Alert archive / Oklahoma / Tornado Watches in 2003

Tornado Watch 232

May 4, 20034 states

The Storm Prediction Center issued this tornado watch at May 4, 2003, 12:35 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 4, 2003, 12:35 PM CDT (17:35 UTC)
Expired
May 4, 2003, 7:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 54 counties

Benton County, AR, Crawford County, AR, Sebastian County, AR, Washington County, AR, Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, St. Clair County, MO, Vernon County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 20 km from the middle of the area, began a volume at 17:36 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.

Warnings issued inside it

41 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 4, 3:07 PM CDTSevere Thunderstorm WarningICTChautauqua38 min
May 4, 3:30 PM CDTSevere Thunderstorm WarningICTMontgomery45 min
May 4, 3:51 PM CDTSevere Thunderstorm WarningICTLabette, Neosho39 min
May 4, 3:53 PM CDTSevere Thunderstorm WarningTSAOsage, Washington67 min
May 4, 3:59 PM CDTSevere Thunderstorm WarningOUNHughes46 min
May 4, 4:09 PM CDTSevere Thunderstorm WarningICTAllen36 min
May 4, 4:09 PM CDTSevere Thunderstorm WarningTSAMcIntosh66 min
May 4, 4:11 PM CDTSevere Thunderstorm WarningTSAPittsburg64 min
May 4, 4:12 PM CDTTornado WarningICTLabette, Neosho33 min
May 4, 4:20 PM CDTTornado WarningSGFCrawford55 min
May 4, 4:22 PM CDTSevere Thunderstorm WarningTSAOsage, Washington53 min
May 4, 4:24 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee51 min
May 4, 4:25 PM CDTSevere Thunderstorm WarningICTMontgomery35 min
May 4, 4:27 PM CDTSevere Thunderstorm WarningTSANowata, Washington48 min
May 4, 4:34 PM CDTSevere Thunderstorm WarningICTWilson41 min
May 4, 4:37 PM CDTSevere Thunderstorm WarningTSAPittsburg38 min
May 4, 4:43 PM CDTSevere Thunderstorm WarningTSACraig, Nowata47 min
May 4, 4:45 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner45 min
May 4, 4:47 PM CDTSevere Thunderstorm WarningICTLabette, Neosho43 min
May 4, 4:53 PM CDTTornado WarningTSANowata37 min
May 4, 5:00 PM CDTTornado WarningSGFBarton60 min
May 4, 5:03 PM CDTTornado WarningTSAPittsburg57 min
May 4, 5:09 PM CDTTornado WarningTSACraig36 min
May 4, 5:13 PM CDTTornado WarningICTLabette32 min
May 4, 5:13 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes47 min
May 4, 5:20 PM CDTTornado WarningSGFCherokee60 min
May 4, 5:22 PM CDTSevere Thunderstorm WarningSGFBourbon38 min
May 4, 5:23 PM CDTSevere Thunderstorm WarningSGFVernon52 min
May 4, 5:25 PM CDTSevere Thunderstorm WarningTSADelaware50 min
May 4, 5:25 PM CDTTornado WarningTSALatimer65 min
May 4, 5:38 PM CDTTornado WarningTSACraig, Ottawa37 min
May 4, 5:49 PM CDTTornado WarningSGFCedar, Vernon56 min
May 4, 5:55 PM CDTSevere Thunderstorm WarningSGFMcDonald50 min
May 4, 5:57 PM CDTTornado WarningTSALeFlore63 min
May 4, 5:59 PM CDTTornado WarningSGFJasper56 min
May 4, 5:59 PM CDTTornado WarningSGFNewton61 min
May 4, 6:03 PM CDTTornado WarningTSAOttawa42 min
May 4, 6:28 PM CDTSevere Thunderstorm WarningSGFBarton62 min
May 4, 6:30 PM CDTTornado WarningTSASebastian60 min
May 4, 6:42 PM CDTTornado WarningSGFBarton, Dade63 min
May 4, 6:46 PM CDTTornado WarningSGFLawrence59 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 5.6 hours before the alert went out and 177 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 2003-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1741 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 12:00Z on 2003-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 341 square meters per square second.1939587897Sfc1 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
1741 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
341 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
2.2
Supercell composite
31.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 041732
SEL2  
SPC WW 041735
ARZ000-KSZ000-MOZ000-OKZ000-050000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 232 
NWS STORM PREDICTION CENTER NORMAN OK 
1235 PM CDT SUN MAY 4 2003

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       SOUTHWEST MISSOURI
       CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL 700
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES NORTHEAST OF CHANUTE KANSAS TO 10 MILES
SOUTH OF MCALESTER OKLAHOMA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


OTHER WATCH INFORMATION...CONTINUE...WW 231...


DISCUSSION...DRY LINE WILL LIKELY INITIATE RAPID SEVERE THUNDERSTORM
DEVELOPMENT OVER THE NEXT FEW HOURS FROM SERN KS INTO ERN OK.  THE
AIR MASS HAS DESTABILIZED CONSIDERABLY WITH MLCAPES NOW IN EXCESS OF
2500 J/KG JUST EAST OF THE DRY LINE.  AS STRONG PRESSURE FALLS AND
CLEARING OF STRATUS CLOUDS SPREADS EAST...THIS INSTABILITY AXIS WILL
SHIFT EWD INTO MORE OF ERN OK AND SWRN MO/WRN AR DURING THE MID
AFTERNOON.  VERY STRONG DEEP LAYER SHEAR WILL SUPPORT DISCRETE
SUPERCELLS... WITH LOW LCL HEIGHTS AND SUFFICIENT LOW LEVEL SHEAR
FOR A FEW STRONG TORNADOES INTO THE EARLY EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25045.


...EVANS

380,0932 344,0941 344,0971 380,0963

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:05 PM CDTMesoscale DiscussionSPCBenton115 min
May 4, 5:01 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 7 more3 hr
May 4, 5:20 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 21 more55 min
May 4, 6:05 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 29 more7 hr
May 4, 6:55 PM CDTTornado WatchSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 9 more6 hr
May 3, 11:07 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Clay and 43 more83 min
May 3, 11:46 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Clay and 30 more59 min
May 4, 12:10 AM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Brown, Chase, Clay, Coffey and 24 more6 hr
May 4, 2:58 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more92 min
May 4, 4:50 AM CDTSevere Thunderstorm WatchSPCDoniphan, Wyandotte6 hr
May 4, 7:43 AM CDTMesoscale DiscussionSPCDoniphan2 hr
May 4, 10:19 AM CDTMesoscale DiscussionSPCAtchison, Butler, Chase, Clay, Coffey, Dickinson and 19 more116 min
May 4, 11:40 AM CDTTornado WatchSPCAnderson, Chase, Clay, Cloud, Coffey, Dickinson and 19 more6 hr
May 4, 11:44 AM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Crawford, Labette, Montgomery, Neosho and 1 more3 hr
May 4, 12:14 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more2 hr
May 4, 12:45 PM CDTTornado WatchSPCAtchison, Brown, Doniphan, Douglas, Jefferson, Johnson and 4 more6 hr
May 4, 2:22 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more113 min
May 4, 2:58 PM CDTMesoscale DiscussionSPCEllis, Gove, Jewell, Lane, Lincoln, Mitchell and 9 more92 min
May 4, 4:28 PM CDTMesoscale DiscussionSPCWyandotte62 min
May 4, 4:43 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Linn, Neosho2 hr
May 4, 6:20 PM CDTTornado WatchSPCDoniphan, Wyandotte6 hr
May 4, 3:56 PM CDTMesoscale DiscussionSPCAdair, Chariton, Grundy, Harrison, Linn, Livingston and 6 more2 hr
May 4, 5:25 PM CDTSevere Thunderstorm WatchSPCAdair, Audrain, Bollinger, Callaway, Cape Girardeau, Clark and 28 more6 hr
May 3, 8:05 PM CDTTornado WatchSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more6 hr
May 3, 10:00 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 12 more2 hr
May 4, 2:16 PM CDTMesoscale DiscussionSPCBryan, Johnston, Love, Marshall, Murray119 min
May 4, 3:00 PM CDTTornado WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 6 more6 hr
May 4, 6:28 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Johnston and 5 more2 hr

Nearby

Tornado Watches in Oklahoma, 2003Tornado Watches in Kansas, 2003Tornado Watches in Missouri, 2003Every tornado watch 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.