Alert archive / Kansas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 468

June 20, 200022 counties in Kansas; 9 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jun 20, 2000, 3:00 PM CDT for 22 counties in Kansas; 9 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 20, 2000, 3:00 PM CDT (20:00 UTC)
Expired
Jun 20, 2000, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Barber County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Wabaunsee County, KS, Woodson County, KS, Alfalfa County, OK, Dewey County, OK, Ellis County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Major County, OK, Woods County, OK, Woodward County, OK

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 20, 4:45 PM CDTSevere Thunderstorm WarningICTHarvey60 min
Jun 20, 5:02 PM CDTSevere Thunderstorm WarningICTButler58 min
Jun 20, 5:45 PM CDTSevere Thunderstorm WarningICTGreenwood60 min
Jun 20, 5:50 PM CDTSevere Thunderstorm WarningICTButler55 min
Jun 20, 6:41 PM CDTSevere Thunderstorm WarningICTButler64 min
Jun 20, 7:03 PM CDTSevere Thunderstorm WarningDDCComanche57 min

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 8.0 hours before the alert went out and 106 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, Lamont, OK at 12:00Z on 2000-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1397 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, Lamont, OK at 12:00Z on 2000-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
1397 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

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, 2:30 PM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Coffey, Doniphan, Douglas, Franklin and 12 more7 hr
Jun 20, 6:45 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford, Linn4 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Oklahoma, 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.