Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 22, NWS St. Louis, MO

June 30, 1993Adair County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 30, 1993, 10:39 PM CDT for Adair County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 30, 1993, 10:39 PM CDT (03:39 UTC)
Expired
Jul 1, 1993, 1:45 AM CDT
In force
3 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

County Adair County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.7 hours before the alert went out and 292 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 00:00Z on 1993-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3169 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 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 00:00Z on 1993-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.19395878Sfc1 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
3169 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1127 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 010341
FFWSTL
MOC001-010645-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1039 PM CDT WED JUN 30 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MISSOURI
 
   ...ADAIR COUNTY
 
AT 1038 PM...THE ADIAR COUNTY SHERIFF REPORTED ONE TO TWO FEET OF WATER
IN SOME STREETS IN KIRKSVILLE. WHILE THE HEAVIEST RAINFALL HAS MOVED
EAST OF ADIAR COUNTY...ANY ADDITIONAL RAINFALL MAY RESULT IN FLASH
FLOODING.
 
ADDITIONALLY CONTINUED RISES ON CREEKS AND STREAMS MAY BE EXPECTED AS
RUNOFF CONTINUES.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
GLASS

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 30, 7:10 PM CDT, 3 hours 29 minutes before
MOZ006-009-010-011-013-014-010100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
710 PM CDT WED JUN 30 1993

...STRONG THUNDERSTORMS WERE DEVELOPING OVER NORTH CENTRAL MISSOURI...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL
MISSOURI UNTIL 10 PM...

AT 710 PM...A BROAD BAND OF QUICKLY DEVELOPING THUNDERSTORMS EXTENDED
FROM 30 MILES WEST OF KIRKSVILLE...TO 20 MILES EAST OF ST LOUIS.  THERE
HAVE BEEN NO REPORTS OF SEVERE WEATHER THUS FAR...BUT THESE STORMS WERE
DEVELOPING VERY FAST AND WILL INTENSIFY OVER THE NEXT FEW HOURS.  THE
STORMS WERE MOVING EAST AT 25 MPH.

LARGE HAIL...DAMAGING WINDS...BRIEF HEAVY RAINS...AND DANGEROUS
LIGHTNING CAN BE EXPECTED WITH SOME OF THESE STORMS AS THEY MOVE ACROSS
CENTRAL MISSOURI THIS EVENING.  STAY TUNED TO WEATHER RADIO FOR FURTHER
UPDATES OR POSSIBLE WARNINGS.  REPORT SEVERE WEATHER TO YOUR NEAREST
LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
.
PERLOW
Special weather statement, Jun 30, 7:16 PM CDT, 3 hours 23 minutes before
MOZ006-009-010-011-013-014-010100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
710 PM CDT WED JUN 30 1993

...STRONG THUNDERSTORMS WERE DEVELOPING OVER NORTH CENTRAL MISSOURI...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL
MISSOURI UNTIL 10 PM...

AT 710 PM...A BROAD BAND OF QUICKLY DEVELOPING THUNDERSTORMS EXTENDED
FROM 30 MILES WEST OF KIRKSVILLE...TO 20 MILES EAST OF ST LOUIS.  THERE
HAVE BEEN NO REPORTS OF SEVERE WEATHER THUS FAR...BUT THESE STORMS WERE
DEVELOPING VERY FAST AND WILL INTENSIFY OVER THE NEXT FEW HOURS.  THE
STORMS WERE MOVING EAST AT 25 MPH.

LARGE HAIL...DAMAGING WINDS...BRIEF HEAVY RAINS...AND DANGEROUS
LIGHTNING CAN BE EXPECTED WITH SOME OF THESE STORMS AS THEY MOVE ACROSS
CENTRAL MISSOURI THIS EVENING.  STAY TUNED TO WEATHER RADIO FOR FURTHER
UPDATES OR POSSIBLE WARNINGS.  REPORT SEVERE WEATHER TO YOUR NEAREST
LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER S$ERVICE.
.
PERLOW
Special weather statement, Jun 30, 9:10 PM CDT, 1 hour 29 minutes before
MOZ006-009-010-011-013-014-010100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
910 PM CDT WED JUN 30 1993

...SEVERE THUNDERSTORMS CONTINUE TO PLAGUE NORTH CENTRAL MISSOURI...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL
MISSOURI UNTIL 10 PM...

AT 910 PM...A BROAD BAND OF SCATTERED SHOWERS AND THUNDERSTORMS...SOME
CARRYING LARGE HAIL...FUNNEL CLOUDS...AND DAMAGING WINDS CONTINUED TO
RUMBLE ACROSS NORTH CENTRAL MISSOURI.  THE STORMS WERE LOCATED NORTH OF
A LINE THAT EXTENDED FROM JUST NORTH OF KANSAS CITY... TO NEAR MOBERLY...
TO 30 MILES SOUTH OF THE QUINCY/HANNIBAL AREA.  MOVEMENT OF THE STORMS
WAS TO THE EAST AT 25 MPH.

HEAVY DOWNPOURS ACOMMPANIED THESE STORMS AND WITH ADDITIONAL HEAVY RAINS
ON THE WAY...LOCALIZED FLOODING WILL ALSO BECOME A PROBLEM.  THE AREA
OF SHOWERS WILL SLOWLY DRIFT SOUTHWARD...SO MOST OF THE NORTHERN THIRD
OF THE STATE WILL BE AT RISK.  THE AREA ALONG AND SOUTH OF INTERSTATE 70
REMAINED FREE OF RAIN AND WERE ENJOYING MOSTLY FAIR SKIES ALONG WITH
WARM AND HUMID CONDITIONS.

PERLOW
Special weather statement, Jun 30, 9:14 PM CDT, 1 hour 25 minutes before
MOZ006-009-010-011-013-014-010100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
910 PM CDT WED JUN 30 1993

...SEVERE THUNDERSTORMS CONTINUE TO PLAGUE NORTH CENTRAL MISSOURI...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL
MISSOURI UNTIL 10 PM...

AT 910 PM...A BROAD BAND OF SCATTERED SHOWERS AND THUNDERSTORMS...SOME
CARRYING LARGE HAIL...FUNNEL CLOUDS...AND DAMAGING WINDS CONTINUED TO
RUMBLE ACROSS NORTH CENTRAL MISSOURI.  THE STORMS WERE LOCATED NORTH OF
A LINE THAT EXTENDED FROM JUST NORTH OF KANSAS CITY... TO NEAR MOBERLY...
TO 30 MILES SOUTH OF THE QUINCY/HANNIBAL AREA.  MOVEMENT OF THE STORMS
WAS TO THE EAST AT 25 MPH.

HEAVY DOWNPOURS ACOMMPANIED THESE STORMS AND WITH ADDITIONAL HEAVY RAINS
ON THE WAY...LOCALIZED FLOODING WILL ALSO BECOME A PROBLEM.  THE AREA
OF SHOWERS WILL SLOWLY DRIFT SOUTHWARD...SO MOST OF THE NORTHERN THIRD
OF THE STATE WILL BE AT RISK.  THE AREA ALONG AND SOUTH OF INTERSTATE 70
REMAINED FREE OF RAIN AND WERE ENJOYING MOSTLY FAIR SKIES ALONG WITH
WARM AND HUMID CONDITIONS.

PERLOW
Special weather statement, Jun 30, 9:43 PM CDT, 56 minutes before
MOZALL-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
943 PM CDT WED JUN 30 1993

...SEVERE THUNDERSTORM WATCHES WERE NOW IN EFFECT FOR MOST OF
THE NORTH AND CENTRAL MISSOURI UNTIL 3 AM...

AT 940 AM...SEVERE THUNDERSTORM WATCHES HAD BEEN ISSUED FOR
MOST OF NORTH AND CENTRAL MISSOURI. THESE WATCHES REPLACE WATCHES
PREVIOUSLY OVER THE STATE.

NWS DOPPLER RADAR CONTINUED TO SHOW SEVERE THUNDERSTORMS DEVELOPING
OVER PORTIONS OF NORTHERN AND WESTERN MISSOURI. THESE STORMS WILL
CONTINUE TO PRODUCE LARGE HAIL...DAMAGING WINDS AND VERY HEAVY
RAIN.  LOCALLIZED FLOODING HAS ALSO BEEN REPORTED WITH SOME OF THESE
STORMS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TV BROADCASTS FOR THE
LATEST INFORMATION.

GOETSCH
Special weather statement, Jun 30, 9:44 PM CDT, 55 minutes before
MOZALL-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
943 PM CDT WED JUN 30 1993

...SEVERE THUNDERSTORM WATCHES WERE NOW IN EFFECT FOR MOST OF
THE NORTH AND CENTRAL MISSOURI UNTIL 3 AM...

AT 940 AM...SEVERE THUNDERSTORM WATCHES HAD BEEN ISSUED FOR
MOST OF NORTH AND CENTRAL MISSOURI. THESE WATCHES REPLACE WATCHES
PREVIOUSLY OVER THE STATE.

NWS DOPPLER RADAR CONTINUED TO SHOW SEVERE THUNDERSTORMS DEVELOPING
OVER PORTIONS OF NORTHERN AND WESTERN MISSOURI. THESE STORMS WILL
CONTINUE TO PRODUCE LARGE HAIL...DAMAGING WINDS AND VERY HEAVY
RAIN.  LOCALLIZED FLOODING HAS ALSO BEEN REPORTED WITH SOME OF THESE
STORMS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TV BROADCAhSTS FOR THE
LATEST INFORMATION.

GOETSCH

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 7:20 PM CDTSevere Thunderstorm WarningLSXSaint Charles34 min
Jun 30, 7:36 PM CDTSevere Thunderstorm WarningLSXLincoln35 min
Jun 30, 7:46 PM CDTSevere Thunderstorm WarningLSXAdair44 min
Jun 30, 8:17 PM CDTTornado WarningLSXAdair58 min
Jun 30, 8:27 PM CDTSevere Thunderstorm WarningLSXShelby63 min
Jun 30, 8:37 PM CDTSevere Thunderstorm WarningLSXKnox68 min
Jun 30, 9:07 PM CDTFlash Flood WarningLSXKnox3 hr
Jun 30, 9:18 PM CDTSevere Thunderstorm WarningLSXAdair57 min
Jun 30, 9:34 PM CDTFlash Flood WarningLSXShelby3 hr
Jun 30, 9:34 PM CDTSevere Thunderstorm WarningLSXShelby56 min
Jun 30, 10:00 PM CDTSevere Thunderstorm WarningLSXMarion60 min
Jun 30, 10:10 PM CDTTornado WarningLSXMarion, Ralls65 min
Jun 30, 11:15 PM CDTSevere Thunderstorm WarningLSXMarion32 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.