Alert archive / Missouri / Tornado Warnings in 1998

Tornado Warning 20, NWS Kansas City, MO

June 29, 1998Platte County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 29, 1998, 7:00 PM CDT for Platte County, Missouri. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 29, 1998, 7:00 PM CDT (00:00 UTC)
Expired
Jun 29, 1998, 8:00 PM CDT
In force
60 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Platte County, MO

What was reported inside it

TimeReportWhereRemark
Jun 29, 7:04 PM CDTThunderstorm Wind 67Platte, MOSevere thunderstorm winds were clocked at 67 MPH at Kansas City International Airport. Two parked airliners were knocked together as a result of the wind gusts.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.0 hours before the alert went out and 86 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.

220 
WFUS1 KMCI 292359 RRA
TORMCI
MOC165-300100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
700 PM CDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL/KANSAS CITY HAS
ISSUED A

* TORNADO WARNING FOR...
  PLATTE COUNTY IN NORTHWESTERN MISSOURI

* UNTIL 800 PM CDT

* AT AT 656 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR DEKALB...MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NEAR NEW MARKET AT 715 PM
  CAMDEN POINT AT 720 PM
  HOOVER AT 730 PM

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:03 PM CDTTornado WarningEAXAdair27 min
Jun 29, 7:28 PM CDTSevere Thunderstorm WarningEAXClay47 min
Jun 29, 7:40 PM CDTSevere Thunderstorm WarningEAXJackson60 min
Jun 29, 8:28 PM CDTSevere Thunderstorm WarningEAXJohnson62 min
Jun 29, 8:30 PM CDTSevere Thunderstorm WarningEAXMacon30 min
Jun 29, 8:35 PM CDTSevere Thunderstorm WarningEAXCass40 min
Jun 29, 9:06 PM CDTSevere Thunderstorm WarningEAXBates54 min
Jun 29, 9:52 PM CDTFlash Flood WarningEAXMacon, Randolph3 hr
Jun 29, 10:39 PM CDTSevere Thunderstorm WarningEAXBates51 min

Nearby

Tornado Warnings in Missouri, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.