Alert archive / Oklahoma / Tornado Warnings in 2013
Tornado Warning 25, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at May 20, 2013, 8:52 PM CDT for Haskell County, LeFlore County, Sequoyah County, Oklahoma. It was in force for 38 min. 1 report 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
- May 20, 2013, 8:52 PM CDT (01:52 UTC)
- Expired
- May 20, 2013, 9:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Haskell County, OK, LeFlore County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 25 km from the middle of the area, began a volume at 01:55 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 |
|---|---|---|---|
| May 20, 9:08 PM CDT | TSTM WND DMG | Arkoma, OK | 12 INCH TREE LIMBS DOWNED. |
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 |
|---|---|---|---|
| May 20, 1:10 PM CDT | Tornado Watch | SPC | 9 hr |
| May 20, 7:39 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.9 hours before the alert went out and 185 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
- 2135 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
490
WFUS54 KTSA 210152
TORTSA
OKC061-079-135-210230-
/O.NEW.KTSA.TO.W.0025.130521T0152Z-130521T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
852 PM CDT MON MAY 20 2013
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA...
NORTHEASTERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA...
NORTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA...
* UNTIL 930 PM CDT
* AT 850 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST
OF SALLISAW TO 4 MILES SOUTH OF GANS TO SPIRO...MOVING NORTHEAST AT
65 MPH. TORNADOES MAY FORM RAPIDLY ANYWHERE IN THE LINE OF STORMS!
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
GANS...SALLISAW...MULDROW...ROLAND...ARKOMA...MOFFETT...BRUSHY AND
SHORT.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 303 AND 328.
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 3535 9443 3511 9465 3528 9475 3521 9501
3564 9477 3564 9447 3539 9443
TIME...MOT...LOC 0152Z 222DEG 55KT 3540 9485 3535 9467
3526 9461
$$4 follow-up statements
074
WWUS54 KTSA 210208
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
908 PM CDT MON MAY 20 2013
OKC061-079-135-210230-
/O.CON.KTSA.TO.W.0025.000000T0000Z-130521T0230Z/
HASKELL OK-LE FLORE OK-SEQUOYAH OK-
908 PM CDT MON MAY 20 2013
...TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR EASTERN
SEQUOYAH...NORTHEASTERN LE FLORE AND EASTERN HASKELL COUNTIES...
AT 904 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM GANS TO ROLAND TO
BRADEN...MOVING NORTHEAST AT 55 MPH. TORNADOES MAY FORM RAPIDLY
ANYWHERE IN THE LINE OF STORMS!
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BRUSHY AND
SHORT.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 306 AND 328.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3511 9465 3528 9475 3526 9490 3564 9473
3564 9447 3535 9443
TIME...MOT...LOC 0208Z 224DEG 46KT 3549 9466 3546 9449
3533 9439
$$721
WWUS54 KTSA 210214
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
914 PM CDT MON MAY 20 2013
OKC061-210225-
/O.CAN.KTSA.TO.W.0025.000000T0000Z-130521T0230Z/
HASKELL OK-
914 PM CDT MON MAY 20 2013
...THE TORNADO WARNING FOR EASTERN HASKELL COUNTY IS CANCELLED...
LAT...LON 3511 9465 3528 9475 3532 9479 3564 9466
3564 9447 3535 9443
TIME...MOT...LOC 0215Z 224DEG 46KT 3548 9461 3552 9441
3539 9431
$$
OKC079-135-210230-
/O.CON.KTSA.TO.W.0025.000000T0000Z-130521T0230Z/
LE FLORE OK-SEQUOYAH OK-
914 PM CDT MON MAY 20 2013
...TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR EASTERN
SEQUOYAH AND NORTHEASTERN LE FLORE COUNTIES...
AT 913 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM MULDROW TO SHORT TO
6 MILES EAST OF ARKOMA...MOVING NORTHEAST AT 55 MPH. TORNADOES MAY
FORM RAPIDLY ANYWHERE IN THE LINE OF STORMS!
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SHORT.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 311 AND 328.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!
&&
LAT...LON 3511 9465 3528 9475 3532 9479 3564 9466
3564 9447 3535 9443
TIME...MOT...LOC 0215Z 224DEG 46KT 3548 9461 3552 9441
3539 9431
$$570
WWUS54 KTSA 210226
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
926 PM CDT MON MAY 20 2013
OKC079-135-210230-
/O.CON.KTSA.TO.W.0025.000000T0000Z-130521T0230Z/
LE FLORE OK-SEQUOYAH OK-
926 PM CDT MON MAY 20 2013
...TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR EASTERN
SEQUOYAH AND NORTHEASTERN LE FLORE COUNTIES...
AT 922 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM ROLAND TO 10 MILES
SOUTHEAST OF SHORT TO 12 MILES EAST OF MOFFETT...MOVING NORTHEAST AT
50 MPH. TORNADOES MAY FORM RAPIDLY ANYWHERE IN THE LINE OF STORMS!
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SHORT.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 315 AND 328.
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 3527 9450 3525 9451 3523 9454 3532 9468
3541 9468 3562 9456 3564 9447 3535 9443
TIME...MOT...LOC 0226Z 231DEG 41KT 3548 9449 3554 9429
3544 9418
$$551
WWUS54 KTSA 210229
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
929 PM CDT MON MAY 20 2013
OKC079-135-210239-
/O.EXP.KTSA.TO.W.0025.000000T0000Z-130521T0230Z/
LE FLORE OK-SEQUOYAH OK-
929 PM CDT MON MAY 20 2013
...THE TORNADO WARNING FOR EASTERN SEQUOYAH AND NORTHEASTERN LE FLORE
COUNTIES EXPIRES AT 930 PM CDT...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM.
LAT...LON 3527 9450 3525 9451 3523 9454 3532 9468
3541 9468 3562 9456 3564 9447 3535 9443
TIME...MOT...LOC 0229Z 231DEG 41KT 3550 9446 3556 9426
3546 9415
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:04 PM CDT | Tornado Warning | TSA | Latimer, Pittsburg, Pushmataha | 41 min |
| May 20, 7:23 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Haskell, LeFlore, Sequoyah | 67 min |
| May 20, 7:31 PM CDT | Tornado Warning | TSA | Sequoyah | 44 min |
| May 20, 7:50 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah | 70 min |
| May 20, 7:57 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 63 min |
| May 20, 8:02 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 58 min |
| May 20, 8:07 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Latimer, Pittsburg, Pushmataha | 68 min |
| May 20, 8:18 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 57 min |
| May 20, 8:21 PM CDT | High Wind Warning | TSA | McIntosh, Muskogee, Pittsburg | 4 hr |
| May 20, 8:30 PM CDT | Tornado Warning | TSA | Haskell, Latimer, LeFlore, Sequoyah | 60 min |
| May 20, 8:34 PM CDT | River Flood Warning | TSA | Ottawa | 61 hr |
| May 20, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Latimer, LeFlore, Pushmataha | 63 min |
| May 20, 10:13 PM CDT | Tornado Warning | TSA | Choctaw, Pushmataha | 47 min |
| May 20, 10:25 PM CDT | Special Weather Statement | TSA | Rogers | 35 min |
| May 20, 10:55 PM CDT | Special Weather Statement | TSA | Rogers | 35 min |
| May 20, 11:12 PM CDT | Areal Flood Advisory | TSA | Rogers, Tulsa | 2 hr |
| May 20, 11:15 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 45 min |
| May 20, 11:36 PM CDT | Special Weather Statement | TSA | Pittsburg | 24 min |
| May 20, 11:50 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 25 min |
| May 20, 11:56 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 34 min |
| May 21, 12:14 AM CDT | Special Weather Statement | TSA | Pittsburg | 31 min |
| May 21, 12:45 AM CDT | Special Weather Statement | TSA | Pittsburg | 30 min |
| May 21, 1:12 AM CDT | Special Weather Statement | TSA | Pittsburg | 33 min |
| May 21, 1:23 AM CDT | Special Weather Statement | TSA | Pittsburg | 37 min |
| May 21, 1:32 AM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 43 min |
| May 21, 1:35 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Pittsburg | 40 min |
| May 21, 2:11 AM CDT | Areal Flood Advisory | TSA | Pittsburg | 2 hr |
| May 21, 2:17 AM CDT | Special Weather Statement | TSA | LeFlore | 28 min |
| May 21, 2:23 AM CDT | Special Weather Statement | TSA | Latimer, LeFlore | 52 min |
| May 21, 2:45 AM CDT | Special Weather Statement | TSA | LeFlore | 45 min |
| May 21, 6:44 AM CDT | Flash Flood Warning | TSA | Haskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg and 1 more | 6 hr |
| May 21, 8:55 AM CDT | Flash Flood Warning | TSA | Latimer, LeFlore, Pittsburg, Pushmataha | 4 hr |
| May 21, 9:30 AM CDT | Special Weather Statement | TSA | Mayes, Muskogee, Rogers, Wagoner | 60 min |
| May 21, 10:32 AM CDT | Special Weather Statement | TSA | Adair, Cherokee, Delaware, Haskell, Sequoyah | 58 min |
| May 21, 10:33 AM CDT | Special Weather Statement | TSA | Adair, Cherokee, Delaware, Haskell, Sequoyah | 57 min |
| May 21, 12:15 PM CDT | Flash Flood Warning | TSA | Haskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg and 1 more | 6 hr |
| May 21, 12:19 PM CDT | Flash Flood Warning | TSA | Latimer, LeFlore, Pittsburg, Pushmataha | 6 hr |
| May 21, 12:57 PM CDT | Special Weather Statement | TSA | Creek, McIntosh, Okfuskee, Okmulgee | 48 min |
| May 21, 1:22 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee, Pittsburg | 38 min |
| May 21, 1:58 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Haskell, Latimer, McIntosh, Pittsburg, Pushmataha | 62 min |
| May 21, 2:01 PM CDT | River Flood Warning | TSA | Pushmataha | 40 hr |
| May 21, 2:30 PM CDT | River Flood Warning | TSA | LeFlore | 43 hr |
| May 21, 2:58 PM CDT | Special Weather Statement | TSA | Choctaw, Haskell, Latimer, LeFlore, Pushmataha | 62 min |
| May 21, 3:20 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 25 min |
| May 21, 5:51 PM CDT | Areal Flood Warning | TSA | Haskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg and 2 more | 24 hr |
Nearby
Tornado Warnings in Oklahoma, 2013Every tornado warning in 2013Tornadoes in 2013
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.