Alert archive / Oklahoma / Tornado Watches in 2003

Tornado Watch 132

April 19, 200310 counties in Kansas; 38 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Apr 19, 2003, 2:30 PM CDT for 10 counties in Kansas; 38 counties in Oklahoma. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2003, 2:30 PM CDT (19:30 UTC)
Expired
Apr 19, 2003, 9:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 48 counties

Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Kay County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Marshall County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Murray 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, 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), 16 km from the middle of the area, began a volume at 19:30 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

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

IssuedProductOfficeCountiesLasted
Apr 19, 3:57 PM CDTTornado WarningTSACreek, Okmulgee33 min
Apr 19, 4:25 PM CDTTornado WarningTSATulsa35 min
Apr 19, 4:29 PM CDTTornado WarningTSAOsage, Washington61 min
Apr 19, 4:42 PM CDTSevere Thunderstorm WarningTSAPittsburg48 min
Apr 19, 4:44 PM CDTTornado WarningTSACreek, Okmulgee, Tulsa46 min
Apr 19, 4:47 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee58 min
Apr 19, 4:47 PM CDTTornado WarningTSACreek, Okmulgee, Tulsa43 min
Apr 19, 4:54 PM CDTSevere Thunderstorm WarningICTButler66 min
Apr 19, 4:57 PM CDTSevere Thunderstorm WarningTSARogers, Wagoner63 min
Apr 19, 5:06 PM CDTTornado WarningTSAOsage, Pawnee39 min
Apr 19, 5:10 PM CDTTornado WarningTSAPittsburg50 min
Apr 19, 5:39 PM CDTTornado WarningTSAOsage51 min
Apr 19, 5:49 PM CDTSevere Thunderstorm WarningOUNKay56 min
Apr 19, 5:50 PM CDTTornado WarningTSAWashington40 min
Apr 19, 5:59 PM CDTSevere Thunderstorm WarningICTButler61 min
Apr 19, 6:05 PM CDTSevere Thunderstorm WarningICTCowley55 min
Apr 19, 6:07 PM CDTTornado WarningTSANowata, Washington38 min
Apr 19, 6:13 PM CDTTornado WarningICTMontgomery47 min
Apr 19, 6:25 PM CDTSevere Thunderstorm WarningTSAPittsburg50 min
Apr 19, 6:40 PM CDTTornado WarningICTLabette50 min
Apr 19, 6:43 PM CDTSevere Thunderstorm WarningOUNKay47 min
Apr 19, 6:44 PM CDTTornado WarningTSAPittsburg31 min
Apr 19, 6:47 PM CDTSevere Thunderstorm WarningICTNeosho43 min
Apr 19, 7:00 PM CDTSevere Thunderstorm WarningOUNCoal, Hughes30 min
Apr 19, 7:01 PM CDTSevere Thunderstorm WarningICTCowley44 min
Apr 19, 7:07 PM CDTSevere Thunderstorm WarningSGFBourbon, Crawford53 min
Apr 19, 7:12 PM CDTTornado WarningTSAPittsburg28 min
Apr 19, 7:13 PM CDTTornado WarningSGFCherokee47 min
Apr 19, 7:28 PM CDTTornado WarningTSAPittsburg32 min
Apr 19, 7:30 PM CDTSevere Thunderstorm WarningICTLabette45 min
Apr 19, 7:38 PM CDTTornado WarningSGFCrawford37 min
Apr 19, 7:40 PM CDTTornado WarningTSAHaskell35 min
Apr 19, 7:53 PM CDTTornado WarningICTLabette37 min
Apr 19, 7:56 PM CDTTornado WarningTSALatimer, Pittsburg34 min
Apr 19, 8:04 PM CDTTornado WarningSGFCherokee41 min
Apr 19, 8:12 PM CDTTornado WarningTSAHaskell33 min
Apr 19, 8:16 PM CDTTornado WarningSGFCrawford44 min
Apr 19, 8:28 PM CDTTornado WarningTSALatimer, Pittsburg32 min
Apr 19, 8:31 PM CDTSevere Thunderstorm WarningICTMontgomery29 min
Apr 19, 8:42 PM CDTSevere Thunderstorm WarningSGFCrawford48 min
Apr 19, 8:43 PM CDTTornado WarningTSAHaskell62 min
Apr 19, 8:49 PM CDTSevere Thunderstorm WarningICTLabette41 min
Apr 19, 8:59 PM CDTSevere Thunderstorm WarningTSASequoyah46 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

Springfield, MO (KSGF), launched 12:00Z, 7.5 hours before the alert went out and 182 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 12:00Z on 2003-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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 12:00Z on 2003-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
36 J/kg
Mixed-layer CIN
-416 J/kg
Mixed-layer LCL
1511 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 191931
SEL2
SPC WW 191930
KSZ000-OKZ000-200200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 132
STORM PREDICTION CENTER NORMAN OK
230 PM CDT SAT APR 19 2003

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

SOUTHEAST KANSAS                             
EASTERN OKLAHOMA                           

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 900
PM CDT.

 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
DAMAGING 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 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES WEST NORTHWEST OF CHANUTE KANSAS TO 30
MILES EAST OF 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 131...

DISCUSSION...DESTABILIZATION CONTINUES NEWD FROM CENTRAL TOWARD
ERN/NERN OK AS LOW CLOUDS ERODE AND TEMPERATURES WARM INTO THE 70S. 
AT THE SAME TIME...CONVECTIVE INHIBITION IS WEAKENING ALONG THE
DRYLINE ACROSS CENTRAL/S CENTRAL OK...AND THUNDERSTORM INITIATION
IS EXPECTED IN THE NEXT 1-2 HOURS.  THE COMBINATION OF STRONG DEEP
LAYER SHEAR AND MLCAPE VALUES AROUND 2000 J/KG WILL SUPPORT
SUPERCELLS WITH VERY LARGE HAIL/DAMAGING WINDS.  ADDITIONALLY...
BOUNDARY LAYER DEW POINTS IN THE MID-UPPER 60S AND 0-1 SRH VALUES
OF 150-200 M2/S2 COULD SUPPORT A FEW STRONG TORNADOES...ESPECIALLY
ALONG THE REMNANT OUTFLOW BOUNDARY ALONG THE I-44 CORRIDOR.

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 24035.


...THOMPSON

374,0944 335,0943 335,0970 374,0971

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 7:33 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jefferson57 min
Apr 18, 11:08 PM CDTMesoscale DiscussionSPCButler, Chase, Coffey, Douglas, Franklin, Harvey and 12 more2 hr
Apr 19, 12:58 AM CDTMesoscale DiscussionSPCBarber, Comanche, Harper, Kingman, Sumner2 hr
Apr 19, 1:25 AM CDTSevere Thunderstorm WatchSPCBarber, Butler, Chautauqua, Comanche, Cowley, Edwards and 11 more7 hr
Apr 19, 3:18 AM CDTMesoscale DiscussionSPCBourbon, Chautauqua, Cherokee, Crawford, Labette, Montgomery and 2 more117 min
Apr 19, 4:52 AM CDTMesoscale DiscussionSPCBarber, Butler, Comanche, Cowley, Greenwood, Harper and 7 more113 min
Apr 19, 9:01 AM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Linn3 hr
Apr 19, 1:10 PM CDTMesoscale DiscussionSPCBarber, Comanche, Harper, Kingman, Pratt, Sedgwick and 1 more2 hr
Apr 19, 1:15 PM CDTTornado WatchSPCBarber, Clark, Comanche, Cowley, Harper, Kingman and 2 more7 hr
Apr 19, 4:58 PM CDTMesoscale DiscussionSPCAnderson, Chase, Coffey, Douglas, Franklin, Greenwood and 9 more92 min
Apr 19, 5:25 PM CDTSevere Thunderstorm WatchSPCAnderson, Coffey, Douglas, Franklin, Greenwood, Johnson and 7 more6 hr
Apr 19, 5:50 PM CDTMesoscale DiscussionSPCHarper, Kingman, Sumner85 min
Apr 19, 6:07 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Cowley, Crawford, Elk, Labette and 3 more83 min
Apr 19, 6:55 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford5 hr
Apr 18, 8:31 PM CDTMesoscale DiscussionSPCCaddo, Cleveland, Comanche, Cotton, Grady, Greer and 8 more2 hr
Apr 18, 9:50 PM CDTSevere Thunderstorm WatchSPCBeckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 13 more6 hr
Apr 18, 11:32 PM CDTMesoscale DiscussionSPCBeckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 10 more118 min
Apr 19, 1:20 AM CDTTornado WatchSPCComanche, Cotton, Greer, Harmon, Jackson, Kiowa and 2 more7 hr
Apr 19, 4:11 AM CDTMesoscale DiscussionSPCComanche, Cotton, Jackson, Kiowa, Stephens, Tillman2 hr
Apr 19, 2:02 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more88 min
Apr 19, 3:15 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more2 hr

Nearby

Tornado Watches in Oklahoma, 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.