Alert archive / Kansas / Flash Flood Warnings in 1986
Flash Flood Warning 8, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Sep 22, 1986, 9:52 PM CDT for Johnson County, Leavenworth County, Wyandotte County, Kansas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 22, 1986, 9:52 PM CDT (02:52 UTC)
- Expired
- Sep 23, 1986, 2:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Johnson County, KS, Leavenworth County, KS, Wyandotte 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, 2.9 hours before the alert went out and 67 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.
- Mixed-layer CAPE
- 1534 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 21.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMCI 230252 FFWMCI MOC095-037-KSC091-103-209-230700- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO 952 PM CDT MON SEP 22 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL MISSOURI...JACKSON AND NORTHERN CASS EAST CENTRAL KANSAS...NORTHERN JOHNSON...SOUTHERN LEAVENWORTH AND WYANDOTTE 6 AT 945 PM CDT HEAVY RAIN WAS INDICATED BY RADAR JUST TO WEST OF THE SOUTHERN PORTIONS OF THE METRO AREA. THIS RAIN WILL BE ENTERING THE SOUTHERN PORTIONS OF THE METRO AREA BY 1015PM CDT.
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, Sep 22, 5:57 PM CDT, 3 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 550 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM FOR DONIPHAN COUNTY KANSAS. INTENSE THUNDERSTORMS COVERED DONIPHAN COUNTY KANSAS..AND SOUTHERN HOLT AND WESTERN BUCHANAN COUNTIES IN MISSOURI. ALTHOUGH SEVERE WEATHER HAS NOT BEEN REPORTED..THE POTENTIAL CONTINUES TO EXIST. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN WHICH COULD CAUSE RAPID FLOODING OF CREEKS..STREAMS..AND LOW LYING URBAN AREAS. DO NOT ATTEMPT T*O WALK OR DRIVE THRU MOVING OR RISING WATER. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 35 MILES AN HOUR AND SHOULD CONTINUE IN THE ST. JOSEPH FOR THE NEXT HOUR.
Special weather statement, Sep 22, 6:35 PM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 630 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... AT 630 PM CDT..ALTHOUGH THE SEVERE THUNDERSTORM WARNING FOR DONIPHAN COUNTY KANSAS IS NO LONGER IN EFFECT..INTENSE THUNDERSTORMS CONTINUED TO COVER EXTREME NORTHEAST KANSAS AND PORTIONS OF NORTHWEST MISSOURI. IN KANSAS..THE STRONGEST STORMS WERE LOCATED OVER ATCHISON AND DONIPHAN COUNTIES..AND IN MISSOURI THE MOST INTENSE ACTIVITY WAS IN BUCHANAN COUNTY. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN WHICH COULD CAUSE RAPID FLGOODING OF CREEKS..STREAMS..AND LOW LYING URBAN AREAS. DO NOT ATTEMPT TO WALK OR DRIVE THRU MOVING OR RISING WATER. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 35 MILES AN HOUR.
Special weather statement, Sep 22, 7:18 PM CDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 715 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... AT 700 PM CDT..A LINE OF STRONG THUNDERSTORMS WAS FROM NEAR KIRKSVILLE MISSOURI SOUTHWESTWARD TO THE NORTH EDGE OF THE KANSAS CITY METRO TO ABOUT 25 MILES NORTH OF TOPEKA KANSAS. THE STRONGEST STORMS WERE LOCATED NEAR PALO MISSOURI WHICH IS ABOUT 30 MILES NORTHEAST OF KANSAS CITY. ALL OF THE STORMS WERE MOVING TOWARD THE EASTSOUTHEAST AT ABOUT 20 MPH. THESE THUNDERSTORMS WERE BRINGING MODERATE TO HEAVY RAIN TO THE NORTHERN PORToIONS OF THE KANSAS CITY METRO AREA. AS THESE STORMS MOVE SOUTH INTO METRO AREA NORTH OF THE MISSOURI...LOW LYING AREAS COULD BECOME COVERED WITH WATER DUE TO HEAVY RAINS. MOTORISTS ARE CAUTIONED NOT TO DRIVE THROUGH WATER COVERED ROADS.
Special weather statement, Sep 22, 7:44 PM CDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 730 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN MISSOURI... UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... AT 730 PM CDT..AN AREA OF STRONG THUNDERSTORMS EXTENDED FROM KIRKSVILLE MISSOURI SOUTHWESTWARD THRU KANSAS CITY TO JUST NORTH OF TOPEKA. ONE OF THE STRONGEST STORMS WAS LOCATED ABOUT 15 MILES NORTHWEST OF THE KANSAS CITY INTERNATIONAL AIRPORT..AND ANOTHER WAS ABOUT 10 MILES EAST OF PATTONSBURG IN CALDWELL COUNTY MISSOURI. THESE THUNDERSTORMS WERE BRINGING MODERATE TO HEAVY RAIN TO THE NORTHERN PORTIONS OF THE KANSAS CITY METRO AREA..THE INTERNATIONAL AIRPORT RECEIVED NEARLY ONE INCH OF RAIN IN A 20 MINUTE PERIOD. LOW LYING AREAS COULD BECOME COVERED WITH WATER DUE TO THE HEAVY RAINS. MOTORISTS ARE CAUTIONED NOT TO DRIVE THROUGH WATER COVERED STREETS. MOVEMENT WAS TOWARD THE SOUTHEAST AT 20 MILES AN HOUR.
Special weather statement, Sep 22, 8:42 PM CDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 830 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHCENTRAL AND NORTHEAST MISSOURI UNTIL 10 PM CDT... THE SEVERE THUNDERSTORMS WATCH WHICH WAS ISSUED LATE MONDAY AFTERNOON IS NO LONGER IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHWEST MISSOURI. AT 830 PM...A BAND OF NUMEROUS THUNDERSTORMS...SOME CONTAINING VERY HEAVY RAIN...EXTENDED FROM NORTHEAST KANSAS INTO NORTHEAST MISSOURI. THE BAND OF THUNDERSTORMS WAS 60 TO 80 MILES WIDE AND EXTENDED FROM 80 MILES WEST OF TOPKEA KANSAS THROUGH KANSAS CITY INTO THE EXTREME NORTHEAST CORNER OF MISSOURI. SOME FLOODNG OF SMALLER STREAMS AND IN LOW LYING AREAS IS LIKELY. AND MOTORIST ARE CAUTIONED NOT TO DRIVE THROUGH ROADS COVERED WITH WATER. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR.
Special weather statement, Sep 22, 9:45 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 930 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHCENTRAL AND NORTHEAST MISSOURI UNTIL 10 PM CDT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR WESTCENTRAL...NORTHCENTRAL AND NORTHEAST MISSOURI FOR TONIGHT... AT 930 PM...A LARGE AREA OF NUMEROUS THUNDERSTORMS...SOME CONTAINING VERY HEAVY RAIN...WAS IN EAST KANSAS...AND FROM WESTCENTRAL INTO CENTRAL AND NORTHEAST MISSOURI. THE THUNDERSTORMS WITH THE HEAVIEST RAINS WERE IN A BAND...40 MILES WIDE...AND EXTENDED FROM JUST EAST OF TOPEKA KANSAS THROUGH KANSAS CITY TO JUST NORTH OF COLUMBIA MISSOURI. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR. NUMEROUS REPORTS OF STREET FLOODING HAS BEEN REPORTED OVER THE SOUTHERN HALF OF THE KANSAS CITY METROPOLITAN AREA...MAINLY SOUTH OF THE RIVER. PERSONS SHOULD USE EXTREME CAUTION...DO NOT2 WALK OR DRIVE THROUGH FLOWING WATER. KEEP TUNED FOR ADDITONAL ADVISORIES OR WARNINGS.
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.