Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 51, NWS Kansas City, MO

June 14, 1990Johnson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 14, 1990, 10:06 AM CDT for Johnson County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 1990, 10:06 AM CDT (15:06 UTC)
Expired
Jun 14, 1990, 1:00 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Johnson 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

Topeka, KS (KTOP), launched 12:00Z, 3.1 hours before the alert went out and 161 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 1990-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2161 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1990-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
2161 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 141507
FFWMCI
MOC101-141815-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1006 AM CDT THU JUN 14 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN WEST CENTRAL MISSOURI
          ...JOHNSON
 
AT 1000AM CDT...RAINFALL REPORTS FROM WARRENSBURG MISSOURI...LOCATED
60 MILES SOUTHEAST OF KANSAS CITY...HAVE INDICATED THAT 4.5 INCHES OF
RAIN HAS FALLEN ACROSS PORTIONS OF JOHNSON COUNTY SINCE 7AM.
 
FLASH FLOODING IS OCCURRING NOW AND HAS PROMPTED THE NEED FOR THE
EARLIER WARNING THAT WAS ISSUED UNTIL 103AM TO BE EXTENDED UNTIL
100PM.
 
REPORTS OF FLOODING HAVE INCLUDED ONE CAR SWEPT OFF THE ROAD NEAR
HOLDEN MISSOURI IN RUSHING WATER...MANY STREETS AND INTERSECTIONS
FLOODED WITH UP TO 1 FOOT OF WATER...ALL LOWLYING AREAS ARE
EXPERIENCING FLOODING...WITH MORE RAIN EXPECTED OVER THE SAME ALREADY
SATURATED AREA INTO THE EARLY AFTERNOON.
 
PERSONS IN AND NEAR BLACKWATER RIVER SHOULD BE ESPECIALLY CAREFUL AND
ALERT TO RAPIDLY RISING WATER LEVELS.  THIS IS A VERY DANGEROUS FLASH
FLOODING SITUATION.
 
A FLASH FLOOD WARNING MEANS THAT 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 UP TO HIGHER GROUND.
POOLE

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, Jun 14, 4:23 AM CDT, 5 hours 43 minutes before
MOZ004-008-141000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
415 AM CDT THU JUN 14 1990

...SEVERE THUNDERSTORM WATCH NUMBER 461 HAS BEEN CANCELLED
FOR THE KANSAS CITY AND ST. JOSEPH AREAS.

AT 415AM...STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS THE
METROPOLITAN AREAS OF ST. JOSEPH AND KANSAS CITY MISSOURI...BUT
NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY OF THESE STORMS SINCE
MIDNIGHT...THEREFORE PROMPTING THE CANCELLATION OF SEVERE THUNDERSTORM
WATCH NUMBER 461.

THUNDERSTORMS...WITH HEAVY RAIN ARE EXPECTED TO CONTINUE ACROSS
THE METROPOLITAN AREAS THROUGH 530AM. HEAVY RAIN COULD CAUSE
LOCALIZED FLOODING...ESPECIALLY IN THE ST. JOSEPH MISSOURI AREA...
BUT NO SEVERE WEATHER IS EXPECTED.
POOLE
THESE STORMS BETWEEN MIDNIGHT AND 330AM.

THE THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THE KANSAS CITY
METROPOLITAN AREA THROUGH 5AM. HEAVY DOWNPOURS OF RAIN COULD PRODUCE
LOCALIZED FLOODING...ESPECIALLY IN LOW LYING AREAS AND NEAR ZERO
VISIBILITY.

PERSONS SHOULD STAY INDOORS UNTIL THESE STORMS PASS THROUGH THE
AREA AS THEY ARE ALSO PRODUCING NEAR CONTINUOUS...DEADLY CLOUD
TO GROUND LIGHTNING.

POOLE
Special weather statement, Jun 14, 4:24 AM CDT, 5 hours 42 minutes before
MOZ004-008-141000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
415 AM CDT THU JUN 14 1990

...SEVERE THUNDERSTORM WATCH NUMBER 461 HAS BEEN CANCELLED
FOR THE KANSAS CITY AND ST. JOSEPH AREAS.

AT 415AM...STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS THE
METROPOLITAN AREAS OF ST. JOSEPH AND KANSAS CITY MISSOURI...BUT
NO SEVERE WEATHER HAS BEEN REPORTED WITH ANY OF THESE STORMS SINCE
MIDNIGHT...THEREFORE PROMPTING THE CANCELLATION OF SEVERE THUNDERSTORM
WATCH NUMBER 461.

THUNDERSTORMS...WITH HEAVY RAIN ARE EXPECTED TO CONTINUE ACROSS
THE METROPOLITAN AREAS THROUGH 530AM. HEAVY RAIN COULD CAUSE
LOCALIZED FLOODING...ESPECIALLY IN THE ST. JOSEPH MISSOURI AREA...
BUT NO SEVERE WEATHER IS EXPECTED.
POOLE
Special weather statement, Jun 14, 4:47 AM CDT, 5 hours 19 minutes before
MOZ004-008-141045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
430 AM CDT THU JUN 14 1990

AT 430 AM...AN AREA OF SHOWERS OR THUNDERSTORMS CONTINUED ACROSS
NORTHWEST MISSOURI AND A SMALL PART OF NORTHEAST KANSAS.

THE HEAVIEST PRECIPITATION WAS 25 MILES NORTHEAST OF TOPEKA AND
40 MILES NORTHEAST OF KANSAS CITY. SHOWERS OR THUNDERSTORMS ARE
EXPECTED TO END IN THE ST JOSEPH AREA DURING THE HOUR AND ACROSS THE
KANSAS CITY AREA FROM NORTHWEST TO SOUTHEAST AROUND 6AM THIS THURSDAY
MORNING. SO FAR KANSAS CITY INTERNATIONAL AIRPORT HAS RECIEVED ONE
HALF INCH/ .50 / OF RAIN.

THE STORMS WERE MOVING SOUTHEAST AT 35 MPH.
Special weather statement, Jun 14, 6:43 AM CDT, 3 hours 23 minutes before
MOZ004-008-141230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
645 AM CDT THU JUN 14 1990

AT 630 AM...SHOWERS AND THUNDERSTORMS ARE CLEARING THE METROPOLITAN
KANSAS CITY AREA...MOVING SOUTHEAST INTO CENTRAL MISSOURI. THUNDERSTORMS
BEGAN IN THE METROPOLITAN AREA AROUND 3AM PRODUCING /0.57/ INCH OF
RAIN AT THE INTERNATIONAL AIRPORT. /0.96/ INCH OF RAIN WAS REPORTED
3 MILES NORTHEAST OF KEARNEY MISSOURI BETWEEN 4AM AND 6AM.

HEAVIER RAINFALL TOTALS FELL OVER EXTREME NORTHWEST MISSOURI
IN AND AROUND THE MARYVILLE AREA...WHERE PRELIMINARY MORNING REPORTS
INDICATED TOTALS AT MARYVILLE OF /1.10/...BETHANY MISSOURI /1.43/...
AND AT POLO MISSOURI... /1.92/.

A BREAK IN THE THUNDERSTORMS IS EXPECTED DURING MID MORNING INTO THE
EARLY HALF OF THE AFTERNOON...WITH ANOTHER ROUND OF REDEVELOPMENT
EXPECTED LATER THIS AFTERNOON. THERE IS A CHANCE THAT SOME OF THESE
THUNDERSTORMS COULD BE SEVERE AND PRODUCgE HEAVY RAINFALL THAT MAY
CAUSE FLASH FLOODING. ESPECIALLY VULNERABLE TO FLASH FLOODING WILL
BE AREAS ACROSS EXTREME NORTHWEST MISSOURI...WHERE AN EXCESS OF
5 INCHES OF RAIN IS POSSIBLE BEFORE FRIDAY MORNING.

POOLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:48 AM CDTFlash Flood WarningEAXBenton, Hickory3 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.