Alert archive / Kansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 331

May 10, 200331 counties in Kansas; Andrew County, Missouri

The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2003, 1:15 AM CDT for 31 counties in Kansas; Andrew County, Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 10, 2003, 1:15 AM CDT (06:15 UTC)
Expired
May 10, 2003, 6:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 32 counties

Atchison County, KS, Barber County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cowley County, KS, Dickinson County, KS, Doniphan County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Kingman County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Reno County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Andrew County, MO

The radar

The Wichita radar (KICT), 70 km from the middle of the area, began a volume at 06:15 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

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

IssuedProductOfficeCountiesLasted
May 10, 1:20 AM CDTSevere Thunderstorm WarningICTMcPherson55 min
May 10, 1:48 AM CDTSevere Thunderstorm WarningICTHarvey42 min
May 10, 2:10 AM CDTSevere Thunderstorm WarningTOPDickinson, Morris50 min
May 10, 2:13 AM CDTSevere Thunderstorm WarningICTMarion47 min
May 10, 2:23 AM CDTTornado WarningICTHarvey52 min
May 10, 2:32 AM CDTTornado WarningICTButler58 min
May 10, 2:32 AM CDTSevere Thunderstorm WarningTOPWabaunsee43 min
May 10, 2:45 AM CDTSevere Thunderstorm WarningTOPMorris45 min
May 10, 2:55 AM CDTTornado WarningICTChase, Marion65 min
May 10, 2:59 AM CDTSevere Thunderstorm WarningTOPShawnee46 min
May 10, 3:04 AM CDTSevere Thunderstorm WarningTOPJefferson26 min
May 10, 3:17 AM CDTSevere Thunderstorm WarningTOPWabaunsee28 min
May 10, 3:37 AM CDTTornado WarningTOPCoffey, Lyon53 min
May 10, 3:58 AM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Osage47 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

Topeka, KS (KTOP), launched 00:00Z, 6.3 hours before the alert went out and 156 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, Topeka, KS at 00:00Z on 2003-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 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, Topeka, KS at 00:00Z on 2003-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.1939587897117Sfc1 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
173 J/kg
Mixed-layer CIN
-412 J/kg
Mixed-layer LCL
1579 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
422 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 100610
SEL1  
SPC WW 100615
KSZ000-101100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 331 
NWS STORM PREDICTION CENTER NORMAN OK 
115 AM CDT SAT MAY 10 2003

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

       SOUTH CENTRAL AND NORTHEAST KANSAS

EFFECTIVE THIS SATURDAY MORNING FROM 115 AM UNTIL 600 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES WEST NORTHWEST OF SAINT
JOSEPH MISSOURI TO 45 MILES SOUTH SOUTHWEST OF WICHITA KANSAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


OTHER WATCH INFORMATION...CONTINUE...WW 328...WW 329...WW 330...


DISCUSSION...ELEVATED THUNDERSTORMS DEVELOPING OVER S CENTRAL KS
WILL SPREAD NEWD THE NEXT FEW HOURS TOWARD NE KS.  RUC FORECAST
SOUNDINGS AND REGIONAL VWP/PROFILER DATA SUGGEST STRONG
DESTABILIZATION WILL OCCUR ABOVE THE SURFACE ON THE NOSE OF A 45-55
KT LOW-LEVEL JET...WITH ELEVATED CAPE VALUES INCREASING OVER KS TO
NEAR 2000 J/KG.  THE STRONG ELEVATED INSTABILITY WILL SUPPORT A
THREAT OF LARGE HAIL... WHICH MAY BE ENHANCED BY SUFFICIENT VERTICAL
SHEAR FOR SUPERCELLS WITHIN THE CLOUD LAYER.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 24035.


...THOMPSON

400,0943 370,0963 370,0984 400,0964 

WWUS20 KWNS 100610
SEL1  
SPC WW 100615
KSZ000-101100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 331 
NWS STORM PREDICTION CENTER NORMAN OK 
115 AM CDT SAT MAY 10 2003

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

       SOUTH CENTRAL AND NORTHEAST KANSAS

EFFECTIVE THIS SATURDAY MORNING FROM 115 AM UNTIL 600 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES WEST NORTHWEST OF SAINT
JOSEPH MISSOURI TO 45 MILES SOUTH SOUTHWEST OF WICHITA KANSAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


OTHER WATCH INFORMATION...CONTINUE...WW 328...WW 329...WW 330...


DISCUSSION...ELEVATED THUNDERSTORMS DEVELOPING OVER S CENTRAL KS
WILL SPREAD NEWD THE NEXT FEW HOURS TOWARD NE KS.  RUC FORECAST
SOUNDINGS AND REGIONAL VWP/PROFILER DATA SUGGEST STRONG
DESTABILIZATION WILL OCCUR ABOVE THE SURFACE ON THE NOSE OF A 45-55
KT LOW-LEVEL JET...WITH ELEVATED CAPE VALUES INCREASING OVER KS TO
NEAR 2000 J/KG.  THE STRONG ELEVATED INSTABILITY WILL SUPPORT A
THREAT OF LARGE HAIL... WHICH MAY BE ENHANCED BY SUFFICIENT VERTICAL
SHEAR FOR SUPERCELLS WITHIN THE CLOUD LAYER.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 24035.


...THOMPSON

400,0943 370,0963 370,0984 400,0964

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
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, 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, 10:54 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Linn and 2 more66 min
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, 11:55 AM CDTTornado WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more7 hr
May 10, 1:42 PM CDTMesoscale DiscussionSPCMiami2 hr
May 10, 1:59 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more2 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, 3:30 PM CDTMesoscale DiscussionSPCCrawford, Dent, Douglas, Franklin, Gasconade, Howell and 16 more2 hr
May 10, 3:50 PM CDTTornado WatchSPCPutnam, Schuyler, Scotland6 hr
May 10, 4:00 PM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 22 more5 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

Nearby

Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Missouri, 2003Every severe thunderstorm 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.