Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 244

May 6, 200224 counties in Kansas; 32 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at May 6, 2002, 10:00 PM CDT for 24 counties in Kansas; 32 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 6, 2002, 10:00 PM CDT (03:00 UTC)
Expired
May 7, 2002, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 56 counties

Anderson County, KS, Atchison County, KS, Chase County, KS, Clay County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Audrain County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Shelby County, MO

The radar

The Pleasant Hill radar (KEAX), 74 km from the middle of the area, began a volume at 03:01 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

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

IssuedProductOfficeCountiesLasted
May 6, 10:10 PM CDTSevere Thunderstorm WarningICTChase65 min
May 6, 10:20 PM CDTSevere Thunderstorm WarningEAXLafayette55 min
May 6, 10:29 PM CDTSevere Thunderstorm WarningEAXLeavenworth61 min
May 6, 10:30 PM CDTSevere Thunderstorm WarningEAXClay, Platte60 min
May 6, 10:45 PM CDTSevere Thunderstorm WarningEAXWyandotte45 min
May 6, 11:02 PM CDTSevere Thunderstorm WarningEAXCooper, Howard, Saline58 min
May 6, 11:13 PM CDTSevere Thunderstorm WarningEAXJohnson62 min
May 6, 11:29 PM CDTSevere Thunderstorm WarningEAXJackson61 min
May 6, 11:31 PM CDTSevere Thunderstorm WarningEAXCarroll59 min
May 6, 11:34 PM CDTSevere Thunderstorm WarningEAXClay41 min
May 6, 11:38 PM CDTSevere Thunderstorm WarningEAXMiami52 min
May 6, 11:42 PM CDTSevere Thunderstorm WarningEAXCass63 min
May 6, 11:47 PM CDTSevere Thunderstorm WarningEAXLinn58 min
May 7, 12:13 AM CDTSevere Thunderstorm WarningEAXBates62 min
May 7, 12:13 AM CDTTornado WarningLSXAudrain, Callaway62 min
May 7, 12:15 AM CDTSevere Thunderstorm WarningEAXJohnson60 min
May 7, 12:24 AM CDTSevere Thunderstorm WarningEAXHenry96 min
May 7, 12:53 AM CDTFlash Flood WarningLSXAudrain, Boone, Callaway6 hr
May 7, 12:57 AM CDTSevere Thunderstorm WarningEAXPettis63 min
May 7, 1:04 AM CDTFlash Flood WarningEAXSaline4 hr
May 7, 1:04 AM CDTSevere Thunderstorm WarningSGFBenton56 min
May 7, 1:13 AM CDTSevere Thunderstorm WarningEAXCooper62 min
May 7, 1:16 AM CDTFlash Flood WarningEAXCooper4 hr
May 7, 1:16 AM CDTSevere Thunderstorm WarningSGFMorgan59 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.0 hours before the alert went out and 50 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 2002-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3555 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 2002-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
3555 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
4.9
Supercell composite
15.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 3:00 PM CDTSevere Thunderstorm WatchSPCAllen, Bourbon, Cherokee, Crawford, Greenwood, Labette and 4 more6 hr
May 7, 4:00 PM CDTTornado WatchSPCBarber, Barton, Butler, Chase, Clay, Cloud and 28 more6 hr
May 7, 12:45 AM CDTSevere Thunderstorm WatchSPCBarton, Bates, Benton, Boone, Callaway, Camden and 31 more5 hr
May 7, 3:00 AM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Dent, Douglas and 17 more5 hr
May 7, 3:30 PM CDTSevere Thunderstorm WatchSPCAtchison5 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Kansas, 2002Every severe thunderstorm watch in 2002

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.