Alert archive / Oklahoma / Tornado Warnings in 2012

Tornado Warning 7, NWS Norman, OK

April 9, 2012Dewey County, Woodward County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 9, 2012, 5:50 PM CDT for Dewey County, Woodward County, Oklahoma. It was in force for 40 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, 5:50 PM CDT (22:50 UTC)
Expired
Apr 9, 2012, 6:30 PM CDT
In force
40 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

Counties Dewey County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 124 km from the middle of the area, began a volume at 22:51 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, 5:52 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
Apr 9, 6:38 PM CDTHAIL 3.55 W Sharon, OK

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

Lamont, OK (KLMN), launched 12:00Z, 10.8 hours before the alert went out and 171 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, Lamont, OK 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, Lamont, OK at 12:00Z on 2012-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
641 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
0 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.

422 
WFUS54 KOUN 092250
TOROUN
OKC043-153-092330-
/O.NEW.KOUN.TO.W.0007.120409T2250Z-120409T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
550 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...
  DEWEY COUNTY IN NORTHWESTERN OKLAHOMA...

* UNTIL 630 PM CDT

* AT 546 PM CDT...RADAR AND STORM SPOTTERS OBSERVED A TORNADO NEAR 
  SHARON. THE TORNADO WAS MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VICI...SHARON...CAMARGO...MUTUAL AND CESTOS. 

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 3638 9927 3596 9894 3589 9935 3608 9938
      3616 9938 3617 9942 3631 9947
TIME...MOT...LOC 2246Z 337DEG 26KT 3629 9934 

$$

WR
3 follow-up statements
566 
WWUS54 KOUN 092302
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
602 PM CDT MON APR 9 2012

OKC043-153-092330-
/O.CON.KOUN.TO.W.0007.000000T0000Z-120409T2330Z/
WOODWARD OK-DEWEY OK-
602 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH 
CENTRAL WOODWARD AND DEWEY COUNTIES...

AT 600 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED A FEW MILES SOUTH OF 
SHARON...MOVING SOUTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
VICI...SHARON...CAMARGO...MUTUAL AND CESTOS. 

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 3634 9923 3596 9894 3589 9935 3608 9938
      3616 9938 3617 9942 3625 9945 3626 9945
TIME...MOT...LOC 2300Z 332DEG 22KT 3626 9929 

$$

WR
949 
WWUS54 KOUN 092312
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
612 PM CDT MON APR 9 2012

OKC043-153-092330-
/O.CON.KOUN.TO.W.0007.000000T0000Z-120409T2330Z/
WOODWARD OK-DEWEY OK-
612 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH 
CENTRAL WOODWARD AND DEWEY COUNTIES...

AT 609 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED ABOUT 4 MILES 
NORTHWEST OF MUTUAL...MOVING SOUTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
VICI...SHARON...CAMARGO...MUTUAL AND CESTOS. 

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 3634 9923 3596 9894 3589 9935 3608 9938
      3616 9938 3617 9942 3625 9945 3626 9945
TIME...MOT...LOC 2309Z 331DEG 23KT 3625 9924 

$$

WR
884 
WWUS54 KOUN 092318
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
618 PM CDT MON APR 9 2012

OKC043-153-092330-
/O.CON.KOUN.TO.W.0007.000000T0000Z-120409T2330Z/
WOODWARD OK-DEWEY OK-
618 PM CDT MON APR 9 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR 
EXTREME SOUTH CENTRAL WOODWARD AND EXTREME NORTHWESTERN DEWEY 
COUNTIES...

AT 614 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS 
WERE TRACKING A TORNADO. THIS TORNADO LOCATED NEAR MUTUAL...MOVING 
SOUTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
VICI...MUTUAL AND CESTOS. 

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 3621 9935 3632 9922 3607 9903 3605 9930
      3612 9933
TIME...MOT...LOC 2314Z 322DEG 23KT 3623 9923 

$$

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, 5:25 PM CDTTornado WarningOUNWoodward35 min
Apr 9, 5:29 PM CDTSpecial Weather StatementOUNDewey31 min
Apr 9, 5:43 PM CDTAreal Flood AdvisoryOUNHarper, Woodward3 hr
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.