Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 27, NWS Cheyenne, WY

March 16, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Mar 16, 2011, 3:47 PM MDT for 4 counties in Wyoming. It was in force for 3 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
Mar 16, 2011, 3:47 PM MDT (21:47 UTC)
Expired
Mar 16, 2011, 6:40 PM MDT
In force
3 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 21:53 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
Mar 16, 3:51 PM MDTNON-TSTM WND GST 7315 Nne Centennial, WYSUSTAINED AT 49 MPH. GUSTS TO 61 MPH FROM 356 PM TO 411 PM.
Mar 16, 3:55 PM MDTNON-TSTM WND GST 667 Ese Arlington, WYSUSTAINED AT 48 MPH. GUSTS TO 60 MPH AT 405PM AND 410 PM AS WELL.

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, 9.8 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 2011-03-16Temperature 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 2011-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 234 square meters per square second.1939587897117Sfc1 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
1920 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
234 m²/s²
0-3 km storm-relative helicity
468 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.

858 
WWUS75 KCYS 162147
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
347 PM MDT WED MAR 16 2011

...STRONG AND GUSTY WEST TO SOUTHWEST WINDS THROUGH EARLY
EVENING...

.STRONG WEST TO SOUTHWEST WINDS WILL OCCUR THROUGH EARLY EVENING
IN THE SUBIDENCE BEHIND A PASSING WEATHER DISTURBANCE AND WITH A
STRONG SURFACE AND LOW LEVEL PRESSURE GRADIENT AND STRONG WINDS
ALOFT.

WYZ106-110-116-170300-
/O.NEW.KCYS.HW.W.0027.110316T2147Z-110317T0300Z/
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
347 PM MDT WED MAR 16 2011

...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 900 PM MDT.

* WINDS...FROM THE WEST TO SOUTHWEST AT 25 TO 45 MPH WITH GUSTS
  TO 65 MPH.

* IMPACTS...DRIVERS OF HIGH PROFILE VEHICLES MAY WANT TO POSTPONE
  TRAVEL ALONG INTERSTATES 25 AND 80 IN THE HIGH WIND WARNING AREA
  THROUGH EARLY EVENING.

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
1 follow-up statement
328 
WWUS75 KCYS 170040
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
640 PM MDT WED MAR 16 2011

...HIGH WIND WARNING CANCELLED...

WYZ106-110-116-170145-
/O.CAN.KCYS.HW.W.0027.000000T0000Z-110317T0300Z/
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
640 PM MDT WED MAR 16 2011

...HIGH WIND WARNING IS CANCELLED...

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

WINDS AT BORDEAUX...ARLINGTON AND VEDAUWOO HAVE ALL SHOWED
SIGNIFICANT DECREASES IN WIND SPEEDS THE PAST COUPLE HOURS AND ARE
NO LONGER EXPECTED TO BE STRONG OVERNIGHT. THUS...THE HIGH WIND
WARNING HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 4:30 AM MDTWinter Storm WatchCYSAlbany, Carbon10 hr
Mar 16, 2:15 PM MDTWinter Storm WarningCYSAlbany, Carbon36 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.