Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 28, NWS Kansas City, MO

May 26, 1990Henry County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 26, 1990, 2:41 AM CDT for Henry County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 26, 1990, 2:41 AM CDT (07:41 UTC)
Expired
May 26, 1990, 6:45 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Henry County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 7.7 hours before the alert went out and 165 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, Springfield, MO at 00:00Z on 1990-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3283 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, Springfield, MO at 00:00Z on 1990-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
3283 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 260741
FFWMCI
MOC083-261145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO
241 AM CDT SAT MAY 26 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 645 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE WEST CENTRAL PART OF MISSOURI
      HENRY

AT 230 AM CDT THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED TO MOVE
ACROSS HENRY COUNTY.  CLINTON POLICE REPORTED GENERALIZED FLOODING.

A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS.  IF FLASH FLOODING IS OBSERVED...
ACT QWUICKLY.  MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

What forecasters said that day

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

In the hours before

Special weather statement, May 26, 12:10 AM CDT, 2 hours 31 minutes before
MOZ008-260530

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1205 AM CDT SAT MAY 26 1990

AT 1200 AM...SEVERE THUNDERSTORM WATCH NUMBER 319 THAT INCLUDED THE
KANSAS CITY AND ST. JOSEPH METROPOLITAN AREAS WAS CANCELED.  WATCH
NUMBER 319 WAS REPLACED BY SEVERE THUNDERSTORM WATCH NUMBER 320
WHICH COVERS MUCH OF EASTCENTRAL AND SOUTHEAST KANSAS...BUT DOES
NOT INCLUDE THE ST. JOSEPH OR KANSAS CITY METROPOLITAN AREAS.

A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR KANSAS CITY AND
SURROUNDING AREAS AS SOME HEAVY STORMS MAY PERSIST IN THE AREA.
Local storm report, May 26, 12:27 AM CDT, 2 hours 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1227 AM CDT SAT MAY 26 1990

SEVERE WEATHER EVENTS FOR FRIDAY EVENING 5/25/90

TIME           EVENT                    LOCATION
640 PM CDT     GOLF BALL SIZE HAIL      4 MILES WEST OF WARRENSBURG
                                        IN JOHNSON COUNTY MO.
643 PM CDT     GOLF BALL SIZE HAIL      IN WARRENSBURG...JOHNSON CO.
752 PM CDT     1/2 INCH HAIL            12 MILES SOUTH OF WARRENSBURG
                                        IN JOHNSON COUNTY MO.
815 PM CDT     FLOODING                 IN AND AROUND WARRENSBURG...
                                        JOHNSON COUNTY MO.
1028 PM CDT    1/2 INCH HAIL            NEAR EDGERTON IN JOHNSON
                                        COUNTY KANSAS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 9:29 PM CDTSevere Thunderstorm WarningEAXMaries, Pulaski46 min
May 25, 10:12 PM CDTFlash Flood WarningEAXCass, Johnson108 min
May 25, 10:40 PM CDTSevere Thunderstorm WarningEAXJackson35 min
May 25, 11:11 PM CDTFlash Flood WarningEAXCamden, Morgan3 hr
May 25, 11:11 PM CDTFlash Flood WarningEAXCole3 hr
May 26, 2:36 AM CDTFlash Flood WarningEAXMorgan2 hr

Nearby

Flash Flood Warnings in Missouri, 1990Every flash flood warning in 1990

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.