Alert archive / Missouri / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 475

June 26, 200218 counties in Kansas; 31 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 26, 2002, 4:15 PM CDT for 18 counties in Kansas; 31 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2002, 4:15 PM CDT (21:15 UTC)
Expired
Jun 26, 2002, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 49 counties

Atchison County, KS, Brown County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 87 km from the middle of the area, began a volume at 21:14 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

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

IssuedProductOfficeCountiesLasted
Jun 26, 4:22 PM CDTSevere Thunderstorm WarningEAXAndrew53 min
Jun 26, 4:43 PM CDTSevere Thunderstorm WarningEAXDoniphan62 min
Jun 26, 5:55 PM CDTSevere Thunderstorm WarningEAXClay65 min
Jun 26, 5:57 PM CDTFlash Flood WarningTOPBrown3 hr
Jun 26, 6:14 PM CDTSevere Thunderstorm WarningEAXJackson61 min
Jun 26, 8:22 PM CDTSevere Thunderstorm WarningICTLyon53 min

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.3 hours before the alert went out and 79 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 2002-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 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 2002-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 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
384 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 4:30 PM CDTSevere Thunderstorm WatchSPCClark, Scotland5 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.