Alert archive / Kansas / Flash Flood Warnings in 1986

Flash Flood Warning 2, NWS Kansas City, MO

July 6, 1986Leavenworth County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jul 6, 1986, 9:24 PM CDT for Leavenworth County, Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 6, 1986, 9:24 PM CDT (02:24 UTC)
Expired
Jul 7, 1986, 1:00 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Leavenworth County, KS

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 00:00Z, 2.4 hours before the alert went out and 56 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 1986-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 469 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 00:00Z on 1986-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
469 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 070224
FFWMCI
KSC103-070600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO
924 PM CDT SUN JUL 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTHEAST KANSAS...LEAVENWORTH

AT 910 PM CDT VERY HEAVY RAINS WERE OCCURRING IN LEAVENWORTH
KANSAS.

BE ALERT FOR RAPIDLY RISING WATER.  STAY AWAY FROM FLOODING CREEKS..
STREAMS AND STORM DRAINS.  DO NOT ATTEMPT TO WALK OR DRIVE THROUGH
FLOWING WATER.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.

 LEAVENWORTH KANSAS HAS RECEIVED NEARLY 11 INCHES OF RAIN SO FAR
 TODAY.  DURING THE PAST 90 MINUTES ALMOST 3 INCHES OF RAIN
 HAS FALLEN IN THE CITY OF LEAVENWORTH.  THIS RAIN HAS FALLEN
 ON SATURATED GROUND AND RUNOFF WILL BE VERY HIGH.  THIS
 HEAVY RAIN SHOULD CONTINUE FOR THE NEXT HOUR.  STREAM WILL
 CONTINUE TO REACT TO yTHIS RECENT RAINFALL FOR THE NEXT 3 TO 5

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, Jul 6, 3:39 PM CDT, 5 hours 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
330 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR THIS
SUNDAY AFTERNOON AND TONIGHT...

AT 330 PM...AN AREA OF SHOWERS OR THUNDERSTORMS HAVE RETURNED TO THE
GREATER KANSAS CITY AND ST JOSEPH AREAS. A CLUSTER OF THUNDERSTORMS
SOME 35 MILES WEST SOUTHWEST OF TOPEKA KANSAS IS EXPECTED TO MOVE
INTO THE GREATER KANSAS CITY AREA WITH POSSIBLE HEAVY DOWNPOURS OF RAIN
BETWEEN 430 AND 500PM THIS SUNDAY AFTERNOON...CAUSING FLOODING IN THOSE
AREAS OF POOR DRAINAGE OR THOSE AREAS THAT ARE PRONCE TO FLOODING WHEN
HEAVY RAIN OCCURRS.

THE PRECIPITATION WAS MOVING TOWARD THE EAST NORTHEAST AT 25 MPH.
Special weather statement, Jul 6, 4:37 PM CDT, 4 hours 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
435 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR THIS
SUNDAY AFTERNOON AND TONIGHT...

AT 430 PM...SHOWERS AND SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY
RAIN..COVERED MUCH OF NORTHEAST KANSAS AND NORTHWEST MISSOURI.

STORMS PRODUCING HEAVIEST RAIN WERE SCATTERED TO THE EAST OF TOPEKA
KANSAS AND SHOULD MOVE ACROSS THE KANSAS CITY AREA..PARTICULARLY NORTH
OF THE RIVER..BETWEEN 530 AND 600 PM THIS AFTERNOON.  BRIEF PERIODS
OF VERY HEAVY RAIN MAY CAUSE FLOODING IN THOSE AREAS WITH POuOR
DRAINAGE OR THOSE AREAS THAT ARE PRONE TO FLOODING.

THE PRECIPITATION WAS MOVING TOWARD THE NORTHEAST AT 25 MPH.
Special weather statement, Jul 6, 5:33 PM CDT, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
535 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR THIS
SUNDAY AFTERNOON AND TONIGHT...

AT 530 PM...SHOWERS AND SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY
RAIN..COVERED MUCH OF NORTHEAST KANSAS AND NORTHWEST MISSOURI.

STORMS PRODUCING VERY HEAVY RAIN WERE SCATTERED TO THE WEST OF ST.
JOSEPH MISSOURI AND 25 MILES TO THE NORTHWEST AND NORTHEAST OF KANSAS
CITY.

THESE STORMS WERE MOVING TOWARD THE EAST..NORTHEAST AT 25 TO 30 MPH
AND AS THEY MOVE ACROSS AREAS THAT ARE ALREADY SATURATED FROM RAIN
RECIEVED EARLIER TODAY..FLOODING OF LOW LYING AREAS PRONE TO FLOODING
MAY OCCURR.  PERSONS IN OR TRAVELING THROUGH THE WATCH AREA SHOULD
BE ALERT TO THE POSSIBILITY OF HIGH OR RAPIDLY RISING WATER.
Special weather statement, Jul 6, 6:36 PM CDT, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
635 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR
                         TONIGHT...

AT 630 PM...SHOWERS AND SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY
RAIN..COVERED MUCH OF NORTHEAST KANSAS AND NORTHWEST MISSOURI.

STORMS PRODUCING VERY HEAVY RAIN WERE SCATTERED FROM TOPEKA KANSAS TO
EMPORIA KANSAS..AND OTHER STORMS WERE 30 MILES SOUTHEAST OF TOPEKA
KANSAS AND 35 MILES NORTHEAST OF KANSAS CITY.

THESE STORMS WERE MOVING TOWARD THE EAST..NORTHEAST AT 25 TO 30 MPH.
AS THEY MOVE ACROSS AREAS THAT ARE ALREADY SATURATED FROM RAIN
RECIEVED EARLIER TODAY..FLOODING OF LOW LYING AREAS AND AREAS PRONE
TO FLOODING MAY OCCURR.  PERSONS IN OR TRAVELING THROUGH THE WATCH
AREA SHOULD BE ALERT TO THE POSSIBILITY OF HIGH WATER.
Special weather statement, Jul 6, 7:36 PM CDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
735 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR
                         TONIGHT...

AT 730 PM...SHOWERS AND SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY
RAIN..COVERED MUCH OF NORTHEAST KANSAS AND NORTHWEST MISSOURI.

STORMS PRODUCING VERY HEAVY RAIN WERE SCATTERED FROM 30 MILES
SOUTHWEST OF ST. JOSEPH MISSOURI TO 50 MILES SOUTH OF TOPEKA KANSAS.

THESE STORMS WERE MOVING TOWARD THE EAST..NORTHEAST AT 25 TO 30 MPH
AND WILL BE MOVING INTO AND THROUGH THE KANSAS CITY AND ST. JOSEPH
AREAS BETWEEN 815 PM AND 915 PM TONIGHT.  MUCH OF THE GROUND IN THIS
AREA IS SATURATED WITH RIVERS AT OR NEAR BANKFULL.  PERSONS IN OR
TRAVELING THROUGH THESE AREAS SHOULD BE ALERT TO THE POSSIBLITY OF
HIGH OR RAPIDLY RISING WATER.
Special weather statement, Jul 6, 8:37 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
835 PM CDT SUN JUL 6 1986

. . .FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI
INCLUDING BOTH THE GREATER KANSAS CITY AND ST JOSEPH AREAS FOR
                         TONIGHT...

AT 830 PM...SHOWERS AND SCATTERED THUNDERSTORMS..SOME WITH VERY HEAVY
RAIN..COVERED MUCH OF EASTCENTRAL AND NORTHEAST KANSAS AND NORTHWEST
MISSOURI.

STORMS PRODUCING VERY HEAVY RAIN WERE SCATTERED FROM 20 MILES
NORTHWEST OF KANSAS CITY TO 25 MILES SOUTHWEST OF KANSAS CITY.
THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT 25 TO 30 MPH
AND WILL BE MOVING INTO AND THROUGH THE KANSAS CITY AREA BETWEEN
830 PM AND 945 PM TONIGHT.  MUCH OF THE GROUND IN THIS AREA IS
SATURATED FROM RAIN RECIEVED DURING THE DAY AND SOME RIVERS ARE AT
OR NEAR BANKFULL.  PERSONS IN..OR TRAVELING THROUGH THIS AREA SHOULD
SHOULD BE ALERT TO THE POSSIBLITY OF HIGH OR RIS\ING WATER.

Nearby

Flash Flood Warnings in Kansas, 1986Every flash flood warning in 1986

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.