Alert archive / Wyoming / High Wind Warnings in 2013

High Wind Warning 21, NWS Cheyenne, WY

April 29, 2013Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Apr 29, 2013, 3:33 AM MDT for Albany County, Carbon County, Wyoming. It took effect at Apr 29, 2013, 12:00 PM MDT. It was in force for 8 hr. 4 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 29, 2013, 3:33 AM MDT (09:33 UTC)
In effect from
Apr 29, 2013, 12:00 PM MDT
Expired
Apr 29, 2013, 8:10 PM MDT
In force
8 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 09:30 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 29, 12:51 PM MDTNON-TSTM WND GST 58Arlington, WY
Apr 29, 5:01 PM MDTNON-TSTM WND GST 62Arlington, WYARLINGTON WYDOT SITE. SUSTAINED AT 43 MPH.
Apr 29, 5:11 PM MDTNON-TSTM WND GST 587 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE. SUSTAINED AT 40 MPH.
Apr 29, 6:01 PM MDTNON-TSTM WND GST 5811 Ssw Hanna, WYDANA 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 00:00Z, 9.6 hours before the alert went out and 230 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 2013-04-29Temperature 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 2013-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
2625 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
128 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.

745 
WWUS75 KCYS 290933
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
333 AM MDT MON APR 29 2013

...STRONG WINDS THIS AFTERNOON NEAR ARLINGTON...

.A TIGHT PRESSURE GRADIENT WILL COMBINE WITH STRONG WINDS ALOFT
TO PRODUCE WIND GUSTS IN EXCESS OF 60 MPH NEAR ARLINGTON DURING
THE AFTERNOON AND EARLY EVENING HOURS TODAY. THESE STRONG WINDS
WILL SUBSIDE THROUGH THE EVENING.

WYZ110-292200-
/O.NEW.KCYS.HW.W.0021.130429T1800Z-130430T0300Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
333 AM MDT MON APR 29 2013

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING...

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

* TIMING...TODAY FROM NOON THROUGH 9 PM.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS IN EXCESS OF 60
  MPH.

* IMPACTS...THERE IS A SIGNIFICANT BLOW OVER RISK FOR HIGH PROFILE
  VEHICLES TRAVELING ALONG INTERSTATE 80 BETWEEN MILEPOSTS 265
  AND 275 BECAUSE OF STRONG WINDS. DRIVERS OF SUCH VEHICLES SHOULD
  NOT TRAVEL THIS STRETCH OF ROAD. THE STRONG WIND WILL CREATE
  DANGEROUS CROSS WINDS THAT WILL MAKE TRAVEL EXTREMELY HAZARDOUS.

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. THE LATEST ROAD
CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION
AND NEBRASKA DEPARTMENT OF ROADS ARE AVAILABLE BY CALLING 5 1 1 OR
ON THE INTERNET.

&&

$$

HAHN
2 follow-up statements
595 
WWUS75 KCYS 292034
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
234 PM MDT MON APR 29 2013

...STRONG WINDS TO PERSIST INTO EARLY THIS EVENING NEAR
ARLINGTON...

.A TIGHT PRESSURE GRADIENT WILL COMBINE WITH STRONG WINDS ALOFT
TO PRODUCE WIND GUSTS UP TO 60 MPH NEAR ARLINGTON FOR THE REST OF
THE AFTERNOON INTO EARLY THIS EVENING. THESE STRONG WINDS WILL
SUBSIDE THROUGH THE EVENING.

WYZ110-300300-
/O.CON.KCYS.HW.W.0021.000000T0000Z-130430T0300Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
234 PM MDT MON APR 29 2013

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

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

* TIMING...UNTIL 9 PM.

* WINDS...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS AROUND 60
  MPH.

* IMPACTS...THERE IS A SIGNIFICANT BLOW OVER RISK FOR HIGH 
  PROFILE VEHICLES TRAVELING ALONG INTERSTATE 80 BETWEEN 
  MILEPOSTS 265 AND 275 BECAUSE OF STRONG WINDS. DRIVERS OF SUCH 
  VEHICLES SHOULD NOT TRAVEL THIS STRETCH OF ROAD. THE STRONG 
  WIND WILL CREATE DANGEROUS CROSS WINDS THAT WILL MAKE TRAVEL 
  EXTREMELY HAZARDOUS. 

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. THE LATEST ROAD
CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION
AND NEBRASKA DEPARTMENT OF ROADS ARE AVAILABLE BY CALLING
5 1 1 OR ON THE INTERNET.

&&

$$

RE
474 
WWUS75 KCYS 300210
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
810 PM MDT MON APR 29 2013

...WINDS HAVE DIMINISHED IN THE ARLINGTON AREA EARLY THIS EVENING...

.THE STRONG WESTERLY WINDS HAVE DIMINISHED SINCE 6 PM IN THE
ARLINGTON AREA. THE WINDS WILL BE BRISK IN THAT AREA FOR THE
REST OF TONIGHT WITH GUSTS AS HIGH AS 40 MPH. FOR THAT REASON 
THE HIGH WIND WARNING HAS BEEN CANCELLED.  

WYZ110-300315-
/O.CAN.KCYS.HW.W.0021.000000T0000Z-130430T0300Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
810 PM MDT MON APR 29 2013

...HIGH WIND WARNING IS CANCELLED...

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

THE STRONG WESTERLY WINDS EXPERIENCED IN THE ARLINGTON AREA DURING
THE DAY AND EARLY THIS EVENING HAVE DIMINISHED. WINDS WILL GUST AS
HIGH AS 40 MPH IN THE AREA ESPECIALLY EARLY TONIGHT...BUT WILL
BE MUCH LIGHTER THAN EARLIER. .

$$

WEILAND

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 3:53 AM MDTWinter Storm WatchCYSAlbany, Laramie24 hr

Nearby

High Wind Warnings in Wyoming, 2013Every high wind warning in 2013

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.