
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1007 AM MST TUE NOV 27 2012

...STRONG WINDS WILL AFFECT THE SOUTHERN LARAMIE RANGE AND THE 
ARLINGTON AREA INTO THE LATE AFTERNOON...

.A COMBINATION OF STRONG WINDS IN THE UPPER ATMOSPHERE AND A 
LARGE DIFFERENCE IN PRESSURE AT THE SURFACE ACROSS THE REGION WILL
PRODUCE HIGH WINDS OVER PARTS OF SOUTHEAST WYOMING INTO THE LATE
AFTERNOON. THE WINDS WILL BE STRONGEST IN THE ARLINGTON AREA AND
OVER THE SOUTHERN LARAMIE RANGE...WITH SUSTAINED WINDS BETWEEN
40 AND 45 MPH AND SOME GUSTS AS HIGH AS 60 MPH.  

WYZ110-116-117-272300-
/O.NEW.KCYS.HW.W.0037.121127T1707Z-121127T2300Z/
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO...
BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
1007 AM MST TUE NOV 27 2012

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON. 

* TIMING...UNTIL 4 PM.

* WINDS...SUSTAINED AT 40 TO 45 MPH WITH SOME GUSTS UP TO 60 MPH.

* IMPACTS...STRONG WINDS MAY MAKE TRAVEL HAZARDOUS AT TIMES...
  ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES. THIS
  INCLUDES INTERSTATE 80 BETWEEN LARAMIE AND RAWLINS AS WELL AS
  THE SOUTHERN LARAMIE RANGE. MOTORISTS SHOULD BE PREPARED TO
  ENCOUNTER STRONG AND SUDDEN WIND GUSTS.

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
882 
WWUS75 KCYS 272107
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
207 PM MST TUE NOV 27 2012

...STRONG WINDS WILL THE ARLINGTON AREA THROUGH THE LATE 
AFTERNOON...

.A COMBINATION OF STRONG WINDS IN THE UPPER ATMOSPHERE AND A
LARGE DIFFERENCE IN PRESSURE AT THE SURFACE ACROSS THE REGION
WILL PRODUCE HIGH WINDS OVER PARTS OF SOUTHEAST WYOMING THROUGH
THE LATE AFTERNOON. THE WINDS WILL BE STRONGEST IN THE ARLINGTON
AREA...WITH SUSTAINED WINDS BETWEEN 40 AND 45 MPH AND SOME GUSTS
AS HIGH AS 60 MPH.

WYZ116-117-272215-
/O.CAN.KCYS.HW.W.0037.000000T0000Z-121127T2300Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
207 PM MST TUE NOV 27 2012

...HIGH WIND WARNING IS CANCELLED...

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

WESTERLY WINDS HAVE DIMINISHED SOME OVER AND NEAR THE SOUTHERN
LARAMIE RANGE. FOR THAT REASON...THE HIGH WIND WARNING HAS BEEN
CANCELLED. WINDS WILL BE SUSTAINED BETWEEN 25 AND 35 MPH WITH
GUSTS AS HIGH AS 45 MPH. 

$$

WYZ110-280000-
/O.EXT.KCYS.HW.W.0037.000000T0000Z-121128T0000Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
207 PM MST TUE NOV 27 2012

...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...UNTIL 5 PM.

* WINDS...SUSTAINED AT 40 TO 45 MPH WITH SOME GUSTS UP TO 60 MPH.

* IMPACTS...STRONG WINDS MAY MAKE TRAVEL HAZARDOUS AT TIMES...
  ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES. THIS
  INCLUDES INTERSTATE 80 BETWEEN LARAMIE AND RAWLINS. MOTORISTS
  SHOULD BE PREPARED TO ENCOUNTER STRONG AND SUDDEN WIND GUSTS.

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
812 
WWUS75 KCYS 272353
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
453 PM MST TUE NOV 27 2012

...WINDS SUBSIDING IN ARLINGTON AND ELK MOUNTAIN AREAS...

.SURFACE GRADIENTS AND WINDS ALOFT HAVE BEGUN TO DIMINISH...
THEREFORE YOUR NATIONAL WEATHER SERVICE HAS CANCELLED THE HIGH
WIND WARNING.

WYZ110-280100-
/O.CAN.KCYS.HW.W.0037.000000T0000Z-121128T0000Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
453 PM MST TUE NOV 27 2012

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE STARTED SUBSIDING ACROSS THE NORTH SNOWY RANGE FOOTHILLS
INCLUDING ARLINGTON AND ELK MOUNTAIN. THEREFORE...YOUR NATIONAL
WEATHER SERVICE HAS CANCELLED THE HIGH WIND WARNING.

$$

RUBIN

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 2:58 AM MSTRed Flag WarningCYS14 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.