Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 49, NWS Kansas City, MO

July 6, 1993Cass County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 6, 1993, 3:24 PM CDT for Cass County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 6, 1993, 3:24 PM CDT (20:24 UTC)
Expired
Jul 6, 1993, 7:15 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Cass County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.4 hours before the alert went out and 118 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, Topeka, KS at 12:00Z on 1993-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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, Topeka, KS at 12:00Z on 1993-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 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
38 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1401 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 062023
FFWMCI
KSC107-121-MOC037-070015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
324 PM CDT TUE JUL 6 1993
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL KANSAS
 
   ...LINN COUNTY...SOUTHERN MIAMI COUNTY
 
 
IN WEST CENTRAL MISSOURI
 
   ...SOUTHERN CASS COUNTY
 
AT 320 PM RADAR INDICATED NUMEROUS THUNDERSTORMS WITH VERY HEAVY
RAINFALL ACROSS SOUTHERN MIAMI...NORTHERN LINN AND SOUTHERN CASS
COUNTIES. THE STORMS WERE MOVING TO THE EAST AT 25 MPH. THESE AREAS
RECEIVED VERY HEAVY RAINFALL LATE THIS MORNING WITH ADDITIONAL AMOUNTS
OF ONE TO ONE AND HALF INCHES EXPECTED THROUGH EARLY THIS EVENING. FLASH
FLOODING OF STREETS...SMALL CREEKS AND STREAMS AND LOW LYING
AREAS IS LIKELY.
 
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, Jul 6, 9:50 AM CDT, 5 hours 34 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061545-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
950 AM CDT TUE JUL 6 1993

...STRONG THUNDERSTORMS WERE LOCATED OVER EASTERN KANSAS AND CONTINUED
   TO MOVE INTO WESTERN MISSOURI...

AT 930 AM...A 20 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM
NEAR BUTLER MISSOURI ON 71 HIGHWAY...TO JUST SOUTHEAST OF EMPORIA
KANSAS.  VERY HEAVY RAIN...FREQUENT LIGHTNING...WIND GUSTS UP TO 40
MILES AN HOUR...AND POSSIBLY SOME HAIL...ARE POSSIBLE WITH THESE STORMS
AS THEY MOVE ACROSS EASTCENTRAL KANSAS AND WESTCENTRAL MISSOURI.

A LARGE AREA OF RAIN EXTENDED ACROSS THE REMAINDER OF NORTHEAST KANSAS
NORTHWEST MISSOURI...SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.

THE PRECIPITATION WAS MOVING TO THE EAST AT 30 MILES AN HOUR.
.
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1100 AM THIS
MORNING FOR PARTS OF CENTRAL AND EASTERN KANSAS...INCLUDING MIAMI
AND LINN COUNTIES.  REMAIN ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO MOVE TO SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

EVERSOLE
Special weather statement, Jul 6, 9:50 AM CDT, 5 hours 34 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061545-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
950 AM CDT TUE JUL 6 1993

...STRONG THUNDERSTORMS WERE LOCATED OVER EASTERN KANSAS AND CONTINUED
   TO MOVE INTO WESTERN MISSOURI...

AT 930 AM...A 20 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM
NEAR BUTLER MISSOURI ON 71 HIGHWAY...TO JUST SOUTHEAST OF EMPORIA
KANSAS.  VERY HEAVY RAIN...FREQUENT LIGHTNING...WIND GUSTS UP TO 40
MILES AN HOUR...AND POSSIBLY SOME HAIL...ARE POSSIBLE WITH THESE STORMS
AS THEY MOVE ACROSS EASTCENTRAL KANSAS AND WESTCENTRAL MISSOURI.

A LARGE AREA OF RAIN EXTENDED ACROSS THE REMAINDER OF NORTHEAST KANSAS
NORTHWEST MISSOURI...SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.

THE PRECIPITATION WAS MOVING TO THE EAST AT 30 MILES AN HOUR.
.
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1100 AM THIS
MORNING FOR PARTS OF CENTRAL AND EASTERN KANSAS...INCLUDING MIAMI
AND LINN COUNTIES.  REMAIN ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO MOVE TO SAFE SHELTER IF THREATENING
WEATHER APPROACHES.

EVERSOLE
Special weather statement, Jul 6, 11:45 AM CDT, 3 hours 39 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1145 AM CDT TUE JUL 6 1993

...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EASTERN
   KANSAS HAS BEEN CANCELLED...

AT 1130 AM...RADAR INDICATED THAT THUNDERSTORMS WITH HEAVY RAIN
CONTINUED IN A 15 MILE WIDE BAND EXTENDING FROM JUST SOUTHWEST OF
SEDALIA MISSOURI TO JUST EAST OF CHANUTE KANSAS.  VERY HEAVY RAINFALL
FREQUENT LIGHTNING AND GUSTY WINDS OF 30 TO 40 MILES AN HOUR HAVE
BEEN ASSOCIATED WITH THESE STORMS.

IN ADDITION...A LARGE AREA OF RAIN EXTENDED ACROSS NORTHWEST AND
CENTRAL MISSOURI...AND NORTHEAST KANSAS AND SOUTHCENTRAL IOWA.

THE PRECIPITATION WAS MOVING TO THE EAST AT 35 MILES AN HOUR.

MOTORISTS SHOULD EXERCISE EXTREME CAUTION WHEN DRIVING...AND WATCH
FOR HIGH WATER ON ROADS AND RAPIDLY RISING WATER IN STREAMS AND
RIVERS.

EVERSOLE
Special weather statement, Jul 6, 11:46 AM CDT, 3 hours 38 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1145 AM CDT TUE JUL 6 1993

...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EASTERN
   KANSAS HAS BEEN CANCELLED...

AT 1130 AM...RADAR INDICATED THAT THUNDERSTORMS WITH HEAVY RAIN
CONTINUED IN A 15 MILE WIDE BAND EXTENDING FROM JUST SOUTHWEST OF
SEDALIA MISSOURI TO JUST EAST OF CHANUTE KANSAS.  VERY HEAVY RAINFALL
FREQUENT LIGHTNING AND GUSTY WINDS OF 30 TO 40 MILES AN HOUR HAVE
BEEN ASSOCIATED WITH THESE STORMS.

IN ADDITION...A LARGE AREA OF RAIN EXTENDED ACROSS NORTHWEST AND
CENTRAL MISSOURI...AND NORTHEAST KANSAS AND SOUTHCENTRAL IOWA.

THE PRECIPITATION WAS MOVING TO THE EAST AT 35 MILES AN HOUR.

MOTORISTS SHOULD EXERCISE EXTREME CAUTION WHEN DRIVING...AND WATCH
FOR HIGH WATER ON ROADS AND RAPIDLY RISING WATER IN STREAMS AND
RIVERS.

EVERSOLE
Special weather statement, Jul 6, 12:40 PM CDT, 2 hours 44 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061845-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1240 PM CDT TUE JUL 6 1993

...THUNDERSTORMS WITH HEAVY RAIN CONTINUE OVER EASTCENTRAL KANSAS AND
   WESTCENTRAL MISSOURI...

AT 1230 PM...RADAR INDICATED THAT SCATTERED THUNDERSTORMS WITH HEAVY
RAIN CONTINUED OVER WESTCENTRAL MISSOURI AND EASTCENTRAL KANSAS WITH
THE HEAVIEST RAIN BEING LOCATED AT JUST SOUTHEAST OF NEVADA MISSOURI...
NEAR STOCKTON...AND ALSO NEAR OLATHE KANSAS AT ALONG INTERSTATE 35
AND JUST NORTHWEST OF CHANUTE KANSAS...NEAR IOLA.

IN ADDITION...A LARGE AREA OF RAIN EXTENDED ACROSS NORTHCENTRAL AND
CENTRAL MISSOURI.

THE PRECIPITATION WAS MOVING TO THE EAST AT 35 MILES AN HOUR.

MOTORISTS SHOULD BE WARY OF HIGH WATER...DO NOT DRIVE THROUGH WATER
COVERED ROADWAYS.  PEDESTRIANS SHOULD AVOID CREEKS AND WATERWAYS
SINCE WATERS COULD RISE QUICKLY AND FLOOD DUE TO THE RAINSOAKED
GROUND.

EVERSOLE
Special weather statement, Jul 6, 12:43 PM CDT, 2 hours 41 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-061845-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1240 PM CDT TUE JUL 6 1993

...THUNDERSTORMS WITH HEAVY RAIN CONTINUE OVER EASTCENTRAL KANSAS AND
   WESTCENTRAL MISSOURI...

AT 1230 PM...RADAR INDICATED THAT SCATTERED THUNDERSTORMS WITH HEAVY
RAIN CONTINUED OVER WESTCENTRAL MISSOURI AND EASTCENTRAL KANSAS WITH
THE HEAVIEST RAIN BEING LOCATED AT JUST SOUTHEAST OF NEVADA MISSOURI...
NEAR STOCKTON...AND ALSO NEAR OLATHE KANSAS AT ALONG INTERSTATE 35
AND JUST NORTHWEST OF CHANUTE KANSAS...NEAR IOLA.

IN ADDITION...A LARGE AREA OF RAIN EXTENDED ACROSS NORTHCENTRAL AND
CENTRAL MISSOURI.

THE PRECIPITATION WAS MOVING TO THE EAST AT 35 MILES AN HOUR.

MOTORISTS SHOULD BE WARY OF HIGH WATER...DO NOT DRIVE THROUGH WATER
COVERED ROADWAYS.  PEDESTRIANS SHOULD AVOID CREEKS AND WATERWAYS
SINCE WATERS COULD RISE QUICKLY AND FLOOD DUE TO THE RAINSOAKED
GROUND^.

EVERSOLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 9:50 AM CDTFlash Flood WarningEAXCass3 hr
Jul 6, 9:50 AM CDTFlash Flood WarningEAXCass4 hr
Jul 6, 11:03 AM CDTFlash Flood WarningEAXHenry4 hr
Jul 6, 11:47 AM CDTFlash Flood WarningEAXSt. Clair4 hr
Jul 6, 3:47 PM CDTFlash Flood WarningEAXBates4 hr
Jul 6, 4:16 PM CDTFlash Flood WarningEAXHenry3 hr
Jul 6, 6:05 PM CDTFlash Flood WarningEAXBenton, Morgan, Pettis115 min
Jul 6, 6:05 PM CDTFlash Flood WarningEAXCole, Moniteau115 min

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.