Alert archive / Kansas / Flash Flood Warnings in 1998

Flash Flood Warning 13, NWS Kansas City, MO

June 23, 1998Leavenworth County, Wyandotte County, Kansas; Clay County, Platte County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 23, 1998, 8:58 AM CDT for Leavenworth County, Wyandotte County, Kansas; Clay County, Platte County, Missouri. It was in force for 92 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 23, 1998, 8:58 AM CDT (13:58 UTC)
Expired
Jun 23, 1998, 10:30 AM CDT
In force
92 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Leavenworth County, KS, Wyandotte County, KS, Clay County, MO, Platte County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 2.0 hours before the alert went out and 82 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 1998-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1998-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
295 J/kg
Mixed-layer CIN
-320 J/kg
Mixed-layer LCL
1317 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 231356
FFWMCI
KSC103-209-MOC047-165-231525-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
858 AM CDT TUE JUN 23 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL/KANSAS CITY IS
EXTENDING THE FLASH FLOOD WARNING.

* FLASH FLOOD WARNING EXTENDED FOR...
  LEAVENWORTH COUNTY IN EAST CENTRAL KANSAS
  WYANDOTTE COUNTY IN EAST CENTRAL KANSAS
  CLAY COUNTY IN NORTHWESTERN MISSOURI
  PLATTE COUNTY IN NORTHWESTERN MISSOURI

* UNTIL 1030 AM CDT

* AT 855 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM JARBALO
  THROUGH LIBERTY...MOVING SLOWLY EAST NORTHEAST.

* FROM 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN ACROSS NORTHERN
  PORTIONS OF THE METRO AREA. WITH ADDITIONAL RAINFALL OF ONE TO
  ONE AND A HALF INCHES POSSIBLE...FLASH FLOODING PROBLEMS WILL
  LINGER UNTIL 1030 AM.

THE FLASH FLOOD WARNING FOR JOHNSON COUNTY KANSAS ANDh JACKSON COUNTY
MISSOURI WILL BE ALLOWED TO EXPIRE AT 900 AM. THESE LOCATIONS WILL
LIKELY REMAIN TO THE SOUTH OF THE HEAVY RAIN.

RESIDENTS ARE REMINDED TO AVOID DRIVING INTO AREAS WHERE WATER
COVERS THE ROAD!

DJV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 3:24 AM CDTSevere Thunderstorm WarningEAXJohnson, Miami56 min
Jun 23, 5:54 AM CDTFlash Flood WarningEAXWyandotte3 hr
Jun 23, 5:54 AM CDTFlash Flood WarningEAXJohnson3 hr
Jun 23, 5:54 AM CDTSevere Thunderstorm WarningEAXJohnson, Wyandotte3 hr
Jun 23, 12:36 AM CDTSevere Thunderstorm WarningEAXHenry39 min
Jun 23, 1:31 AM CDTSevere Thunderstorm WarningEAXHenry44 min
Jun 23, 3:59 AM CDTSevere Thunderstorm WarningEAXClay, Jackson61 min
Jun 23, 4:49 AM CDTSevere Thunderstorm WarningEAXLafayette41 min
Jun 23, 5:10 AM CDTSevere Thunderstorm WarningEAXCarroll, Saline50 min
Jun 23, 5:40 AM CDTSevere Thunderstorm WarningEAXChariton50 min
Jun 23, 5:54 AM CDTSevere Thunderstorm WarningEAXPlatte3 hr

Nearby

Flash Flood Warnings in Kansas, 1998Flash Flood Warnings in Missouri, 1998Every flash flood 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; the sounding from the Mesonet's radiosonde archive.