Alert archive / Kansas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 467

June 20, 200018 counties in Kansas; 15 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 20, 2000, 2:30 PM CDT for 18 counties in Kansas; 15 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 20, 2000, 2:30 PM CDT (19:30 UTC)
Expired
Jun 20, 2000, 9:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 33 counties

Anderson County, KS, Atchison 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, Linn County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Platte County, MO, Ray County, MO

The radar

The Topeka radar (KTWX), 90 km from the middle of the area, began a volume at 19:29 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
Jun 20, 4:02 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson28 min
Jun 20, 4:04 PM CDTFlash Flood WarningEAXJohnson, Leavenworth, Wyandotte6 hr
Jun 20, 4:19 PM CDTSevere Thunderstorm WarningTOPFranklin26 min
Jun 20, 4:19 PM CDTTornado WarningEAXCarroll, Lafayette26 min
Jun 20, 4:46 PM CDTTornado WarningEAXCarroll, Lafayette, Saline44 min
Jun 20, 5:32 PM CDTFlash Flood WarningTOPFranklin4 hr
Jun 20, 5:35 PM CDTSevere Thunderstorm WarningEAXCass, Johnson85 min
Jun 20, 5:44 PM CDTFlash Flood WarningEAXMiami4 hr
Jun 20, 6:12 PM CDTSevere Thunderstorm WarningTOPAnderson33 min

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.5 hours before the alert went out and 259 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, Omaha, NE at 12:00Z on 2000-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 12:00Z on 2000-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 7:45 PM CDTSevere Thunderstorm WatchSPCDecatur, Graham, Jewell, Mitchell, Norton, Osborne and 8 more5 hr
Jun 20, 12:30 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Doniphan, Marshall, Nemaha, Republic and 1 more6 hr
Jun 20, 3:00 PM CDTSevere Thunderstorm WatchSPCBarber, Butler, Chase, Coffey, Comanche, Cowley and 16 more6 hr
Jun 20, 6:45 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford, Linn4 hr
Jun 20, 5:30 PM CDTSevere Thunderstorm WatchSPCAdair, Audrain, Boone, Callaway, Carroll, Chariton and 26 more6 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Missouri, 2000Every severe thunderstorm watch in 2000

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.