Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 128

April 19, 20026 counties in Kansas; 50 counties in Missouri; Craig County, Ottawa County, Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2002, 4:00 PM CDT for 6 counties in Kansas; 50 counties in Missouri; Craig County, Ottawa County, Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2002, 4:00 PM CDT (21:00 UTC)
Expired
Apr 19, 2002, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 58 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Johnson County, KS, Linn County, KS, Miami County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Ottawa County, OK

The radar

The Springfield radar (KSGF), 89 km from the middle of the area, began a volume at 21:01 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

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:42 PM CDTSevere Thunderstorm WarningSGFCedar, Dallas, Hickory, Polk, St. Clair63 min
Apr 19, 4:49 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence41 min
Apr 19, 5:04 PM CDTSevere Thunderstorm WarningSGFCamden56 min
Apr 19, 5:25 PM CDTSevere Thunderstorm WarningSGFPhelps50 min
Apr 19, 5:49 PM CDTFlash Flood WarningSGFCamden6 hr
Apr 19, 6:15 PM CDTFlash Flood WarningSGFMaries, Miller, Pulaski6 hr
Apr 19, 6:25 PM CDTTornado WarningLSXFranklin, Gasconade50 min
Apr 19, 6:26 PM CDTFlash Flood WarningSGFPhelps6 hr
Apr 19, 6:33 PM CDTSevere Thunderstorm WarningSGFDent, Phelps, Texas42 min

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.0 hours before the alert went out and 127 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 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1060 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 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.19395878Sfc1 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
1060 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 9:00 PM CDTSevere Thunderstorm WatchSPCBarton, Butler, Chase, Dickinson, Edwards, Ellsworth and 13 more5 hr
Apr 19, 1:45 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Clay, Cloud, Dickinson, Doniphan and 23 more4 hr
Apr 19, 5:00 AM CDTSevere Thunderstorm WatchSPCJohnson, Leavenworth, Linn, Miami, Wyandotte5 hr
Apr 18, 8:30 PM CDTSevere Thunderstorm WatchSPCAdair, Clark, Daviess, DeKalb, Gentry, Grundy and 10 more5 hr
Apr 19, 8:00 AM CDTSevere Thunderstorm WatchSPCAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 15 more5 hr
Apr 19, 10:15 AM CDTSevere Thunderstorm WatchSPCBarton, Bates, Benton, Bollinger, Camden, Cape Girardeau and 43 more6 hr
Apr 19, 2:15 PM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Iron, Madison, Mississippi and 8 more6 hr
Apr 19, 5:30 PM CDTSevere Thunderstorm WatchSPCCrawford, Franklin, Jefferson, Lincoln, Pike, Saint Charles and 3 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.