Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 35, NWS Tulsa, OK

April 14, 2011Franklin County, Sebastian County, Arkansas; LeFlore County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 14, 2011, 10:17 PM CDT for Franklin County, Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 58 min. 7 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, 10:17 PM CDT (03:17 UTC)
Expired: Apr 14, 2011, 11:15 PM CDT
In force: 58 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Franklin County, AR, Sebastian County, AR, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 21 km from the middle of the area, began a volume at 03:17 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, 10:35 PM CDT	HAIL 1	Midland, AR
Apr 14, 10:41 PM CDT	HAIL 0.75	Greenwood, AR
Apr 14, 10:47 PM CDT	TSTM WND GST 60	1 Ne Huntington, AR
Apr 14, 10:48 PM CDT	HAIL 1	1 Ne Huntington, AR
Apr 14, 11:08 PM CDT	TORNADO	2 Sse Charleston, AR	* 2 INJ * A TORNADO ROLLED A TRAILER...SNAPPED OR UPROOTED A NUMBER OF TREES...AND DAMAGED THE ROOFS OF SEVERAL PERMANENT HOMES. THE RATING WILL BE EF-1 WITH MAXIMUM WINDS OF 105 MPH. THE TORNADO LIFTED 1 MILE SOUTHEAST OF BRANCH AT 1116 PM. ORIGINALLY LIS
Apr 14, 11:10 PM CDT	TSTM WND DMG	Branch, AR	MOBILE HOME ROLLED AT HIGHWAYS 22 AND 41
Apr 14, 11:14 PM CDT	TSTM WND DMG	2 S Branch, AR	ABOUT 1 1/2 SOUTH OF HIGHWAY 22 AND 41 INTERSECTION TWO CHICKEN HOUSES DAMAGED. SHEET METAL RIPPED OFF. A MOBILE HOME WAS DAMAGED...ON UCAL ROAD...EITHER ROLLED OR A TREE FELL INTO IT.

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, 9:06 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.3 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2194 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

901 
WFUS54 KTSA 150317
TORTSA
ARC047-131-OKC079-150415-
/O.NEW.KTSA.TO.W.0035.110415T0317Z-110415T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1017 PM CDT THU APR 14 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHERN FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS
  SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 1115 PM CDT

* AT 1012 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 4 MILES SOUTH OF HARTFORD...MOVING NORTHEAST AT
  30 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  POCOLA...HACKETT...MIDLAND...BONANZA...MANSFIELD...HUNTINGTON...
  EXCELSIOR...JENNY LIND...GREENWOOD...BARLING...BURNVILLE...
  WASHBURN...LAVACA...BLOOMER...FORT CHAFFEE...CHARLESTON...BRANCH...
  ALTUS AND DENNING.

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 3539 9379 3531 9381 3531 9391 3522 9392
      3523 9402 3514 9403 3514 9413 3510 9415
      3507 9423 3496 9423 3495 9437 3490 9445
      3482 9482 3531 9462 3531 9451 3533 9450
      3535 9422 3538 9419 3546 9369 3538 9369
TIME...MOT...LOC 0317Z 245DEG 28KT 3498 9436

$$

2 follow-up statements

072 
WWUS54 KTSA 150342
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1042 PM CDT THU APR 14 2011

OKC079-150352-
/O.CAN.KTSA.TO.W.0035.000000T0000Z-110415T0415Z/
LE FLORE OK-
1042 PM CDT THU APR 14 2011

...THE TORNADO WARNING FOR NORTHEASTERN LE FLORE COUNTY IS
CANCELLED...

LAT...LON 3539 9379 3531 9381 3531 9391 3522 9392
      3523 9402 3514 9403 3514 9413 3510 9415
      3507 9423 3496 9423 3493 9444 3533 9443
      3535 9422 3538 9419 3546 9369 3538 9369
TIME...MOT...LOC 0342Z 245DEG 28KT 3537 9404 3498 9425

$$

ARC047-131-150415-
/O.CON.KTSA.TO.W.0035.000000T0000Z-110415T0415Z/
SEBASTIAN AR-FRANKLIN AR-
1042 PM CDT THU APR 14 2011

...TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR SOUTHERN
FRANKLIN AND SEBASTIAN COUNTIES...

AT 1040 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO LOCATED ALONG A LINE
EXTENDING FROM VESTA TO LIBERTY...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CHARLESTON...WASHBURN...FORT CHAFFEE...PETER PENDER...BRANCH...MEG...
ALTUS...DENNING AND ALIX.

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 3539 9379 3531 9381 3531 9391 3522 9392
      3523 9402 3514 9403 3514 9413 3510 9415
      3507 9423 3496 9423 3493 9444 3533 9443
      3535 9422 3538 9419 3546 9369 3538 9369
TIME...MOT...LOC 0342Z 245DEG 28KT 3537 9404 3498 9425

$$

758 
WWUS54 KTSA 150402
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1102 PM CDT THU APR 14 2011

ARC047-131-150415-
/O.CON.KTSA.TO.W.0035.000000T0000Z-110415T0415Z/
SEBASTIAN AR-FRANKLIN AR-
1102 PM CDT THU APR 14 2011

...TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR SOUTHERN
FRANKLIN AND EASTERN SEBASTIAN COUNTIES...

AT 1058 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO LOCATED ALONG A LINE
EXTENDING FROM VESTA TO 6 MILES SOUTH OF BRANCH TO 9 MILES EAST OF
LIBERTY...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PETER
PENDER...MEG...ALTUS...DENNING AND ALIX.

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 3539 9379 3531 9381 3531 9391 3522 9392
      3523 9402 3514 9403 3514 9413 3510 9415
      3507 9423 3496 9423 3495 9431 3535 9427
      3535 9422 3538 9419 3546 9369 3538 9369
TIME...MOT...LOC 0402Z 245DEG 28KT 3540 9399 3523 9392
          3504 9403

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 7:48 PM CDT	Tornado Warning	TSA	Benton	42 min
Apr 14, 9:14 PM CDT	Tornado Warning	TSA	Sebastian	61 min
Apr 14, 9:48 PM CDT	Tornado Warning	TSA	Crawford, Sebastian	42 min
Apr 14, 10:28 PM CDT	Tornado Warning	TSA	Crawford, Franklin, Sebastian	62 min
Apr 14, 10:36 PM CDT	Areal Flood Advisory	TSA	Crawford, Franklin, Sebastian	114 min
Apr 14, 11:12 PM CDT	Tornado Warning	TSA	Franklin, Sebastian	33 min
Apr 14, 11:24 PM CDT	Special Weather Statement	TSA	Madison	36 min
Apr 15, 12:43 AM CDT	Special Weather Statement	TSA	Carroll	32 min
Apr 14, 7:01 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	44 min
Apr 14, 7:09 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes	51 min
Apr 14, 7:36 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	39 min
Apr 14, 7:39 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Muskogee, Rogers, Wagoner	51 min
Apr 14, 7:47 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	43 min
Apr 14, 7:54 PM CDT	Tornado Warning	TSA	Delaware	36 min
Apr 14, 7:55 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg, Pushmataha	65 min
Apr 14, 8:15 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	45 min
Apr 14, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha	55 min
Apr 14, 8:20 PM CDT	Tornado Warning	TSA	Cherokee, Mayes, Wagoner	40 min
Apr 14, 8:27 PM CDT	Severe Thunderstorm Warning	TSA	Creek	63 min
Apr 14, 8:27 PM CDT	Tornado Warning	TSA	Haskell, Latimer, LeFlore	48 min
Apr 14, 8:29 PM CDT	Special Weather Statement	TSA	Tulsa	31 min
Apr 14, 8:29 PM CDT	Tornado Warning	TSA	Latimer, LeFlore	46 min
Apr 14, 8:33 PM CDT	Tornado Warning	TSA	Haskell, Latimer, LeFlore	42 min
Apr 14, 8:38 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg	28 min
Apr 14, 8:40 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	35 min
Apr 14, 9:00 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg, Pushmataha	30 min
Apr 14, 9:06 PM CDT	Special Weather Statement	TSA	Okmulgee	24 min
Apr 14, 9:21 PM CDT	Tornado Warning	TSA	Latimer	39 min
Apr 14, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Muskogee, Okmulgee, Tulsa, Wagoner	64 min
Apr 14, 9:26 PM CDT	Tornado Warning	TSA	Latimer, LeFlore, Pushmataha	64 min
Apr 14, 9:41 PM CDT	Special Weather Statement	TSA	Pittsburg	34 min
Apr 14, 9:58 PM CDT	Tornado Warning	TSA	Wagoner	32 min
Apr 14, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	30 min
Apr 14, 10:11 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	37 min
Apr 14, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Rogers, Wagoner	46 min
Apr 14, 10:26 PM CDT	Tornado Warning	TSA	Choctaw, Pushmataha	34 min
Apr 14, 10:30 PM CDT	Tornado Warning	TSA	LeFlore	45 min
Apr 14, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	46 min
Apr 14, 10:50 PM CDT	Special Weather Statement	TSA	Delaware	40 min
Apr 14, 10:56 PM CDT	Special Weather Statement	TSA	Ottawa	19 min
Apr 15, 4:12 AM CDT	Wind Advisory	TSA	Choctaw, Creek, Haskell, Latimer, McIntosh, Muskogee and 10 more	21 hr

Nearby

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