Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 8, NWS Cheyenne, WY

January 23, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 23, 2011, 8:08 AM MST for 4 counties in Wyoming. It was in force for 13 hr. 15 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 23, 2011, 8:08 AM MST (15:08 UTC)
Expired
Jan 23, 2011, 8:55 PM 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 15:13 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 23, 8:20 AM MSTHIGH SUST WINDS 503 Nw Buford, WYTHIS IS BUFORD UP203.
Jan 23, 8:20 AM MSTNON-TSTM WND GST 66Bordeaux, WYSUSTAINED WIND 48 MPH.
Jan 23, 8:45 AM MSTNON-TSTM WND GST 634 Ese I-80 Exit 345, WYTHIS IS EMKAY UP226. SUSTAINED WIND 44 MPH.
Jan 23, 8:45 AM MSTNON-TSTM WND GST 63Bordeaux, WYSUSAINED WIND 43 MPH. GUST 63 MPH FROM 830 AM TO 845 AM.
Jan 23, 9:00 AM MSTNON-TSTM WND GST 624 W Arlington, WYTHIS IS FOOT CREEK WYDOT SITE AT MM269.5.
Jan 23, 11:30 AM MSTNON-TSTM WND GST 63Bordeaux, WYSUSTAINED WIND 47 MPH.
Jan 23, 2:00 PM MSTNON-TSTM WND GST 57Buford, WY
Jan 23, 2:01 PM MSTNON-TSTM WND GST 56Arlington, WY
Jan 23, 2:30 PM MSTNON-TSTM WND GST 56Bordeaux, WY
Jan 23, 3:01 PM MSTNON-TSTM WND GST 58Arlington, WY
Jan 23, 3:06 PM MSTNON-TSTM WND GST 60Bordeaux, WY
Jan 23, 3:10 PM MSTNON-TSTM WND GST 50Buford, WY
Jan 23, 3:27 PM MSTNON-TSTM WND GST 57Vedauwoo, WY
Jan 23, 4:20 PM MSTNON-TSTM WND GST 54Arlington, WY
Jan 23, 4:22 PM MSTNON-TSTM WND GST 52Vedauwoo, WY

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, 3.1 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 2011-01-23Temperature 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 2011-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
2019 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
243 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.

571 
WWUS75 KCYS 231508
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
808 AM MST SUN JAN 23 2011

...STRONG WINDS TO CONTINUE THROUGH EARLY THIS EVENING...

.A TIGHT PRESSURE GRADIENT COUPLED WITH STRONG WINDS ALOFT WILL
CREATE A PERIOD OF HIGH WINDS ACROSS WIND PRONE AREAS OF SOUTHEAST
WYOMING. THE PRESSURE GRADIENT WILL RELAX THROUGH THE EVENING
HOURS.

WYZ106-110-116-240300-
/O.NEW.KCYS.HW.W.0008.110123T1508Z-110124T0400Z/
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
808 AM MST SUN JAN 23 2011

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

* TIMING...THROUGH 9 PM.

* WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WILL GUST TO 60 MPH AT
  TIMES THROUGH EARLY EVENING.

* IMPACTS...MOTORISTS TRAVELLING ALONG INTERSTATE 25 IN SOUTHWEST
  PLATTE COUNTY AND ALONG INTERSTATE 80 NEAR ARLINGTON AND OVER
  THE SUMMIT SHOULD BE PREPARED FOR THESE 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.

&&

$$

HAHN
1 follow-up statement
547 
WWUS75 KCYS 240355
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
855 PM MST SUN JAN 23 2011

...HIGH WIND WARNING IS CANCELLED...

WYZ106-110-116-240500-
/O.CAN.KCYS.HW.W.0008.000000T0000Z-110124T0400Z/
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
855 PM MST SUN JAN 23 2011

...HIGH WIND WARNING IS CANCELLED...

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

WEST WINDS HAVE SLOWLY DIMINISHED BUT WILL REMAIN RATHER GUSTY.
SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL CONTINUE
TONIGHT.

$$

JAMSKI

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.