Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 259

May 8, 200212 counties in Kansas; 17 counties in Missouri; Ottawa County, Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2002, 8:00 PM CDT for 12 counties in Kansas; 17 counties in Missouri; Ottawa County, Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2002, 8:00 PM CDT (01:00 UTC)
Expired
May 9, 2002, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 30 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton 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, Lawrence County, MO, Miller County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Ottawa County, OK

The radar

The Springfield radar (KSGF), 132 km from the middle of the area, began a volume at 01:01 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

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

IssuedProductOfficeCountiesLasted
May 8, 8:06 PM CDTTornado WarningICTChautauqua54 min
May 8, 8:20 PM CDTSevere Thunderstorm WarningICTMontgomery55 min
May 8, 8:38 PM CDTSevere Thunderstorm WarningEAXLinn52 min
May 8, 8:39 PM CDTSevere Thunderstorm WarningSGFPolk21 min
May 8, 8:43 PM CDTSevere Thunderstorm WarningSGFBourbon47 min
May 8, 8:52 PM CDTSevere Thunderstorm WarningICTLabette53 min
May 8, 9:04 PM CDTSevere Thunderstorm WarningEAXBates56 min
May 8, 9:37 PM CDTTornado WarningSGFCherokee, Crawford38 min
May 8, 9:40 PM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Dade, St. Clair, Vernon65 min
May 8, 10:17 PM CDTFlash Flood WarningSGFCrawford3 hr
May 8, 10:31 PM CDTSevere Thunderstorm WarningSGFNewton44 min
May 8, 10:41 PM CDTFlash Flood WarningSGFBenton3 hr
May 8, 10:46 PM CDTSevere Thunderstorm WarningSGFDallas, Polk44 min
May 8, 10:49 PM CDTSevere Thunderstorm WarningSGFGreene41 min
May 8, 11:38 PM CDTFlash Flood WarningSGFMiller3 hr
May 9, 1:17 AM CDTFlash Flood WarningICTLabette6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 111 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 00:00Z on 2002-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1675 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 00:00Z on 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
1675 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
2.9
Supercell composite
13.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 8:30 PM CDTSevere Thunderstorm WatchSPCAudrain, Boone, Callaway, Cole, Cooper, Franklin and 20 more6 hr
May 8, 9:00 PM CDTSevere Thunderstorm WatchSPCClark, Scotland5 hr
May 8, 9:00 PM CDTTornado WatchSPCAdair, Alfalfa, Blaine, Cherokee, Craig, Creek and 17 more5 hr
May 9, 1:15 AM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Coal, Creek, Haskell, Hughes and 10 more5 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Oklahoma, 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.