Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 94, NWS Tulsa, OK

May 29, 2012Latimer County, McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 10:22 PM CDT for Latimer County, McIntosh County, Pittsburg County, Oklahoma. It was in force for 53 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: May 29, 2012, 10:22 PM CDT (03:22 UTC)
Expired: May 29, 2012, 11:15 PM CDT
In force: 53 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Latimer County, OK, McIntosh County, OK, Pittsburg County, OK

The radar

The Norman radar (KTLX), 130 km from the middle of the area, began a volume at 03:22 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 29, 10:44 PM CDT	TSTM WND DMG	3 S Mcalester, OK	REPORT OF A GAS STATION CANOPY CAVED IN AT THE PHILLIPS 66 ON HWY 69 AT COMANCHE AVE. RELAYED BY MEDIA.
May 29, 10:45 PM CDT	TSTM WND GST 71	4 S Mcalester, OK	MEASURED WIND GUST OF 71 MPH AT THE MCALESTER MESONET.
May 29, 10:46 PM CDT	TSTM WND GST 69	6 S Mcalester, OK	MEASURED 69 MPH WIND GUST AT THE MCALESTER REGIONAL AIRPORT.
May 29, 10:49 PM CDT	HAIL 0.75	9 Se Scipio, OK	PENNY HAIL REPORTED AT PUMPKIN CENTER.

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 29, 7:33 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.4 hours before the alert went out and 138 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: 2199 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1607 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

780 
WUUS54 KTSA 300322
SVRTSA
OKC077-091-121-300415-
/O.NEW.KTSA.SV.W.0094.120530T0322Z-120530T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1022 PM CDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHWESTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
  PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1115 PM CDT

* AT 1021 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM HANNA TO 10 MILES NORTHWEST OF ASHLAND...MOVING
  SOUTHEAST AT 50 MPH.

  STORM HAZARDS INCLUDE...
  QUARTER SIZE HAIL...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  INDIANOLA...ASHLAND...HAYWOOD...CROWDER...MCALESTER...SAVANNA...
  KREBS...KIOWA...BLOCKER...ALDERSON...BLANCO...HARTSHORNE AND
  HIGGINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3468 9589 3468 9601 3474 9610 3505 9610
      3507 9607 3509 9607 3513 9601 3514 9602
      3516 9599 3522 9599 3531 9591 3489 9534
      3459 9566 3459 9588
TIME...MOT...LOC 0323Z 315DEG 43KT 3520 9585 3488 9614

$$

1 follow-up statement

600 
WWUS54 KTSA 300331
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT TUE MAY 29 2012

OKC077-091-121-300415-
/O.CON.KTSA.SV.W.0094.000000T0000Z-120530T0415Z/
MCINTOSH OK-PITTSBURG OK-LATIMER OK-
1031 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR WESTERN LATIMER...PITTSBURG AND SOUTHWESTERN MCINTOSH COUNTIES...

AT 1027 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM VERNON TO SCIPIO TO 6 MILES NORTH OF ASHLAND...MOVING
SOUTHEAST AT 50 MPH.

STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HAYWOOD...
ASHLAND...INDIANOLA...MCALESTER...SAVANNA...KIOWA...CROWDER...
KREBS...PITTSBURG...ALDERSON...BLANCO...BACHE...DOW...HAILEYVILLE...
HARTSHORNE...GOWEN AND HIGGINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3468 9589 3468 9601 3474 9610 3505 9610
      3507 9607 3509 9607 3513 9601 3514 9602
      3516 9599 3522 9599 3531 9591 3489 9534
      3459 9566 3459 9588
TIME...MOT...LOC 0331Z 310DEG 42KT 3517 9591 3500 9589
          3482 9606

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:11 PM CDT	Special Weather Statement	TSA	Osage	49 min
May 29, 7:27 PM CDT	Special Weather Statement	TSA	Creek	48 min
May 29, 7:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
May 29, 8:07 PM CDT	Special Weather Statement	TSA	Creek	53 min
May 29, 8:17 PM CDT	Severe Thunderstorm Warning	TSA	Osage	43 min
May 29, 8:25 PM CDT	Severe Thunderstorm Warning	TSA	Osage	35 min
May 29, 8:30 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	45 min
May 29, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	50 min
May 29, 8:44 PM CDT	Severe Thunderstorm Warning	TSA	Osage	46 min
May 29, 8:49 PM CDT	Special Weather Statement	TSA	Tulsa	41 min
May 29, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Tulsa	28 min
May 29, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	48 min
May 29, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	27 min
May 29, 9:29 PM CDT	Special Weather Statement	TSA	Muskogee	46 min
May 29, 9:34 PM CDT	Special Weather Statement	TSA	Okfuskee	26 min
May 29, 9:39 PM CDT	Special Weather Statement	TSA	Wagoner	36 min
May 29, 9:46 PM CDT	Special Weather Statement	TSA	McIntosh	44 min
May 29, 10:05 PM CDT	Special Weather Statement	TSA	Cherokee, Craig, Mayes, Muskogee, Nowata	55 min
May 29, 10:10 PM CDT	Areal Flood Advisory	TSA	McIntosh, Okfuskee, Okmulgee	110 min
May 29, 10:19 PM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	41 min
May 29, 10:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Pittsburg	68 min
May 29, 10:54 PM CDT	Special Weather Statement	TSA	Ottawa	36 min
May 29, 11:04 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	45 min
May 29, 11:17 PM CDT	Special Weather Statement	TSA	Sequoyah	58 min
May 29, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	54 min
May 29, 11:38 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	67 min
May 30, 12:31 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	59 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.