Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 28, NWS Cheyenne, WY

June 17, 20124 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jun 17, 2012, 12:38 PM MDT for 4 counties in Wyoming. It was in force for 14 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
Jun 17, 2012, 12:38 PM MDT (18:38 UTC)
Expired
Jun 18, 2012, 2:22 AM MDT
In force
14 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 18:42 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
Jun 17, 12:55 PM MDTNON-TSTM WND GST 5111 Ssw Hanna, WYSUSTAINED AT 41 MPH.
Jun 17, 12:55 PM MDTNON-TSTM WND GST 519 Wnw Elk Mountain, WYSUSTANED AT 41 MPH.
Jun 17, 1:00 PM MDTNON-TSTM WND GST 525 Nw Arlington, WYSUSTAINED AT 41 MPH.
Jun 17, 1:00 PM MDTNON-TSTM WND GST 59Buford, WYSUSTAINED AT 43 MPH.
Jun 17, 1:05 PM MDTNON-TSTM WND GST 577 Nw Elk Mountain, WYSUSTAINED AT 40 MPH
Jun 17, 1:10 PM MDTNON-TSTM WND GST 53Arlington, WYSUSTAINED AT 42 MPH.
Jun 17, 1:50 PM MDTNON-TSTM WND GST 597 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE. SUSTAINED AT 42 MPH.
Jun 17, 2:20 PM MDTNON-TSTM WND GST 609 S Wheatland, WYBORDEAUX WYDOT SITE. SUSTAINED AT 42 MPH.
Jun 17, 2:25 PM MDTNON-TSTM WND GST 585 Nw Arlington, WYWAGONHOUND WYDOT SITE. SUSTAINED AT 45 MPH.
Jun 17, 3:25 PM MDTNON-TSTM WND GST 585 Nw Arlington, WYWAGONHOUND WYDOT SITE. SUSTAINED AT 43 MPH.
Jun 17, 3:50 PM MDTNON-TSTM WND GST 597 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE. SUSTAINED AT 42 MPH.
Jun 17, 4:26 PM MDTNON-TSTM WND GST 609 Wnw Elk Mountain, WYMILE MARKER 249 WYDOT SITE. SUSTAINED AT 40 MPH.
Jun 17, 4:35 PM MDTNON-TSTM WND GST 6211 Ssw Hanna, WYDANA RIDGE WYDOT SITE. SUSTAINED AT 44 MPH.
Jun 17, 5:15 PM MDTNON-TSTM WND GST 677 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE. SUSTAINED AT 53 MPH.
Jun 17, 6:20 PM MDTNON-TSTM WND GST 617 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE. SUSTAINED AT 45 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, 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 2012-06-17Temperature 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 2012-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
2832 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
69 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.

713 
WWUS75 KCYS 171838
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1238 PM MDT SUN JUN 17 2012

...STRONG WESTERLY WINDS WILL AFFECT THE WIND PRONE AREAS OF
SOUTHEAST WYOMING THROUGH THE EVENING...

.A TIGHT SURFACE PRESSURE GRADIENT WILL COMBINE WITH STRONG WINDS
JUST ABOVE THE GROUND TO PRODUCE STRONG WESTERLY WINDS OVER THE
WIND PRONE AREAS OF ARLINGTON...BORDEAUX...AND THE SOUTH LARAMIE
RANGE THROUGH THE EVENING. SUSTAINED WINDS 35 TO 45 MPH WITH GUSTS
TO 60 MPH WILL BE COMMON THIS AFTERNOON.  WINDS WILL BEGIN TO
DECREASE AFTER SUNSET AS THE GRADIENT RELAXES AND DAYTIME MIXING
WEAKENS...HOWEVER WESTERLY WINDS WILL REMAIN BREEZY OVERNIGHT.

WYZ106-110-116-180300-
/O.NEW.KCYS.HW.W.0028.120617T1838Z-120618T0300Z/
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
1238 PM MDT SUN JUN 17 2012

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

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

* TIMING...THROUGH 9 PM THIS EVENING.

* WINDS...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...MOSTLY TO TRAVEL IN LIGHT AND/OR HIGH PROFILE
  VEHICLES. THERE IS A SIGNIFICANT BLOW OVER RISK FOR HIGH PROFILE
  VEHICLES TRAVELING ALONG INTERSTATE 80 IN THE ARLINGTON AREA AND
  ALONG INTERSTATE 25 IN THE BORDEAUX AREA.


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.

&&

$$

FINCH
2 follow-up statements
889 
WWUS75 KCYS 180246
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
846 PM MDT SUN JUN 17 2012

...STRONG WESTERLY WINDS WILL AFFECT THE WIND PRONE AREAS OF
SOUTHEAST WYOMING THROUGH THE OVERNIGHT...

.THE WEST WINDS ARE EXPECTED TO INCREASE AGAIN TOWARDS MIDNIGHT
OVER THE WIND PRONE AREAS OF ARLINGTON...BORDEAUX...AND THE SOUTH
LARAMIE RANGE AND CONTINUE THROUGH THE NIGHT. SUSTAINED WINDS 30 TO
45 MPH WITH GUSTS TO 60 MPH WILL BE COMMON OVERNIGHT. WINDS WILL
BEGIN TO DECREASE TOWARDS DAYBREAK.

WYZ106-110-116-181200-
/O.EXT.KCYS.HW.W.0028.000000T0000Z-120618T1200Z/
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
846 PM MDT SUN JUN 17 2012

...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 AM MDT MONDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 6 AM MDT MONDAY. 

* TIMING...THROUGH 6 AM MONDAY MORNING.

* WINDS...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...MOSTLY TO TRAVEL IN LIGHT AND/OR HIGH PROFILE 
  VEHICLES. THERE IS A SIGNIFICANT BLOW OVER RISK FOR HIGH 
  PROFILE VEHICLES TRAVELING ALONG INTERSTATE 80 IN THE 
  ARLINGTON AREA AND ALONG INTERSTATE 25 IN THE BORDEAUX AREA. 

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.

&&

$$
COX
850 
WWUS75 KCYS 180822
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
222 AM MDT MON JUN 18 2012

...HIGH WIND WARNING CANCELLED...

.STRONG WEST WINDS HAVE DIMINISHED...SO THE HIGH WIND WARNING HAS
BEEN CANCELLED.

WYZ106-110-116-180930-
/O.CAN.KCYS.HW.W.0028.000000T0000Z-120618T1200Z/
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
222 AM MDT MON JUN 18 2012

...HIGH WIND WARNING IS CANCELLED...

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

$$

RUBIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:41 PM MDTRed Flag WarningCYS31 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.