Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 101, NWS Tulsa, OK

May 6, 2003Okmulgee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 6, 2003, 3:30 PM CDT for Okmulgee County, Oklahoma. It was in force for 45 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 6, 2003, 3:30 PM CDT (20:30 UTC)
Expired
May 6, 2003, 4:15 PM CDT
In force
45 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 20:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 6, 11:40 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.5 hours before the alert went out and 146 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 2003-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 236 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, Norman, OK at 12:00Z on 2003-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897117Sfc1 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
236 J/kg
Mixed-layer CIN
-453 J/kg
Mixed-layer LCL
2191 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

559 
WUUS54 KTSA 062030
SVRTUL
OKC111-062115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT TUE MAY 6 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 415 PM CDT

* AT 330 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
  SCHULTER...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OKMULGEE...
  DEWAR...HOFFMAN...GRAYSON...SCHULTER...MORRIS AND BALD HILL.

HAIL TO THE SIZE OF NICKELS CAN BE EXPECTED IN THE WARNED AREA. STAY
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3552 9608 3586 9576 3574 9576 3573 9572
          3558 9571 3556 9582 3547 9583 3540 9591

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 3:50 PM CDTSevere Thunderstorm WarningTSAMcIntosh55 min
May 6, 3:53 PM CDTSevere Thunderstorm WarningTSAWagoner52 min
May 6, 4:05 PM CDTSevere Thunderstorm WarningTSAMuskogee70 min
May 6, 4:18 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg87 min
May 6, 4:19 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers56 min
May 6, 4:39 PM CDTTornado WarningTSAMuskogee66 min
May 6, 4:47 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa58 min
May 6, 4:56 PM CDTSevere Thunderstorm WarningTSACraig64 min
May 6, 5:10 PM CDTSevere Thunderstorm WarningTSASequoyah50 min
May 6, 5:13 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee62 min
May 6, 5:15 PM CDTSevere Thunderstorm WarningTSAMayes45 min
May 6, 5:23 PM CDTTornado WarningTSASequoyah52 min
May 6, 5:39 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Muskogee, Pittsburg81 min
May 6, 6:02 PM CDTSevere Thunderstorm WarningTSAPushmataha88 min
May 6, 6:13 PM CDTSevere Thunderstorm WarningTSASequoyah77 min
May 6, 6:19 PM CDTSevere Thunderstorm WarningTSAAdair41 min
May 6, 6:26 PM CDTTornado WarningTSAAdair34 min
May 6, 6:48 PM CDTSevere Thunderstorm WarningTSALeFlore72 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003Every severe thunderstorm warning in 2003

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.