Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 248

May 7, 20024 states

The Storm Prediction Center issued this severe thunderstorm watch at May 7, 2002, 3:00 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2002, 3:00 PM CDT (20:00 UTC)
Expired
May 7, 2002, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 44 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Fulton County, AR, Izard County, AR, Marion County, AR, Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Delaware County, OK, Nowata County, OK, Ottawa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 85 km from the middle of the area, began a volume at 20:00 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
May 7, 3:09 PM CDTSevere Thunderstorm WarningSGFBourbon, Crawford66 min
May 7, 3:52 PM CDTFlash Flood WarningSGFBourbon, Crawford6 hr
May 7, 4:01 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon59 min
May 7, 4:03 PM CDTSevere Thunderstorm WarningTSAWashington42 min
May 7, 4:08 PM CDTSevere Thunderstorm WarningICTMontgomery67 min
May 7, 4:11 PM CDTSevere Thunderstorm WarningTSANowata64 min
May 7, 4:30 PM CDTSevere Thunderstorm WarningICTLabette60 min
May 7, 4:41 PM CDTSevere Thunderstorm WarningTSAWashington34 min
May 7, 4:52 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair53 min
May 7, 5:12 PM CDTSevere Thunderstorm WarningSGFCherokee, Crawford63 min
May 7, 5:44 PM CDTSevere Thunderstorm WarningSGFCedar46 min
May 7, 5:46 PM CDTSevere Thunderstorm WarningTSACraig, Ottawa59 min
May 7, 6:13 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper, Newton62 min
May 7, 6:48 PM CDTSevere Thunderstorm WarningSGFCamden, Dallas57 min
May 7, 7:04 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence71 min
May 7, 7:47 PM CDTSevere Thunderstorm WarningSGFChristian, Greene58 min
May 7, 8:06 PM CDTFlash Flood WarningICTWilson3 hr
May 7, 8:18 PM CDTSevere Thunderstorm WarningICTMontgomery, Wilson57 min
May 7, 8:21 PM CDTFlash Flood WarningICTNeosho3 hr
May 7, 8:28 PM CDTSevere Thunderstorm WarningSGFWebster62 min
May 7, 8:43 PM CDTSevere Thunderstorm WarningICTNeosho62 min
May 7, 8:52 PM CDTSevere Thunderstorm WarningICTLabette53 min

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 66 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 2002-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 419 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 2002-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 309 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
419 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
732 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
309 m²/s²
0-3 km storm-relative helicity
305 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 3:00 AM CDTSevere Thunderstorm WatchSPCBaxter, Fulton, Marion5 hr
May 6, 10:00 PM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Chase, Clay, Coffey, Dickinson and 18 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, 3:30 PM CDTSevere Thunderstorm WatchSPCAtchison5 hr

Nearby

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