Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 86, NWS Kansas City, MO

July 8, 1993Livingston County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 8, 1993, 9:04 AM CDT for Livingston County, Missouri. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 1993, 9:04 AM CDT (14:04 UTC)
Expired
Jul 8, 1993, 3:00 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Livingston County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 2.1 hours before the alert went out and 200 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 1993-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2150 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 1993-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
2150 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
1.5
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 081431 COR
FFWMCI
MOC117-082000-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
904 AM CDT THU JUL 8 1993 ...CORRECTION TO ROAD CLOSURE...

THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL MISSOURI

   ...LIVINGSTON COUNTY

WEATHER RADAR INDICATED THAT THUNDERSTORMS WITH HEAVY RAIN HAVE DROPPED
1.5 TO 2.5 INCHES OF RAINFALL OVER MOST OF LIVINGSTON COUNTY THIS
MORNING. HIGHWAY 36 ALONG THE GRAND RIVER WEST OF CHILLICOTHE WAS CLOSED
DUE TO A LEVEE BREAK. ALSO HIGHWAY 65 SOUTH OF CHILLICOTHE IS CLOSED DUE
TO HIGH WATER. NUMEROUS OTHER ROADS OVER THE SOUTHWEST PARTS OF THE
COUNTY WERE ALSO CLOSED THIS MORNING.

MOST DEATHS IN FLASH FLOODING 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.

&

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 8, 6:38 AM CDT, 2 hours 26 minutes before
MOZ001-002-004-005-008-009-081245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
638 AM CDT THU JUL 8 1993

...A FLASH FLOOD WATCH IS IN EFFECT FOR THIS MORNING FOR NORTHEAST
KANSAS...AND A PORTION OF NORTHWEST AND NORTHCENTRAL MISSOURI NORTH OF A
LINE FROM ST JOSEPH TO UNIONVILLE....

AT 635 AM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME THUNDERSTORMS CONTAINING
VERY HEAVY RAIN...WERE IN NORTHEAST KANSAS...NORTHWEST MISSOURI AND
SOUTHWEST IOWA.

THE STRONGEST THUNDERSTORMS...CONTAINING VERY HEAVY RAIN...WERE IN A NARROW
BAND FROM 40 MILES NORTH OF ST JOSEPH TO ST JOSEPH TO JUST SOUTHEAST OF
TOPEKA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 35 MILES AN
HOUR.
.
THE STRONGER STORMS WILL CONTAIN A BRIEF PERIOD OF VERY HEAVY RAIN
AND WIND GUSTS UP TO 40 MILES AN HOUR.

THE BAND OF THUNDERSTORMS JUST EAST OF THE TOPEKA AREA WILL
REACH THE KANSAS CITY METROPOLITAN AREA BETWEEN 800 AND 900 AM
THIS MORNING.  SOME MINOR STREET FLOODING COULD OCCUR IN THE LOCAL
AREA AND MOTORISTS DRIVING DURING THE LATER PART OF THE MORNING
RUSH HOUR SHOULD USE EXTREME CAUTION.
Special weather statement, Jul 8, 6:40 AM CDT, 2 hours 24 minutes before
MOZ001-002-004-005-008-009-081245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
638 AM CDT THU JUL 8 1993

...A FLASH FLOOD WATCH IS IN EFFECT FOR THIS MORNING FOR NORTHEAST
KANSAS...AND A PORTION OF NORTHWEST AND NORTHCENTRAL MISSOURI NORTH OF A
LINE FROM ST JOSEPH TO UNIONVILLE....

AT 635 AM...SCATTERED SHOWERS AND THUNDERSTORMS...SOME THUNDERSTORMS CONTAINING
VERY HEAVY RAIN...WERE IN NORTHEAST KANSAS...NORTHWEST MISSOURI AND
SOUTHWEST IOWA.

THE STRONGEST THUNDERSTORMS...CONTAINING VERY HEAVY RAIN...WERE IN A NARROW
BAND FROM 40 MILES NORTH OF ST JOSEPH TO ST JOSEPH TO JUST SOUTHEAST OF
TOPEKA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT 35 MILES AN
HOUR.
.
THE STRONGER STORMS WILL CONTAIN A BRIEF PERIOD OF VERY HEAVY RAIN
AND WIND GUSTS UP TO 40 MILES AN HOUR.

THE BAND OF THUNDERSTORMS JUST EAST OF THE TOPEKA AREA WILL
REACH THE KANSAS CITY METROPOLITAN AREA BETWEEN 800 AND 900 AM
THIS MORNING.  SOME MINOR STREET FLOODING COULD OCCUR IN THE LOCAL
AREA AND MOTORISTS DRIVING DURING THE LATER PART OF THE MORNING
RUSH HOUR SHOULD USE EXTREME CAUTION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:10 PM CDTFlash Flood WarningEAXCallaway, Gasconade, Montgomery, Osage12 hr
Jul 8, 11:36 AM CDTFlash Flood WarningEAXSaline10 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.