Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 63, NWS Kansas City, MO

July 6, 1993Gasconade County, Maries County, Osage County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 6, 1993, 11:19 PM CDT for Gasconade County, Maries County, Osage County, Missouri. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1993, 11:19 PM CDT (04:19 UTC)
Expired
Jul 7, 1993, 1:15 AM CDT
In force
116 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Gasconade County, MO, Maries County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 102 km from the middle of the area, began a volume at 04:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 4.3 hours before the alert went out and 241 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 00:00Z on 1993-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1998 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1993-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
1998 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 070421
FFWCOU
MOC027-125-151-073-070615-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
1119 PM CDT TUE JUL 6 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...CALLAWAY COUNTY...MARIES COUNTY...OSAGE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...GASCONADE COUNTY
 
AT 1115 PM THUNDERSTORMS PRODUCING HEAVY RAIN WERE IN CENTRAL MISSOURI
IN A 30 MILE WIDE AREA FROM JUST NORTH OF THE CITY OF COLUMBIA TO AROUND
JEFFERSON CITY AND WERE MOVING TO THE EAST AT 30 MILES AN HOUR. FLOODING
CONTINUED TO PLAGUE ROADS AND BRIDGES IN THE WARNED COUNTIES AND
NUMEROUS ROADS WERE UNDER WATER AT 1115 PM. IF YOU LIVE IN AN AREA
THREATENED BY FLOODING ACT QUICKLY AND MOVE TO HIGHER GROUND. TRAVEL IS
NOT RECOMMENDED ACROSS THE AREA TONIGHT UNLESS IN AN EMERGENCY DUE TO
THE NUMBER OF ROADS UNDER WATER.
 
BE EXTRA CAREFUL AT NIGHT WHEN FLOOD WATERS ARE HARD TO SEE. IF
YOU SEE RISING WATER...MOVE TO HIGHER GROUND RIGHT AWAY. NEVER TRY
TO CROSS FLOODED ROADS OR BRIDGES IN YOUR CAR.
 
LA GREE/BLANCHARD

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, 8:39 PM CDT, 2 hours 40 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-062245-

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

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 827 PM...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAINS...WERE LOCATED
ACROSS WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS.  MAINLY IN AN AREA...
10 TO 40 MILES WIDE...FROM THE LAKE OF THE OZARKS TO 30 MILES SOUTH OF
DOWNTOWN KANSAS CITY.  MOVEMENT WAS EAST AT 35 MILES AN HOUR.

THE HEAVIEST RAINS WERE OCCURRING IN JOHNSON COUNTY KANSAS.  BETWEEN
755 AND 825 PM 1.35 INCHES OF RAIN WAS RECORDED AT STILLWELL KANSAS IN
JOHNSON COUNTY.

ADDITIONAL THUNDERSTORMS WERE BEGINNING TO FIRE-UP OVER CENTRAL KANSAS
AND ARE EXPECTED TO MOVE INTO EAST KANSAS AND WEST MISSOURI AROUND
MIDNIGHT.

THUNDERSTORMS AND SHOWERS WERE CONTINUING IN HENRY COUNTY MISSOURI
WHERE A FLOOD WARNING IS POSTED FOR THE REST OF TONIGHT BECAUSE OF
WIDESPREAD FLOODING.

ONCE AGAIN...REMEMBER DO NOT DRIVE OR WALK THROUGH HIGH WATER.
Special weather statement, Jul 6, 8:42 PM CDT, 2 hours 37 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-070245-

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

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 827 PM...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAINS...WERE LOCATED
ACROSS WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS.  MAINLY IN AN AREA...
10 TO 40 MILES WIDE...FROM THE LAKE OF THE OZARKS TO 30 MILES SOUTH OF
DOWNTOWN KANSAS CITY.  MOVEMENT WAS EAST AT 35 MILES AN HOUR.

THE HEAVIEST RAINS WERE OCCURRING IN JOHNSON COUNTY KANSAS.  BETWEEN
755 AND 825 PM 1.35 INCHES OF RAIN WAS RECORDED AT STILLWELL KANSAS IN
JOHNSON COUNTY.

ADDITIONAL THUNDERSTORMS WERE BEGINNING TO FIRE-UP OVER CENTRAL KANSAS
AND ARE EXPECTED TO MOVE INTO EAST KANSAS AND WEST MISSOURI AROUND
MIDNIGHT.

THUNDERSTORMS AND SHOWERS WERE CONTINUING IN HENRY COUNTY MISSOURI
WHERE A FLOOD WARNING IS POSTED FOR THE REST OF TONIGHT BECAUSE OF
WIDESPREAD FLOODING.

ONCE AGAIN...REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.
Special weather statement, Jul 6, 9:35 PM CDT, 1 hour 44 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-070345-

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

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 928 PM...THUNDERSTORMS WERE MOVING ACROSS THE SOUTH PARTS OF THE GREATER
KANSAS CITY AREA.  MAINLY IN AN AREA...10 MILES WIDE...FROM OLATHE TO LEES
SUMMIT.  THESE STORMS WILL PRODUCE VERY HEAVY RAINS WHICH WILL CAUSE
FLOODING OF SOME ROADWAYS...UNDERPASSES AND LOW LYING AREAS.  STILLWELL
KANSAS REPORTS AN ADDITIONAL .98 INCHES OF RAIN FROM THESE STORMS FOR A
TOTAL OF 2.33 INCHES IN LESS THAN TWO HOURS.

ADDITIONAL THUNDERSTORMS WERE OVER WEST CENTRAL MISSOURI...EAST AND SOUTH
OF WARRENSBURG.  THE HEAVIEST RAINFALL IN THIS AREA WAS OCCURRING NEAR
SEDALIA.

ALL THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

ONCE AGAIN...REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.
Special weather statement, Jul 6, 9:44 PM CDT, 1 hour 35 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-070345-

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

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 928 PM...THUNDERSTORMS WERE MOVING ACROSS THE SOUTH PARTS OF THE GREATER
KANSAS CITY AREA.  MAINLY IN AN AREA...10 MILES WIDE...FROM OLATHE TO LEES
SUMMIT.  THESE STORMS WILL PRODUCE VERY HEAVY RAINS WHICH WILL CAUSE
FLOODING OF SOME ROADWAYS...UNDERPASSES AND LOW LYING AREAS.  STILLWELL
KANSAS REPORTS AN ADDITIONAL .98 INCHES OF RAIN FROM THESE STORMS FOR A
TOTAL OF 2.33 INCHES IN LESS THAN TWO HOURS.

ADDITIONAL THUNDERSTORMS WERE OVER WEST CENTRAL MISSOURI...EAST AND SOUTH
OF WARRENSBURG.  THE HEAVIEST RAINFALL IN THIS AREA WAS OCCURRING NEAR
SEDALIA.

ALL THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.

ONCE AGAIN...REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.
Special weather statement, Jul 6, 10:35 PM CDT, 44 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-070445-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1035 PM CDT TUE JUL 6 1993

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 1025 PM...A LINE OF THUNDERSTORMS...5 MILES WIDE...PRODUCING VERY HEAVY
RAINS EXTENDED WEST FROM NEAR BOONVILLE..ALONG I-70...TO ODESSA TO KANSAS
CITY TO JUST EAST OF LAWRENCE.  THESE STORMS WILL CAUSE FLOODING OF SOME
ROADWAYS...UNDERPASSES AND LOW LYING AREAS AS THEY MOVE EAST NORTHEAST AT
35 MILES AN HOUR.

THESE STORMS PRODUCED 3.03 INCHES OF RAIN BETWEEN 700 AND 930 PM AT STANLEY
IN JOHNSON COUNTY KANSAS.

WIDESPREAD FLOODING IS STILL BEING REPORTED ACROSS HENRY COUNTY MISSOURI.

AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR THE SOUTH
PARTS OF THE GREATER KANSAS CITY AREA UNTIL MIDNIGHT.

ONCE AGAIN...REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.
RAH
Special weather statement, Jul 6, 10:42 PM CDT, 37 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-070445-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1035 PM CDT TUE JUL 6 1993

...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MISSOURI AND MOST
OF EAST KANSAS FOR TONIGHT...FLOOD WARNING FOR HENRY COUNTY MISSOURI..

AT 1025 PM...A LINE OF THUNDERSTORMS...5 MILES WIDE...PRODUCING VERY HEAVY
RAINS EXTENDED WEST FROM NEAR BOONVILLE..ALONG I-70...TO ODESSA TO KANSAS
CITY TO JUST EAST OF LAWRENCE.  THESE STORMS WILL CAUSE FLOODING OF SOME
ROADWAYS...UNDERPASSES AND LOW LYING AREAS AS THEY MOVE EAST NORTHEAST AT
35 MILES AN HOUR.

THESE STORMS PRODUCED 3.03 INCHES OF RAIN BETWEEN 700 AND 930 PM AT STANLEY
IN JOHNSON COUNTY KANSAS.

WIDESPREAD FLOODING IS STILL BEING REPORTED ACROSS HENRY COUNTY MISSOURI.

AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR THE SOUTH
PARTS OF THE GREATER KANSAS CITY AREA UNTIL MIDNIGHT.

ONCE AGAIN...REMdEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.
RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:13 PM CDTFlash Flood WarningEAXCallaway, Gasconade, Osage2 hr
Jul 6, 7:13 PM CDTFlash Flood WarningEAXBoone2 hr
Jul 6, 7:43 PM CDTFlash Flood WarningEAXMaries62 min
Jul 6, 8:01 PM CDTFlash Flood WarningEAXCole, Miller, Moniteau, Morgan119 min
Jul 6, 8:01 PM CDTFlash Flood WarningEAXBenton, Pettis119 min
Jul 6, 9:09 PM CDTFlash Flood WarningEAXGasconade, Maries, Osage2 hr
Jul 6, 9:09 PM CDTFlash Flood WarningEAXCallaway2 hr
Jul 6, 9:57 PM CDTFlash Flood WarningEAXCole, Miller, Moniteau, Morgan2 hr
Jul 6, 9:57 PM CDTFlash Flood WarningEAXBenton, Pettis2 hr
Jul 6, 11:19 PM CDTFlash Flood WarningEAXCallaway116 min
Jul 6, 11:43 PM CDTFlash Flood WarningEAXJackson10 hr
Jul 6, 11:44 PM CDTFlash Flood WarningEAXBoone2 hr
Jul 7, 12:05 AM CDTFlash Flood WarningEAXCole, Miller, Moniteau115 min
Jul 7, 12:05 AM CDTFlash Flood WarningEAXPettis115 min
Jul 7, 1:31 AM CDTFlash Flood WarningEAXGasconade, Maries, Miller, Osage3 hr
Jul 7, 1:31 AM CDTFlash Flood WarningEAXMorgan, Pettis3 hr
Jul 7, 1:31 AM CDTFlash Flood WarningEAXBoone, Cole, Moniteau3 hr
Jul 7, 1:31 AM CDTFlash Flood WarningEAXCallaway3 hr
Jul 7, 1:46 AM CDTFlash Flood WarningEAXAudrain, Montgomery3 hr
Jul 7, 1:46 AM CDTFlash Flood WarningEAXCooper, Howard, Saline3 hr
Jul 7, 4:39 AM CDTFlash Flood WarningEAXAudrain, Boone, Chariton, Randolph2 hr
Jul 7, 4:39 AM CDTFlash Flood WarningEAXCallaway2 hr
Jul 7, 6:50 AM CDTFlash Flood WarningEAXCallaway, Gasconade, Maries, Miller, Montgomery, Osage115 min
Jul 7, 6:50 AM CDTFlash Flood WarningEAXAudrain, Randolph115 min
Jul 7, 9:20 AM CDTFlash Flood WarningEAXAudrain, Randolph55 min
Jul 7, 9:20 AM CDTFlash Flood WarningEAXCallaway55 min
Jul 7, 9:33 AM CDTFlash Flood WarningEAXAndrew, Nodaway4 hr
Jul 7, 9:45 AM CDTFlash Flood WarningEAXChariton, Saline2 hr
Jul 7, 9:45 AM CDTFlash Flood WarningEAXCooper, Morgan, Pettis2 hr
Jul 7, 10:10 AM CDTFlash Flood WarningEAXJackson8 hr
Jul 7, 10:21 AM CDTSevere Thunderstorm WarningEAXPettis, Saline39 min
Jul 7, 10:36 AM CDTSevere Thunderstorm WarningEAXAudrain, Boone49 min
Jul 7, 12:09 PM CDTTornado WarningEAXMoniteau36 min
Jul 7, 12:15 PM CDTTornado WarningEAXBoone, Cole30 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; radar from the NEXRAD Level II archive.