Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 41, NWS Cheyenne, WY

December 6, 20124 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 6, 2012, 11:36 AM MST for 4 counties in Wyoming. It took effect at Dec 7, 2012, 12:00 AM MST. It was in force for 7 hr. 2 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 6, 2012, 11:36 AM MST (18:36 UTC)
In effect from
Dec 7, 2012, 12:00 AM MST
Expired
Dec 7, 2012, 6:52 AM MST
In force
7 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 18:36 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 7, 2:10 AM MSTNON-TSTM WND GST 557 Ese Arlington, WYREPORTED AT WYDOT STATION WY24
Dec 7, 2:55 AM MSTNON-TSTM WND GST 53Rock River, WYREPORTED AT MESOWEST STATION UR345

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, 6.6 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2012-12-06Temperature 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 2012-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.19395878Sfc1 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
2044 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
44 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.

381 
WWUS75 KCYS 061836
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1136 AM MST THU DEC 6 2012

...STRONG WINDS EXPECTED FOR THE WIND CORRIDORS ALONG AND WEST OF
THE LARAMIE RANGE LATE TONIGHT AND FRIDAY MORNING...

.STRONG MID AND UPPER LEVEL ATMOSPHERIC WINDS WILL AFFECT SOUTHEAST
WYOMING LATE TONIGHT AND FRIDAY MORNING. THESE WINDS WILL COMBINE
WITH A WEAK UPPER LEVEL DISTURBANCE AND A LARGE SURFACE PRESSURE
GRADIENT TO PRODUCE STRONG AND GUSTY SURFACE WINDS IN THE WIND
CORRIDORS ALONG AND WEST OF THE LARAMIE RANGE LATE TONIGHT AND
FRIDAY MORNING. SPECIFIC LOCATIONS THAT WILL EXPERIENCE THESE
STRONG WINDS INCLUDE THE ARLINGTON AREA...CHUGWATER TO WHEATLAND...
AND SOUTHERN LARAMIE RANGE AND ADJACENT FOOTHILLS. WESTERLY WIND
GUSTS AS HIGH AS 65 MPH WILL OCCUR IN THESE AREAS.

WYZ106-110-116-070645-
/O.UPG.KCYS.HW.A.0031.121207T0700Z-121207T1900Z/
/O.NEW.KCYS.HW.W.0041.121207T0700Z-121207T1900Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE
1136 AM MST THU DEC 6 2012

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...WINDS WILL INCREASE LATE TONIGHT AND PERSIST THROUGH
  FRIDAY MORNING.

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

* IMPACTS...THE STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL
  HAZARDOUS IN THE WARNED AREAS...ESPECIALLY ALONG NORTH TO SOUTH
  ORIENTED ROADWAYS. THOSE WITH HIGH PROFILE OR LIGHTWEIGHT
  VEHICLES SHOULD BE ESPECIALLY CAUTIOUS WHILE TRAVELING LATE
  TONIGHT AND FRIDAY MORNING.

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 HIGHER CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED
ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ117-070645-
/O.NEW.KCYS.HW.W.0041.121207T0700Z-121207T1900Z/
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...HORSE CREEK...HARRIMAN...WHITAKER
1136 AM MST THU DEC 6 2012

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
FRIDAY. 

* TIMING...WINDS WILL INCREASE LATE TONIGHT AND PERSIST THROUGH
  FRIDAY MORNING.

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

* IMPACTS...THE STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL
  HAZARDOUS IN THE WARNED AREAS...ESPECIALLY ALONG NORTH TO SOUTH
  ORIENTED ROADWAYS. THOSE WITH HIGH PROFILE OR LIGHTWEIGHT
  VEHICLES SHOULD BE ESPECIALLY CAUTIOUS WHILE TRAVELING LATE
  TONIGHT AND FRIDAY MORNING.

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 HIGHER CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED
ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

JAMSKI
3 follow-up statements
483 
WWUS75 KCYS 070314
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
814 PM MST THU DEC 6 2012

...STRONG WINDS EXPECTED FOR THE WIND CORRIDORS ALONG AND WEST OF
THE LARAMIE RANGE LATE TONIGHT AND FRIDAY MORNING...

.STRONG MID AND UPPER LEVEL ATMOSPHERIC WINDS WILL AFFECT
SOUTHEAST WYOMING LATE TONIGHT AND FRIDAY MORNING. THESE WINDS
WILL COMBINE WITH A WEAK UPPER LEVEL DISTURBANCE AND A LARGE
SURFACE PRESSURE GRADIENT TO PRODUCE STRONG AND GUSTY SURFACE
WINDS IN THE WIND CORRIDORS ALONG AND WEST OF THE LARAMIE RANGE
LATE TONIGHT AND FRIDAY MORNING. SPECIFIC LOCATIONS THAT WILL
EXPERIENCE THESE STRONG WINDS INCLUDE THE ARLINGTON AREA...
CHUGWATER TO WHEATLAND...AND SOUTHERN LARAMIE RANGE AND ADJACENT
FOOTHILLS. WEST WIND GUSTS AS HIGH AS 65 MPH WILL OCCUR IN THESE
AREAS.

WYZ106-110-116-117-071900-
/O.CON.KCYS.HW.W.0041.121207T0700Z-121207T1900Z/
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
814 PM MST THU DEC 6 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST FRIDAY. 

* TIMING...WINDS WILL INCREASE LATE TONIGHT AND PERSIST THROUGH 
  FRIDAY MORNING. 

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

* IMPACTS...THE STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL 
  HAZARDOUS IN THE WARNED AREAS...ESPECIALLY ALONG NORTH TO 
  SOUTH ORIENTED ROADWAYS. THOSE WITH HIGH PROFILE OR 
  LIGHTWEIGHT VEHICLES SHOULD BE ESPECIALLY CAUTIOUS WHILE 
  TRAVELING LATE TONIGHT AND FRIDAY MORNING. 

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 HIGHER CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED
ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

RUBIN
524 
WWUS75 KCYS 071138
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
438 AM MST FRI DEC 7 2012

...STRONG WINDS EXPECTED NEAR ARLINGTON AND THE LARAMIE RANGE THROUGH
NOON TODAY...

.STRONG WINDS JUST ABOVE GROUND LEVEL WILL AFFECT SOUTHEAST
WYOMING THROUGH NOON TODAY. THESE WINDS WILL COMBINE WITH A WEAK
UPPER LEVEL DISTURBANCE AND A LARGE SURFACE PRESSURE GRADIENT TO
PRODUCE STRONG AND GUSTY SURFACE WINDS IN THE WIND CORRIDORS ALONG
AND WEST OF THE LARAMIE RANGE. SPECIFIC LOCATIONS THAT WILL
EXPERIENCE THESE STRONG WINDS INCLUDE THE ARLINGTON AREA...
CHUGWATER TO WHEATLAND...AND SOUTHERN LARAMIE RANGE AND ADJACENT
FOOTHILLS. WEST WIND GUSTS AS HIGH AS 65 MPH WILL OCCUR IN THESE
AREAS. ANOTHER HIGH WIND EVENT IS ANTICIPATED ACROSS PORTIONS OF
SOUTHEAST WYOMING ON SATURDAY MORNING.

WYZ106-110-116-117-071900-
/O.CON.KCYS.HW.W.0041.000000T0000Z-121207T1900Z/
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
438 AM MST FRI DEC 7 2012

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

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

* TIMING...THROUGH NOON TODAY.

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

* STRONGEST OBSERVED GUST...55 MPH NEAR MILEPOST 280 ALONG INTERSTATE
  80 AT 2 AM.

* IMPACTS...THE STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL
  HAZARDOUS IN THE WARNED AREAS...ESPECIALLY ALONG NORTH TO SOUTH
  ORIENTED ROADWAYS. THOSE WITH HIGH PROFILE OR LIGHTWEIGHT
  VEHICLES SHOULD BE ESPECIALLY CAUTIOUS WHILE TRAVELING THIS
  MORNING.

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 HIGHER CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED
ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

HAHN
717 
WWUS75 KCYS 071352
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
652 AM MST FRI DEC 7 2012

WYZ106-110-116-117-071500-
/O.CAN.KCYS.HW.W.0041.000000T0000Z-121207T1900Z/
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
652 AM MST FRI DEC 7 2012

...HIGH WIND WARNING IS CANCELLED...

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

ALTHOUGH BREEZY WEST WINDS WILL CONTINUE ACROSS THE AREA THIS
MORNING...WIND GUSTS ARE ANTICIPATED TO REMAIN BELOW HIGH WIND
THRESHOLDS. 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 6, 4:20 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte7 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.