Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 6, 1993, 1:25 PM CDT for Jefferson County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1993, 1:25 PM CDT (18:25 UTC)
- Expired
- Jun 6, 1993, 4:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 6.4 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 061828 FFWSTL MOC099-062100- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 125 PM CDT SUN JUN 6 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...JEFFERSON COUNTY AT 125 PM...WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN MOVING THROUGH FRANKLIN COUNTY MISSOURI...AND ACROSS NORTHERN SECTIONS OF JEFFERSON COUNTY. THE LINE OF STORMS EXTENDED FROM 30 MILES SOUTHWEST OF ST LOUIS NEAR HILLSBORO...TO NEAR JEFFERSON CITY. SINCE ALL OF THE STORMS WERE MOVING EAST-SOUTHEAST AT 30 MILES AN HOUR...SEVERAL OF THESE HEAVY RAIN-MAKERS WILL BE PASSING OVER THE SAME LOCATION...PRODUCING A THREAT OF FLASH FLOODING. RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE THAT SOME OF THESE STORMS WERE PRODUCING WELL OVER AN INCH OF RAIN IN AN HOURS TIME...AND DURING THE MORNING AND EARLY AFTERNOON PARTS OF CENTRAL MISSOURI HAVE RECEIVED WELL OVER 3 INCHES OF RAIN IN A SHORT PERIOD OF TIME. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. IN ADDITION...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR FRANKLIN COUNTY UNTIL 4 PM. AN URBAN AND SMALL STREAM ADVISORY ALSO CONTINUES FOR ST LOUIS CITY...ST LOUIS AND ST CHARLES COUNTIES IN MISSOURI...AS WELL AS FOR MADISON...ST CLAIR..AND MONROE COUNTIES IN ILLINOIS...UNTIL 4 PM. TRUEBTT
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 6, 10:55 AM CDT, 2 hours 30 minutes before
MOZ007-061700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1055 AM CDT SUN JUN 6 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MONROE COUNTY UNTIL 200 PM CDT... AT 1050 AM...RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST MISSOURI...WITH STRONGER STORMS MOVING ACROSS CENTRAL MISSOURI. THIS ACTIVITY WAS MOVING EAST AT 30 MILES AN HOUR. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORMS ACROSS MONROE COUNTY IN NORTHEAST MISSOURI. IF A STRONG STORM MOVES INTO YOUR AREA MOVE TO A PLACE OF SHELTER QUICKLY. VERY HEAVY RAIN...HAIL AND DEADLY LIGHTNING ARE THE MAIN THREATS FROM THESE STORMS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER DETAILS AND POSSIBLE WARNINGS. SHEA
Special weather statement, Jun 6, 10:56 AM CDT, 2 hours 29 minutes before
MOZ007-061700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1055 AM CDT SUN JUN 6 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MONROE COUNTY UNTIL 200 PM CDT... AT 1050 AM...RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST MISSOURI...WITH STRONGER STORMS MOVING ACROSS CENTRAL MISSOURI. THIS ACTIVITY WAS MOVING EAST AT 30 MILES AN HOUR. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORMS ACROSS MONROE COUNTY IN NORTHEAST MISSOURI. IF A STRONG STORM MOVES INTO YOUR AREA MOVE TO A PLACE OF SHELTER QUICKLY. VERY HEAVY RAIN...HAIL AND DEADLY LIGHTNING ARE THE MAIN THREATS FROM THESE STORMS. LISTEN TO NOAA WEATHER RADIO FOR FURTHER DETAILS AND POSSIBLE WARNINGS. SHEA
Special weather statement, Jun 6, 11:20 AM CDT, 2 hours 5 minutes before
MOZ011-061815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1120 AM CDT SUN JUN 6 1993 ...HEAVY RAINS MOVING INTO PARTS OF EAST CENTRAL MISSOURI... AT 1120 AM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINS MOVING INTO PARTS OF EAST CENTRAL MISSOURI. THESE THUNDERSTORMS EXTENDED FROM 60 MILES SOUTHWEST OF ST LOUIS...TO ABOUT 55 MILES WEST-NORTHWEST OF ST LOUIS. THE STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR...AND WILL BE PASSING THROUGH PARTS OF LINCOLN...WARREN...AND FRANKLIN COUNTIES BETWEEN 1120 AND 1230 PM. TORRENTIAL RAINS CAN BE EXPECTED WITH THE PASSAGE OF SOME OF THESE STORMS...AS WELL AS SOME SMALL HAIL AND WINDS OF 30 TO 40 MILES AN HOUR. TRUETT
Special weather statement, Jun 6, 11:22 AM CDT, 2 hours 3 minutes before
MOZ011-061815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1120 AM CDT SUN JUN 6 1993 ...HEAVY RAINS MOVING INTO PARTS OF EAST CENTRAL MISSOURI... AT 1120 AM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINS MOVING INTO PARTS OF EAST CENTRAL MISSOURI. THESE THUNDERSTORMS EXTENDED FROM 60 MILES SOUTHWEST OF ST LOUIS...TO ABOUT 55 MILES WEST-NORTHWEST OF ST LOUIS. THE STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR...AND WILL BE PASSING THROUGH PARTS OF LINCOLN...WARREN...AND FRANKLIN COUNTIES BETWEEN 1120 AND 1230 PM. TORRENTIAL RAINS CAN BE EXPECTED WITH THE PASSAGE OF SOME OF THESE STORMS...AS WELL AS SOME SMALL HAIL AND WINDS OF 30 TO 40 MILES AN HOUR. TRUETT
Special weather statement, Jun 6, 12:17 PM CDT, 1 hour 8 minutes before
MOZ004-005-006-007-008-010-061915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1217 PM CDT SUN JUN 6 1993 ...PARTS OF SEVERE THUNDERSTORM WATCH #345 HAVE BEEN CANCELLED... SEVERAL COUNTIES IN NORTH MISSOURI HAVE BEEN CANCELLED FROM THE SEVERE THUNDERSTORM WATCH. THE FOLLOWING COUNTIES ARE NO LONGER INCLUDED IN THE WATCH... ..NORTHWEST.. ANDREW BUCHANAN CLINTON DE KALB HOLT ..NORTH CENTRAL.. LINN MACON CHARITON RANDOLPH ..NORTHEAST.. MONROE THIS CLEARS MISSOURI FORECAST ZONES 4..6 AND 7 FROM THE WATCH. THE REMAINING COUNTIES IN WEST CENTRAL AND CENTRAL MISSOURI ARE STILL UNDER A SEVERE THUNDERSTORM WATCH. SHEA
Special weather statement, Jun 6, 12:18 PM CDT, 1 hour 7 minutes before
MOZ004-005-006-007-008-010-061915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1217 PM CDT SUN JUN 6 1993 ...PARTS OF SEVERE THUNDERSTORM WATCH #345 HAVE BEEN CANCELLED... SEVERAL COUNTIES IN NORTH MISSOURI HAVE BEEN CANCELLED FROM THE SEVERE THUNDERSTORM WATCH. THE FOLLOWING COUNTIES ARE NO LONGER INCLUDED IN THE WATCH... ..NORTHWEST.. ANDREW BUCHANAN CLINTON DE KALB HOLT ..NORTH CENTRAL.. LINN MACON CHARITON RANDOLPH ..NORTHEAST.. MONROE THIS CLEARS MISSOURI FORECAST ZONES 4..6 AND 7 FROM THE WATCH. THE REMAINING COUNTIES IN WEST CENTRAL AND CENTRAL MISSOURI ARE STILL UNDER A SEVERE THUNDERSTORM WATCH. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 1:00 PM CDT | Flash Flood Warning | LSX | Franklin | 3 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.