Alert archive / Kansas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 82

April 3, 200119 counties in Kansas; 15 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Apr 3, 2001, 8:00 AM CDT for 19 counties in Kansas; 15 counties in Missouri. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 3, 2001, 8:00 AM CDT (13:00 UTC)
Expired
Apr 3, 2001, 12:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 34 counties

Anderson County, KS, Atchison County, KS, Brown 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, Marshall County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Andrew County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Platte County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 73 km from the middle of the area, began a volume at 13:04 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

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:09 AM CDTSevere Thunderstorm WarningEAXJohnson51 min
Apr 3, 8:18 AM CDTSevere Thunderstorm WarningEAXWyandotte42 min
Apr 3, 8:18 AM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie, Shawnee, Wabaunsee27 min
Apr 3, 8:31 AM CDTSevere Thunderstorm WarningEAXCass, Jackson44 min
Apr 3, 8:31 AM CDTSevere Thunderstorm WarningEAXClay, Platte44 min
Apr 3, 8:40 AM CDTSevere Thunderstorm WarningEAXLeavenworth50 min
Apr 3, 8:43 AM CDTSevere Thunderstorm WarningTOPJackson, Shawnee32 min
Apr 3, 9:31 AM CDTSevere Thunderstorm WarningTOPJefferson44 min
Apr 3, 9:33 AM CDTSevere Thunderstorm WarningEAXJohnson42 min
Apr 3, 9:48 AM CDTFlash Flood WarningEAXWyandotte4 hr
Apr 3, 10:18 AM CDTSevere Thunderstorm WarningEAXPettis57 min
Apr 3, 10:30 AM CDTSevere Thunderstorm WarningEAXJohnson45 min
Apr 3, 10:35 AM CDTSevere Thunderstorm WarningSGFBenton25 min
Apr 3, 11:02 AM CDTSevere Thunderstorm WarningSGFBenton, Morgan43 min
Apr 3, 11:06 AM CDTSevere Thunderstorm WarningEAXHenry39 min
Apr 3, 11:12 AM CDTSevere Thunderstorm WarningEAXPettis63 min
Apr 3, 11:19 AM CDTFlash Flood WarningEAXPettis3 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 1.0 hours before the alert went out and 78 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 2001-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2001-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 350 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
350 m²/s²
0-3 km storm-relative helicity
443 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.0

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
Apr 3, 2:30 PM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 22 more6 hr
Apr 3, 5:15 PM CDTSevere Thunderstorm WatchSPCButler, Dunklin, New Madrid, Oregon, Pemiscot, Ripley5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Missouri, 2001Every severe thunderstorm watch in 2001

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.