Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 147, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Aug 12, 1993, 4:20 AM CDT for Lafayette County, Missouri. It was in force for 100 min.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1993, 4:20 AM CDT (09:20 UTC)
- Expired
- Aug 12, 1993, 6:00 AM CDT
- In force
- 100 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Lafayette County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 9.3 hours before the alert went out and 160 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
- 3832 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 682 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 16.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMCI 120920 FFWMCI MOC107-121315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 420 AM CDT THU AUG 12 1993 THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 815 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MISSOURI ...LAFAYETTE COUNTY AT 400AT 400 AM...STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINS CONTINUE TO MOVE ACROSS LAFAYETTE COUNTY OF MISSOURI. THE STORMS WERE MOMOVING EASTWARD ALONG I-70 TO NEAR COLUMBIA AND DUMPING HEAVY RAINS FROM 3 TO 8 INCHES. SHERRIFS OFFICE REPORTED ROADWAYS BEING COVER WITH MUD AND HIGH WATER ON HIGHWAY 24 AND HIGHWAY 65 NEAR WAVERLY. PERSONS ALL ACRSSS THE WARNED AREA ARE STRONGLY URGED TO BE ALERT FOR HIGH WATER...AND MOVE TO HIGHER GROUND...REMEMBER...DO NOT ATTEMPT TO DIRVE ACROSS FLOODED ROADWAYS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROATDWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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, Aug 12, 1:41 AM CDT, 2 hours 39 minutes before
MOZ-004-005-008-009-120745- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 135 AM CDT THU AUG 12 1993 ...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI... AT 130 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING OVER WESTCENTRAL...NORTHCENTRAL THROUGH CENTRAL MISSOURI. THE STORMS WERE EAST OF A LINE FROM TRENTON TO KANSAS CITY TO CLINTON. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS WHICH HAVE BEEN CAUSING LOCALIZED FLOODING OF LOW LYING AREAS AS THEY MOVE EAST AT 30 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS. MORGAN
Special weather statement, Aug 12, 2:35 AM CDT, 1 hour 45 minutes before
MOZ-004-005-008-009-120845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 235 AM CDT THU AUG 12 1993 ...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI... AT 230 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING OVER WESTCENTRAL...NORTHEAST THROUGH CENTRAL MISSOURI. THE STORMS WERE SOUTH OF A LINE FROM KIRKSVILLE TO KANSAS CITY. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS IN A SHORT PERIOD OF TIME. ADDITIONAL RAINFALL CAN BE EXPECTED IN CLAY... RAY AND CARROL COUNTIES AS THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE ACROSS THAT AREA AT 30 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS. MORGAN
Special weather statement, Aug 12, 2:39 AM CDT, 1 hour 41 minutes before
MOZ-004-005-008-009-120845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 235 AM CDT THU AUG 12 1993 ...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI... AT 230 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING OVER WESTCENTRAL...NORTHEAST THROUGH CENTRAL MISSOURI. THE STORMS WERE SOUTH OF A LINE FROM KIRKSVILLE TO KANSAS CITY. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS IN A SHORT PERIOD OF TIME. ADDITIONAL RAINFALL CAN BE EXPECTED IN CLAY... RAY AND CARROL COUNTIES AS THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE ACROSS THAT AREA AT 30 MPH. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS. MORGAN
Special weather statement, Aug 12, 3:30 AM CDT, 50 minutes before
MOZ-004-005-008-009-120945-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...COR...
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
330 AM CDT THU AUG 12 1993
...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI...
AT 320 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING
OVER WESTCENTRAL...CENTRAL AND SOUTHWEST MISSOURI AND SOUTHEAST KANSAS.
THE STORMS WERE SOUTH OF A LINE FROM CLARENCE TO 25 MILES EAST OF KANSAS
CITY. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS
IN A SHORT PERIOD OF TIME. ADDITIONAL RAINFALL CAN BE EXPECTED OVER RAY AND
CARROL COUNTIES AS THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE EAST-SOUTH
EAST ACRSS THAT AREA AT 30 MPH. A NEW DEVELOPED ISOLATED THUNDERSTORM WAS
OVER SOUTHEAST KANSAS...25 MILES NORTH OF CHANUTE..MOVEMENT UNKNOWN.
PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT
WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS.
...MORGAN...Special weather statement, Aug 12, 3:33 AM CDT, 47 minutes before
MOZ-004-005-008-009-120945-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
330 AM CDT THU AUG 12 1993
...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI...
AT 320 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING
OVER WESTCENTRAL...CENTRAL AND SOUTHWEST MISSOURI AND SOUTHEAST KANSAS.
THE STORMS WERE SOUTH OF A LINE FROM CLARENCE TO 25 MILES EAST OF KANSAS
CITY. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS
IN A SHORT PERIOD OF TIME. ADDITIONAL RAINFALL CAN BE EXPECTED RAU AND
CARROL COUNTIES AS THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE EAST-SOUTH
EAST ACRSS THAT AREA AT 30 MPH. A NEW DEVELOPED ISOLATED THUNDERSTORM WAS
OVER SOUTHEAST KANSAS...25 MILES NORTH OF CHANUTE..MOVEMENT UNKNOWN.
PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT
WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS.
...MORGAN...Special weather statement, Aug 12, 3:36 AM CDT, 44 minutes before
MOZ-004-005-008-009-120945-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...COR...
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
330 AM CDT THU AUG 12 1993
...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST AND WESTCENTRAL MISSOURI...
AT 320 AM...NUMEROUS THUNDERSTORMS...SOME VERY HEAVY...WERE OCCURRING
OVER WESTCENTRAL...CENTRAL AND SOUTHWEST MISSOURI AND SOUTHEAST KANSAS.
THE STORMS WERE SOUTH OF A LINE FROM CLARENCE TO 25 MILES EAST OF KANSAS
CITY. THESE STORMS HAVE A HISTORY OF PRODUCING FROM 3 TO 5 INCH RAINFALLS
IN A SHORT PERIOD OF TIME. ADDITIONAL RAINFALL CAN BE EXPECTED OVER RAY AND
CARROL COUNTIES AS THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE EAST-SOUTH
EAST ACRSS THAT AREA AT 30 MPH. A NEW DEVELOPED ISOLATED THUNDERSTORM WAS
OVER SOUTHEAST KANSAS...25 MILES NORTH OF CHANUTE..MOVEMENT UNKNOWN.
PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT AND DO NOT
WALK OR DRIVE THROUGH WATER THAT COVERS ROADWAYS.
...MORGAN...The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 9:53 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 37 min |
| Aug 11, 10:16 PM CDT | Severe Thunderstorm Warning | EAX | Ray | 44 min |
| Aug 11, 10:20 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 40 min |
| Aug 11, 10:33 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 42 min |
| Aug 11, 11:24 PM CDT | Flash Flood Warning | EAX | Gasconade, Osage | 3 hr |
| Aug 11, 11:43 PM CDT | Flash Flood Warning | EAX | Carroll, Ray | 4 hr |
| Aug 12, 12:22 AM CDT | Flash Flood Warning | EAX | Clay | 2 hr |
| Aug 12, 1:45 AM CDT | Flash Flood Warning | EAX | Boone, Cooper, Howard, Moniteau, Saline | 3 hr |
| Aug 12, 1:45 AM CDT | Flash Flood Warning | EAX | Callaway | 3 hr |
| Aug 12, 2:31 AM CDT | Flash Flood Warning | EAX | Cole, Moniteau | 119 min |
| Aug 12, 2:49 AM CDT | Flash Flood Warning | EAX | Carroll, Ray | 3 hr |
| Aug 12, 3:48 AM CDT | Flash Flood Warning | EAX | Osage | 3 hr |
| Aug 12, 4:43 AM CDT | Flash Flood Warning | EAX | Boone, Cole, Cooper, Moniteau | 2 hr |
| Aug 12, 4:43 AM CDT | Flash Flood Warning | EAX | Callaway | 2 hr |
| Aug 12, 4:56 AM CDT | Flash Flood Warning | EAX | Gasconade | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 1993Every flash flood warning in 1993
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.