Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 38, NWS Cheyenne, WY

April 17, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Apr 17, 2011, 6:19 AM MDT for 4 counties in Wyoming. It was in force for 8 hr. 21 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
Apr 17, 2011, 6:19 AM MDT (12:19 UTC)
Expired
Apr 17, 2011, 2:27 PM MDT
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 12:17 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
Apr 17, 6:20 AM MDTNON-TSTM WND GST 59Bordeaux, WY
Apr 17, 7:52 AM MDTNON-TSTM WND GST 7218 Wnw Cheyenne, WY
Apr 17, 8:05 AM MDTNON-TSTM WND GST 65Bordeaux, WYSUSTAINED WIND 43 MPH.
Apr 17, 8:57 AM MDTNON-TSTM WND GST 7612 Sse Horse Creek, WY
Apr 17, 9:10 AM MDTNON-TSTM WND GST 63Whitaker, WYWIND GUST 63 MPH AT 905 AM AND 910 AM. SUSTAINED WIND AT 49 MPH AT 905 AM AND 51 MPH AT 910 AM.
Apr 17, 9:15 AM MDTNON-TSTM WND GST 724 Ese I-80 Exit 345, WYTHIS IS EMKAY AT UP226.
Apr 17, 9:25 AM MDTNON-TSTM WND GST 59Bordeaux, WY
Apr 17, 9:25 AM MDTNON-TSTM WND GST 64Whitaker, WY
Apr 17, 9:30 AM MDTNON-TSTM WND GST 627 W Cheyenne, WYTHIS IS POLO RANCH HADS.
Apr 17, 9:32 AM MDTNON-TSTM WND GST 6110 Nw Cheyenne, WY
Apr 17, 9:35 AM MDTNON-TSTM WND GST 66Bordeaux, WY
Apr 17, 9:36 AM MDTNON-TSTM WND GST 6312 S Glendo, WY
Apr 17, 9:39 AM MDTNON-TSTM WND GST 64Cheyenne, WY
Apr 17, 9:56 AM MDTNON-TSTM WND GST 614 Ssw I-25 Exit 7, WYTHIS IS WYO HILL SOUTH OF CHEYENNE.
Apr 17, 10:14 AM MDTNON-TSTM WND GST 61Cheyenne, WY
Apr 17, 10:15 AM MDTNON-TSTM WND GST 58Bordeaux, WY
Apr 17, 10:50 AM MDTNON-TSTM WND GST 48Whitaker, WYSUSTAINED WIND 42 MPH.
Apr 17, 10:50 AM MDTNON-TSTM WND GST 58Whitaker, WYSUSTAINED WIND 42 MPH.
Apr 17, 10:53 AM MDTNON-TSTM WND GST 60Cheyenne, WYSUSTAINED WIND 49 MPH.
Apr 17, 10:55 AM MDTNON-TSTM WND GST 62Cheyenne, WY
Apr 17, 10:56 AM MDTNON-TSTM WND GST 634 Ssw I-25 Exit 7, WYSUSTANED WIND 50 MPH.

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, 0.3 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 2011-04-17Temperature 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 2011-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
2017 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
295 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.

681 
WWUS75 KCYS 171219
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
619 AM MDT SUN APR 17 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

.STRENGTHENING WINDS IN THE UPPER LEVELS OF THE ATMOSPHERE
COMBINED WITH A TIGHT SURFACE PRESSURE GRADIENT WILL PRODUCE
STRONG AND GUSTY WINDS FOR THE WIND CORRIDOR BETWEEN CHUGWATER
AND WHEATLAND.

WYZ106-180000-
/O.NEW.KCYS.HW.W.0038.110417T1219Z-110418T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
619 AM MDT SUN APR 17 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...FROM 6 AM UNTIL 6 PM.

* WINDS...WEST TO SOUTHWEST 25 TO 40 MPH WITH GUSTS TO AROUND 60
  MPH.

* IMPACTS...MOTORISTS ESPECIALLY THOSE IN HIGH PROFILE OR LIGHT
  WEIGHT VEHICLES SHOULD EXERCISE CAUTION WHILE TRAVELING ON
  INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND.

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.

&&

$$

JAMSKI
2 follow-up statements
763 
WWUS75 KCYS 171546
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
946 AM MDT SUN APR 17 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

..STRENGTHENING WINDS IN THE UPPER LEVELS OF THE ATMOSPHERE
COMBINED WITH A TIGHT SURFACE PRESSURE GRADIENT WILL PRODUCE
STRONG AND GUSTY WINDS FOR THE WIND CORRIDOR BETWEEN CHUGWATER
AND WHEATLAND ALONG WITH THE SOUTHERN LARAMIE RANGE FROM CHEYENNE
TO THE INTERSTATE 80 SUMMIT.

WYZ110-116>118-180000-
/O.EXA.KCYS.HW.W.0038.000000T0000Z-110418T0000Z/
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO...
BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...
CHEYENNE
946 AM MDT SUN APR 17 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...UNTIL 6 PM THIS AFTERNOON.

* WINDS...WEST TO SOUTHWEST 25 TO 40 MPH WITH GUSTS TO AROUND 65 MPH.

* IMPACTS...MOTORISTS ESPECIALLY THOSE IN HIGH PROFILE OR LIGHT 
  WEIGHT VEHICLES SHOULD EXERCISE CAUTION WHILE TRAVELING ON 
  INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. 

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.

&&

$$

WYZ106-180000-
/O.CON.KCYS.HW.W.0038.000000T0000Z-110418T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
946 AM MDT SUN APR 17 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* TIMING...UNTIL 6 PM THIS AFTERNOON.

* WINDS...WEST TO SOUTHWEST 25 TO 40 MPH WITH GUSTS TO AROUND 65 MPH.

* IMPACTS...MOTORISTS ESPECIALLY THOSE IN HIGH PROFILE OR LIGHT
  WEIGHT VEHICLES SHOULD EXERCISE CAUTION WHILE TRAVELING ON
  INTERSTATE 80 FROM CHEYENNE TO THE INTERSTATE 80 SUMMIT IN THE
  SOUTHERN LARAMIE RANGE AND AGAIN AROUND 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.

&&

$$
231 
WWUS75 KCYS 172027
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
227 PM MDT SUN APR 17 2011

...HIGH WIND WARNING CANCELLED...


WYZ106-110-116>118-172130-
/O.CAN.KCYS.HW.W.0038.000000T0000Z-110418T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE
227 PM MDT SUN APR 17 2011

...HIGH WIND WARNING IS CANCELLED...

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

.WINDS CONTINUE TO SHOW A WEAKENING TREND AND HAVE STAY BELOW
WARNING LEVELS FOR THE PAST COUPLE HOURS. WINDS ARE EXPECTED TO
CONTINUE TO DECREASE THE REST OF THE AFTERNOON AND REMAIN BELOW
WARNING LEVELS. THEREFORE...THE HIGH WIND WARNING HAS BEEN
CANCELLED. EXPECT WIND GUSTS TO 50 MPH IN OUR MORE WIND PRONE
AREAS OF ARLINGTON...BORDEAUX AND VEDAUWOO THIS AFTERNOON...WHICH
COULD LEAD TO SOME NAVIGATION DIFFICULTIES FOR HIGH PROFILE AND
LIGHT WEIGHT VEHICLES.

$$

CLAYCOMB

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.