Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 9, NWS Cheyenne, WY

January 24, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 24, 2011, 9:00 PM MST for 4 counties in Wyoming. It was in force for 11 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
Jan 24, 2011, 9:00 PM MST (04:00 UTC)
Expired
Jan 25, 2011, 7:54 AM MST
In force
11 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 03:58 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

Riverton, WY (KRIW), launched 00:00Z, 4.0 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 00:00Z on 2011-01-25Temperature 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 2011-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
2992 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
125 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.

201 
WWUS75 KCYS 250400
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
900 PM MST MON JAN 24 2011

...HIGH WINDS RETURN TO ARLINGTON AND BORDEAUX TONIGHT...

.SOUTHWEST WINDS HAVE BEGUN TO INCREASE AT OUR WIND PRONE AREAS OF
ARLINGTON ON INTERSTE 80 AND BORDEAUX ON INTERSTATE 25.
INDICATIONS ARE THAT THESE WINDS WILL CONTINUE TO INCREASE AND
SHOULD HIT WARNING CRITERIA AFTER MIDNIGHT...BEFORE SLOWLY
DECREASING BY SUNRISE.

WYZ106-110-251300-
/O.NEW.KCYS.HW.W.0009.110125T0400Z-110126T1300Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
900 PM MST MON JAN 24 2011

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 AM MST WEDNESDAY. 

* TIMING...MIDNIGHT TONIGHT THROUGH 6 AM TUESDAY.

* WINDS...SOUTHWEST WINDS OF 40 MPH SUSTAINED...GUSTING TO 60 MPH.

* IMPACTS...MOTORISTS TRAVELLING ALONG INTERSTATE 25 IN SOUTHWEST
  PLATTE COUNTY AND ALONG INTERSTATE 80 NEAR ARLINGTON 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.

&&

$$
2 follow-up statements
371 
WWUS75 KCYS 251033
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
333 AM MST TUE JAN 25 2011

...STRONG WINDS WILL CONTINUE BETWEEN CHUGWATER AND WHEATLAND
AND THE ARLINGTON AREAS INTO THE MID MORNING...

.WESTERLY WINDS SUSTAINED AROUND 40 MPH WITH BRIEF GUSTS TO 60
MPH WILL CONTINUE UNTIL MID MORNING BETWEEN CHUGWATER AND
WHEATLAND AS WELL AS ARLINGTON. THE WINDS WILL GRADUALLY DIMINISH 
OVER THOSE AREAS IN THE MID TO LATE MORNING HOURS. 

WYZ106-110-251600-
/O.EXT.KCYS.HW.W.0009.000000T0000Z-110125T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
333 AM MST TUE JAN 25 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL 9 AM MST THIS MORNING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 9 AM MST THIS
MORNING. 

* TIMING...THROUGH 9 AM THIS MORNING.

* WINDS...WESTERLY AROUND 40 MPH SUSTAINED WITH BRIEF GUSTS TO 60
  MPH.

* IMPACTS...MOTORISTS TRAVELING ALONG INTERSTATE 25 IN SOUTHWEST
  PLATTE COUNTY AND ALONG INTERSTATE 80 NEAR ARLINGTON SHOULD BE
  PREPARED FOR 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.

&&

$$

WEILAND
282 
WWUS75 KCYS 251454
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
754 AM MST TUE JAN 25 2011

WYZ106-110-251600-
/O.CAN.KCYS.HW.W.0009.000000T0000Z-110125T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
754 AM MST TUE JAN 25 2011

...HIGH WIND WARNING IS CANCELLED...

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

WINDS ARE EXPECTED TO CONTINUE TO SLACKEN THIS MORNING AND WILL NO
LONGER BE A THREAT...SO WILL CANCEL THE WARNING.

$$

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.