Alert archive / Oklahoma / Tornado Warnings in 2011

Tornado Warning 79, NWS Norman, OK

November 7, 2011Jackson County, Kiowa County, Tillman County, Oklahoma

NWS Norman, OK issued this tornado warning at Nov 7, 2011, 2:44 PM CST for Jackson County, Kiowa County, Tillman County, Oklahoma. It was in force for 46 min. 5 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
Nov 7, 2011, 2:44 PM CST (20:44 UTC)
Expired
Nov 7, 2011, 3:30 PM CST
In force
46 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

Counties Jackson County, OK, Kiowa County, OK, Tillman County, OK

The radar

The Altus AFB radar (KFDR), 18 km from the middle of the area, began a volume at 20:47 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
Nov 7, 2:54 PM CSTTORNADO 23 S Tipton, OKTHIS LONG-LIVED TORNADO WAS OBSERVED PASSING TO THE SOUTH AND EAST OF TIPTON. IT LIKELY DEVELOPED IN EXTREME NORTHERN WILBARGER COUNTY TEXAS ABOUT 4 MILES EAST-NORTHEAST OF FARGO TEXAS AT AROUND 238 PM CST, AND DISSIPATED ABOUT 3 MILES NORTHEAST OF TIPTON AT A
Nov 7, 2:54 PM CSTTORNADO3 S Tipton, OK
Nov 7, 3:15 PM CSTTORNADO2 Nw Manitou, OKA TORNADO DEVELOPED TO THE WEST OR NORTHWEST OF MANITOU AT APPROXIMATELY 315 PM CST.. MOVED NORTHEAST AND DISSIPATED NEAR US HIGHWAY 183 LIKELY JUST NORTH OF THE KIOWA/TILLMAN COUNTY LINE SOUTH OF SNYDER.
Nov 7, 3:25 PM CSTTSTM WND GST 7010 S Snyder, OK
Nov 7, 3:38 PM CSTTORNADO3 E Snyder, 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
Nov 7, 1:11 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.7 hours before the alert went out and 180 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 12:00Z on 2011-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1081 joules per kilogram.LCLLFCEL10008507005003002001001 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, Norman, OK at 12:00Z on 2011-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.19395878Sfc1 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
1081 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

107 
WFUS54 KOUN 072044
TOROUN
OKC065-075-141-072130-
/O.NEW.KOUN.TO.W.0079.111107T2044Z-111107T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
244 PM CST MON NOV 7 2011

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JACKSON COUNTY IN SOUTHWEST OKLAHOMA...
  SOUTHERN KIOWA COUNTY IN SOUTHWEST OKLAHOMA...
  NORTHWESTERN TILLMAN COUNTY IN SOUTHWEST OKLAHOMA...

* UNTIL 330 PM CST

* AT 244 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  FREDERICK...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE EXTREME SOUTHWESTERN TOM STEED
  RESERVOIR...FREDERICK...MANITOU...MOUNTAIN PARK...SNYDER AND
  TIPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANYTIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES. IF POSSIBLE... MOVE TO A BASEMENT OR STORM SHELTER.
OTHERWISE... MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR.
STAY AWAY FROM WINDOWS.

&&

LAT...LON 3474 9903 3469 9882 3459 9885 3424 9913
      3432 9921 3433 9921 3435 9924 3437 9923
      3438 9926 3439 9927 3439 9926 3442 9929
TIME...MOT...LOC 2044Z 211DEG 32KT 3437 9916

$$
WR
5 follow-up statements
096 
WWUS54 KOUN 072050
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
250 PM CST MON NOV 7 2011

OKC065-075-141-072130-
/O.CON.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
JACKSON OK-KIOWA OK-TILLMAN OK-
250 PM CST MON NOV 7 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR
NORTHWESTERN TILLMAN...SOUTHERN KIOWA AND SOUTHEASTERN JACKSON
COUNTIES...

AT 250 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 7 MILES
WEST OF FREDERICK...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE FREDERICK...MANITOU...MOUNTAIN
  PARK...SNYDER AND TIPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3428 9911 3435 9920 3446 9924 3474 9903
      3469 9882 3459 9885
TIME...MOT...LOC 2050Z 211DEG 32KT 3442 9913

$$
WR
256 
WWUS54 KOUN 072056
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
256 PM CST MON NOV 7 2011

OKC065-075-141-072130-
/O.CON.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
JACKSON OK-KIOWA OK-TILLMAN OK-
256 PM CST MON NOV 7 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR
NORTHWESTERN TILLMAN...SOUTHERN KIOWA AND EASTERN JACKSON COUNTIES...

AT 256 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 5 MILES
SOUTH OF TIPTON...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE MANITOU...MOUNTAIN PARK...SNYDER
  AND TIPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3436 9908 3437 9916 3446 9923 3474 9903
      3469 9882 3459 9885
TIME...MOT...LOC 2056Z 211DEG 32KT 3447 9911

$$
WR
204 
WWUS54 KOUN 072113
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
313 PM CST MON NOV 7 2011

OKC065-075-141-072130-
/O.CON.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
JACKSON OK-KIOWA OK-TILLMAN OK-
313 PM CST MON NOV 7 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
TILLMAN...SOUTHERN KIOWA AND EXTREME EASTERN JACKSON COUNTIES...

AT 313 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 3 MILES
WEST OF MANITOU...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE MANITOU...MOUNTAIN PARK...SNYDER
  AND TIPTON.

LAT...LON 3474 9903 3469 9883 3459 9885 3442 9902
      3444 9911 3454 9917
TIME...MOT...LOC 2113Z 211DEG 32KT 3453 9901

$$
WR
761 
WWUS54 KOUN 072121
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
321 PM CST MON NOV 7 2011

OKC065-072131-
/O.CAN.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
JACKSON OK-
321 PM CST MON NOV 7 2011

...THE TORNADO WARNING HAS BEEN CANCELLED FOR EXTREME EASTERN JACKSON
COUNTY...

LAT...LON 3459 9913 3459 9908 3462 9908 3463 9910
      3467 9907 3469 9904 3470 9905 3474 9903
      3469 9883 3459 9885 3447 9899 3449 9907
      3456 9915
TIME...MOT...LOC 2121Z 213DEG 31KT 3459 9898

$$

OKC075-141-072130-
/O.CON.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
KIOWA OK-TILLMAN OK-
321 PM CST MON NOV 7 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
TILLMAN AND SOUTHERN KIOWA COUNTIES...

AT 321 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 4 MILES
NORTH OF MANITOU...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE MANITOU...MOUNTAIN PARK AND
  SNYDER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3459 9913 3459 9908 3462 9908 3463 9910
      3467 9907 3469 9904 3470 9905 3474 9903
      3469 9883 3459 9885 3447 9899 3449 9907
      3456 9915
TIME...MOT...LOC 2121Z 213DEG 31KT 3459 9898

$$
WR
740 
WWUS54 KOUN 072124
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
324 PM CST MON NOV 7 2011

OKC075-141-072130-
/O.CON.KOUN.TO.W.0079.000000T0000Z-111107T2130Z/
KIOWA OK-TILLMAN OK-
324 PM CST MON NOV 7 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
TILLMAN AND SOUTHERN KIOWA COUNTIES...

AT 325 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 5 MILES
SOUTH OF SNYDER...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE MANITOU...MOUNTAIN PARK AND
  SNYDER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3467 9907 3469 9904 3470 9905 3474 9903
      3469 9883 3459 9885 3447 9899 3453 9905
      3462 9908 3463 9910
TIME...MOT...LOC 2125Z 213DEG 31KT 3463 9896

$$
WR

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 9:08 PM CSTSpecial Weather StatementOUNCarter, Murray37 min
Nov 6, 10:12 PM CSTSpecial Weather StatementOUNMurray33 min
Nov 6, 10:19 PM CSTSpecial Weather StatementOUNCarter, Jefferson56 min
Nov 6, 10:55 PM CSTFlash Flood WarningOUNCarter, Jefferson3 hr
Nov 6, 11:47 PM CSTFlash Flood WarningOUNCarter, Murray3 hr
Nov 7, 1:31 AM CSTFlash Flood WarningOUNJohnston, Murray, Pontotoc4 hr
Nov 7, 7:14 AM CSTSpecial Weather StatementOUNDewey46 min
Nov 7, 12:25 PM CSTSpecial Weather StatementOUNBeckham35 min
Nov 7, 1:06 PM CSTSpecial Weather StatementOUNRoger Mills9 min
Nov 7, 1:16 PM CSTSevere Thunderstorm WarningOUNBeckham, Custer, Dewey, Roger Mills59 min
Nov 7, 1:29 PM CSTSpecial Weather StatementOUNGreer, Harmon31 min
Nov 7, 1:33 PM CSTSpecial Weather StatementOUNJackson42 min
Nov 7, 1:49 PM CSTSevere Thunderstorm WarningOUNGreer, Harmon56 min
Nov 7, 2:02 PM CSTSevere Thunderstorm WarningOUNGreer, Harmon, Jackson, Kiowa, Tillman58 min
Nov 7, 2:14 PM CSTTornado WarningOUNGreer, Harmon, Kiowa46 min
Nov 7, 2:17 PM CSTSevere Thunderstorm WarningOUNBeckham, Blaine, Custer, Dewey, Roger Mills58 min
Nov 7, 2:47 PM CSTSpecial Weather StatementOUNGrant, Major43 min
Nov 7, 3:00 PM CSTSevere Thunderstorm WarningOUNGreer, Jackson, Kiowa, Washita60 min
Nov 7, 3:08 PM CSTTornado WarningOUNKiowa, Washita52 min
Nov 7, 3:15 PM CSTSpecial Weather StatementOUNHarmon30 min
Nov 7, 3:23 PM CSTSpecial Weather StatementOUNRoger Mills37 min
Nov 7, 3:27 PM CSTTornado WarningOUNComanche, Kiowa, Tillman48 min
Nov 7, 3:34 PM CSTSpecial Weather StatementOUNGreer26 min
Nov 7, 3:42 PM CSTSpecial Weather StatementOUNKay33 min
Nov 7, 3:42 PM CSTTornado WarningOUNKiowa33 min
Nov 7, 3:47 PM CSTSpecial Weather StatementOUNMajor28 min
Nov 7, 4:05 PM CSTSevere Thunderstorm WarningOUNBeckham, Greer, Washita40 min
Nov 7, 4:06 PM CSTSpecial Weather StatementOUNCaddo24 min
Nov 7, 4:14 PM CSTTornado WarningOUNCaddo, Comanche, Kiowa46 min
Nov 7, 4:18 PM CSTSevere Thunderstorm WarningOUNKay42 min
Nov 7, 4:33 PM CSTSevere Thunderstorm WarningOUNBeckham, Custer, Kiowa, Washita42 min
Nov 7, 4:39 PM CSTSevere Thunderstorm WarningOUNGreer, Harmon, Jackson51 min
Nov 7, 4:57 PM CSTSevere Thunderstorm WarningOUNKay63 min
Nov 7, 4:57 PM CSTTornado WarningOUNCaddo38 min
Nov 7, 5:16 PM CSTSevere Thunderstorm WarningOUNCuster, Kiowa, Washita59 min
Nov 7, 5:20 PM CSTSevere Thunderstorm WarningOUNBeckham, Greer40 min
Nov 7, 5:37 PM CSTSevere Thunderstorm WarningOUNHarmon, Jackson53 min
Nov 7, 5:48 PM CSTSevere Thunderstorm WarningOUNBlaine, Caddo27 min

Nearby

Tornado Warnings in Oklahoma, 2011Every tornado warning in 2011Tornadoes 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.