Alert archive / Missouri / Flash Flood Warnings in 1990
Flash Flood Warning 29, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jun 6, 1990, 8:28 AM CDT for Clay County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1990, 8:28 AM CDT (13:28 UTC)
- Expired
- Jun 6, 1990, 11:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Clay 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, 1.5 hours before the alert went out and 111 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
- 2324 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 8.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 061328
FFWMCI
MOC047-061630-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO
828 AM CDT WED JUN 6 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1130 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTHWEST PART OF MISSOURI
NORTHERN CLAY
IN EXCESS OF 4 INCHES OF RAIN HAD FALLEN IN NORTHERN CLAY COUNTY
AND AN ADDITIONAL 2 INCHES OF RAIN IS POSSIBLE DURING THE NEXT
FEW HOURS.
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.
CJS/RAH/LTH/GGWhat 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 6, 5:18 AM CDT, 3 hours 10 minutes before
MOZ008-005-061100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 515 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST MISSOURI AND NORTHEAST KANSAS UNTIL 900 AM CDT... AT 505 AM...RADAR INDICATED A THUNDERSTORM...PRODUCING VERY HEAVY RAIN...OVER EXTREME NORTHEAST CLAY COUNTY AND NORTHWEST RAY COUNTY... IN WESTCENTRAL MISSOURI. THIS STORM HAS SHOWN LITTLE MOVEMENT DURING THE PAST SEVERAL HOURS AND SOME FLOODING IS LIKELY IN THESE COUNTIES. THE COMMUNITIES OF LAWSON...VIBBARD AND UNION IN RAY COUNTY SHOULD BE RECIEVING VERY HEAVY RAIN. PERSONS IN FLOOD PRONE AREAS AND MOTORISTS SHOULD BE VERY CAREFUL. DO NOT ATTEMPT TO CROSS MOVING WATER...EITHER ON FOOT OR IN A VEHICLE. LYING AREAS IS POSSIBLE WITH THESE STORMS. MOTORISTS SHOULD USE CAUTION. OTHER SHOWERS WERE LOCATED OVER THE SOUTHEAST CORNER OF NEBRASKA... AND ALONG THE MISSOURI-IOWA BORDER NORzTH OF MARYVILLE MISSOURI. MOVEMENT OF ALL SHOWERS AND THUNDERSTORMS WAS EAST AT 45 MILES AN HOUR. LONGNECKER
Special weather statement, Jun 6, 5:20 AM CDT, 3 hours 8 minutes before
MOZ008-005-061100- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 519 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST MISSOURI AND NORTHEAST KANSAS UNTIL 900 AM CDT... AT 505 AM...RADAR INDICATED A THUNDERSTORM...PRODUCING VERY HEAVY RAIN...OVER EXTREME NORTHEAST CLAY COUNTY AND NORTHWEST RAY COUNTY... IN WESTCENTRAL MISSOURI. THIS STORM HAS SHOWN LITTLE MOVEMENT DURING THE PAST SEVERAL HOURS AND SOME FLOODING IS LIKELY IN THESE COUNTIES. THE COMMUNITIES OF LAWSON...VIBBARD AND UNION IN RAY COUNTY SHOULD BE RECIEVING VERY HEAVY RAIN. PERSONS IN FLOOD PRONE AREAS AND MOTORISTS SHOULD BE VERY CAREFUL. DO NOT ATTEMPT TO CROSS MOVING WATER...EITHER ON FOOT OR IN A VEHICLE. LYING AREAS IS POSSIBLE WITH THESE STORMS. MOTORISTS SHOULD USE CAUTION.
Special weather statement, Jun 6, 5:21 AM CDT, 3 hours 7 minutes before
MOZ008-005-061100- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 521 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST MISSOURI AND NORTHEAST KANSAS UNTIL 900 AM CDT... AT 505 AM...RADAR INDICATED A THUNDERSTORM...PRODUCING VERY HEAVY RAIN...OVER EXTREME NORTHEAST CLAY COUNTY AND NORTHWEST RAY COUNTY... IN WESTCENTRAL MISSOURI. THIS STORM HAS SHOWN LITTLE MOVEMENT DURING THE PAST SEVERAL HOURS AND SOME FLOODING IS LIKELY IN THESE COUNTIES. THE COMMUNITIES OF LAWSON...VIBBARD AND UNION IN RAY COUNTY SHOULD BE RECIEVING VERY HEAVY RAIN. PERSONS IN FLOOD PRONE AREAS AND MOTORISTS SHOULD BE VERY CAREFUL. DO NOT ATTEMPT TO CROSS MOVING WATER...EITHER ON FOOT OR IN A VEHICLE.
Special weather statement, Jun 6, 6:56 AM CDT, 1 hour 32 minutes before
MOZ008-061245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 655 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST KANSAS AND FOR MUCH OF NORTHERN MISSOURI UNTIL 12 NOON CDT... AT 630 AM... SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER PARTS OF NORTHEAST KANSAS AND OVER MUCH OF NORTHERN MISSOURI. THIS ACTIVITY WAS LOCATED NORTHEAST OF A LINE FROM CONCORDIA KANSAS THROUGH TOPEKA TO THE LAKE OF THE OZARKS AREA IN CENTRAL MISSOURI. THE HEAVIEST STORMS WERE LOCATED OVER MARSHALL COUNTY IN NORTHEAST KANSAS... 25 MILES NORTH OF ST JOSEPH MISSOURI NEAR OREGON... AND 50 MILES NORTHEAST OF KANSAS CITY NEAR CHILLICOTHE MISSOURI. THESE STORMS HAVE A HISTORY OF PRODUCING LOCALLY HEAVY RAINFALL... AS WELL AS HAIL RANGING UP TO GOLF BALL SIZE. IF YOU ARE PLANNING TRAVEL THIS MORNING... YOU SHOULD USE EXTRA CAUTION AND DO NOT ATTEMPT TO DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LONGNECKER
Special weather statement, Jun 6, 7:47 AM CDT, 41 minutes before
MOZ008-061345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 745 AM CDT WED JUN 6 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST KANSAS AND FOR MUCH OF NORTHERN MISSOURI UNTIL 12 NOON CDT... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI UNTIL 12 NOON CDT... AT 730 AM... SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN... WERE OVER PARTS OF EXTREME NORTHEAST KANSAS AND OVER MUCH OF NORTHERN MISSOURI. THIS ACTIVITY WAS LOCATED NORTH OF A LINE FROM MANHATTAN KANSAS THROUGH KANSAS CITY TO THE LAKE OF THE OZARKS AREA IN CENTRAL MISSOURI. THE HEAVIEST STORMS WERE LOCATED 50 MILES NORTH OF TOPEKA NEAR FAIRVIEW KANSAS... AND 35 MILES EAST OF KANSAS CITY NEAR LEXINGTON MISSOURI. THESE THUNDERSTORMS HAVE PRODUCED LOCALLY HEAVY RAINFALL IN MANY AREAS OF NORTHWEST MISSOURI THIS MORNING... AND HAVE PRODUDED MINOR FLOODING ON SOME AREA ROADWAYS. IF YOU ARE PLANNING TRAVEL THIS MORNING... YOU SHOULD USE EXTRA CAUTION AND DO NOT ATTEMPT TO DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LONGNECKER
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 5:43 AM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Ray | 47 min |
| Jun 6, 6:11 AM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt | 34 min |
| Jun 6, 8:32 AM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 33 min |
| Jun 6, 8:56 AM CDT | Severe Thunderstorm Warning | EAX | Jackson, Ray | 49 min |
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.