Alert archive / Oklahoma / Tornado Warnings in 2012

Tornado Warning 6, NWS Norman, OK

April 9, 2012Woodward County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 9, 2012, 5:25 PM CDT for Woodward County, Oklahoma. It was in force for 35 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 9, 2012, 5:25 PM CDT (22:25 UTC)
Expired
Apr 9, 2012, 6:00 PM CDT
In force
35 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

County Woodward County, OK

The radar

The Vance AFB radar (KVNX), 122 km from the middle of the area, began a volume at 22:25 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
Apr 9, 5:49 PM CDTTORNADO3 N Sharon, OKA BRIEF TORNADO OCCURRED NORTH OF SHARON AND MOVED SOUTHEAST. NO DAMAGE OCCURRED WITH THE TORNADO.
Apr 9, 5:52 PM CDTTORNADO3 E Sharon, OKMULTIPLE STORM CHASERS, LOCAL BROADCAST MEDIA, AND THE WOODWARD COUNTY EMERGENCY MANAGEMENT REPORTED A TORNADO EAST OF SHARON. THE TORNADO DEVELOPED TO THE EAST-NORTHEAST OF SHARON AND MOVED SOUTHEAST, DESTROYING A 20 BY 40 FOOT METAL SHED AND DETACHING A ROOF

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 9, 2:28 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 10.4 hours before the alert went out and 170 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, Dodge City, at 12:00Z on 2012-04-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2012-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1086 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
64 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.

399 
WFUS54 KOUN 092225
TOROUN
OKC153-092300-
/O.NEW.KOUN.TO.W.0006.120409T2225Z-120409T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
525 PM CDT MON APR 9 2012

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL WOODWARD COUNTY IN NORTHWESTERN OKLAHOMA...

* UNTIL 600 PM CDT

* AT 520 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A 
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS 
  STORM WAS LOCATED NEAR WOODWARD...MOVING SOUTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SHARON AND MUTUAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET IN...GET DOWN...AND COVER UP. LEAVE MOBILE HOMES AND VEHICLES. 
TAKE COVER NOW IN A STORM SHELTER OR AN INTERIOR ROOM OF A STURDY 
BUILDING. STAY AWAY FROM DOORS AND WINDOWS.

&&

LAT...LON 3637 9953 3645 9931 3616 9907 3617 9943
TIME...MOT...LOC 2220Z 338DEG 22KT 3636 9940 

$$
4 follow-up statements
321 
WWUS54 KOUN 092232
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
532 PM CDT MON APR 9 2012

OKC153-092300-
/O.CON.KOUN.TO.W.0006.000000T0000Z-120409T2300Z/
WOODWARD OK-
532 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTH 
CENTRAL WOODWARD COUNTY...

AT 530 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED SEVERAL MILES SOUTH OF 
WOODWARD...MOVING SOUTHEAST AT 20 MPH. 

LOCATIONS IMPACTED INCLUDE...
SHARON AND MUTUAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET IN...GET DOWN...AND COVER UP. LEAVE MOBILE HOMES AND VEHICLES. 
TAKE COVER NOW IN A STORM SHELTER OR AN INTERIOR ROOM OF A STURDY 
BUILDING. STAY AWAY FROM DOORS AND WINDOWS.

&&

LAT...LON 3637 9952 3642 9930 3617 9908 3616 9911
      3617 9943
TIME...MOT...LOC 2230Z 335DEG 18KT 3636 9938 

$$

WR
606 
WWUS54 KOUN 092236
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
536 PM CDT MON APR 9 2012

OKC153-092300-
/O.CON.KOUN.TO.W.0006.000000T0000Z-120409T2300Z/
WOODWARD OK-
536 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTH 
CENTRAL WOODWARD COUNTY...

AT 534 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED MID-WAY 
BETWEEN WOODWARD AND SHARON...MOVING SOUTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
SHARON AND MUTUAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET IN...GET DOWN...AND COVER UP. LEAVE MOBILE HOMES AND VEHICLES. 
TAKE COVER NOW IN A STORM SHELTER OR AN INTERIOR ROOM OF A STURDY 
BUILDING. STAY AWAY FROM DOORS AND WINDOWS.

&&

LAT...LON 3636 9951 3640 9928 3617 9908 3616 9911
      3617 9943
TIME...MOT...LOC 2234Z 336DEG 21KT 3635 9937 

$$

WR
785 
WWUS54 KOUN 092240
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
540 PM CDT MON APR 9 2012

OKC153-092300-
/O.CON.KOUN.TO.W.0006.000000T0000Z-120409T2300Z/
WOODWARD OK-
540 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTH 
CENTRAL WOODWARD COUNTY...

AT 534 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED ABOUT 4 MILES NORTH OF 
SHARON...MOVING SOUTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
SHARON AND MUTUAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO A TORNADO THREAT...THIS STORM LIKELY CONTAINS 
DAMAGING HAIL TO THE SIZE OF BASEBALLS OR LARGER.

GET IN...GET DOWN...AND COVER UP. LEAVE MOBILE HOMES AND VEHICLES. 
TAKE COVER NOW IN A STORM SHELTER OR AN INTERIOR ROOM OF A STURDY 
BUILDING. STAY AWAY FROM DOORS AND WINDOWS.

&&

LAT...LON 3636 9951 3640 9928 3617 9908 3616 9911
      3617 9943
TIME...MOT...LOC 2234Z 335DEG 22KT 3635 9936 

$$

WR
523 
WWUS54 KOUN 092246
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
546 PM CDT MON APR 9 2012

OKC153-092300-
/O.CON.KOUN.TO.W.0006.000000T0000Z-120409T2300Z/
WOODWARD OK-
546 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR SOUTH 
CENTRAL WOODWARD COUNTY...

AT 539 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED ABOUT 2 MILES NORTH OF 
SHARON...MOVING SOUTHEAST AT 30 MPH. 

LOCATIONS IMPACTED INCLUDE...
SHARON AND MUTUAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO A TORNADO THREAT...THIS STORM LIKELY CONTAINS 
DAMAGING HAIL TO THE SIZE OF GRAPEFRUIT.

GET IN...GET DOWN...AND COVER UP. LEAVE MOBILE HOMES AND VEHICLES. 
TAKE COVER NOW IN A STORM SHELTER OR AN INTERIOR ROOM OF A STURDY 
BUILDING. STAY AWAY FROM DOORS AND WINDOWS.

&&

LAT...LON 3636 9951 3640 9928 3617 9908 3616 9911
      3617 9943
TIME...MOT...LOC 2239Z 337DEG 26KT 3630 9934 

$$

WR

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 2:36 AM CDTDense Fog AdvisoryOUNAlfalfa, Atoka, Beckham, Blaine, Bryan, Caddo and 42 more7 hr
Apr 9, 3:12 PM CDTSpecial Weather StatementOUNHarper33 min
Apr 9, 3:39 PM CDTSevere Thunderstorm WarningOUNHarper, Woods51 min
Apr 9, 3:53 PM CDTSpecial Weather StatementOUNWoodward37 min
Apr 9, 4:10 PM CDTSevere Thunderstorm WarningOUNHarper, Woods, Woodward65 min
Apr 9, 4:30 PM CDTSevere Thunderstorm WarningOUNWoodward60 min
Apr 9, 5:03 PM CDTSpecial Weather StatementOUNBeckham42 min
Apr 9, 5:15 PM CDTSevere Thunderstorm WarningOUNMajor, Woods, Woodward60 min
Apr 9, 5:17 PM CDTSpecial Weather StatementOUNHarper28 min
Apr 9, 5:29 PM CDTSpecial Weather StatementOUNDewey31 min
Apr 9, 5:43 PM CDTAreal Flood AdvisoryOUNHarper, Woodward3 hr
Apr 9, 5:50 PM CDTTornado WarningOUNDewey, Woodward40 min
Apr 9, 5:51 PM CDTSpecial Weather StatementOUNBeckham24 min
Apr 9, 6:00 PM CDTSevere Thunderstorm WarningOUNWoodward45 min
Apr 9, 6:26 PM CDTSevere Thunderstorm WarningOUNDewey, Ellis, Major, Roger Mills, Woodward64 min
Apr 9, 6:29 PM CDTTornado WarningOUNDewey, Woodward31 min
Apr 9, 6:32 PM CDTSpecial Weather StatementOUNHarmon28 min
Apr 9, 6:47 PM CDTSevere Thunderstorm WarningOUNHarmon58 min

Nearby

Tornado Warnings in Oklahoma, 2012Every tornado warning in 2012Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.