Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 281, NWS Tulsa, OK

October 13, 20126 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 13, 2012, 9:03 PM CDT for 6 counties in Oklahoma. It was in force for 42 min. 4 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: Oct 13, 2012, 9:03 PM CDT (02:03 UTC)
Expired: Oct 13, 2012, 9:45 PM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Pittsburg County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 130 km from the middle of the area, began a volume at 02:07 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
Oct 13, 9:05 PM CDT	HAIL 1	Eubanks, OK
Oct 13, 9:32 PM CDT	TSTM WND GST 65	1 E Talihina, OK	SPOTTER JUST EAST OF TALIHINA REPORTING SUSTAINED WINDS OF 50 MPH WITH GUSTS OVER 60 MPH.
Oct 13, 9:50 PM CDT	TSTM WND DMG	8 Se Nashoba, OK	SEVERAL TREES DOWN
Oct 13, 9:50 PM CDT	TSTM WND DMG	9 Se Nashoba, OK	SEVERAL LARGE TREES DOWN

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
Oct 13, 5:57 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.1 hours before the alert went out and 207 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: 2092 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 4.7
Supercell composite: 16.9

Open this sounding in Storm Lab

The text

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

475 
WUUS54 KTSA 140203
SVRTSA
OKC023-061-077-079-121-127-140245-
/O.NEW.KTSA.SV.W.0281.121014T0203Z-121014T0245Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  WESTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA
  PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 945 PM CDT

* AT 902 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 8 MILES SOUTHWEST OF ROBBERS CAVE STATE PARK TO
  YANUSH TO 3 MILES WEST OF KENT...MOVING EAST AT 55 MPH.

  STORM HAZARDS INCLUDE...
  WIND GUSTS TO 70 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  CLAYTON...DAMON...WILBURTON...ROBBERS CAVE STATE PARK...SNOW...
  TUSKAHOMA...CLAYTON LAKE STATE PARK...RATTAN...KIAMICHI...BENGAL...
  OLETA...NASHOBA...RED OAK...ALBION...TALIHINA...CLOUDY...LEQUIRE...
  TALIMENA STATE PARK...FANSHAWE...LAKE WISTER STATE PARK...
  WHITESBORO...WISTER...BOKOSHE...HOWE AND MUSE.

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.

TORNADOES CAN DEVELOP SUDDENLY IN THESE CONDITIONS. TAKE COVER ON THE
LOWEST FLOOR IN AN INTERIOR ROOM AWAY FROM WINDOWS AND DOORS. PREPARE
TO TAKE TORNADO PRECAUTIONS ON SHORT NOTICE.

&&

LAT...LON 3408 9588 3416 9582 3417 9578 3422 9579
      3470 9547 3498 9558 3520 9477 3499 9461
      3450 9481 3450 9504 3424 9504 3423 9514
      3412 9515
TIME...MOT...LOC 0203Z 248DEG 52KT 3494 9545 3475 9531
          3412 9566

$$

1 follow-up statement

854 
WWUS54 KTSA 140232
SVSTSA

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

OKC023-121-140242-
/O.CAN.KTSA.SV.W.0281.000000T0000Z-121014T0245Z/
CHOCTAW OK-PITTSBURG OK-
932 PM CDT SAT OCT 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PITTSBURG AND
NORTHERN CHOCTAW COUNTIES IS CANCELLED...

LAT...LON 3416 9515 3417 9578 3443 9556 3479 9526
      3507 9526 3520 9477 3499 9461 3450 9481
      3450 9504 3424 9504 3423 9514
TIME...MOT...LOC 0232Z 248DEG 52KT 3510 9502 3477 9493
          3426 9529

$$

OKC061-077-079-127-140245-
/O.CON.KTSA.SV.W.0281.000000T0000Z-121014T0245Z/
HASKELL OK-LE FLORE OK-PUSHMATAHA OK-LATIMER OK-
932 PM CDT SAT OCT 13 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
EASTERN LATIMER...PUSHMATAHA...WESTERN LE FLORE AND SOUTHERN HASKELL
COUNTIES...

AT 930 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LEQUIRE TO TALIMENA STATE PARK TO OLETA...MOVING EAST
AT 60 MPH.

STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
FANSHAWE...SUMMERFIELD...WHITESBORO...MILTON...LAKE WISTER STATE
PARK...HONOBIA...BOKOSHE...WISTER...HOWE AND MUSE.

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 3416 9515 3417 9578 3443 9556 3479 9526
      3507 9526 3520 9477 3499 9461 3450 9481
      3450 9504 3424 9504 3423 9514
TIME...MOT...LOC 0232Z 248DEG 52KT 3510 9502 3477 9493
          3426 9529

$$

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, 9:08 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, 10:19 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	56 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.