Alert archive / Oklahoma / Tornado Watches in 2003

Tornado Watch 338

May 10, 20034 states

The Storm Prediction Center issued this tornado watch at May 10, 2003, 11:55 AM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 10, 2003, 11:55 AM CDT (16:55 UTC)
Expired
May 10, 2003, 7:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 68 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Webster County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha 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), 63 km from the middle of the area, began a volume at 16:56 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

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

IssuedProductOfficeCountiesLasted
May 10, 11:58 AM CDTSevere Thunderstorm WarningOUNGarvin, McClain47 min
May 10, 12:22 PM CDTSevere Thunderstorm WarningOUNPottawatomie38 min
May 10, 12:44 PM CDTSevere Thunderstorm WarningOUNGarvin, McClain, Pontotoc, Pottawatomie, Seminole46 min
May 10, 1:09 PM CDTSevere Thunderstorm WarningICTMontgomery51 min
May 10, 1:12 PM CDTSevere Thunderstorm WarningOUNHughes63 min
May 10, 1:18 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee42 min
May 10, 1:25 PM CDTSevere Thunderstorm WarningTSANowata, Rogers, Washington65 min
May 10, 1:31 PM CDTSevere Thunderstorm WarningOUNPontotoc, Seminole44 min
May 10, 1:35 PM CDTTornado WarningTSANowata, Rogers, Washington70 min
May 10, 1:49 PM CDTSevere Thunderstorm WarningSGFBourbon, Crawford56 min
May 10, 1:52 PM CDTTornado WarningTSAMcIntosh, Pittsburg53 min
May 10, 1:53 PM CDTSevere Thunderstorm WarningICTLabette52 min
May 10, 2:01 PM CDTSevere Thunderstorm WarningOUNCarter, Jefferson, Love44 min
May 10, 2:01 PM CDTSevere Thunderstorm WarningTSACraig44 min
May 10, 2:15 PM CDTSevere Thunderstorm WarningSGFCherokee45 min
May 10, 2:20 PM CDTSevere Thunderstorm WarningOUNHughes, Pontotoc55 min
May 10, 2:23 PM CDTSevere Thunderstorm WarningOUNMurray52 min
May 10, 2:25 PM CDTTornado WarningTSAHaskell, Muskogee65 min
May 10, 2:37 PM CDTSevere Thunderstorm WarningTSACraig53 min
May 10, 2:45 PM CDTSevere Thunderstorm WarningOUNCarter, Love45 min
May 10, 2:45 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg75 min
May 10, 2:59 PM CDTSevere Thunderstorm WarningTSASequoyah46 min
May 10, 3:03 PM CDTSevere Thunderstorm WarningTSAOttawa57 min
May 10, 3:08 PM CDTSevere Thunderstorm WarningOUNCoal67 min
May 10, 3:12 PM CDTSevere Thunderstorm WarningOUNJohnston, Marshall48 min
May 10, 3:14 PM CDTSevere Thunderstorm WarningOUNHughes, Pontotoc61 min
May 10, 3:14 PM CDTSevere Thunderstorm WarningTSARogers31 min
May 10, 3:16 PM CDTSevere Thunderstorm WarningTSACrawford, Washington44 min
May 10, 3:22 PM CDTSevere Thunderstorm WarningTSAAdair38 min
May 10, 3:26 PM CDTSevere Thunderstorm WarningSGFSt. Clair, Vernon64 min
May 10, 3:39 PM CDTSevere Thunderstorm WarningTSAFranklin, Madison51 min
May 10, 3:43 PM CDTSevere Thunderstorm WarningTSASebastian47 min
May 10, 3:50 PM CDTSevere Thunderstorm WarningSGFJasper, Newton55 min
May 10, 3:54 PM CDTSevere Thunderstorm WarningTSACrawford, Washington21 min
May 10, 4:00 PM CDTSevere Thunderstorm WarningTSAOttawa60 min
May 10, 4:19 PM CDTSevere Thunderstorm WarningTSACarroll, Franklin, Madison56 min
May 10, 4:19 PM CDTSevere Thunderstorm WarningSGFChristian, Greene56 min
May 10, 4:32 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian43 min
May 10, 4:37 PM CDTTornado WarningSGFJasper, Lawrence53 min
May 10, 4:41 PM CDTSevere Thunderstorm WarningSGFNewton34 min
May 10, 4:41 PM CDTSevere Thunderstorm WarningTSALeFlore34 min
May 10, 4:49 PM CDTSevere Thunderstorm WarningSGFGreene, Webster26 min
May 10, 5:00 PM CDTTornado WarningSGFWebster45 min
May 10, 5:09 PM CDTSevere Thunderstorm WarningSGFChristian, Greene36 min
May 10, 5:10 PM CDTSevere Thunderstorm WarningSGFLaclede, Wright35 min
May 10, 5:37 PM CDTSevere Thunderstorm WarningSGFDallas, Polk, Webster23 min
May 10, 5:41 PM CDTSevere Thunderstorm WarningSGFOregon, St. Clair49 min
May 10, 5:44 PM CDTSevere Thunderstorm WarningSGFVernon46 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, 4.9 hours before the alert went out and 163 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 2003-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3689 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 2003-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 304 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
3689 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
304 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
5.7
Supercell composite
23.6

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 101649
SEL8  
SPC WW 101655
ARZ000-KSZ000-MOZ000-OKZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 338 
NWS STORM PREDICTION CENTER NORMAN OK 
1155 AM CDT SAT MAY 10 2003

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

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       SOUTHWEST AND CENTRAL MISSOURI
       CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL 700
PM CDT.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 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 65 MILES NORTH NORTHWEST OF SPRINGFIELD MISSOURI TO
DURANT 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 335...WW 336...WW 337...


DISCUSSION...TCU AND ISOLATED THUNDERSTORMS ARE RAPIDLY DEVELOPING
ALONG SURFACE DRYLINE OVER CENTRAL OK.	THIS TREND IS EXPECTED TO
CONTINUE THROUGH THE AFTERNOON...WITH THE LIKELIHOOD OF SUPERCELLS. 
SUFFICIENT VERTICAL SHEAR AND INSTABILITY INDICATE THE THREAT OF
STRONG TORNADOES...AS WELL AS DAMAGING WINDS AND VERY LARGE HAIL.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.


...HART

380,0921 335,0945 335,0975 380,0952 

WWUS20 KWNS 101649
SEL8  
SPC WW 101655
ARZ000-KSZ000-MOZ000-OKZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 338 
NWS STORM PREDICTION CENTER NORMAN OK 
1155 AM CDT SAT MAY 10 2003

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

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       SOUTHWEST AND CENTRAL MISSOURI
       CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL 700
PM CDT.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 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 65 MILES NORTH NORTHWEST OF SPRINGFIELD MISSOURI TO
DURANT 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 335...WW 336...WW 337...


DISCUSSION...TCU AND ISOLATED THUNDERSTORMS ARE RAPIDLY DEVELOPING
ALONG SURFACE DRYLINE OVER CENTRAL OK.	THIS TREND IS EXPECTED TO
CONTINUE THROUGH THE AFTERNOON...WITH THE LIKELIHOOD OF SUPERCELLS. 
SUFFICIENT VERTICAL SHEAR AND INSTABILITY INDICATE THE THREAT OF
STRONG TORNADOES...AS WELL AS DAMAGING WINDS AND VERY LARGE HAIL.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.


...HART

380,0921 335,0945 335,0975 380,0952

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 10:54 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Fulton, Izard and 7 more66 min
May 10, 1:59 PM CDTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more2 hr
May 10, 3:30 PM CDTMesoscale DiscussionSPCBaxter, Boone, Cleburne, Fulton, Izard, Johnson and 8 more2 hr
May 10, 4:00 PM CDTTornado WatchSPCBaxter, Boone, Clay, Cleburne, Conway, Craighead and 22 more5 hr
May 9, 7:45 PM CDTTornado WatchSPCButler, Chase, Coffey, Cowley, Elk, Greenwood and 7 more5 hr
May 9, 7:47 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 5 more88 min
May 9, 10:04 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Chautauqua, Cherokee and 20 more26 min
May 9, 11:00 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 14 more6 hr
May 10, 12:49 AM CDTMesoscale DiscussionSPCAtchison, Barber, Brown, Butler, Chase, Clay and 24 more86 min
May 10, 1:15 AM CDTSevere Thunderstorm WatchSPCAtchison, Barber, Brown, Butler, Chase, Clay and 25 more5 hr
May 10, 2:28 AM CDTMesoscale DiscussionSPCAtchison, Barber, Brown, Butler, Chase, Clay and 25 more92 min
May 10, 3:05 AM CDTTornado WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 17 more5 hr
May 10, 3:15 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Doniphan, Douglas, Geary, Jackson and 10 more5 hr
May 10, 5:27 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 20 more93 min
May 10, 7:06 AM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Geary, Jackson and 10 more54 min
May 10, 9:16 AM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Labette, Montgomery, Neosho, Wilson3 hr
May 10, 10:58 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Coffey and 18 more2 hr
May 10, 11:35 AM CDTTornado WatchSPCLinn, Miami7 hr
May 10, 1:42 PM CDTMesoscale DiscussionSPCMiami2 hr
May 10, 1:22 AM CDTMesoscale DiscussionSPCNewton83 min
May 10, 5:43 AM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Clark, Knox, Lewis and 11 more92 min
May 10, 5:50 AM CDTSevere Thunderstorm WatchSPCAudrain, Boone, Callaway, Clark, Cole, Franklin and 19 more5 hr
May 10, 9:25 AM CDTMesoscale DiscussionSPCIron, Jefferson, Madison, Perry, Sainte Genevieve, Saint Francois and 1 more2 hr
May 10, 3:17 PM CDTMesoscale DiscussionSPCClark, Schuyler, Scotland58 min
May 10, 3:50 PM CDTTornado WatchSPCPutnam, Schuyler, Scotland6 hr
May 10, 4:48 PM CDTMesoscale DiscussionSPCAdair, Audrain, Benton, Boone, Callaway, Chariton and 24 more87 min
May 10, 5:40 PM CDTTornado WatchSPCAdair, Audrain, Benton, Boone, Callaway, Chariton and 32 more5 hr
May 10, 6:41 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Cooper, Lewis and 13 more64 min
May 9, 7:12 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 20 more63 min
May 9, 8:24 PM CDTMesoscale DiscussionSPCBlaine, Canadian, Custer, Garfield, Kingfisher, Logan and 2 more66 min
May 9, 9:41 PM CDTMesoscale DiscussionSPCBlaine, Canadian, Kingfisher, Logan, Oklahoma64 min
May 9, 10:51 PM CDTMesoscale DiscussionSPCCherokee, Craig, Creek, Delaware, Lincoln, Mayes and 11 more54 min
May 9, 11:10 PM CDTTornado WatchSPCCherokee, Craig, Creek, Delaware, Lincoln, Mayes and 12 more6 hr

Nearby

Tornado Watches in Oklahoma, 2003Tornado Watches in Missouri, 2003Tornado Watches in Kansas, 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.