Alert archive / Kansas / Tornado Warnings in 1998

Tornado Warning 22, NWS Kansas City, MO

June 29, 1998Johnson County, Kansas

NWS Kansas City, MO issued this tornado warning at Jun 29, 1998, 8:01 PM CDT for Johnson County, Kansas. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 29, 1998, 8:01 PM CDT (01:01 UTC)
Expired
Jun 29, 1998, 8:40 PM CDT
In force
39 min
Issued by
NWS Kansas City, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Johnson County, KS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 7:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.0 hours before the alert went out and 59 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 1998-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2102 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
2102 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
2166 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
20.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

697 
WFUS1 KMCI 300102 RRA
TORMCI
KSC091-300140-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
801 PM CDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
     WESTERN JOHNSON COUNTY IN KANSAS

* UNTIL 840 PM CDT

* AT 801 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR...INDICATED A
  DEVELOPING TORNADO 5 MILES WEST OF DE SOTO...OR ABOUT 17 MILES
  WEST OF OLATHE...MOVING SOUTHEAST AT 35 MILES PER HOUR.

* THE TORNADO WILL BE...
     6 MILES NORTHWEST OF GARDNER AT 810 PM CDT
     NEAR GARDNER AT 820 PM CDT
     NEAR SPRING HILL AT 830 PM CDT

A FUNNEL CLOUD HAS BEEN OBSERVED SOUTHWEST OF DE SOTO.

IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY IN
THE BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING

LAT...LON 3897 9507 3874 9505 3875 9480 3903 9485

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 7:18 PM CDTSevere Thunderstorm WarningEAXLeavenworth, Wyandotte57 min
Jun 29, 7:55 PM CDTSevere Thunderstorm WarningEAXJohnson50 min
Jun 29, 8:21 PM CDTTornado WarningEAXMiami59 min
Jun 29, 8:45 PM CDTSevere Thunderstorm WarningEAXMiami45 min
Jun 29, 9:06 PM CDTSevere Thunderstorm WarningEAXLinn54 min
Jun 29, 10:23 PM CDTSevere Thunderstorm WarningEAXLinn47 min

Nearby

Tornado Warnings in Kansas, 1998Every tornado warning in 1998Tornadoes 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.