Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 12, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 14, 2011, 5:29 PM CDT for Creek County, Tulsa 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
- Apr 14, 2011, 5:29 PM CDT (22:29 UTC)
- Expired
- Apr 14, 2011, 6:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Creek County, OK, Tulsa County, OK
The radar
The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 22:29 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, 5:40 PM CDT | HAIL 1.25 | 4 W Sapulpa, OK | |
| Apr 14, 5:41 PM CDT | HAIL 1.5 | 1 N Sapulpa, OK | |
| Apr 14, 5:45 PM CDT | TSTM WND DMG | Sapulpa, OK | LARGE TREE DOWN ONTO POWER LINES. |
| Apr 14, 5:45 PM CDT | NON-TSTM WND DMG | Sapulpa, OK | LARGE TREE DOWN ONTO POWER LINES. |
| Apr 14, 5:47 PM CDT | TSTM WND DMG | 2 S Sapulpa, OK | SEVERAL TREES DOWNED NEAR LONE STAR SCHOOL ON HICKORY ROAD |
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, 10.5 hours before the alert went out and 139 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.
419
WFUS54 KTSA 142229
TORTSA
OKC037-143-142315-
/O.NEW.KTSA.TO.W.0012.110414T2229Z-110414T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
529 PM CDT THU APR 14 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
SOUTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 615 PM CDT
* AT 529 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES WEST OF KELLYVILLE...MOVING EAST AT 30
MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
KELLYVILLE...SAPULPA...MOUNDS...KIEFER...GLENPOOL...JENKS...BIXBY
AND TULSA.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 195 AND 231.
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 3601 9638 3621 9582 3587 9582 3586 9597
3586 9618 3583 9619 3582 9634
TIME...MOT...LOC 2230Z 253DEG 28KT 3594 9625
$$4 follow-up statements
857
WWUS54 KTSA 142240
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
540 PM CDT THU APR 14 2011
OKC037-143-142315-
/O.CON.KTSA.TO.W.0012.000000T0000Z-110414T2315Z/
CREEK OK-TULSA OK-
540 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTHERN
TULSA AND EASTERN CREEK COUNTIES...
AT 537 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR
KELLYVILLE...MOVING EAST AT 30 MPH. THIS IS A DANGEROUS STORM WITH
STRONG LOW LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD FORM AT
ANY TIME.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SAPULPA...
KIEFER...GLENPOOL...JENKS...BIXBY AND TULSA.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 200 AND 232.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3621 9583 3620 9582 3591 9582 3587 9627
3604 9630
TIME...MOT...LOC 2240Z 253DEG 28KT 3596 9618
$$391
WWUS54 KTSA 142253
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
553 PM CDT THU APR 14 2011
OKC037-143-142315-
/O.CON.KTSA.TO.W.0012.000000T0000Z-110414T2315Z/
CREEK OK-TULSA OK-
553 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTHERN
TULSA AND EASTERN CREEK COUNTIES...
AT 549 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR SAPULPA...
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.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
GLENPOOL...JENKS...TULSA AND BIXBY.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 207 AND 232.
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 3608 9619 3621 9583 3619 9582 3594 9582
3591 9619
TIME...MOT...LOC 2253Z 249DEG 28KT 3601 9607
$$767
WWUS54 KTSA 142302
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
602 PM CDT THU APR 14 2011
OKC037-143-142315-
/O.CON.KTSA.TO.W.0012.000000T0000Z-110414T2315Z/
CREEK OK-TULSA OK-
602 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTHERN
TULSA AND EASTERN CREEK COUNTIES...
AT 557 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR JENKS...
MOVING EAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...JENKS AND
TULSA.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 211 AND 232.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3621 9583 3619 9582 3595 9582 3595 9612
3610 9612
TIME...MOT...LOC 2302Z 249DEG 28KT 3603 9599
$$226
WWUS54 KTSA 142307
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
607 PM CDT THU APR 14 2011
OKC037-142318-
/O.CAN.KTSA.TO.W.0012.000000T0000Z-110414T2315Z/
CREEK OK-
607 PM CDT THU APR 14 2011
...THE TORNADO WARNING FOR EASTERN CREEK COUNTY IS CANCELLED...
LAT...LON 3621 9583 3619 9582 3595 9582 3595 9602
3613 9604
TIME...MOT...LOC 2308Z 249DEG 28KT 3605 9596
$$
OKC143-142315-
/O.CON.KTSA.TO.W.0012.000000T0000Z-110414T2315Z/
TULSA OK-
607 PM CDT THU APR 14 2011
...TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
TULSA COUNTY...
AT 606 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR TULSA...
MOVING EAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TULSA.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 218 AND 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3621 9583 3619 9582 3595 9582 3595 9602
3613 9604
TIME...MOT...LOC 2308Z 249DEG 28KT 3605 9596
$$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, 5:32 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 |
| Apr 14, 6:59 PM CDT | Tornado Warning | TSA | Latimer, Pittsburg | 61 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.