Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 13, NWS Cheyenne, WY

February 3, 2011Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Feb 3, 2011, 3:13 PM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Feb 4, 2011, 12:00 AM MST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 3, 2011, 3:13 PM MST (22:13 UTC)
In effect from
Feb 4, 2011, 12:00 AM MST
Expired
Feb 4, 2011, 6:16 AM MST
In force
6 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 22:11 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.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.2 hours before the alert went out and 259 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, Denver, CO at 12:00Z on 2011-02-03Temperature 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, Denver, CO at 12:00Z on 2011-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 306 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
3262 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
306 m²/s²
0-3 km storm-relative helicity
418 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.

965 
WWUS75 KCYS 032213
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
313 PM MST THU FEB 3 2011

...VERY STRONG WINDS AGAIN TONIGHT ACROSS PLATTE COUNTY...

.A STRONG LOW LEVEL PRESSURE GRADIENT WILL AGAIN BE PRESENT ALONG
WITH A VERY STABLE AIRMASS ACROSS THE LARAMIE RANGE TONIGHT. THIS
WILL LEAD TO POTENTIAL FOR VERY STRONG WINDS BETWEEN CHUGWATER AND
BORDEAUX ALONG INTERSTATE 25 OVERNIGHT TONIGHT.

WYZ106-040615-
/O.NEW.KCYS.HW.W.0013.110204T0700Z-110204T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
313 PM MST THU FEB 3 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MST
FRIDAY. 

* TIMING...MIDNIGHT MST TONIGHT THROUGH 8 AM MST FRIDAY.

* WINDS...SOUTHWEST AT 35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS..THOSE PLANNING TRAVEL ALONG INTERSTATE 25 BETWEEN
  CHUGWATER AND WHEATLAND SHOULD BE PREPARED FOR VERY STRONG
  WINDS...ESPECIALLY THOSE IN 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.

&&

$$

CARPENTER
3 follow-up statements
155 
WWUS75 KCYS 040301
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
801 PM MST THU FEB 3 2011

...VERY STRONG WINDS LATER TONIGHT AND EARLY FRIDAY MORNING
ACROSS SOUTHERN PLATTE COUNTY...

.A LARGE DIFFERENCE IN SURFACE PRESSURE OVER THE REGION WILL HELP
TO PRODUCE STRONG AND GUSTY WINDS OVER SOUTHERN PLATTE COUNTY
LATER TONIGHT AND EARLY FRIDAY MORNING. THIS AREA INCLUDES
INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND.  

WYZ106-041500-
/O.CON.KCYS.HW.W.0013.110204T0700Z-110204T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
801 PM MST THU FEB 3 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
8 AM MST FRIDAY. 

* TIMING...MIDNIGHT MST TONIGHT THROUGH 8 AM MST FRIDAY.

* WINDS...SOUTHWEST AT 35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH.

* LATEST OBSERVED WINDS...THE WINDS AT THE INTERSTATE 25 BORDEAUX
  EXIT BETWEEN CHUGWATER AND WHEATLAND HAS SUSTAINED WINDS OF 34
  MPH AND GUSTS TO 45 MPH AS OF 740 PM. THOSE WINDS HAVE BEEN
  SLOWLY INCREASING SINCE SUNSET.  

* IMPACTS..THOSE PLANNING TRAVEL ALONG INTERSTATE 25 BETWEEN 
  CHUGWATER AND WHEATLAND SHOULD BE PREPARED FOR VERY STRONG 
  WINDS...ESPECIALLY THOSE IN 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.

&&

$$

WEILAND
641 
WWUS75 KCYS 041055
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
355 AM MST FRI FEB 4 2011

...STRONG WINDS THROUGH EARLY THIS MORNING ACROSS SOUTHERN PLATTE
COUNTY...

.A DIFFERENCE IN SURFACE PRESSURE OVER THE REGION WILL HELP TO
PRODUCE STRONG AND GUSTY WINDS OVER SOUTHERN PLATTE COUNTY THROUGH
EARLY THIS MORNING...INCLUDING INTERSTATE 25 BETWEEN CHUGWATER
AND WHEATLAND.

WYZ106-041500-
/O.CON.KCYS.HW.W.0013.000000T0000Z-110204T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
355 AM MST FRI FEB 4 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...THROUGH 800 AM MST TODAY.

* WINDS...SOUTHWEST AT 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS..THOSE PLANNING TRAVEL ALONG INTERSTATE 25 BETWEEN
  CHUGWATER AND WHEATLAND...ESPECIALLY NEAR BORDEAUX...SHOULD BE
  PREPARED FOR VERY STRONG WINDS...ESPECIALLY THOSE IN 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.

&&

$$

RUBIN/JAMSKI
987 
WWUS75 KCYS 041316
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
616 AM MST FRI FEB 4 2011

...HIGH WIND THREAT HAS ENDED...

.THE PRESSURE GRADIENTS HAVE RELAXED OVERNIGHT.

WYZ106-041430-
/O.CAN.KCYS.HW.W.0013.000000T0000Z-110204T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
616 AM MST FRI FEB 4 2011

...HIGH WIND WARNING IS CANCELLED...

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

SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL CONTINUE
THROUGH MID MORNING.

$$

RUBIN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 12:32 AM MSTHigh Wind WarningCYSAlbany, Laramie, Platte8 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.