Alert archive / Missouri / Flash Flood Warnings in 1989
Flash Flood Warning 7, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Sep 8, 1989, 3:41 PM CDT for Wyandotte County, Kansas; Clay County, Platte County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 8, 1989, 3:41 PM CDT (20:41 UTC)
- Expired
- Sep 8, 1989, 6:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Wyandotte 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 12:00Z, 8.7 hours before the alert went out and 90 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
- 1298 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1060 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 082043
FFWMCI
KSC209-MOC165-047-082345-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
341 PM CDT FRI SEP 8 1989
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE NTIL 645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL KANSAS
...WYANDOTTE
IN NORTHWEST MISSOURI
...SOUTHERN PLATTE
IN WEST CENTRAL MISSOURI
...CLAY
HEAVY RAINS CONTINUE TO MOVE INTO NORTHERN PORTIONS OF THE KANSAS CITY
METRO AREA. FLOODING HAS ALREADY OCCURRED IN EASTERN PORTIONS OF
WYANDOTTE COUNTY KANSAS AS WELL AS SOUTHERN PLATTE AND CLAY COUNTIES
MISSOURI.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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.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 8, 2:58 PM CDT, 43 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, 3 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
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.