Alert archive / Missouri / Flash Flood Warnings in 1998

Flash Flood Warning 9, NWS Kansas City, MO

June 20, 1998Cooper County, Howard County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 20, 1998, 11:13 AM CDT for Cooper County, Howard County, Missouri. It was in force for 4 hr. 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 20, 1998, 11:13 AM CDT (16:13 UTC)
Expired
Jun 20, 1998, 3:15 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Cooper County, MO, Howard County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 4.2 hours before the alert went out and 249 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 1998-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2555 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 1998-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
2555 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 201611
FFWMCI
MOC053-089-202015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1113 AM CDT SAT JUN 20 1998


* URBAN AND SMALL STREAM FLOOD WARNING FOR
    COOPER COUNTY - CENTRAL MISSOURI
    HOWARD COUNTY - CENTRAL MISSOURI

* UNTIL 315 PM CDT

* SOME STREAMS AND RIVERS AFFECTED
    PONDING OF WATER ON ROADWAYS AND FLOODING OF LOW LYING AREAS
WHERE
    URBAN DRAINAGE SYSTEMS ARE OVERWELMED AND SMALL STREAMS AND
CREEKS.


* CAUSE AND EFFECT
NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES MORE THAN FIVE
INCHES OF RAIN HAVE FALLEN OVER THE AREA OVERNIGHT AND THIS MORNING.

* FORECAST CONDITIONS
MORE THUNDERSTdORMS WILL MOVE SLOWLY OVER THE AREA THIS AFTERNOON.
THESE STORMS MAY ADD UP TO THREE INCHES OF ADDITIONAL RAINFALL.

DON'T DRIVE ACROSS FLOODED ROADS!  MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

$$
JHV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:27 PM CDTSevere Thunderstorm WarningEAXCass48 min
Jun 19, 10:12 PM CDTSevere Thunderstorm WarningEAXCooper48 min
Jun 19, 10:45 PM CDTSevere Thunderstorm WarningEAXCass45 min
Jun 19, 11:06 PM CDTSevere Thunderstorm WarningEAXBates39 min
Jun 19, 11:34 PM CDTSevere Thunderstorm WarningEAXHenry41 min
Jun 19, 11:50 PM CDTSevere Thunderstorm WarningEAXBates40 min
Jun 20, 12:06 AM CDTSevere Thunderstorm WarningEAXChariton, Randolph39 min
Jun 20, 12:14 AM CDTSevere Thunderstorm WarningEAXHenry26 min
Jun 20, 12:33 AM CDTSevere Thunderstorm WarningEAXPettis42 min
Jun 20, 12:45 AM CDTSevere Thunderstorm WarningEAXRandolph45 min
Jun 20, 2:52 AM CDTSevere Thunderstorm WarningEAXCarroll, Lafayette38 min
Jun 20, 3:28 AM CDTSevere Thunderstorm WarningEAXCarroll47 min
Jun 20, 5:52 AM CDTSevere Thunderstorm WarningEAXHarrison38 min
Jun 20, 7:31 AM CDTSevere Thunderstorm WarningEAXHoward44 min
Jun 20, 7:57 AM CDTSevere Thunderstorm WarningEAXLinn48 min
Jun 20, 10:14 AM CDTSevere Thunderstorm WarningEAXJohnson46 min
Jun 20, 10:32 AM CDTFlash Flood WarningEAXJohnson, Pettis5 hr
Jun 20, 10:42 AM CDTSevere Thunderstorm WarningEAXPettis48 min
Jun 20, 6:05 PM CDTTornado WarningEAXHolt40 min

Nearby

Flash 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.