Alert archive / Oklahoma / Wind Advisories in 2012

Wind Advisory 6, NWS Norman, OK

February 23, 201230 counties in Oklahoma

NWS Norman, OK issued this wind advisory at Feb 23, 2012, 4:41 AM CST for 30 counties in Oklahoma. It took effect at Feb 23, 2012, 9:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 23, 2012, 4:41 AM CST (10:41 UTC)
In effect from
Feb 23, 2012, 9:00 AM CST
Expired
Feb 23, 2012, 6:00 PM CST
In force
9 hr
Issued by
NWS Norman, OK
All 30 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 105 km from the middle of the area, began a volume at 10:44 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

Norman, OK (KOUN), launched 00:00Z, 10.7 hours before the alert went out and 107 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, Norman, OK at 00:00Z on 2012-02-23Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2012-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
3213 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
142 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.

405 
WWUS74 KOUN 231041
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
441 AM CST THU FEB 23 2012

OKZ004>007-009>012-014>016-240000-
/O.NEW.KOUN.WI.Y.0006.120223T1500Z-120224T0000Z/
HARPER-WOODS-ALFALFA-GRANT-ELLIS-WOODWARD-MAJOR-GARFIELD-
ROGER MILLS-DEWEY-CUSTER-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
ARNETT...WOODWARD...FAIRVIEW...ENID...CHEYENNE...TALOGA...
WEATHERFORD...CLINTON
441 AM CST THU FEB 23 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST
THIS EVENING. 

* TIMING: AS A COLD FRONT SURGES SOUTHWARD...STRONG AND GUSTY
  WINDS ARE EXPECTED TO DEVELOP BY LATE MORNING AND CONTINUE
  THROUGH THIS AFTERNOON BEFORE DIMINISHING AROUND SUNSET.

* WINDS: SUSTAINED NORTH TO NORTHWEST WINDS OF 25 TO 35 MPH WITH
  GUSTS TO 45 MPH WILL BE LIKELY.

* IMPACTS: WINDS MAY LOFT LIGHTWEIGHT OBJECTS THAT ARE NOT
  SECURED. DRIVING CONDITIONS WILL ALSO BECOME DIFFICULT LATE THIS
  MORNING THROUGH EARLY EVENING...PARTICULARLY ON EAST WEST
  ROADWAYS. USE CAUTION IF TRAVELING ACROSS THE AREA...ESPECIALLY
  IN HIGH PROFILE VEHICLES WHICH SUSCEPTIBLE TO HIGH WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL OR IF YOU ARE WORKING OR PLAYING
OUTSIDE.

&&

$$
1 follow-up statement
770 
WWUS74 KOUN 231713
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
1113 AM CST THU FEB 23 2012

OKZ008-013-017>030-033>035-240000-
/O.EXA.KOUN.WI.Y.0006.000000T0000Z-120224T0000Z/
KAY-NOBLE-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-WASHITA-CADDO-
CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-POTTAWATOMIE-
HARMON-GREER-KIOWA-
INCLUDING THE CITIES OF...PONCA CITY...PERRY...WATONGA...
KINGFISHER...GUTHRIE...STILLWATER...ELK CITY...SAYRE...CORDELL...
ANADARKO...YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...
CHICKASHA...PURCELL...NORMAN...MOORE...SHAWNEE...HOLLIS...
MANGUM...HOBART
1113 AM CST THU FEB 23 2012

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* TIMING: STRONG AND GUSTY NORTHWEST WINDS ARE EXPECTED THROUGH
  MUCH OF THE AFTERNOON. WINDS WILL DIMINISH AROUND SUNSET.

* WINDS: SUSTAINED NORTH TO NORTHWEST WINDS OF 25 TO 35 MPH WITH
  GUSTS TO AROUND 40 MPH WILL BE LIKELY.

* IMPACTS: WINDS MAY LOFT LIGHTWEIGHT OBJECTS THAT ARE NOT 
  SECURED. DRIVING CONDITIONS WILL ALSO BECOME DIFFICULT LATE 
  THIS MORNING THROUGH EARLY EVENING...PARTICULARLY ON EAST WEST 
  ROADWAYS. USE CAUTION IF TRAVELING ACROSS THE AREA...
  ESPECIALLY IN HIGH PROFILE VEHICLES WHICH SUSCEPTIBLE TO HIGH 
  WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL OR IF YOU ARE WORKING OR PLAYING
OUTSIDE.

&&

$$

OKZ004>007-009>012-014>016-240000-
/O.CON.KOUN.WI.Y.0006.000000T0000Z-120224T0000Z/
HARPER-WOODS-ALFALFA-GRANT-ELLIS-WOODWARD-MAJOR-GARFIELD-
ROGER MILLS-DEWEY-CUSTER-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
ARNETT...WOODWARD...FAIRVIEW...ENID...CHEYENNE...TALOGA...
WEATHERFORD...CLINTON
1113 AM CST THU FEB 23 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* TIMING: STRONG AND GUSTY WINDS WILL CONTINUE THROUGH THIS
  AFTERNOON BEFORE DIMINISHING AROUND SUNSET.

* WINDS: SUSTAINED NORTH TO NORTHWEST WINDS OF 25 TO 35 MPH WITH
  GUSTS TO 45 MPH WILL BE LIKELY.

* IMPACTS: WINDS MAY LOFT LIGHTWEIGHT OBJECTS THAT ARE NOT 
  SECURED. DRIVING CONDITIONS WILL ALSO BECOME DIFFICULT LATE 
  THIS MORNING THROUGH EARLY EVENING...PARTICULARLY ON EAST WEST 
  ROADWAYS. USE CAUTION IF TRAVELING ACROSS THE AREA...
  ESPECIALLY IN HIGH PROFILE VEHICLES WHICH SUSCEPTIBLE TO HIGH 
  WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL OR IF YOU ARE WORKING OR PLAYING
OUTSIDE.

&&

$$

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 5:45 AM CSTRed Flag WarningOUNAtoka, Bryan, Caddo, Canadian, Carter, Cleveland and 23 more10 hr

Nearby

Wind Advisories in Oklahoma, 2012Every wind advisory in 2012

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.