Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 108, NWS Tulsa, OK

May 6, 2003Craig County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 6, 2003, 4:56 PM CDT for Craig County, Oklahoma. It was in force for 64 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, 4:56 PM CDT (21:56 UTC)
Expired: May 6, 2003, 6:00 PM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Craig County, OK

The radar

The Tulsa radar (KINX), 65 km from the middle of the area, began a volume at 21:55 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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 6, 11:40 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 123 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: 34 J/kg
Mixed-layer CIN: -216 J/kg
Mixed-layer LCL: 1877 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 062156
SVRTUL
OKC035-062300-

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 600 PM CDT

* AT 456 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6
  MILES EAST OF BIG CABIN...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...VINITA...BIG
  CABIN...BLUEJACKET AND WELCH.

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

LAT...LON 3651 9528 3649 9506 3678 9498 3698 9514

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 6, 4:42 PM CDT, 14 minutes earlier.

Area forecast discussion, May 6, 4:42 PM CDT, 14 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
442 PM CDT TUE MAY 6 2003

AT 4PM THE THE DRY LINE EXTENDED FROM NEAR SOUTH COFFEYVILLE TO
OKMULGEE TO JUST WEST OF ARDMORE.  BY 7PM THE DRY LINE WILL EXTEND
FROM NEAR JOPLIN TO 40 MILES WEST OF DURANT.

STRONG MOISTURE CONVERGENCE IN SOUTHEAST OKLAHOMA HAS FORCED
MULTIPLE CELLS TO DEVELOP...THE MOISTURE CONVERGENCE MAY RELAX
DURING THE NEXT HOUR OR SO AND ALLOW MORE CELL SEPARATION.  MORE
DISCRETE CELLS ARE OCCURRING IN NORTHEAST OKLAHOMA WERE THE MOISTURE
CONVERGENCE HAS NOT BEEN AS GREAT.

THE AXIS OF GREATEST LOW-LEVEL STORM-RELATIVE HELICITY EXISTS FROM
MUSKOGEE COUNTY NORTHEAST INTO THE NORTHWEST CORNER OF ARKANSAS.
OVER THE NEXT FEW HOURS THE GREATEST TORNADO THREAT WILL LIKELY BE
ALONG THIS AXIS.

FORECAST ID= 08

.TSA...
AR...NONE.
OK...NONE.

Hazardous weather outlook, May 6, 1:00 PM CDT, 3 hours 56 minutes before

ARZ001-002-010-011-019-020-029-OKZ049-053>076-071100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT TUE MAY 6 2003

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE WEATHER OUTLOOK

...SEVERE WEATHER OUTBREAK EXPECTED THIS AFTERNOON AND EVENING
   ACROSS PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS...

SURFACE LOW PRESSURE WAS LOCATED OVER NORTH-CENTRAL OKLAHOMA EARLY
THIS AFTERNOON WITH A DRY LINE EXTENDING SOUTHWEST INTO SOUTHWEST
OKLAHOMA.  THUNDERSTORMS WILL LIKELY DEVELOP ALONG THE DRY LINE BY
MID AFTERNOON ACROSS EASTERN OKLAHOMA...RAPIDLY BECOMING SEVERE.
SUPERCELL THUNDERSTORMS ARE EXPECTED WITH HAIL UP TO THE SIZE OF
BASEBALLS...DAMAGING DOWNBURST WINDS TO 70 MPH AND A FEW TORNADOES.
THE GREATEST TORNADO THREAT THROUGH THIS EVENING WILL BE ACROSS FAR
NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS...NORTH OF A
BARTLESVILLE...FORT SMITH LINE.

WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE
FOUND IN THE OUTLOOK SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN
PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT
YOUR LOCATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
AN ACTIVE SPRING WEATHER PATTERN WILL CONTINUE INTO THE WEEKEND AS A
SERIES OF DISTURBANCES MOVES ACROSS THE SOUTHERN PLAINS AND A
SURFACE BOUNDARY REMAINS OVER THE AREA. IT APPEARS THE BEST CHANCES
OF SEVERE WEATHER WILL OCCUR WEDNESDAY NIGHT AND THURSDAY...AND
AGAIN ON SATURDAY. A MORE STABLE PATTERN MAY FINALLY TAKE OVER BY
EARLY NEXT WEEK.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUIRED THIS AFTERNOON.   A TORNADO
WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST OKLAHOMA AND NORTHWEST
ARKANSAS UNTIL 700 PM.  EMERGENCY MANAGEMENT PERSONNEL SHOULD
CONTINUE TO CLOSELY MONITOR THE LATEST WEATHER CONDITIONS...AS
WARNINGS WILL LIKELY BE ISSUED LATER THIS AFTERNOON.

ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT...
WWW.SRH.NOAA.GOV/TULSA

In the hours before

Special weather statement, May 6, 3:55 PM CDT, 1 hour 1 minute before

ARZ001>002-010>011-019>020-029-OKZ054>072-070000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
355 PM CDT TUE MAY 6 2003

THE NATIONAL WEATHER SERVICE HAS CLEARED A PORTION OF TORNADO WATCH
#269. AREAS CLEARED FROM THE TORNADO WATCH INCLUDE:

IN OKLAHOMA 5 COUNTIES...
IN NORTHEAST OKLAHOMA:

CREEK                 OSAGE                 PAWNEE
TULSA                 WASHINGTON

THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW...
PAWHUSKA...PAWNEE...SAND SPRINGS AND TULSA.

TORNADO WATCH #269 REMAINS VALID UNTIL 700 PM CDT TUESDAY EVENING FOR
THE FOLLOWING AREAS:

IN ARKANSAS THIS WATCH INCLUDES 7 COUNTIES...
IN NORTHWEST ARKANSAS:

BENTON                CARROLL               CRAWFORD
MADISON               WASHINGTON

IN WEST CENTRAL ARKANSAS:

FRANKLIN              SEBASTIAN

IN OKLAHOMA THIS WATCH INCLUDES 14 COUNTIES...
IN EAST CENTRAL OKLAHOMA:

CHEROKEE              MUSKOGEE              OKFUSKEE
SEQUOYAH

IN NORTHEAST OKLAHOMA:

ADAIR                 CRAIG                 DELAWARE
MAYES                 NOWATA                OKMULGEE
OTTAWA                ROGERS                WAGONER

IN SOUTHEAST OKLAHOMA:

MCINTOSH

THIS INCLUDES THE CITIES OF BENTONVILLE...BERRYVILLE...CEDARVILLE...
CLAREMORE...EUFAULA...EUREKA SPRINGS...FAYETTEVILLE...FORT SMITH...
HUNTSVILLE...JAY...MIAMI...MOUNTAINBURG...MUSKOGEE...NATURAL DAM...
NOWATA...OKEMAH...OKMULGEE...OZARK...PRYOR...ROGERS...SALLISAW...
SILOAM SPRINGS...SPRINGDALE...STILWELL...TAHLEQUAH...VAN BUREN...
VINITA AND WAGONER.

Local storm report, May 6, 4:11 PM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0411 PM CDT TUE MAY 06 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0358 PM    5 E HENRYETTA             OK   1.00 IN HAIL
05/06/03   OKMULGEE

0409 PM    3 W BOYNTON               OK   1.00 IN HAIL
05/06/03   MUSKOGEE

SP

Local storm report, May 6, 4:20 PM CDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0420 PM CDT TUE MAY 06 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0419 PM    6 SW TAFT                 OK   0.75 IN HAIL
05/06/03   MUSKOGEE

SP

Local storm report, May 6, 4:29 PM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0429 PM CDT TUE MAY 06 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0425 PM    BOYNTON                   OK   1.00 IN HAIL
05/06/03   MUSKOGEE

SP

Local storm report, May 6, 4:42 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0442 PM CDT TUE MAY 06 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0441 PM    PRYOR                     OK   0.88 IN HAIL
05/06/03   MAYES

SP

Local storm report, May 6, 4:49 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0449 PM CDT TUE MAY 06 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0447 PM    PRYOR                     OK   1.00 IN HAIL
05/06/03   MAYES

SP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 3:30 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	45 min
May 6, 3:50 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	55 min
May 6, 3:53 PM CDT	Severe Thunderstorm Warning	TSA	Wagoner	52 min
May 6, 4:05 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	70 min
May 6, 4:18 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	87 min
May 6, 4:19 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	56 min
May 6, 4:39 PM CDT	Tornado Warning	TSA	Muskogee	66 min
May 6, 4:47 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	58 min
May 6, 5:10 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	50 min
May 6, 5:13 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	62 min
May 6, 5:15 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	45 min
May 6, 5:23 PM CDT	Tornado Warning	TSA	Sequoyah	52 min
May 6, 5:39 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Muskogee, Pittsburg	81 min
May 6, 6:02 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	88 min
May 6, 6:13 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	77 min
May 6, 6:19 PM CDT	Severe Thunderstorm Warning	TSA	Adair	41 min
May 6, 6:26 PM CDT	Tornado Warning	TSA	Adair	34 min
May 6, 6:48 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	72 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003 Every 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.