Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 197, NWS Kansas City, MO

June 29, 1998Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 29, 1998, 7:18 PM CDT for Leavenworth County, Wyandotte County, Kansas. It was in force for 57 min. 2 reports 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, 7:18 PM CDT (00:18 UTC)
Expired
Jun 29, 1998, 8:15 PM CDT
In force
57 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Leavenworth County, KS, Wyandotte County, KS

What was reported inside it

TimeReportWhereRemark
Jun 29, 7:35 PM CDTThunderstorm Wind 70Tonganoxie, KSA spotter reported 70 MPH winds in Tonganoxie during a severe thunderstorm.
Jun 29, 7:43 PM CDTThunderstorm Wind 65Kansas City, KSThe Wyandotte County Sheriff's Office reported wind gusts to 65 MPH during a severe thunderstorm in Kansas City, KS. The strong winds were reported at I-435 and Kansas Avenue.

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 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, 0.3 hours before the alert went out and 66 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1998-06-30The 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.

339 
WUUS1 KMCI 300019 RRA
SVRMCI
KSC103-209-300115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
718 PM CDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
     LEAVENWORTH COUNTY IN KANSAS
     WYANDOTTE COUNTY IN KANSAS

* UNTIL 815 PM CDT

* AT 718 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR               
  INDICATED...A SEVERE THUNDERSTORM 7 MILES WEST OF JARBALO...OR 
  ABOUT 23 MILES SOUTH OF ATCHISON...MOVING EAST AT 40 MILES PER 
  HOUR.

* THE SEVERE THUNDERSTORM WILL BE...
     OVER JARBALO AT 725 PM CDT
     NEAR BASEHOR AT 735 PM CDT
     NEAR KANSAS CITY KS AT 800 PM CDT  

PEOPLE IN THE PATH OF THIS STORM...CAN EXPECT HAIL UP TO 2 INCHES IN 
DIAMETER AND WIND GUSTS UP TO 75 MPH. FOR YOUR SAFETY...MOVE 
INDOORS...AND STAY AWAY FROM WINDOWS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 29, 3:15 PM CDT, 4 hours 3 minutes earlier.

Area forecast discussion, Jun 29, 3:15 PM CDT, 4 hours 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
315 PM CDT MON JUN 29 1998

LTL TIME FOR DISC AS SVR WX NEARS CWA. EXTREME NSTABILITY... STEEP
LAPSE RATES...CDFNT AND INCREASING MID LEVEL WNDS WILL PROVIDE FOR A
GOOD CHANCE OF SVR WX. WITH HI DWPTS AND CORRESPONDING HI PW AND LO
FFG VALUES...WL ISSUE FLASH FLOOD WATCH FOR TNGT FOR NRN 2/3RDS OF
CWA.

DRIER AND COOLER AIR TO ARRIVE LATE TNGT AND TUES WITH FWC GUID
GENERALLY FOLLOWED.IFT INTO 2ND PD FFA.

.EAX...
FLASH FLOOD WATCH
MO ZONES MOZ001>008-011>017-020>025-028>033-037>040-046
KS ZONES KSZ 102>105-025-

DB

In the hours before

Local storm report, Jun 29, 3:38 PM CDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
338 PM CDT MON JUN 29 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 AM    ODESSA                    MO    WIND DAMAGE
06/29/98   LAFAYETTE                       4 INCH AND GREATER TREE
                                           LIMBS DOWN

0630 PM    FAYETTE                   MO    .88 INCH HAIL
06/28/98   HOWARD                          CIVIL DEFENSE
                                           COORDINATOR REPORTS
                                           SEVERAL LOCATIONS SOUTH
                                           OF FAYETTE ALSO
                                           REPORTED GOLF BALL SIZE
                                           HAIL.

1054 PM    TURNEY                    MO    WIND DAMAGE
06/28/98   CLINTON                         TREES DOWN, BRICK
                                           CHIMNEY BLOWN DOWN,
                                           WINDOWS BROKEN OUT.

1115 PM    5 S PRINCETON             MO    .75 INCH HAIL
06/28/98   MERCER

1115 PM    5 S PRINCETON             MO    WIND DAMAGE
06/28/98   MERCER                          4 INCH TREE LIMBS DOWN
Local storm report, Jun 29, 3:38 PM CDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
338 PM CDT MON JUN 29 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 AM    ODESSA                    MO    WIND DAMAGE
06/29/98   LAFAYETTE                       4 INCH AND GREATER TREE
                                           LIMBS DOWN

0630 PM    FAYETTE                   MO    .88 INCH HAIL
06/28/98   HOWARD                          CIVIL DEFENSE
                                           COORDINATOR REPORTS
                                           SEVERAL LOCATIONS SOUTH
                                           OF FAYETTE ALSO
                                           REPORTED GOLF BALL SIZE
                                           HAIL.

1054 PM    TURNEY                    MO    WIND DAMAGE
06/28/98   CLINTON                         TREES DOWN, BRICK
                                           CHIMNEY BLOWN DOWN,
                                           WINDOWS BROKEN OUT.

1115 PM    5 S PRINCETON             MO    .75 INCH HAIL
06/28/98   MERCER

1115 PM    5 S PRINCETON             MO    WIND DAMAGE
06/28/98   MERCER                          4 INCH TREE LIMBS DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:55 PM CDTSevere Thunderstorm WarningEAXJohnson50 min
Jun 29, 8:01 PM CDTTornado WarningEAXJohnson39 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

Severe Thunderstorm Warnings in Kansas, 1998Every severe thunderstorm warning 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.