Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 14, NWS Cheyenne, WY

February 4, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Feb 4, 2011, 8:43 PM MST for 4 counties in Wyoming. It was in force for 8 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
Feb 4, 2011, 8:43 PM MST (03:43 UTC)
Expired
Feb 5, 2011, 4:52 AM MST
In force
8 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 03:49 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
Feb 4, 9:40 PM MSTNON-TSTM WND GST 51Arlington, WYWINDS WERE SUSTAINED AT 41 MPH.
Feb 4, 9:40 PM MSTNON-TSTM WND GST 51Bordeaux, WYWINDS WERE SUSTAINED AT 35 MPH.
Feb 4, 10:55 PM MSTNON-TSTM WND GST 584 Ese I-80 Exit 345, WYEMKAY UP226.
Feb 4, 11:00 PM MSTNON-TSTM WND GST 59Bordeaux, WYSUSTAINED WIND 48 MPH.
Feb 4, 11:25 PM MSTNON-TSTM WND GST 61Bordeaux, WYFROM 1100 PM THROUGH 1125 PM. SUSTAINED WINDS 42 TO 49 MPH DURING THE SAME TIME PERIOD.
Feb 4, 11:45 PM MSTNON-TSTM WND GST 624 Ese I-80 Exit 345, WYEMKAY UP226.
Feb 5, 12:30 AM MSTHIGH SUST WINDS 504 Ese I-80 Exit 345, WYEMKAY UP226.
Feb 5, 12:30 AM MSTHIGH SUST WINDS 512 W Buford, WYBUFORD UP203.
Feb 5, 1:45 AM MSTHIGH SUST WINDS 502 W Buford, WYBUFORD UP203.
Feb 5, 2:00 AM MSTHIGH SUST WINDS 522 W Buford, WYBUFORD UP203.

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 00:00Z, 3.7 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 00:00Z on 2011-02-05Temperature 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 00:00Z on 2011-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
1793 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
299 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.

300 
WWUS75 KCYS 050343
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
843 PM MST FRI FEB 4 2011

...STRONG WINDS WILL CONTINUE OVER SOUTHWEST PLATTE COUNTY AND
THE ARLINGTON AREAS THROUGH 8 AM SATURDAY MORNING...

.A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS SOUTHEAST
WYOMING THIS EVENING WILL PERSIST INTO MID MORNING SATURDAY.
THAT WILL HELP TO CREATE STRONG WESTERLY WINDS THROUGH THAT
TIME BETWEEN WHEATLAND AND CHUGWATER AND ARLINGTON. 

WYZ106-110-051500-
/O.NEW.KCYS.HW.W.0014.110205T0343Z-110205T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
843 PM MST FRI FEB 4 2011

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

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

* TIMING...UNTIL 8 AM SATURDAY MORNING.

* WINDS...WESTERLY SUSTAINED AT 35 TO 40 MPH WITH SOME GUSTS TO
  60 MPH. 

* IMPACTS...THE STRONG WINDS WILL CREATE HAZARDOUS TRAVEL
  CONDITIONS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES.
  THE AREAS AFFECTED WILL BE INTERSTATE 25 BETWEEN WHEATLAND AND
  CHUGWATER AND INTERSTATE 80 BETWEEN ELK MOUNTAIN AND ARLINGTON.

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
078 
WWUS75 KCYS 050725
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1225 AM MST SAT FEB 5 2011

...STRONG WINDS WILL CONTINUE OVER PORTIONS OF SOUTHEAST WYOMING 
OVERNIGHT...

.A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS SOUTHEAST WYOMING
THIS EVENING WILL PERSIST INTO MID MORNING SATURDAY. THIS WILL
RESULT IN STRONG WINDS OVER PORTIONS OF SOUTHEAST WYOMING.

WYZ116-117-051500-
/O.EXA.KCYS.HW.W.0014.000000T0000Z-110205T1500Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
1225 AM MST SAT FEB 5 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING...

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

* TIMING...UNTIL 8 AM SATURDAY MORNING.

* WINDS...WESTERLY SUSTAINED AT 35 TO 40 MPH WITH SOME GUSTS TO 
  60 MPH. 

* IMPACTS...THE STRONG WINDS WILL CREATE HAZARDOUS TRAVEL
  CONDITIONS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES.
 

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.

&&

$$

WYZ106-110-051500-
/O.CON.KCYS.HW.W.0014.000000T0000Z-110205T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
1225 AM MST SAT FEB 5 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

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

* TIMING...UNTIL 8 AM SATURDAY MORNING.

* WINDS...WESTERLY SUSTAINED AT 35 TO 40 MPH WITH SOME GUSTS TO 
  60 MPH. 

* IMPACTS...THE STRONG WINDS WILL CREATE HAZARDOUS TRAVEL
  CONDITIONS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. 

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.

&&

$$
584 
WWUS75 KCYS 051152
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
452 AM MST SAT FEB 5 2011


WYZ106-110-116-117-051300-
/O.CAN.KCYS.HW.W.0014.000000T0000Z-110205T1500Z/
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
452 AM MST SAT FEB 5 2011

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE DECREASED ACROSS THE AREA...THEREFORE THE HIGH WIND
WARNING HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 8:38 AM MSTWinter Storm WarningCYSAlbany, Carbon, Converse, Platte19 hr
Feb 5, 11:24 AM MSTWinter Weather AdvisoryCYSAlbany, Carbon11 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.