Alert archive / Missouri / Flash Flood Warnings in 1989
Flash Flood Warning 8, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Sep 8, 1989, 8:15 PM CDT for Clay County, Platte County, Missouri; Leavenworth County, Kansas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 8, 1989, 8:15 PM CDT (01:15 UTC)
- Expired
- Sep 8, 1989, 11:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Leavenworth County, KS, Clay County, MO, Platte 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 00:00Z, 1.3 hours before the alert went out and 84 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
- 794 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 964 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 457 m²/s²
- 0-3 km storm-relative helicity
- 592 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 19.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 090115 RRA
FFWMCI
KSC103-MOC047-165-090415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO
815 PM CDT FRI SEP 8 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHEAST PART OF KANSAS
LEAVENWORTH...
IN THE NORTHWEST PART OF MISSOURI
CLAY...PLATTE...
AT 815 PM CDT THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING
NORTHEAST ACROSS LEAVENWORTH COUNTY KANSAS AND PLATTE COUNTY
MISSOURI. THESE HAVE PRODUCED RAINFALL TOTALS IN EXCESS OF
TWO INCHES OVER AREAS THAT RECIEVED EXCESSIVE RAINFALL EARLIER
THIS AFTERNOON. THERE HAVE BEEN REPORTS OF STREET CLOSINGS
WITH WATER UP TO TWO FEET DEEP RUSHING ACROSS ROADWAYS. THESE
STORMS ARE PROJECTED TO MOVE ACROSS CLAY COUNTY MISSOURI AS WELL.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT. IT IS IMPORTANT TO
KONOW WHERE YOU ARE IN RELATION TO STREAMS...RIVERS...OR CREEKS THAT
CAN BECOME DEADLY WHEN SWOLLEN BY HEAVY RAIN. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS WHEN HEAVY RAIN THREATENS.
P/CJS/LHWhat 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 8, 2:58 PM CDT, 5 hours 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 255 PM CDT FRI SEP 8 1989 FLASH FLOOD WATCH FOR NORTHWEST MISSOURI THE REMAINDER OF THIS AFTERNOON... THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE ACROSS NORTHWEST MISSOURI ...NORTHEAST KANSAS...AND SOUTHWEST IOWA AT 255 PM. THE HEAVIEST STORMS WERE LOCATED FROM TOPEKA KANSAS EASTWARD THROUGH THE KANSAS CITY METROPOLITAN AREA...TO NEAR MOBERLY MISSOURI...LOCATED APPROXIMATELY 100 MILES EAST OF KANSAS CITY. THESE THUNDERSTORMS ARE MOVING EAST AT 25 MPH. THIS EASTWARD MOVING LINE OF THUNDERSTORMS IS PRODUCING HEAVY RAIN AT TOPEKA AND AT THE KANSAS CITY INTERNATIONAL AIRPORT AT 230 PM. VISIBILITIES ARE LOWERING TO LESS THAN 1/2 MILE IN THE HEAVY RAIN AND PONDING OF WATER IN LOWLYING AREAS AND ROADWAYS IS LIKELY. MOTORISTS SHOULD EXERCISE CAUTION IN TRAVEL AND REMEMBER TO NOT DRIVE THROUGH RUSHING WATER. SCATTERED THUNDERSTORMS CONTINUE OVER EXTREME NORTHWEST MISSOURI IN THE MARYVILLE AREA. THIS AREA IS BEING WATCHED VERY CLOSELY FOR THE POTENTIAL OF FLASH FLOODING. PERSONS ALONG THE 102 RIVER SHOULD BE PREPARED TO MOVE TO HIGHER GROUND AS REPORTS OF WATER OVER ROADWAYS HAS BEEN REPORTED IN NODAWAY AND NORTHERN ANDREWS COUNTIES. AT 245 PM THE RIVER GAGE AT MARYVILLE READ 12.43 WITH FLOOD STAGE AT 14 FEET. THE 102 RIVER HAS BEEN RUNNING AT BANK FULL AT ARKOE MISSOURI... ABOUT 60 MILES NORTH OF KANSAS CITY SINCE 110PM. THERE HAVE BEEN REPORTS OF SCHOOL CLOSINGS IN NORTHERN ANDREWS COUNTY DUE TO HIGH WATER HAMPERING BUS TRAVEL. RAINFALL IS EXPECTED TO CONTINUE OVER THE AREA OF NORTHWEST MISSOURI...NORTHEAST KANSAS...AND SOUTHWEST IOWA FOR THE NEXT SEVERAL HOURS. CONTINUE TO MONITOR NOAA WEATHER RADIO FOR THE LATEST WEATHER UPDATES. POOLE
Special weather statement, Sep 8, 3:38 PM CDT, 4 hours 37 minutes before
RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 340 PM CDT SEP 8 1989 ...FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS... AT 325 PM CDT...THUNDERSTORMS SOME WITH HEAVY RAIN WERE SCATTERED FROM EASTERN KANSAS INTO NORTHWEST AND CENTRAL MISSOURI. THUNDERSTORMS WITH VERY HEAVY RAIN WERE FROM JUST EAST OF TOPEKA KANSAS TO 20 MILES SOUTHWEST OF LEAVENWORTH KANSAS TO 35 MILES EAST OF KANSAS CITY MISSOURI. OTHER SHOWERS AND THUNDERSTORMS WERE OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. AMIS
Special weather statement, Sep 8, 4:38 PM CDT, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 435 PM CDT SEP 8 1989 ...FLASH FLOOD WARNINGS IN EFFECT FOR SOUTHERN PLATTE...CLAY AND WYANDOTTE COUNTIES IN THE KANSAS CITY AREA UNTIL 645 PM... ...FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS... AT 425 PM CDT...THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM EASTCENTRAL KANSAS THRU WESTCENTRAL MISSOURI. THE STRONGEST STORM WITH VERY HEAVY RAIN WAS 20 MILES SOUTH OF KANSAS CITY. THESE STORMS WERE PART OF A LARGE AREA OF SCATTERED SHOWERS AN THUNDERSTORMS OVER EASTCENTRAL AND NORTHEAST KANSAS...SOUTHEAST NEBRASKA...S"OUTHERN IOWA AND THE NORTH HALF OF MISSOURI. THE SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 25 MILES AN HOUR.
Special weather statement, Sep 8, 5:34 PM CDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 535 PM CDT SEP 8 1989 ...FLASH FLOOD WARNINGS IN EFFECT FOR SOUTHERN PLATTE...CLAY AND WYANDOTTE COUNTIES IN THE KANSAS CITY AREA UNTIL 645 PM... ...FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS... AT 525 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED FROM EASTCENTRAL KANSAS THRU WESTCENTRAL...TO CENTRAL MISSOURI. THE STORNGEST STORM...PRODUCING BRIEF VERY HEAVY RAIN AND 1/4 INCH HAIL...WAS 5 MILES SOUTHWEST OF TOPEKA KANSAS. THESE STORMS WERE PART OF A LARGE AREA OF SCATTERED SHOWERS AN THUNDERSTORMS OVER EASJTCENTRAL AND NORTHEAST KANSAS...SOUTHEAST NEBRASKA...SOUTHERN IOWA AND THE NORTH HALF OF MISSOURI. THE SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE EAST...NORTHEAST AT 25 MPH.
Special weather statement, Sep 8, 6:37 PM CDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 635 PM CDT SEP 8 1989 ...FLASH FLOOD WARNINGS IN EFFECT FOR SOUTHERN PLATTE...CLAY AND WYANDOTTE COUNTIES IN THE KANSAS CITY AREA UNTIL 645 PM... ...FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS... AT 630 PM CDT...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH VERY HEAVY RAIN...WERE OCCURRING OVER NORTHEAST KANSAS...SOUTHEAST NEBRASKA...SOUTHWEST IOWA AND THE NORTHERN HALF OF MISSOURI. THE STRONGEST AND MOST NUMEROUS STORMS WERE OVER NORTHEAST KANSAS... BETWEEN TOPEKA AND KANSAS CITY. THE STRONGEST STORM WAS 10 MILES EAST NORTHEAST OF TOPEKA KANSAS. THE SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 25 MPH.
Special weather statement, Sep 8, 7:40 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 735 PM CDT SEP 8 1989 ...SEVERE THUNDERSTORM WARNING UNTIL 815 PM CDT FOR EASTERN LEAVENWORTH COUNTY KANSAS AND ALL OF PLATTE COUNTY MISSOURI... ...FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS... AT 730 PM CDT...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH VERY HEAVY RAIN AND HAIL...WERE OCCURRING OVER NORTHEAST KANSAS... SOUTHEAST NEBRASKA...SOUTHWEST IOWA AND THE NORTHERN HALF OF MISSOURI. AT 715 PM ONE AND ONE-HALF INCH HAIL WAS REPORTED ABOUT 10 MILES SOUTH OF LEAVENWORTH KANSAS AND STREET FLOODING WAS OCCURRING IN LANSING KANSAS. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH AND PASSING OVER GROUND NEARLY SATURATED FROM HEAVY RAINFALL EARLIER IN THE DAY. SOME FLOODING IN FLOOD PRONE AREAS CAN BE EXPECTED AS THESE STORMS PASS.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 7:24 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 51 min |
| Sep 8, 9:11 PM CDT | Flash Flood Warning | EAX | Andrew, Nodaway | 5 hr |
| Sep 8, 11:15 PM CDT | Flash Flood Warning | EAX | Clay, Platte | 3 hr |
| Sep 9, 4:13 AM CDT | Flash Flood Warning | EAX | Platte | 57 min |
| Sep 9, 4:13 AM CDT | Flash Flood Warning | EAX | Clay, Clinton | 57 min |
Nearby
Flash Flood Warnings in Missouri, 1989Flash Flood Warnings in Kansas, 1989Every flash flood warning in 1989
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.