Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

May 28, 2012Creek County, Oklahoma

NWS Tulsa, OK issued this special weather statement at May 28, 2012, 9:46 PM CDT for Creek County, Oklahoma. It was in force for 44 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
May 28, 2012, 9:46 PM CDT (02:46 UTC)
Expired
May 28, 2012, 10:30 PM CDT
In force
44 min
Issued by
NWS Tulsa, OK

County Creek County, OK

The radar

The Tulsa radar (KINX), 66 km from the middle of the area, began a volume at 02:49 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 nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 2.8 hours before the alert went out and 116 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, Lamont, OK at 00:00Z on 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 00:00Z on 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3235 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at May 28, 6:34 PM CDT, 3 hours 12 minutes earlier.

Area forecast discussion, May 28, 6:34 PM CDT, 3 hours 12 minutes before
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Hazardous weather outlook, May 28, 5:16 PM CDT, 4 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
516 PM CDT MON MAY 28 2012

ARZ001-002-010-011-019-020-029-OKZ049-053>076-291000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
515 PM CDT MON MAY 28 2012

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...MID TO LATE EVENING OR OVERNIGHT.

DISCUSSION...
A CONDITIONALLY UNSTABLE MOIST AXIS FROM SOUTHWEST OKLAHOMA
THROUGH EASTERN OKLAHOMA TO  SOUTHWEST MISSOURI IS EXPECTED
TO ERUPT INTO SCATTERED THUNDERSTORMS LATE THIS EVENING AND
OVERNIGHT.  MORE THAN AMPLE INSTABILITY... WITH MIXED LAYER
CAPE VALUES OF   2500 TO 3500 J/KG   WILL BE ACCOMPANIED BY
JUST MARGINAL SHEAR. THUS THE PRIMARY SEVERE THREAT WILL BE
LARGE HAIL...WITH DAMAGING WIND A LESSER THREAT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...SEVERE THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL.
FRIDAY...NO HAZARDS.
SATURDAY...NO HAZARDS.
SUNDAY...NO HAZARDS.

EXTENDED DISCUSSION...
THUNDERSTORMS WILL DEVELOP TO OUR WEST ON TUESDAY AFTERNOON
AND ORGANIZE INTO CLUSTERS THAT MOVE ACROSS OUR REGION TUESDAY
NIGHT. THERE WILL BE A LIMITED SEVERE WEATHER THREAT IN THE FORM
OF DAMAGING WINDS AND LARGE HAIL. AN EVEN GREATER CHANCE FOR ONE
OR MORE WELL ORGANIZED THUNDERSTORM COMPLEXES TO AFFECT OUR AREA
WILL BE ON WEDNESDAY NIGHT. A SHORTWAVE TROUGH WILL SWEEP ACROSS
THE PLAINS IN NORTHWEST FLOW WHICH WILL AID IN OVERALL CONVECTIVE
COVERAGE AND INTENSITY WEDNESDAY NIGHT.  DAMAGING WINDS AND LARGE
AND POTENTIALLY HEAVY RAIN WILL ACCOMPANY THESE STORM COMPLEXES
AS THEY SWEEP SOUTHEAST WEDNESDAY NIGHT AND THURSDAY.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, May 28, 9:46 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 10:28 PM CDTSpecial Weather StatementTSAWashington62 min
May 28, 10:34 PM CDTSpecial Weather StatementTSAPawnee56 min
May 28, 10:36 PM CDTSpecial Weather StatementTSAOkfuskee54 min
May 28, 10:43 PM CDTSpecial Weather StatementTSAOsage62 min
May 28, 10:51 PM CDTSpecial Weather StatementTSACraig54 min
May 28, 10:58 PM CDTSpecial Weather StatementTSANowata47 min
May 28, 11:21 PM CDTSpecial Weather StatementTSAOkmulgee39 min
May 28, 11:28 PM CDTSpecial Weather StatementTSAWashington47 min
May 28, 11:31 PM CDTSpecial Weather StatementTSACraig29 min
May 28, 11:57 PM CDTSpecial Weather StatementTSAMayes, Rogers33 min
May 29, 12:02 AM CDTSpecial Weather StatementTSACraig43 min
May 29, 12:05 AM CDTSpecial Weather StatementTSANowata, Washington25 min
May 29, 12:08 AM CDTSpecial Weather StatementTSAMcIntosh, Muskogee, Wagoner37 min
May 29, 12:19 AM CDTSpecial Weather StatementTSACraig, Ottawa56 min
May 29, 1:00 AM CDTSpecial Weather StatementTSAAdair, Cherokee, Sequoyah45 min
May 29, 5:03 AM CDTSpecial Weather StatementTSADelaware27 min
May 29, 5:25 AM CDTSevere Thunderstorm WarningTSAAdair, Delaware35 min
May 29, 1:24 AM CDTSpecial Weather StatementTSABenton36 min
May 29, 2:05 AM CDTSpecial Weather StatementTSABenton, Crawford, Washington40 min
May 29, 2:47 AM CDTSpecial Weather StatementTSACarroll, Madison, Washington43 min
May 29, 3:06 AM CDTSpecial Weather StatementTSACrawford39 min
May 29, 3:55 AM CDTSpecial Weather StatementTSAFranklin, Sebastian65 min
May 29, 5:23 AM CDTSpecial Weather StatementTSAWashington37 min

Nearby

Special Weather Statements in Oklahoma, 2012Every special weather statement 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.