Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 65, NWS St. Louis, MO

September 23, 1993Crawford County, Saint Francois County, Washington County, Missouri

NWS St. Louis, MO issued this flash flood warning at Sep 23, 1993, 1:19 AM CDT for Crawford County, Saint Francois County, Washington County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 23, 1993, 1:19 AM CDT (06:19 UTC)
Expired
Sep 23, 1993, 5:15 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Crawford County, MO, Saint Francois County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 06:22 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

Paducah/Barkley, KY (KPAH), launched 00:00Z, 6.3 hours before the alert went out and 214 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, Paducah/Barkley, KY at 00:00Z on 1993-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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, Paducah/Barkley, KY at 00:00Z on 1993-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
60 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1576 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
325 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 230624
FFWSTL
MOC055-187-221-231015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
119 AM CDT THU SEP 23 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  515 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY...ST FRANCOIS COUNTY...WASHINGTON COUNTY
 
AT 115 AM...NWS DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY
HEAVY RAIN ORIENTED NORTHWEST TO SOUTHEAST ACROSS CRAWFORD...WASHINGTON
...AND ST FRANCOIS COUNTIES. RADAR ESTIMATES BETWEEN 1000 PM AND 100 AM
INDICATE WIDESPREAD RAINFALL AMOUNTS OF 2 TO AS MUCH AS 5 INCHES ACROSS
THESE COUNTIES. REPORTS OF CLOSED ROADS DUE TO HIGH WATER AND HIGH WATER
LEVELS ON CREEKS HAVE BEEN BECEIVED FROM THE CRAWFORD...FRANKLIN...
AND ST FRANCOIS SHERIFF DEPARTMENTS BETWEEN 110 AND 120 AM.
RADAR INDICATES MORE THUNDERSTORMS WILL CONTINUE TO TRAVERSE THIS AREA
THROUGH 300 AM RESULTING IN HEAVY RAINFALL AND LIKELY PRODUCING FLASH
FLOODING.
 
IF YOU LIVE NEAR A CREEK OR STREAM OR LOW-LYING AREA AND OBSERVE RAPIDLY
RISING WATER MOVE TO HIGHER GROUND IMMEDIATELY.  REMEMBER FALSH FLOODING
CAN OCCUR VERY QUICKLY...IN A MATTER OF MINUTES...SO BE PREPARED TO
REACT QUICKLY.
 
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.  DJO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
GLASS/KRAMPER
 
&

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, Sep 22, 9:42 PM CDT, 3 hours 37 minutes before
MOZ013-015-230345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
940 PM CDT WED SEP 22 1993

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MISSOURI HAS BEEN
CANCELLED...

AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD
OF MISSOURI.  THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS
LIGHTNING AND STRONG GUSTY WINDS.  THE THUNDERSTORMS ARE NOT EXPECTED TO
REACH SEVERE LIMITS.

A FLASH FLOOD WATCH\ REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR
THE REST OF THE NIGHT.  STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL
RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS.

MORSE
Special weather statement, Sep 22, 9:53 PM CDT, 3 hours 26 minutes before
MOZ013-015-230345-

SPECIAL WEATHER STATEMENT...CORRECTIOM
NATIONAL WEATHER SERVICE ST LOUIS MO
955 PM CDT WED SEP 22 1993

...THE SEVERE THUNDERSTORM WATCH FOR WESTERN MISSOURI HAS BEEN
CANCELLED...

AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD
OF MISSOURI.  THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS
LIGHTNING AND STRONG GUSTY WINDS.  THE THUNDERSTORMS ARE NOT EXPECTED TO
REACH SEVERE LIMITS.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR
THE REST OF THE NIGHT.  STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL
RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS.

MORSE
Special weather statement, Sep 22, 9:55 PM CDT, 3 hours 24 minutes before
MOZ013-015-230345-

SPECIAL WEATHER STATEMENT...CORRECTIOM
NATIONAL WEATHER SERVICE ST LOUIS MO
955 PM CDT WED SEP 22 1993

...THE SEVERE THUNDERSTORM WATCH FOR WESTERN MISSOURI HAS BEEN
CANCELLED...

AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD
OF MISSOURI.  THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS
LIGHTNING AND STRONG GUSTY WINDS.  THE THUNDERSTORMS ARE NOT EXPECTED TO
REACH SEVERE LIMITS.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR
THE REST OF THE NIGHT.  STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL
RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS.

MORSE
Local storm report, Sep 22, 11:30 PM CDT, 1 hour 49 minutes before
LOCAL STORM REPORT..COR..
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT WED SEP 22 1993

TIME(CDT)         COUNTY        REPORT

630 PM            WARREN        TREES AND POWER LINES DOWN AT
                  MISSOURI      NEW TRUXTON. REPORTED BY AMATEUR
                                RADIO OPERATOR.

PRZYBYLINSKI
Local storm report, Sep 22, 11:32 PM CDT, 1 hour 47 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT SUN SEP 19 1993

TIME(CDT)         COUNTY        REPORT

630 PM            WARREN        TREES AND POWER LINES DOWN AT
                  MISSOURI      NEW TRUXTON. REPORTED BY AMATEUR
                                RADIO OPERATOR.

PRZYBYLINSKI
Local storm report, Sep 22, 11:32 PM CDT, 1 hour 47 minutes before
LOCAL STORM REPORT..COR..
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT WED SEP 22 1993

TIME(CDT)         COUNTY        REPORT

630 PM            WARREN        TREES AND POWER LINES DOWN AT
                  MISSOURI      NEW TRUXTON. REPORTED BY AMATEUR
                                RADIO OPERATOR.

PRZYBYLINSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 8:35 PM CDTFlash Flood WarningLSXSaint Charles, Saint Louis, Warren3 hr
Sep 22, 8:35 PM CDTFlash Flood WarningLSXCity of Saint Louis3 hr
Sep 22, 9:25 PM CDTFlash Flood WarningLSXFranklin3 hr
Sep 23, 2:34 AM CDTFlash Flood WarningLSXFranklin4 hr
Sep 23, 3:14 AM CDTFlash Flood WarningLSXJefferson4 hr
Sep 23, 7:41 AM CDTFlash Flood WarningLSXSaint Louis, City of Saint Louis3 hr
Sep 23, 7:41 AM CDTFlash Flood WarningLSXFranklin, Jefferson3 hr
Sep 23, 7:41 AM CDTFlash Flood WarningLSXSaint Charles3 hr
Sep 23, 8:41 AM CDTFlash Flood WarningLSXPerry, Sainte Genevieve, Saint Francois, Washington3 hr
Sep 23, 8:55 AM CDTFlash Flood WarningLSXWarren110 min
Sep 23, 10:24 AM CDTFlash Flood WarningLSXCrawford4 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; radar from the NEXRAD Level II archive.