Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 55, NWS Kansas City, MO

July 6, 1993Boone County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 6, 1993, 7:13 PM CDT for Boone County, Missouri. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 6, 1993, 7:13 PM CDT (00:13 UTC)
Expired
Jul 6, 1993, 9:15 PM CDT
In force
2 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Boone County, MO

The radar

The St Louis radar (KLSX), 145 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 267 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 070015
FFWCOU
MOC019-027-151-073-070215-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
713 PM CDT TUE JUL 6 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...SOUTHERN BOONE COUNTY...SOUTHERN CALLAWAY COUNTY
   ...NORTHERN OSAGE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN GASCONADE COUNTY
 
AT 705 PM THUNDERSTORMS WITH HEAVY RAIN CONTINUED TO FALL ACROSS CENTRAL
MISSOURI IN A 20 MILE WIDE BAND FROM 40 MILES EAST OF JEFFERSON CITY
NEAR NEW HAVEN BACK THROUGH JEFFERSON CITY TO ABOUT 15 MILES SOUTH OF
SEDALIA NEAR COLE CAMP. AT 705 PM THE GASCONADE COUNTY SHERIFF REPORTED
HIGHWAY 19 WAS UNDER WATER IN A COUPLE OF PLACES...WHILE IN SOUTHERN
CALLAWAY COUNTY HIGHWAY 94 NEAR PORTLAND HAD WATER OVER THE ROADWAY.
AT 645 PM A TRAILER COURT AT GRAVOIS MILLS IN MORGAN COUNTY WAS BEING
EVACUATED DUE TO RISING WATERS. THUNDERSTORMS CONTINUED TO ROLL THROUGH
THESE SAME AREAS...WITH ANYWHERE FROM 2 TO 4 INCHES OF RAIN FALLING OVER
ALREADY SATURDATED GROUND AND RISING CREEKS AND CULVERTS.
 
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.
 
MOST FLASH FLOOD DEATHS OCCUR IN CARS AND TRUCKS. DO NOT DRIVE
ACROSS A FLOODED ROADWAY. A FEW INCHES OF RAPIDLY MOVING WATER CAN
SWEEP AWAY A CAR. IF YOUR CAR BECOMES CAUGHT IN RISING WATER...GET
OUT AND MOVE TO HIGHER GROUND.
 
LA GREE

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, 4:30 PM CDT, 2 hours 43 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-062245-

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

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

AT 425 PM...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAINS WERE LOCATED
ACROSS WEST CENTRAL AND EAST CENTRAL KANSAS.  MAINLY FROM NEAR WARRENSBURG
TO CLINTON TO GARNETT KANSAS.  MOVEMENT WAS EAST AT 30 TO 35 MILES AN HOUR.

BECAUSE OF THE HEAVY RAINS THIS AFTERNOON AND THIS MORNING FLASH FLOOD
WARNING ARE IN EFFECT FOR SOUTHERN MIAMI AND LINN COUNTIES OF KANSAS
AND SOUTHERN CASS COUNTY OF MISSOURI UNTIL 715 PM AND FOR HENRY AND
BATES COUNTIES OF MISSOURI UNTIL 745 PM.  THE HEAVY RAINS HAVE CAUSED
FLOODING OF MANY ROADWAYS...UNDERPASSES AND STREAMS.

REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.  PERSONS LIVING IN
LOW LYING AREAS PRONE TO FLOODING SHOULD BE PREPARED TO MOVE TO HIGHER
GROUND SHOULD THE NEED ARISE.
RAH
Special weather statement, Jul 6, 4:40 PM CDT, 2 hours 33 minutes before
KSZ016-MOZ001-002-004-005-008-009-013-062245-

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

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

AT 425 PM...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAINS WERE LOCATED
ACROSS WEST CENTRAL AND EAST CENTRAL KANSAS.  MAINLY FROM NEAR WARRENSBURG
TO CLINTON TO GARNETT KANSAS.  MOVEMENT WAS EAST AT 30 TO 35 MILES AN HOUR.

BECAUSE OF THE HEAVY RAINS THIS AFTERNOON AND THIS MORNING FLASH FLOOD
WARNING ARE IN EFFECT FOR SOUTHERN MIAMI AND LINN COUNTIES OF KANSAS
AND SOUTHERN CASS COUNTY OF MISSOURI UNTIL 715 PM AND FOR HENRY AND
BATES COUNTIES OF MISSOURI UNTIL 745 PM.  THE HEAVY RAINS HAVE CAUSED
FLOODING OF MANY ROADWAYS...UNDERPASSES AND STREAMS.

REMEMBER...DO NOT DRIVE OR WALK THROUGH HIGH WATER.  PERSONS LIVING IN
LOW LYING AREAS PRONE TO FLOODING SHOULD BE PREPARED TO MOVE TO HIGHER
GROUND SHOULD THE NEED ARISE.
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, 7:43 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 WarningEAXGasconade, Maries, Osage116 min
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.