Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 10, NWS Cheyenne, WY

January 26, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 26, 2011, 6:11 PM MST for 4 counties in Wyoming. It was in force for 14 hr. 2 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: Jan 26, 2011, 6:11 PM MST (01:11 UTC)
Expired: Jan 27, 2011, 8:00 AM MST
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 01:17 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

Time	Report	Where	Remark
Jan 26, 8:20 PM MST	HIGH SUST WINDS 45	Bordeaux, WY	BORDEAUX HIGHWAY SENSOR. ELEV. 4698 FEET. HIGHEST SUSTAINED WIND FROM 5 PM MST TO 840 PM MST...WITH GUSTS AT TIME OF OBSERVATION 55 MPH. HIGHEST GUST DURING THE PERIOD WAS 56 MPH AT 555 PM MST.
Jan 26, 8:31 PM MST	HIGH SUST WINDS 41	Arlington, WY	ARLINGTON HIGHWAY SENSOR. ELEV. 7763 FEET. HIGHEST SUSTAINED WIND OBSERVED FROM 506 PM MST TO 841 PM MST...WITH OTHER 40 MPH REPORTS AT 841 PM MST...826 PM MST...AND 801 PM MST.

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, 1.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2720 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 156 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.

168 
WWUS75 KCYS 270111
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
611 PM MST WED JAN 26 2011

...VERY STRONG WINDS WILL IMPACT PORTIONS OF SOUTHEAST WYOMING
TONIGHT...

.A STRONG WEST TO EAST PRESSURE GRADIENT WILL BE PRESENT ALONG
WITH VERY STABLE CONDITIONS IN THE LOWER LEVELS OF THE ATMOSPHERE
AND THIS WILL FAVOR WINDS IN THE FAVORED GAP AREAS REACHING HIGH
WIND WARNING CRITERIA OVERNIGHT.

WYZ106-110-271500-
/O.NEW.KCYS.HW.W.0010.110127T0111Z-110127T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
611 PM MST WED JAN 26 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST THURSDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST THURSDAY. 

* TIMING...THROUGH 8 AM MST THURSDAY.

* WINDS...SOUTHWEST AT 35 TO 45 MPH WITH GUSTS TO AROUND 55 TO 60
  MPH.

* IMPACTS...THOSE TRAVELING THROUGH THE AREA WITH A LIGHTWEIGHT OR
  HIGH PROFILE VEHICLE SHOULD SLOW DOWN AND USE EXTRA CAUTION WHEN
  TRAVELING ALONG INTERSTATE 25 FROM CHUGWATER TO WHEATLAND...OR
  ALONG INTERSTATE 80 NEAR ARLINGTON TONIGHT.

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

1 follow-up statement

015 
WWUS75 KCYS 271445
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
745 AM MST THU JAN 27 2011


WYZ106-110-271545-
/O.EXP.KCYS.HW.W.0010.000000T0000Z-110127T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
745 AM MST THU JAN 27 2011

...HIGH WIND WARNING WILL EXPIRE AT 8 AM MST THIS MORNING...

THE WINDS FOR THE WARNED AREAS HAVE DECREASED BELOW HIGH WIND
CRITERIA. AS A RESULT THE HIGH WIND WARNING WILL EXPIRE AT 8 AM
MST THIS MORNING. HOWEVER GUSTS UP TO 50 MPH ARE STILL POSSIBLE
THROUGH THE MORNING.


$$
LUNDQUIST

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 27, 10:43 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	21 hr

Nearby

High Wind Warnings in Wyoming, 2011 Every 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.