Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 18, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 14, 2011, 6:59 PM CDT for Latimer County, Pittsburg County, Oklahoma. It was in force for 61 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
- Apr 14, 2011, 6:59 PM CDT (23:59 UTC)
- Expired
- Apr 14, 2011, 8:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Latimer County, OK, Pittsburg County, OK
The radar
The Norman radar (KTLX), 143 km from the middle of the area, began a volume at 00:00 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 |
|---|---|---|---|
| Apr 14, 7:01 PM CDT | HAIL 1.5 | 2 Ne Savanna, OK | REPORTED AT THE TOLL GATE |
| Apr 14, 7:14 PM CDT | TORNADO | 6 S Bache, OK | A TORNADO DAMAGED BARNS AND SNAPPED OR UPROOTED A NUMBER OF TREES. RATING WILL BE EF-1 WITH ESTIMATED MAXIMUM WIND SPEED ABOUT 105 MPH. THE TORNADO LIFTED ABOUT 2 MILES SOUTHEAST OF BACHE AT 725 PM. |
| Apr 14, 7:25 PM CDT | HAIL 1 | Krebs, 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 2:28 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 12.0 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
- 121 J/kg
- Mixed-layer CIN
- -508 J/kg
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 564 m²/s²
- 0-3 km storm-relative helicity
- 551 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
974
WFUS54 KTSA 142359
TORTSA
OKC077-121-150100-
/O.NEW.KTSA.TO.W.0018.110414T2359Z-110415T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
659 PM CDT THU APR 14 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
LATIMER COUNTY IN SOUTHEAST OKLAHOMA
SOUTHERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 800 PM CDT
* AT 655 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES NORTH OF BLANCO...MOVING EAST AT 30
MPH. ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODCING A TORNADO WAS
LOCATED 8 MILES SOUTH OF ASHLAND...ALSO MOVING EAST AT 30 MPH.
THESE ARE DANGEROUS STORMS WITH STRONG LOW LEVEL ROTATION...A
TORNADO IS OCCURRING OR COULD FORM AT ANY TIME.
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
MCALESTER...KREBS...ALDERSON...HARTSHORNE...HIGGINS...YANUSH...
DAMON AND WILBURTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3486 9609 3489 9609 3506 9515 3473 9507
3465 9589 3468 9589 3468 9608 3469 9610
3485 9610
TIME...MOT...LOC 2357Z 258DEG 26KT 3480 9577
$$3 follow-up statements
349
WWUS54 KTSA 150012 RRA
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
712 PM CDT THU APR 14 2011
OKC077-121-150100-
/O.CON.KTSA.TO.W.0018.000000T0000Z-110415T0100Z/
PITTSBURG OK-LATIMER OK-
712 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR LATIMER AND
CENTRAL PITTSBURG COUNTIES...
AT 709 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR
BLANCO...MOVING EAST AT 30 MPH. ANOTHER SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO WAS LOCATED 6 MILES NORTHWEST OF KIOWA...ALSO
MOVING NORTHEAST AT 30 MPH.
THESE ARE DANGEROUS STORMS WITH STRONG LOW LEVEL ROTATION...A TORNADO
IS OCCURRING OR COULD FORM AT ANY TIME.
SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...KREBS...
ALDERSON...BACHE...DOW...HAILEYVILLE...HARTSHORNE...GOWEN...
HIGGINS...YANUSH...DAMON...WILBURTON AND PANOLA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THESE STORMS...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3486 9609 3489 9609 3506 9515 3473 9507
3465 9589 3468 9589 3468 9608 3469 9610
3485 9610
TIME...MOT...LOC 0011Z 258DEG 26KT 3480 9570
$$124
WWUS54 KTSA 150023
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
723 PM CDT THU APR 14 2011
OKC077-121-150100-
/O.CON.KTSA.TO.W.0018.000000T0000Z-110415T0100Z/
PITTSBURG OK-LATIMER OK-
723 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR LATIMER AND
CENTRAL PITTSBURG COUNTIES...
AT 718 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR BACHE...
MOVING EAST AT 30 MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW
LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD FORM AT ANY TIME.
OTHER SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES WERE
LOCATED JUST NORTH OF KIOWA...AND 6 MILES WEST OF ASHLAND...AND WERE
ALSO MOVING EAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...DOW...
HAILEYVILLE...HARTSHORNE...GOWEN...HIGGINS...YANUSH...DAMON...
WILBURTON AND PANOLA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THE TORNADO NEAR BACHE. TAKE COVER NOW! IF YOU
WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE
PLACE.
&&
LAT...LON 3486 9609 3489 9609 3506 9515 3473 9507
3465 9589 3468 9589 3468 9608 3469 9610
3485 9610
TIME...MOT...LOC 0022Z 248DEG 28KT 3486 9562
$$269 WWUS54 KTSA 150050 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 750 PM CDT THU APR 14 2011 OKC077-121-150100- /O.CON.KTSA.TO.W.0018.000000T0000Z-110415T0100Z/ PITTSBURG OK-LATIMER OK- 750 PM CDT THU APR 14 2011 ...TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHERN LATIMER AND CENTRAL PITTSBURG COUNTIES... AT 746 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR GOWEN... MOVING NORTHEAST AT 30 MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD FORM AT ANY TIME. ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED JUST SOUTH OF ALDERSON...ALSO MOVING NORTHEAST AT 30 MPH. SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE... DAMON...WILBURTON AND PANOLA. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE NEAR THE PATH OF THESE STORMS...TAKE COVER NOW! IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS! && LAT...LON 3481 9599 3490 9602 3506 9515 3480 9509 TIME...MOT...LOC 0050Z 243DEG 25KT 3495 9542 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 3:12 PM CDT | Special Weather Statement | TSA | Pawnee | 33 min |
| Apr 14, 3:21 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 54 min |
| Apr 14, 3:37 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 53 min |
| Apr 14, 4:09 PM CDT | Tornado Warning | TSA | Osage | 36 min |
| Apr 14, 4:13 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 62 min |
| Apr 14, 4:27 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 48 min |
| Apr 14, 4:27 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 33 min |
| Apr 14, 4:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 38 min |
| Apr 14, 4:41 PM CDT | Tornado Warning | TSA | Osage | 34 min |
| Apr 14, 4:48 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 57 min |
| Apr 14, 4:54 PM CDT | Tornado Warning | TSA | Osage | 36 min |
| Apr 14, 4:57 PM CDT | Tornado Warning | TSA | Creek, Okmulgee | 33 min |
| Apr 14, 5:08 PM CDT | Tornado Warning | TSA | Osage | 23 min |
| Apr 14, 5:16 PM CDT | Tornado Warning | TSA | Osage, Washington | 44 min |
| Apr 14, 5:23 PM CDT | Tornado Warning | TSA | Creek, Okfuskee | 52 min |
| Apr 14, 5:29 PM CDT | Tornado Warning | TSA | Creek, Tulsa | 46 min |
| Apr 14, 5:32 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee, Tulsa, Washington | 13 min |
| Apr 14, 5:46 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 29 min |
| Apr 14, 5:51 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 54 min |
| Apr 14, 5:51 PM CDT | Tornado Warning | TSA | Nowata, Washington | 39 min |
| Apr 14, 6:09 PM CDT | Tornado Warning | TSA | Rogers, Tulsa, Wagoner | 51 min |
| Apr 14, 6:09 PM CDT | Tornado Warning | TSA | Creek, Okfuskee, Okmulgee | 51 min |
| Apr 14, 6:12 PM CDT | Tornado Warning | TSA | Okfuskee, Okmulgee | 34 min |
| Apr 14, 6:17 PM CDT | Tornado Warning | TSA | Pittsburg | 43 min |
| Apr 14, 6:23 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 52 min |
| Apr 14, 6:41 PM CDT | Special Weather Statement | TSA | LeFlore | 49 min |
| Apr 14, 6:48 PM CDT | Special Weather Statement | TSA | Rogers | 42 min |
| Apr 14, 6:55 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Nowata, Rogers | 50 min |
| Apr 14, 6:57 PM CDT | Special Weather Statement | TSA | Craig | 48 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.