Alert archive / Missouri / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 545

June 10, 19986 counties in Kansas; 29 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 10, 1998, 8:30 PM CDT for 6 counties in Kansas; 29 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 10, 1998, 8:30 PM CDT (01:30 UTC)
Expired
Jun 11, 1998, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 35 counties

Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, DeKalb County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 65 km from the middle of the area, began a volume at 01:31 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 10, 8:55 PM CDTTornado WarningEAXLeavenworth50 min
Jun 10, 9:15 PM CDTSevere Thunderstorm WarningEAXJohnson40 min
Jun 10, 9:34 PM CDTSevere Thunderstorm WarningEAXWyandotte41 min
Jun 10, 9:43 PM CDTSevere Thunderstorm WarningEAXClay, Platte62 min
Jun 10, 9:43 PM CDTSevere Thunderstorm WarningEAXJackson62 min
Jun 10, 9:53 PM CDTSevere Thunderstorm WarningEAXJohnson22 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.5 hours before the alert went out and 179 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 00:00Z on 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3869 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 00:00Z on 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 square meters per square second.1939587897117136Sfc1 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
3869 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
732 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
3.9
Supercell composite
19.4

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 11, 2:30 PM CDTSevere Thunderstorm WatchSPCAudrain, Boone, Callaway, Clark, Cole, Cooper and 19 more7 hr

Nearby

Severe Thunderstorm Watches in Missouri, 1998Severe Thunderstorm Watches in Kansas, 1998Every severe thunderstorm watch in 1998

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.