Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 89, NWS Tulsa, OK

May 29, 2012Creek County, Okfuskee County, Okmulgee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 8:40 PM CDT for Creek County, Okfuskee County, Okmulgee County, Oklahoma. It was in force for 50 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
May 29, 2012, 8:40 PM CDT (01:40 UTC)
Expired
May 29, 2012, 9:30 PM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK

The radar

The Norman radar (KTLX), 90 km from the middle of the area, began a volume at 01:40 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

TimeReportWhereRemark
May 29, 8:45 PM CDTTSTM WND DMG7 N Okemah, OKLARGE TREE DOWN ON NORTH SIDE OF OKEMAH LAKE
May 29, 9:21 PM CDTTSTM WND GST 60Okemah, OKESTIMATED ON NORTH SIDE OF OKEMAH
May 29, 9:22 PM CDTTSTM WND DMGOkemah, OKFEW LARGE TREES DOWN. FEW LARGE LIMBS DOWN ON POWER LINES.

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
May 29, 7:33 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.7 hours before the alert went out and 104 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 00:00Z on 2012-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2199 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 00:00Z on 2012-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.19395878Sfc1 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
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.

786 
WUUS54 KTSA 300140
SVRTSA
OKC037-107-111-300230-
/O.NEW.KTSA.SV.W.0089.120530T0140Z-120530T0230Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
  SOUTHERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  SOUTHWESTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 930 PM CDT

* AT 839 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF
  WELTY...MOVING EAST AT 30 MPH.

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

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  OKEMAH...OKFUSKEE...CLEARVIEW...OKMULGEE STATE PARK...PHAROAH...
  WELEETKA...WILSON...OKMULGEE...HENRYETTA AND SCHULTER.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 214 AND 238.

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 3570 9643 3565 9593 3537 9597 3537 9598
      3529 9598 3528 9605 3542 9645 3545 9645
      3545 9648 3543 9648 3548 9663 3549 9663
TIME...MOT...LOC 0141Z 285DEG 28KT 3561 9632

$$
2 follow-up statements
081 
WWUS54 KTSA 300200
SVSTSA

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

OKC037-107-111-300230-
/O.CON.KTSA.SV.W.0089.000000T0000Z-120530T0230Z/
CREEK OK-OKFUSKEE OK-OKMULGEE OK-
900 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTHWESTERN OKMULGEE...OKFUSKEE AND SOUTHERN CREEK COUNTIES...

AT 856 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OKFUSKEE...
MOVING EAST AT 30 MPH.

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

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CLEARVIEW...OKMULGEE STATE PARK...PHAROAH...WELEETKA...WILSON...
BRYANT...OKMULGEE...HENRYETTA AND SCHULTER.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 214 AND 238.

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 3570 9643 3565 9593 3537 9597 3537 9598
      3529 9598 3528 9605 3542 9645 3545 9645
      3545 9648 3543 9648 3548 9663 3549 9663
TIME...MOT...LOC 0200Z 285DEG 28KT 3557 9614

$$
879 
WWUS54 KTSA 300209
SVSTSA

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

OKC037-107-111-300230-
/O.CON.KTSA.SV.W.0089.000000T0000Z-120530T0230Z/
CREEK OK-OKFUSKEE OK-OKMULGEE OK-
909 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTHWESTERN OKMULGEE...OKFUSKEE AND SOUTHERN CREEK COUNTIES...

AT 905 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OKMULGEE STATE
PARK...MOVING EAST AT 30 MPH.

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

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WILSON...
BRYANT...OKMULGEE...HENRYETTA AND SCHULTER.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 214 AND 238.

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 3569 9634 3565 9593 3537 9597 3537 9598
      3529 9598 3528 9606 3542 9645 3545 9645
      3545 9648 3543 9648 3548 9663 3549 9663
TIME...MOT...LOC 0210Z 285DEG 28KT 3555 9605

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:11 PM CDTSpecial Weather StatementTSAOsage49 min
May 29, 7:27 PM CDTSpecial Weather StatementTSACreek48 min
May 29, 7:49 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee41 min
May 29, 8:07 PM CDTSpecial Weather StatementTSACreek53 min
May 29, 8:17 PM CDTSevere Thunderstorm WarningTSAOsage43 min
May 29, 8:25 PM CDTSevere Thunderstorm WarningTSAOsage35 min
May 29, 8:30 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Tulsa45 min
May 29, 8:44 PM CDTSevere Thunderstorm WarningTSAOsage46 min
May 29, 8:49 PM CDTSpecial Weather StatementTSATulsa41 min
May 29, 8:55 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa28 min
May 29, 8:57 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee, Tulsa, Wagoner48 min
May 29, 9:18 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okfuskee, Okmulgee27 min
May 29, 9:29 PM CDTSpecial Weather StatementTSAMuskogee46 min
May 29, 9:34 PM CDTSpecial Weather StatementTSAOkfuskee26 min
May 29, 9:39 PM CDTSpecial Weather StatementTSAWagoner36 min
May 29, 9:46 PM CDTSpecial Weather StatementTSAMcIntosh44 min
May 29, 10:05 PM CDTSpecial Weather StatementTSACherokee, Craig, Mayes, Muskogee, Nowata55 min
May 29, 10:10 PM CDTAreal Flood AdvisoryTSAMcIntosh, Okfuskee, Okmulgee110 min
May 29, 10:19 PM CDTSpecial Weather StatementTSAMcIntosh, Pittsburg41 min
May 29, 10:22 PM CDTSevere Thunderstorm WarningTSALatimer, McIntosh, Pittsburg53 min
May 29, 10:52 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, McIntosh, Pittsburg68 min
May 29, 10:54 PM CDTSpecial Weather StatementTSAOttawa36 min
May 29, 11:04 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa45 min
May 29, 11:17 PM CDTSpecial Weather StatementTSASequoyah58 min
May 29, 11:21 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, Pittsburg, Pushmataha54 min
May 29, 11:38 PM CDTSevere Thunderstorm WarningTSAChoctaw, Latimer, Pittsburg, Pushmataha67 min
May 30, 12:31 AM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha59 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; radar from the NEXRAD Level II archive.