Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 290, NWS Tulsa, OK

October 13, 2012Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 13, 2012, 10:19 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 13, 2012, 10:19 PM CDT (03:19 UTC)
Expired: Oct 13, 2012, 11:15 PM CDT
In force: 56 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 176 km from the middle of the area, began a volume at 03:21 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 13, 5:57 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.3 hours before the alert went out and 214 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: 1344 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 17.2

Open this sounding in Storm Lab

The text

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

288 
WUUS54 KTSA 140319
SVRTSA
OKC023-127-140415-
/O.NEW.KTSA.SV.W.0290.121014T0319Z-121014T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1019 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1115 PM CDT

* AT 1016 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 16 MILES NORTH OF OLETA TO 25 MILES SOUTHWEST OF
  SOPER...MOVING EAST AT 60 MPH.

  STORM HAZARDS INCLUDE...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  SOPER...RATTAN...MESSER...OLETA...GOODLAND...HUGO...HUGO LAKE STATE
  PARK...SAWYER...RAYMOND GARY STATE PARK AND FORT TOWSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.

PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3387 9551 3389 9551 3388 9555 3392 9556
      3393 9559 3388 9569 3389 9575 3386 9577
      3386 9581 3394 9594 3437 9507 3436 9504
      3424 9504 3423 9514 3394 9515 3395 9522
      3388 9526 3386 9539
TIME...MOT...LOC 0319Z 250DEG 50KT 3444 9529 3381 9597

$$

2 follow-up statements

377 
WWUS54 KTSA 140337
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1037 PM CDT SAT OCT 13 2012

OKC023-127-140415-
/O.CON.KTSA.SV.W.0290.000000T0000Z-121014T0415Z/
CHOCTAW OK-PUSHMATAHA OK-
1037 PM CDT SAT OCT 13 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR SOUTHERN PUSHMATAHA AND CHOCTAW COUNTIES...

AT 1036 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM OLETA TO 6 MILES SOUTHWEST OF GAY...MOVING EAST AT 55
MPH.

STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...OLETA...
MESSER...GAY...APPLE...GOODLAND...HUGO...CORINNE...ORD...GRANT...HUGO
LAKE STATE PARK...SOBOL...FALLON...SAWYER...FROGVILLE...HUSKEY...
RAYMOND GARY STATE PARK...FORT TOWSON AND SWINK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.

PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3387 9551 3389 9551 3388 9555 3392 9556
      3393 9559 3388 9569 3389 9575 3386 9577
      3386 9581 3394 9594 3437 9507 3436 9504
      3424 9504 3423 9514 3394 9515 3395 9522
      3388 9526 3386 9539
TIME...MOT...LOC 0337Z 250DEG 50KT 3423 9533 3391 9569

$$

675 
WWUS54 KTSA 140414
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1114 PM CDT SAT OCT 13 2012

OKC023-127-140424-
/O.EXP.KTSA.SV.W.0290.000000T0000Z-121014T0415Z/
CHOCTAW OK-PUSHMATAHA OK-
1114 PM CDT SAT OCT 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PUSHMATAHA AND
CHOCTAW COUNTIES EXPIRES AT 1115 PM CDT...

THE SEVERE PORTION OF THE LINE OF THUNDERSTORMS HAS MOVED OUT OF THE 
WARNED AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE 
ALLOWED TO EXPIRE.

GUSTY WINDS AND HEAVY RAIN WILL STILL BE POSSIBLE AS THIS LINE OF 
STORMS MOVES EASTWARD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.

LAT...LON 3387 9551 3389 9551 3388 9555 3392 9556
      3393 9559 3388 9569 3389 9575 3386 9577
      3386 9581 3394 9594 3437 9507 3436 9504
      3424 9504 3423 9514 3394 9515 3395 9522
      3388 9526 3386 9539
TIME...MOT...LOC 0414Z 250DEG 50KT 3426 9494 3393 9524

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:07 PM CDT	Special Weather Statement	TSA	Rogers, Tulsa	23 min
Oct 13, 7:13 PM CDT	Special Weather Statement	TSA	Mayes	32 min
Oct 13, 7:20 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	55 min
Oct 13, 7:31 PM CDT	Special Weather Statement	TSA	Ottawa	44 min
Oct 13, 7:47 PM CDT	Special Weather Statement	TSA	Wagoner	28 min
Oct 13, 8:04 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah	56 min
Oct 13, 8:20 PM CDT	Special Weather Statement	TSA	Cherokee	25 min
Oct 13, 8:27 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	63 min
Oct 13, 8:29 PM CDT	Special Weather Statement	TSA	Tulsa	31 min
Oct 13, 8:37 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Haskell, Latimer, Muskogee and 2 more	53 min
Oct 13, 8:52 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	38 min
Oct 13, 9:01 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Sequoyah	59 min
Oct 13, 9:03 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	42 min
Oct 13, 9:08 PM CDT	Severe Thunderstorm Warning	TSA	Adair	67 min
Oct 13, 9:35 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	40 min
Oct 13, 9:43 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	62 min
Oct 13, 9:47 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, LeFlore, Pushmataha	43 min
Oct 13, 9:54 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	32 min
Oct 13, 9:56 PM CDT	Special Weather Statement	TSA	Ottawa	34 min
Oct 13, 10:28 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, LeFlore, Pushmataha	45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.