Alert archive / Missouri / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 842

August 5, 200323 counties in Kansas; 26 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Aug 5, 2003, 3:55 PM CDT for 23 counties in Kansas; 26 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Aug 5, 2003, 3:55 PM CDT (20:55 UTC)
Expired
Aug 5, 2003, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 49 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Ray County, MO, St. Clair County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Pleasant Hill radar (KEAX), 31 km from the middle of the area, began a volume at 20:54 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

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

IssuedProductOfficeCountiesLasted
Aug 5, 4:38 PM CDTSevere Thunderstorm WarningTOPJackson, Shawnee37 min
Aug 5, 5:06 PM CDTSevere Thunderstorm WarningTOPJefferson24 min
Aug 5, 5:53 PM CDTSevere Thunderstorm WarningTOPDouglas37 min
Aug 5, 6:04 PM CDTSevere Thunderstorm WarningEAXMiami41 min
Aug 5, 6:04 PM CDTSevere Thunderstorm WarningTOPFranklin56 min
Aug 5, 6:23 PM CDTSevere Thunderstorm WarningTOPLyon, Osage52 min
Aug 5, 6:45 PM CDTSevere Thunderstorm WarningEAXCass45 min
Aug 5, 6:50 PM CDTSevere Thunderstorm WarningEAXLinn55 min
Aug 5, 6:54 PM CDTSevere Thunderstorm WarningSGFBourbon66 min
Aug 5, 6:56 PM CDTSevere Thunderstorm WarningTOPAnderson64 min
Aug 5, 7:18 PM CDTSevere Thunderstorm WarningEAXHenry72 min
Aug 5, 7:21 PM CDTSevere Thunderstorm WarningEAXBates69 min
Aug 5, 7:22 PM CDTSevere Thunderstorm WarningTOPCoffey23 min
Aug 5, 7:26 PM CDTSevere Thunderstorm WarningICTAllen64 min
Aug 5, 7:32 PM CDTSevere Thunderstorm WarningSGFLaclede43 min
Aug 5, 7:36 PM CDTSevere Thunderstorm WarningSGFBenton54 min
Aug 5, 7:44 PM CDTSevere Thunderstorm WarningSGFCrawford61 min
Aug 5, 7:51 PM CDTSevere Thunderstorm WarningICTNeosho69 min
Aug 5, 8:13 PM CDTTornado WarningSGFCrawford32 min
Aug 5, 8:24 PM CDTTornado WarningSGFCherokee66 min
Aug 5, 8:30 PM CDTSevere Thunderstorm WarningSGFBenton60 min
Aug 5, 8:58 PM CDTSevere Thunderstorm WarningSGFCamden62 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 12:00Z, 8.9 hours before the alert went out and 119 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 12:00Z on 2003-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 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 12:00Z on 2003-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
268 J/kg
Mixed-layer CIN
-218 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 1:50 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Coffey and 20 more115 min
Aug 5, 3:19 PM CDTMesoscale DiscussionSPCClark, Comanche, Ford, Gray, Kiowa, Meade116 min
Aug 5, 5:51 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 17 more114 min
Aug 4, 8:10 PM CDTMesoscale DiscussionSPCButler, Christian, Douglas, Dunklin, Howell, New Madrid and 5 more95 min
Aug 4, 9:00 PM CDTSevere Thunderstorm WatchSPCDouglas, Dunklin, Howell, Ozark6 hr
Aug 4, 11:02 PM CDTMesoscale DiscussionSPCDunklin, Pemiscot88 min

Nearby

Severe Thunderstorm Watches in Missouri, 2003Severe Thunderstorm Watches in Kansas, 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.