Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 264, NWS Tulsa, OK

September 26, 2012McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 26, 2012, 3:45 PM CDT for McIntosh County, Pittsburg County, Oklahoma. It was in force for 60 min. 3 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
Sep 26, 2012, 3:45 PM CDT (20:45 UTC)
Expired
Sep 26, 2012, 4:45 PM CDT
In force
60 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties McIntosh County, OK, Pittsburg County, OK

What was reported inside it

TimeReportWhereRemark
Sep 26, 4:05 PM CDTHAIL 1Crowder, OK
Sep 26, 4:06 PM CDTTSTM WND GST 80Crowder, OKSTORM CHASER ESTIMATED 80 MPH WINDS. RELYAED BY MEDIA.
Sep 26, 4:06 PM CDTHAIL 1.75Crowder, OKSTORM CHASER REPORTED QUARTER SIZE HAIL WITH OCCASIONAL GOLF BALL HAIL. RELAYED BY MEDIA.

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.

IssuedProductOfficeLasted
Sep 26, 2:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.8 hours before the alert went out and 160 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2012-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2012-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
51 J/kg
Mixed-layer CIN
-540 J/kg
Mixed-layer LCL
1962 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
367 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.

682 
WUUS54 KTSA 262045
SVRTSA
OKC091-121-262145-
/O.NEW.KTSA.SV.W.0264.120926T2045Z-120926T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
345 PM CDT WED SEP 26 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 445 PM CDT

* AT 344 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR INDIANOLA...
  MOVING SOUTHEAST AT 15 MPH.

  STORM HAZARDS INCLUDE...
  HALF DOLLAR SIZE HAIL...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  INDIANOLA...CANADIAN...EUFAULA...CROWDER...ARROWHEAD STATE PARK AND
  BLOCKER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3532 9586 3528 9545 3503 9549 3502 9551
      3494 9550 3486 9552 3509 9595
TIME...MOT...LOC 2046Z 295DEG 15KT 3517 9578

$$
4 follow-up statements
344 
WWUS54 KTSA 262058
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
358 PM CDT WED SEP 26 2012

OKC091-121-262145-
/O.CON.KTSA.SV.W.0264.000000T0000Z-120926T2145Z/
MCINTOSH OK-PITTSBURG OK-
358 PM CDT WED SEP 26 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN PITTSBURG AND SOUTHERN MCINTOSH COUNTIES...

AT 357 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CROWDER...
MOVING SOUTHEAST AT 15 MPH.

STORM HAZARDS INCLUDE...
HALF DOLLAR SIZE HAIL...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CANADIAN...CROWDER...ARROWHEAD STATE PARK...BLOCKER AND FEATHERSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3523 9580 3528 9546 3527 9545 3503 9549
      3502 9551 3496 9550 3494 9551 3509 9585
TIME...MOT...LOC 2058Z 300DEG 15KT 3514 9570

$$
346 
WWUS54 KTSA 262109
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
409 PM CDT WED SEP 26 2012

OKC091-262119-
/O.CAN.KTSA.SV.W.0264.000000T0000Z-120926T2145Z/
MCINTOSH OK-
409 PM CDT WED SEP 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MCINTOSH COUNTY IS
CANCELLED...

LAT...LON 3519 9574 3519 9572 3520 9571 3522 9546
      3503 9549 3502 9551 3498 9550 3497 9551
      3508 9573
TIME...MOT...LOC 2109Z 300DEG 15KT 3512 9565

$$

OKC121-262145-
/O.CON.KTSA.SV.W.0264.000000T0000Z-120926T2145Z/
PITTSBURG OK-
409 PM CDT WED SEP 26 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN PITTSBURG COUNTY...

AT 405 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR 
CROWDER...MOVING SOUTHEAST AT 15 MPH. THIS STORM PRODUCED QUARTER 
SIZE HAIL NEAR CROWDER.

STORM HAZARDS INCLUDE...
HALF DOLLAR SIZE HAIL...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BLOCKER
AND FEATHERSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3519 9574 3519 9572 3520 9571 3522 9546
      3503 9549 3502 9551 3498 9550 3497 9551
      3508 9573
TIME...MOT...LOC 2109Z 300DEG 15KT 3512 9565

$$
637 
WWUS54 KTSA 262126
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
426 PM CDT WED SEP 26 2012

OKC121-262145-
/O.CON.KTSA.SV.W.0264.000000T0000Z-120926T2145Z/
PITTSBURG OK-
426 PM CDT WED SEP 26 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN PITTSBURG COUNTY...

AT 423 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CROWDER...
MOVING SOUTHEAST AT 5 MPH.

STORM HAZARDS INCLUDE...
HALF DOLLAR SIZE HAIL...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
FEATHERSTON AND BLOCKER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3519 9568 3522 9546 3504 9549 3502 9551
      3497 9551 3508 9573
TIME...MOT...LOC 2126Z 308DEG 6KT 3511 9565

$$
236 
WWUS54 KTSA 262142
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
442 PM CDT WED SEP 26 2012

OKC121-262153-
/O.EXP.KTSA.SV.W.0264.000000T0000Z-120926T2145Z/
PITTSBURG OK-
442 PM CDT WED SEP 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PITTSBURG COUNTY
EXPIRES AT 445 PM CDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH
THIS STORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 3519 9568 3522 9546 3504 9549 3502 9551
      3497 9551 3508 9573
TIME...MOT...LOC 2143Z 308DEG 6KT 3509 9562

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 12:19 AM CDTSpecial Weather StatementTSACreek26 min
Sep 26, 12:55 AM CDTSpecial Weather StatementTSACreek, Okfuskee, Pawnee50 min
Sep 26, 1:47 PM CDTSpecial Weather StatementTSAMcIntosh43 min
Sep 26, 1:50 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Okmulgee55 min
Sep 26, 2:22 PM CDTSpecial Weather StatementTSAAdair53 min
Sep 26, 2:42 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Pittsburg63 min
Sep 26, 3:02 PM CDTSpecial Weather StatementTSAOkfuskee28 min
Sep 26, 3:36 PM CDTSpecial Weather StatementTSAOkfuskee24 min
Sep 26, 4:00 PM CDTSpecial Weather StatementTSAMcIntosh30 min
Sep 26, 4:21 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Pittsburg54 min
Sep 26, 4:41 PM CDTFlash Flood WarningTSAMcIntosh4 hr
Sep 26, 4:55 PM CDTFlash Flood WarningTSAPittsburg4 hr
Sep 26, 5:13 PM CDTSevere Thunderstorm WarningTSAPittsburg62 min
Sep 26, 6:00 PM CDTSpecial Weather StatementTSAPittsburg45 min
Sep 26, 6:02 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa27 min
Sep 26, 6:10 PM CDTSpecial Weather StatementTSALatimer, Pittsburg50 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012Every 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.