Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 81, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Nov 7, 2011, 3:27 PM CST for Comanche County, Kiowa County, Tillman County, Oklahoma. It was in force for 48 min. 3 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, 3:27 PM CST (21:27 UTC)
- Expired
- Nov 7, 2011, 4:15 PM CST
- In force
- 48 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
Counties Comanche County, OK, Kiowa County, OK, Tillman County, OK
The radar
The Altus AFB radar (KFDR), 41 km from the middle of the area, began a volume at 21:30 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 7, 3:38 PM CST | TORNADO | 3 E Snyder, OK | |
| Nov 7, 3:50 PM CST | HAIL 2 | 1 N Snyder, OK | |
| Nov 7, 3:50 PM CST | TORNADO | 6 Ene Mountain Park, OK | A TORNADO DEVELOPED SOUTHEAST OF THE INTERSECTION OF STATE HIGHWAYS 49 AND 54 IN SOUTHEASTERN KIOWA COUNTY. THIS TORNADO MOVED NORTHEAST THROUGH THE WICHITA MOUNTAINS WILDLIFE REFUGE IN NORTHWESTERN COMANCHE COUNTY.. THEN MOVED BACK INTO KIOWA COUNTY AND DISSI |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 7, 1:11 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.5 hours before the alert went out and 148 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
701
WFUS54 KOUN 072127
TOROUN
OKC031-075-141-072215-
/O.NEW.KOUN.TO.W.0081.111107T2127Z-111107T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
327 PM CST MON NOV 7 2011
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN COMANCHE COUNTY IN SOUTHWEST OKLAHOMA...
SOUTHEASTERN KIOWA COUNTY IN SOUTHWEST OKLAHOMA...
NORTHERN TILLMAN COUNTY IN SOUTHWEST OKLAHOMA...
* UNTIL 415 PM CST
* AT 327 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO NEAR
SNYDER...MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IN THE WARNING INCLUDE MOUNTAIN PARK...SNYDER...
SOUTHEASTERN TOM STEED RESERVOIR AND WESTERN WICHITA MOUNTAINS
WILDLIFE REFUGE.
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 3465 9908 3469 9904 3470 9905 3505 9862
3481 9861 3454 9891
TIME...MOT...LOC 2127Z 219DEG 33KT 3467 9892
$$
WR5 follow-up statements
079
WWUS54 KOUN 072140
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
340 PM CST MON NOV 7 2011
OKC141-072150-
/O.CAN.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/
TILLMAN OK-
340 PM CST MON NOV 7 2011
...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHERN TILLMAN
COUNTY...
LAT...LON 3474 9898 3505 9862 3482 9861 3461 9885
3462 9890 3471 9898
TIME...MOT...LOC 2140Z 218DEG 31KT 3470 9889
$$
OKC031-075-072215-
/O.CON.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/
COMANCHE OK-KIOWA OK-
340 PM CST MON NOV 7 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHEASTERN KIOWA AND NORTHWESTERN COMANCHE COUNTIES...
AT 340 PM CST...A THUNDERSTORM WITH A HISTORY OF PRODUCING TORNADOES
WAS LOCATED 3 MILES EAST OF MOUNTAIN PARK...MOVING NORTHEAST AT 35
MPH.
* LOCATIONS IN THE WARNING INCLUDE EXTREME SOUTHEASTERN TOM STEED
RESERVOIR...MOUNTAIN PARK AND WESTERN WICHITA MOUNTAINS WILDLIFE
REFUGE.
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 3474 9898 3505 9862 3482 9861 3461 9885
3462 9890 3471 9898
TIME...MOT...LOC 2140Z 218DEG 31KT 3470 9889
$$
WR419
WWUS54 KOUN 072150
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
350 PM CST MON NOV 7 2011
OKC031-075-072215-
/O.CON.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/
COMANCHE OK-KIOWA OK-
350 PM CST MON NOV 7 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHEASTERN KIOWA AND NORTHWESTERN COMANCHE COUNTIES...
AT 350 PM CST...A THUNDERSTORM WITH A HISTORY OF PRODUCING TORNADOES
WAS LOCATED 8 MILES WEST OF WICHITA MOUNTAINS WILDLIFE REFUGE...
MOVING NORTHEAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE NORTHWESTERN WICHITA MOUNTAINS
WILDLIFE REFUGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.
&&
LAT...LON 3504 9863 3503 9861 3482 9861 3465 9885
3477 9895
TIME...MOT...LOC 2150Z 221DEG 32KT 3475 9884
$$
WR802 WWUS54 KOUN 072155 SVSOUN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 355 PM CST MON NOV 7 2011 OKC031-075-072215- /O.CON.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/ COMANCHE OK-KIOWA OK- 355 PM CST MON NOV 7 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR SOUTHEASTERN KIOWA AND NORTHWESTERN COMANCHE COUNTIES... AT 355 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 7 MILES WEST OF WICHITA MOUNTAINS WILDLIFE REFUGE...MOVING NORTHEAST AT 35 MPH. * LOCATIONS IN THE WARNING INCLUDE NORTHWESTERN WICHITA MOUNTAINS WILDLIFE REFUGE. 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 3502 9862 3482 9861 3466 9884 3479 9893 TIME...MOT...LOC 2155Z 221DEG 32KT 3478 9880 $$ WR
887
WWUS54 KOUN 072204
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
404 PM CST MON NOV 7 2011
OKC031-075-072215-
/O.CON.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/
COMANCHE OK-KIOWA OK-
404 PM CST MON NOV 7 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR EASTERN
KIOWA AND NORTHWESTERN COMANCHE COUNTIES...
AT 405 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO OVER
EXTREME NORTHWESTERN WICHITA MOUNTAINS WILDLIFE REFUGE...6 MILES
NORTHWEST OF THE REFUGE HEADQUARTERS...MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IN THE WARNING INCLUDE NORTHWESTERN WICHITA MOUNTAINS
WILDLIFE REFUGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.
&&
LAT...LON 3498 9868 3494 9861 3482 9861 3474 9873
3473 9878 3481 9889
TIME...MOT...LOC 2205Z 218DEG 28KT 3481 9876
$$
WR139
WWUS54 KOUN 072211
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
411 PM CST MON NOV 7 2011
OKC031-075-072215-
/O.CON.KOUN.TO.W.0081.000000T0000Z-111107T2215Z/
COMANCHE OK-KIOWA OK-
411 PM CST MON NOV 7 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR EASTERN
KIOWA AND NORTHWESTERN COMANCHE COUNTIES...
AT 411 PM CST...RADAR AND STORM SPOTTERS OBSERVED A TORNADO OVER
EXTREME NORTHERN WICHITA MOUNTAINS WILDLIFE REFUGE...7 MILES NORTH OF
THE REFUGE HEADQUARTERS...MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IN THE WARNING INCLUDE NORTHERN WICHITA MOUNTAINS
WILDLIFE REFUGE.
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 3498 9868 3494 9861 3482 9861 3477 9872
3479 9876 3485 9880
TIME...MOT...LOC 2211Z 218DEG 28KT 3485 9872
$$
WRThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 9:08 PM CST | Special Weather Statement | OUN | Carter, Murray | 37 min |
| Nov 6, 10:12 PM CST | Special Weather Statement | OUN | Murray | 33 min |
| Nov 6, 10:19 PM CST | Special Weather Statement | OUN | Carter, Jefferson | 56 min |
| Nov 6, 10:55 PM CST | Flash Flood Warning | OUN | Carter, Jefferson | 3 hr |
| Nov 6, 11:47 PM CST | Flash Flood Warning | OUN | Carter, Murray | 3 hr |
| Nov 7, 1:31 AM CST | Flash Flood Warning | OUN | Johnston, Murray, Pontotoc | 4 hr |
| Nov 7, 7:14 AM CST | Special Weather Statement | OUN | Dewey | 46 min |
| Nov 7, 12:25 PM CST | Special Weather Statement | OUN | Beckham | 35 min |
| Nov 7, 1:06 PM CST | Special Weather Statement | OUN | Roger Mills | 9 min |
| Nov 7, 1:16 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Custer, Dewey, Roger Mills | 59 min |
| Nov 7, 1:29 PM CST | Special Weather Statement | OUN | Greer, Harmon | 31 min |
| Nov 7, 1:33 PM CST | Special Weather Statement | OUN | Jackson | 42 min |
| Nov 7, 1:49 PM CST | Severe Thunderstorm Warning | OUN | Greer, Harmon | 56 min |
| Nov 7, 2:02 PM CST | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson, Kiowa, Tillman | 58 min |
| Nov 7, 2:14 PM CST | Tornado Warning | OUN | Greer, Harmon, Kiowa | 46 min |
| Nov 7, 2:17 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Blaine, Custer, Dewey, Roger Mills | 58 min |
| Nov 7, 2:44 PM CST | Tornado Warning | OUN | Jackson, Kiowa, Tillman | 46 min |
| Nov 7, 2:47 PM CST | Special Weather Statement | OUN | Grant, Major | 43 min |
| Nov 7, 3:00 PM CST | Severe Thunderstorm Warning | OUN | Greer, Jackson, Kiowa, Washita | 60 min |
| Nov 7, 3:08 PM CST | Tornado Warning | OUN | Kiowa, Washita | 52 min |
| Nov 7, 3:15 PM CST | Special Weather Statement | OUN | Harmon | 30 min |
| Nov 7, 3:23 PM CST | Special Weather Statement | OUN | Roger Mills | 37 min |
| Nov 7, 3:34 PM CST | Special Weather Statement | OUN | Greer | 26 min |
| Nov 7, 3:42 PM CST | Special Weather Statement | OUN | Kay | 33 min |
| Nov 7, 3:42 PM CST | Tornado Warning | OUN | Kiowa | 33 min |
| Nov 7, 3:47 PM CST | Special Weather Statement | OUN | Major | 28 min |
| Nov 7, 4:05 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Greer, Washita | 40 min |
| Nov 7, 4:06 PM CST | Special Weather Statement | OUN | Caddo | 24 min |
| Nov 7, 4:14 PM CST | Tornado Warning | OUN | Caddo, Comanche, Kiowa | 46 min |
| Nov 7, 4:18 PM CST | Severe Thunderstorm Warning | OUN | Kay | 42 min |
| Nov 7, 4:33 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Custer, Kiowa, Washita | 42 min |
| Nov 7, 4:39 PM CST | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 51 min |
| Nov 7, 4:57 PM CST | Severe Thunderstorm Warning | OUN | Kay | 63 min |
| Nov 7, 4:57 PM CST | Tornado Warning | OUN | Caddo | 38 min |
| Nov 7, 5:16 PM CST | Severe Thunderstorm Warning | OUN | Custer, Kiowa, Washita | 59 min |
| Nov 7, 5:20 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Greer | 40 min |
| Nov 7, 5:37 PM CST | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 53 min |
| Nov 7, 5:48 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Caddo | 27 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.