Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 79, NWS St. Louis, MO

November 14, 1993Jefferson County, Washington County, Missouri

NWS St. Louis, MO issued this flash flood warning at Nov 14, 1993, 2:27 AM CST for Jefferson County, Washington County, Missouri. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 14, 1993, 2:27 AM CST (08:27 UTC)
Expired
Nov 14, 1993, 8:30 AM CST
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Jefferson County, MO, Washington County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 8.5 hours before the alert went out and 211 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 1993-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 694 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 1993-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.1939587897Sfc1 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
694 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 140828
FFWSTL
MOC099-221-141430-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CST SUN NOV 14 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...JEFFERSON COUNTY...WASHINGTON COUNTY
 
AT 225 AM...NWS DOPPLER RADAR INDICATED 2 1/2 TO 3 INCHES OF RAIN HAD
FALLEN BETWEEN 1100 PM AND 200 AM IN A SWATH ACROSS NORTHERN WASHINGTON
COUNTY INTO JEFFERSON COUNTY. THE HEAVIEST AMOUNTS WERE LOCATED NEAR
ANTHONIES MILL AND RICHWOODS IN NORTHERN WASHINGTON COUNTY AND NEAR
DITTMER AND ARNOLD IN JEFFERSON COUNTY.
 
RADAR CONTINUED TO INDICATE THUNDERSTORMS FROM ST LOUIS TO WEST
PLAINS...MOVING TO THE NORTHEAST AT 35 MPH.  THESE THUNDERSTORMS WILL
RESULT IN ADDITIONAL HEAVY RAINFALL WHICH WILL LIKELY RESULT IN FLASH
FLOODING OF SMALL CREEKS AND STREAMS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
GLASS/FERRY

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, Nov 13, 11:35 PM CST, 2 hours 52 minutes before
MOZ053>058-066>115-140640-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1135 PM CST SAT NOV 13 1993

...THE SEVERE THUNDERSTORM WATCH FOR SOUTHEAST AND SOUTH CENTRAL
   MISSOURI IS NO LONGER IN EFFECT...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR SOUTHWEST AND SOUTH
CENTRAL MISSOURI FOR THE REMAINDER OF TONIGHT...

AT 1130 PM...WEATHER SERVICE RADARS CONTINUED TO SHOW SHOWERS AND
THUNDERSTORMS COVERING ALL BUT NORTHWEST AND SOUTHEAST MISSOURI.
THESE SHOWERS AND THUNDERSTORMS EXTENDED SOUTHWARD INTO WESTERN
ARKANSAS AND EASTERN OKLAHOMA AND WERE MOVING NORTHEASTWARD AT 35
MPH.

WHILE THE SEVERE WEATHER THREAT HAS ENDED ACROSS MISSOURI...THE
POTENTIAL FOR HEAVY RAINFALL AND POSSIBLE FLASH FLOODING REMAINS
HIGH ACROSS SOUTHWEST AND SOUTH CENTRAL SECTIONS THROUGH THE REMAINDER
OF THE NIGHT.

REMEMBER...A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING
EXISTS WITHIN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD
MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER
GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED.

GLASS
Special weather statement, Nov 13, 11:37 PM CST, 2 hours 50 minutes before
MOZ053>058-066>115-140640-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1135 PM CST SAT NOV 13 1993

...THE SEVERE THUNDERSTORM WATCH FOR SOUTHEAST AND SOUTH CENTRAL
   MISSOURI IS NO LONGER IN EFFECT...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR SOUTHWEST AND SOUTH
CENTRAL MISSOURI FOR THE REMAINDER OF TONIGHT...

AT 1130 PM...WEATHER SERVICE RADARS CONTINUED TO SHOW SHOWERS AND
THUNDERSTORMS COVERING ALL BUT NORTHWEST AND SOUTHEAST MISSOURI.
THESE SHOWERS AND THUNDERSTORMS EXTENDED SOUTHWARD INTO WESTERN
ARKANSAS AND EASTERN OKLAHOMA AND WERE MOVING NORTHEASTWARD AT 35
MPH.

WHILE THE SEVERE WEATHER THREAT HAS ENDED ACROSS MISSOURI...THE
POTENTIAL FOR HEAVY RAINFALL AND POSSIBLE FLASH FLOODING REMAINS
HIGH ACROSS SOUTHWEST AND SOUTH CENTRAL SECTIONS THROUGH THE REMAINDER
OF THE NIGHT.

REMEMBER...A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING
EXISTS WITHIN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD
MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER
GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED.

GLASS
Special weather statement, Nov 14, 12:10 AM CST, 2 hours 17 minutes before
MOZ053>058-066>115-140715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1210 AM CST SUN NOV 14 1993

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHEAST MISSOURI UNTIL
6 AM CST...

NWS DOPPLER RADAR AT 1201 AM SHOWED STRONG THUNDERSTORMS MOVING
NORTHEAST OVER MUCH OF SOUTH CENTRAL AND EAST CENTRAL MISSOURI.

SOME STORMS HAVE PRODUCED VERY HEAVY RAIN WITH THEIR PASSAGE.  A FLASH
FLOOD WATCH REMAINS IN EFFECT OR SOUTH CENTRAL MISSOURI FOR TONIGHT.

IF ANY OF THESE STORMS MOVE INTO YOUR AREA...MOVE TO SHELTER.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  AVOID
WINDOWS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT
IS HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODING.

IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.  MOVE TO ESCAPE FLOOD
WATERS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

GOETSCH
Special weather statement, Nov 14, 12:10 AM CST, 2 hours 17 minutes before
MOZ053>058-066>115-140715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1210 AM CST SUN NOV 14 1993

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHEAST MISSOURI UNTIL
6 AM CST...

NWS DOPPLER RADAR AT 1201 AM SHOWED STRONG THUNDERSTORMS MOVING
NORTHEAST OVER MUCH OF SOUTH CENTRAL AND EAST CENTRAL MISSOURI.

SOME STORMS HAVE PRODUCED VERY HEAVY RAIN WITH THEIR PASSAGE.  A FLASH
FLOOD WATCH REMAINS IN EFFECT OR SOUTH CENTRAL MISSOURI FOR TONIGHT.

IF ANY OF THESE STORMS MOVE INTO YOUR AREA...MOVE TO SHELTER.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  AVOID
WINDOWS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT
IS HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODING.

IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.  MOVE TO ESCAPE FLOOD
WATERS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

GOETSCH
Special weather statement, Nov 14, 12:33 AM CST, 1 hour 54 minutes before
MOZ072-073-140735-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1233 AM CST SUN NOV 14 1993

...A STRONG THUNDERSTORM WAS MOVING THROUGH EASTERN MISSOURI...

AT 1220 AM...RADAR INDICATED A STRONG THUNDERSTORM 25 MILES EAST OF
ROLLA...OR JUST EAST OF CHERRYVILLE AND STEELEVILL IN CRAWFORD COUNTY.
THE THUNDERSTORM WAS MOVING NORTHEAST AT 40 MPH.  THE STORM WILL
BE MOVING ACROSS NORTHWEST WASHINGTON COUNTY INTO SOUTH FRANKLIN
COUNTY BY 130 AM.

THE CRAWFORD COUNTY SHERIFF REPORTED THAT THE STORM PRODUCED STRONG
WINDS WHEN IT MOVED THROUGH STEELEVILLE AND CHERRYVILLE.  PEOPLE IN
NORTHEAST CRAWFORD...NORTHWEST WASHINGTON AND SOUTHERN FRANKLIN COUNTY
CAN EXPECT BRIEF HEAVY RAINS AND WIND GUSTS AROUND 40 MPH WHEN THIS
STORM MOVES THROUGH.

FERRY
Special weather statement, Nov 14, 12:33 AM CST, 1 hour 54 minutes before
MOZ072-073-140735-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1233 AM CST SUN NOV 14 1993

...A STRONG THUNDERSTORM WAS MOVING THROUGH EASTERN MISSOURI...

AT 1220 AM...RADAR INDICATED A STRONG THUNDERSTORM 25 MILES EAST OF
ROLLA...OR JUST EAST OF CHERRYVILLE AND STEELEVILL IN CRAWFORD COUNTY.
THE THUNDERSTORM WAS MOVING NORTHEAST AT 40 MPH.  THE STORM WILL
BE MOVING ACROSS NORTHWEST WASHINGTON COUNTY INTO SOUTH FRANKLIN
COUNTY BY 130 AM.

THE CRAWFORD COUNTY SHERIFF REPORTED THAT THE STORM PRODUCED STRONG
WINDS WHEN IT MOVED THROUGH STEELEVILLE AND CHERRYVILLE.  PEOPLE IN
NORTHEAST CRAWFORD...NORTHWEST WASHINGTON AND SOUTHERN FRANKLIN COUNTY
CAN EXPECT BRIEF HEAVY RAINS AND WIND GUSTS AROUND 40 MPH WHEN THIS
STORM MOVES THROUGH.

FERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 12:41 AM CSTSevere Thunderstorm WarningLSXWashington39 min
Nov 14, 12:41 AM CSTSevere Thunderstorm WarningLSXJefferson49 min
Nov 14, 1:35 AM CSTFlash Flood WarningLSXCrawford, Dent, Phelps6 hr
Nov 14, 4:42 AM CSTFlash Flood WarningLSXIron, Saint Francois5 hr
Nov 14, 4:42 AM CSTFlash Flood WarningLSXReynolds5 hr
Nov 14, 7:31 AM CSTFlash Flood WarningLSXCrawford, Dent, Phelps3 hr
Nov 14, 7:31 AM CSTFlash Flood WarningLSXJefferson, Sainte Genevieve, Washington3 hr
Nov 14, 7:31 AM CSTFlash Flood WarningLSXPerry3 hr
Nov 14, 7:31 AM CSTFlash Flood WarningLSXMadison3 hr
Nov 14, 8:43 AM CSTFlash Flood WarningLSXFranklin3 hr
Nov 14, 10:00 AM CSTFlash Flood WarningLSXIron, Saint Francois4 hr
Nov 14, 10:00 AM CSTFlash Flood WarningLSXReynolds4 hr
Nov 14, 11:00 AM CSTFlash Flood WarningLSXMadison, Perry, Sainte Genevieve3 hr
Nov 14, 11:00 AM CSTFlash Flood WarningLSXCrawford, Dent, Phelps3 hr
Nov 14, 11:00 AM CSTFlash Flood WarningLSXJefferson, Washington3 hr
Nov 14, 12:00 PM CSTFlash Flood WarningLSXFranklin2 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.