Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 365, NWS Tulsa, OK

August 3, 2003Adair County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 3, 2003, 4:49 AM CDT for Adair County, Sequoyah County, Oklahoma. It was in force for 56 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
Aug 3, 2003, 4:49 AM CDT (09:49 UTC)
Expired
Aug 3, 2003, 5:45 AM CDT
In force
56 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Adair County, OK, Sequoyah County, OK

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.

IssuedProductOfficeLasted
Aug 3, 2:35 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.8 hours before the alert went out and 169 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, Springfield, MO at 00:00Z on 2003-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 732 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, Springfield, MO at 00:00Z on 2003-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
732 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
66 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.

410 
WUUS54 KTSA 030949
SVRTUL
OKC001-135-031045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
449 AM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA   
  ADAIR COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 545 AM CDT

* AT 449 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
  A LINE EXTENDING FROM 9 MILES NORTHWEST OF BUNCH TO 6 MILES
  NORTHWEST OF VIAN...MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...STILWELL...
  BUNCH...VIAN...BRUSHY...SHORT AND MARBLE CITY.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 70 MPH CAN BE 
EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS 
UNTIL THE STORM HAS PASSED.

LAT...LON 3546 9502 3564 9510 3565 9481 3579 9481
          3586 9453 3548 9447

$$

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 Aug 3, 4:06 AM CDT, 43 minutes earlier.

Area forecast discussion, Aug 3, 4:06 AM CDT, 43 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
406 AM CDT SUN AUG 3 2003

DISC...
-------------------------------------------
SUBTLE FEATURES ALL TEAM TO PROVIDE ANOTHER
BUSY NIGHT.  MINOR WAVE IN FLOW TRANSPARENT
AT H500 BUT HINTED AT IN THERMAL FIELD H700
LEVEL... ALONG WITH WEAK LLJ AND CONVECTIVE
BOUNDARY RESIDUE...AND AMPLE MOISTURE YIELD
POTENT THUNDER.  SATELLITE / LIGHTNING DATA
SHOW LINEAR NEBRASKA/KANSAS CONVECTION ALSO
SLIDING SOUTH.  PUSHED POPS INTO LIKELY CAT
FOR MORNING HOURS MOST PLACES.  00Z GFS QPF
BULLSEYE VALID 18Z / 00Z INITIALLY REGARDED
AS OVER-JUICED FEEDBACK...HOWEVER GIVEN THE
CURRENT RADAR PICTURE... LOOKING BETTER ALL
THE TIME.  GFS EVEN DEVELOPS MINOR H500 00Z
KINK AROUND TXK.  MAX TEMPS CLOSER MET THAN
MAV AGAIN TODAY. EVENTUALLY GREAT LAKES LOW
HEADS FOR QUEBEC AND WEST COAST LOW GIVES A
BOOST TO HEIGHTS OVER ROCKIES.   AS HEIGHTS
BUILD..THE BULK OF NORTHWEST FLOW WOES WILL
MIGRATE EAST.  GW
--------------------------------------------
TUL   97   75   94   76  / 70   40   20   20
FSM   93   72   92   74  / 70   30   20   20
MLC   93   73   93   74  / 60   20   20   20
BVO   96   70   93   73  / 50   40   20   20
FYV   87   68   87   69  / 60   40   20   20
BYV   90   70   86   70  / 50   30   20   20
MKO   95   74   93   74  / 70   30   20   20
MIO   94   72   91   72  / 50   30   20   20
F10   96   74   94   74  / 70   20   20   20
HHW   93   74   94   74  / 60   20   20   20

FORECAST ID= 21

.TSA...
AR...NONE.
OK...NONE.
Hazardous weather outlook, Aug 2, 10:35 AM CDT, 18 hours 14 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-031100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1035 AM CDT SAT AUG 02 2003

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

.DAY ONE...TODAY AND TONIGHT

SEVERE WEATHER OUTLOOK

...SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST OKLAHOMA
AND WEST CENTRAL ARKANSAS THIS AFTERNOON AND TONIGHT...

A WEAKENING COMPLEX OF STORMS WILL CONTINUE TO MOVE OUT OF SOUTHEAST
OKLAHOMA AND WEST CENTRAL ARKANSAS THIS MORNING. HOWEVER...
ADDITIONAL THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE THIS AFTERNOON
ALONG ANY RESIDUAL OUTFLOW BOUNDARIES PRODUCED FROM THIS MORNINGS
STORMS...MAINLY SOUTH OF INTERSTATE 40.

AS THE LOW LEVEL JET STRENGTHENS TONIGHT...ELEVATED THUNDERSTORMS
MAY ONCE AGAIN DEVELOP OVER SOUTHEAST OKLAHOMA AND WEST-CENTRAL
ARKANSAS.  LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE WITH ANY
STORMS THAT DEVELOP.

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...SUNDAY THROUGH FRIDAY.

THE CHANCE FOR SHOWERS AND THUNDERSTORMS WILL REMAIN IN FORECAST FOR
THE NEXT SEVERAL DAYS AS DISTURBANCES MOVE SOUTHEAST OVER THE UPPER
RIDGE.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER
ACTIVATION WILL MAY BE REQUIRED ACROSS SOUTHEAST OKLAHOMA AND WEST
CENTRAL ARKANSAS THIS AFTERNOON AND TONIGHT.

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

In the hours before

Special weather statement, Aug 3, 2:33 AM CDT, 2 hours 16 minutes before
OKZ054>055-057>076-031300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
233 AM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
833 UNTIL 800 AM CDT SUNDAY MORNING FOR THE FOLLOWING AREAS:

IN OKLAHOMA THIS WATCH INCLUDES 23 COUNTIES...
IN EAST CENTRAL OKLAHOMA:

CHEROKEE              MUSKOGEE              OKFUSKEE
SEQUOYAH

IN NORTHEAST OKLAHOMA:

ADAIR                 CRAIG                 CREEK
DELAWARE              MAYES                 OKMULGEE
OSAGE                 OTTAWA                PAWNEE
ROGERS                TULSA                 WAGONER
WASHINGTON            NOWATA

IN SOUTHEAST OKLAHOMA:

HASKELL               LATIMER               LE FLORE
MCINTOSH              PITTSBURG

THIS INCLUDES THE CITIES OF BARTLESVILLE...BRISTOW...BROKEN ARROW...
CLAREMORE...EUFAULA...JAY...MCALESTER...MIAMI...MUSKOGEE...OKEMAH...
OKMULGEE...PAWHUSKA...PAWNEE...POTEAU...PRYOR...SALLISAW...SAND
SPRINGS...STIGLER...STILWELL...TAHLEQUAH...TULSA...VINITA...WAGONER
AND WILBURTON.
Local storm report, Aug 3, 4:30 AM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
0430 AM CDT SUN AUG 03 2003

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

0400 AM    DEPEW                     OK   GOLFBALL HAIL
08/03/03   CREEK                          REPORTED BY BRISTOW EM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 1:47 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee58 min
Aug 3, 2:18 AM CDTSevere Thunderstorm WarningTSACreek57 min
Aug 3, 2:43 AM CDTSevere Thunderstorm WarningTSAOkmulgee47 min
Aug 3, 2:55 AM CDTSevere Thunderstorm WarningTSAOsage, Tulsa50 min
Aug 3, 3:03 AM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner57 min
Aug 3, 3:13 AM CDTSevere Thunderstorm WarningTSACreek47 min
Aug 3, 3:52 AM CDTSevere Thunderstorm WarningTSACreek68 min
Aug 3, 3:58 AM CDTSevere Thunderstorm WarningTSAOkmulgee62 min
Aug 3, 4:02 AM CDTSevere Thunderstorm WarningTSACherokee, Wagoner58 min
Aug 3, 4:37 AM CDTSevere Thunderstorm WarningTSAPawnee38 min
Aug 3, 4:59 AM CDTSevere Thunderstorm WarningTSACreek61 min
Aug 3, 6:19 AM CDTFlash Flood WarningTSACreek, Osage, Pawnee4 hr
Aug 3, 8:37 AM CDTFlash Flood WarningTSAPittsburg3 hr
Aug 3, 8:47 AM CDTSevere Thunderstorm WarningTSAPittsburg43 min
Aug 3, 8:54 AM CDTFlash Flood WarningTSAOkmulgee3 hr
Aug 3, 10:41 AM CDTSevere Thunderstorm WarningTSAChoctaw49 min
Aug 3, 11:23 AM CDTFlash Flood WarningTSAPittsburg2 hr
Aug 3, 11:49 AM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee41 min
Aug 3, 1:33 PM CDTFlash Flood WarningTSAPittsburg57 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.