Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 11, NWS Cheyenne, WY

January 27, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 27, 2011, 10:43 AM MST for 4 counties in Wyoming. It took effect at Jan 27, 2011, 11:00 AM MST. It was in force for 21 hr. 5 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
Jan 27, 2011, 10:43 AM MST (17:43 UTC)
In effect from
Jan 27, 2011, 11:00 AM MST
Expired
Jan 28, 2011, 7:45 AM MST
In force
21 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 17:47 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
Jan 27, 7:50 PM MSTHIGH SUST WINDS 40Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST SUSTAINED WINDS REPORTED THIS EVENING. GUST AT TIME OF OBSERVATION WAS 50 MPH.
Jan 27, 8:46 PM MSTNON-TSTM WND GST 50Arlington, WYARLINGTON HIGHWAY SENSOR. ELEV. 7763 FEET. HIGHEST WIND GUST SO FAR THIS EVENING...STILL BELOW WARNING CRITERIA BUT INCREASING. SUSTAINED WIND AT TIME OF OBSERVATION WAS 37 MPH.
Jan 27, 9:30 PM MSTHIGH SUST WINDS 41Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST SUSTAINED WIND REPORTED SINCE 750 PM MST. SUSTAINED WIND OF 40 MPH ALSO REPORTED AT 900 PM MST.
Jan 27, 10:05 PM MSTHIGH SUST WINDS 40Bordeaux, WYBORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. SUSTAINED WIND OF 40 MPH ALSO REPORTED AT 950 PM MST. GUSTS RANGING FROM 49 TO 53 MPH.
Jan 28, 12:56 AM MSTNON-TSTM WND GST 53Arlington, WYWINDS HAVE BEEN SUSTAINED AT 40 TO 43 MPH SINCE 1230 AM. THIS IS THE MAXIMUM GUST SINCE 9 PM.

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, 5.7 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 2011-01-27Temperature 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 2011-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1965 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
219 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.

102 
WWUS75 KCYS 271743
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1043 AM MST THU JAN 27 2011

...VERY STRONG WINDS WILL IMPACT PORTIONS OF SOUTHEAST WYOMING
THIS AFTERNOON AND FRIDAY MORNING...

.A STRONG WEST TO EAST PRESSURE GRADIENT...IN COMBINATION WITH
STRONG UPPER LEVEL WINDS...WILL CREATE HIGH WINDS OVER THE
ARLINGTON AND BORDEAUX AREAS THIS AFTERNOON. THE WINDS WILL
DECREASE BRIEFLY BELOW HIGH WIND CRITERIA OVERNIGHT...BUT WILL
THEN INCREASE ABOVE CRITERIA AROUND SUNRISE ON FRIDAY. THE WINDS
SHOULD DROP OFF BY MID MORNING ON FRIDAY.

WYZ106-110-280300-
/O.NEW.KCYS.HW.W.0011.110127T1800Z-110128T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
1043 AM MST THU JAN 27 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* TIMING...11 AM TODAY THROUGH 8 AM FRIDAY.

* WINDS...WEST TO NORTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS UP TO
  65 MPH ARE POSSIBLE.

* IMPACTS...THOSE TRAVELING THROUGH THE AREA WITH A LIGHTWEIGHT OR
  HIGH PROFILE VEHICLE SHOULD SLOW DOWN AND USE EXTRA CAUTION WHEN
  TRAVELING ALONG INTERSTATE 25 FROM CHUGWATER TO WHEATLAND...OR
  ALONG INTERSTATE 80 NEAR ARLINGTON THIS AFTERNOON 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 MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

LUNDQUIST
2 follow-up statements
129 
WWUS75 KCYS 280235
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
735 PM MST THU JAN 27 2011

...VERY STRONG WINDS WILL IMPACT PORTIONS OF SOUTHEAST WYOMING
TONIGHT...

.A STRONG WEST TO EAST PRESSURE GRADIENT...IN COMBINATION WITH
STRONG UPPER LEVEL WINDS...WILL CREATE HIGH WINDS OVER THE
ARLINGTON AND BORDEAUX AREAS TONIGHT. THE WINDS SHOULD DECREASE
BY MID MORNING ON FRIDAY. WINDS WILL ALSO INCREASE AGAIN FRIDAY
NIGHT AND EARLY SATURDAY MORNING.

WYZ106-110-281500-
/O.CON.KCYS.HW.W.0011.000000T0000Z-110128T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
735 PM MST THU JAN 27 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* TIMING...THROUGH 8 AM FRIDAY.

* WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 65 MPH.

* IMPACTS...THOSE TRAVELING THROUGH THE AREA WITH A LIGHTWEIGHT OR
  HIGH PROFILE VEHICLE SHOULD SLOW DOWN AND USE EXTRA CAUTION WHEN
  TRAVELING ALONG INTERSTATE 25 FROM CHUGWATER TO WHEATLAND...OR
  ALONG INTERSTATE 80 NEAR ARLINGTON THROUGH EARLY 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 MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

CARPENTER
508 
WWUS75 KCYS 281445
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
745 AM MST FRI JAN 28 2011

...HIGH WIND WARNING IS CANCELLED...

WYZ106-110-281545-
/O.CAN.KCYS.HW.W.0011.000000T0000Z-110128T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
745 AM MST FRI JAN 28 2011

...HIGH WIND WARNING IS CANCELLED...

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

SUSTAINED WEST TO SOUTHWEST WINDS AT ARLINGTON AND BORDEAUX WILL
REMAIN BETWEEN 30 AND 35 MPH WITH GUSTS TO 45 MPH THROUGH LATE
THIS MORNING.

$$

JAMSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 6:11 PM MSTHigh Wind WarningCYSAlbany, Carbon, Laramie, Platte14 hr

Nearby

High Wind Warnings in Wyoming, 2011Every high wind warning in 2011

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.