Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 4, NWS Kansas City, MO

June 6, 19934 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 6, 1993, 10:08 AM CDT for 4 counties in Missouri. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1993, 10:08 AM CDT (15:08 UTC)
Expired
Jun 6, 1993, 11:15 AM CDT
In force
67 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 3.1 hours before the alert went out and 245 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 1993-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1163 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1993-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 436 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1163 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
557 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
436 m²/s²
0-3 km storm-relative helicity
511 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCOU 061509
FFWCOU
MOC019-027-051-135-061615-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
1008 AM CDT SUN JUN 6 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...BOONE COUNTY...CALLAWAY COUNTY...NORTHERN COLE COUNTY
   ...NORTHERN MONITEAU COUNTY
 
AT 10 AM A CLUSTER OF SEVERE THUNDERSTORMS CARRYRING STRONG...GUSTY
WINDS...HAIL...AND DANGEROUS LIGHTNING...WAS LOCATED NEAR COLUMBIA...TO
20 MILES SOUTHWEST OF COLUMBIA MOVING EAST AT 30 MPH. TORRENTIAL RAINS
WERE ALSO REPORTED.
 
THESES STORMS PRODUCED FLASH FLOODING NEAR SEDALIA THAT WASHED CARS OFF
THE ROAD AND FLOODED ROADWAYS.  THE STORMS WILL EFFECT THE COLUMBIA
JEFFERSON CITY AREA UNTIL 1030 AM.
 
 
SEVERE THUNDERSTORMS CAN ALSO PRODUCE VERY HEAVY RAINS THAT MAKE
IT HARD TO SEE VERY FAR. HEAVY RAINS CAN ALSO FLOOD ROADS VERY
QUICKLY. DRIVERS SHOULD SLOW DOWN OR PULL OFF THE ROAD UNTIL THE
STORM HAS PASSED. TAKE SHELTER INDOORS DURING THE STORM IF POSSIBLE.
 
PERLOW/LAGREE

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, Jun 6, 4:31 AM CDT, 5 hours 37 minutes before
MOZ001-002-004-005-061035-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
431 AM CDT SUN JUN 6 1993

AT 430 AM...NUMEROUS SHOWERS AND SCATTERED STRONG THUNDERSTORMS CONTINUED
OVER NORTHWEST MISSOURI AND SOUTHWEST IOWA.

THE SHOWERS AND THUNDERSTORMS WERE IN AN AREA...85 MILES WIDE...AND EXTENDED
FROM 40 MILES EAST OF KANSAS CITY TO OMAHA NEBRASKA.

THE STRONG THUNDERSTORMS IN NORTHWEST MISSOURI WERE 35 MILES EAST OF
KANSAS CITY...JUST NORTHEAST OF RICHMOND IN RAY COUNTY...AND 30 MILES
NORTH OF ST JOSEPH...SOUTHWEST OF MARYVILLE IN SOUTHERN NODAWAY COUNTY.

THE STRONGER THUNDERSTORMS CONTAIN VERY HEAVY RAIN...AND POSSIBLY SOME
SMALL HAIL AND GUSTY WINDS TO 40 MILES AN HOUR.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Jun 6, 4:32 AM CDT, 5 hours 36 minutes before
MOZ001-002-004-005-061035-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
431 AM CDT SUN JUN 6 1993

AT 430 AM...NUMEROUS SHOWERS AND SCATTERED STRONG THUNDERSTORMS CONTINUED
OVER NORTHWEST MISSOURI AND SOUTHWEST IOWA.

THE SHOWERS AND THUNDERSTORMS WERE IN AN AREA...85 MILES WIDE...AND EXTENDED
FROM 40 MILES EAST OF KANSAS CITY TO OMAHA NEBRASKA.

THE STRONG THUNDERSTORMS IN NORTHWEST MISSOURI WERE 35 MILES EAST OF
KANSAS CITY...JUST NORTHEAST OF RICHMOND IN RAY COUNTY...AND 30 MILES
NORTH OF ST JOSEPH...SOUTHWEST OF MARYVILLE IN SOUTHERN NODAWAY COUNTY.

THE STRONGER THUNDERSTORMS CONTAIN VERY HEAVY RAIN...AND POSSIBLY SOME
SMALL HAIL AND GUSTY WINDS TO 40 MILES AN HOUR.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Jun 6, 7:34 AM CDT, 2 hours 34 minutes before
MOZ001-002-004-005-008-009-061335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
734 AM CDT SUN JUN 6 1993

AT 730 AM...SCATTERED STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...AND
OVER ABOUT THE NORTHWEST THIRD OF MISSOURI...AND ACROSS SOUTHERN IOWA.

THE STRONGEST THUNDERSTORMS WERE IN KANSAS...TO THE NORTHWEST OF MANHATTAN.

IN MISSOURI STRONG THUNDERSTORMS WERE JUST TO THE NORTH AND NORTHEAST OF
ST JOSEPH...AND IN WESTCENTRAL MISSOURI JUST NORTHEAST OF CLINTON.

THE STRONGER THUNDERSTORMS IN MISSOURI CONTAIN VERY HEAVY RAIN...AND POSSIBLY
SMALL HAIL AND GUSTY WINDS TO 40 MILES AN HOUR.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Jun 6, 7:36 AM CDT, 2 hours 32 minutes before
MOZ001-002-004-005-008-009-061335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
734 AM CDT SUN JUN 6 1993

AT 730 AM...SCATTERED STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...AND
OVER ABOUT THE NORTHWEST THIRD OF MISSOURI...AND ACROSS SOUTHERN IOWA.

THE STRONGEST THUNDERSTORMS WERE IN KANSAS...TO THE NORTHWEST OF MANHATTAN.

IN MISSOURI STRONG THUNDERSTORMS WERE JUST TO THE NORTH AND NORTHEAST OF
ST JOSEPH...AND IN WESTCENTRAL MISSOURI JUST NORTHEAST OF CLINTON.

THE STRONGER THUNDERSTORMS IN MISSOURI CONTAIN VERY HEAVY RAIN...AND POSSIBLY
SMALL HAIL AND GUSTY WINDS TO 40 MILES AN HOUR.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Jun 6, 9:35 AM CDT, 33 minutes before
MOZ001-002-004-005-008-009-061535-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
935 AM CDT SUN JUN 6 1993

AT 930 AM...SCATTERED STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...
NORTHWEST AND WEST CENTRAL MISSOURI AND ACROSS SOUTHEAST NEBRASKA AND
SOUTHWEST IOWA.

THE STRONGEST THUNDERSTORMS WERE IN KANSAS...BETWEEN TOPEKA AND LAWRENCE
WHERE GOLFBALL SIZE HAIL WAS REPORTED ALONG WITH WIND GUSTS TO 40 MPH.

IN MISSOURI STRONG THUNDERSTORMS WERE JUST TO THE NORTHEAST OF ST JOSEPH
AND JUST TO THE NORTH OF THE LAKE OF THE OZARKS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST 30 MILES AN HOUR.

HM
Special weather statement, Jun 6, 9:38 AM CDT, 30 minutes before
MOZ001-002-004-005-008-009-061535-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
935 AM CDT SUN JUN 6 1993

AT 930 AM...SCATTERED STRONG THUNDERSTORMS WERE IN NORTHEAST KANSAS...
NORTHWEST AND WEST CENTRAL MISSOURI AND ACROSS SOUTHEAST NEBRASKA AND
SOUTHWEST IOWA.

THE STRONGEST THUNDERSTORMS WERE IN KANSAS...BETWEEN TOPEKA AND LAWRENCE
WHERE GOLFBALL SIZE HAIL WAS REPORTED ALONG WITH WIND GUSTS TO 40 MPnH.

IN MISSOURI STRONG THUNDERSTORMS WERE JUST TO THE NORTHEAST OF ST JOSEPH
AND JUST TO THE NORTH OF THE LAKE OF THE OZARKS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST 30 MILES AN HOUR.

HM

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 8:35 AM CDTSevere Thunderstorm WarningEAXPettis30 min
Jun 6, 8:35 AM CDTSevere Thunderstorm WarningEAXCooper40 min
Jun 6, 8:45 AM CDTSevere Thunderstorm WarningEAXMorgan45 min
Jun 6, 10:08 AM CDTSevere Thunderstorm WarningEAXBoone, Callaway, Cole, Moniteau67 min
Jun 6, 11:10 AM CDTFlash Flood WarningEAXBoone, Cooper2 hr
Jun 6, 11:10 AM CDTFlash Flood WarningEAXCallaway, Cole2 hr
Jun 6, 12:12 PM CDTFlash Flood WarningEAXMoniteau63 min
Jun 6, 1:04 PM CDTFlash Flood WarningEAXGasconade, Osage3 hr
Jun 6, 1:04 PM CDTFlash Flood WarningEAXBoone, Cole, Cooper, Moniteau2 hr
Jun 6, 1:04 PM CDTFlash Flood WarningEAXCallaway2 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.