Alert archive / Missouri / Flash Flood Warnings in 1992
Flash Flood Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 20, 1992, 8:35 PM CDT for Warren County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1992, 8:35 PM CDT (01:35 UTC)
- Expired
- Jul 21, 1992, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Warren County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.6 hours before the alert went out and 287 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
- 1127 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 24 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 210135 FFWSTL MOC219-210500- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 835 PM CDT MON JUL 20 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1200 AM CDT ... IN EAST CENTRAL MISSOURI ...WARREN COUNTY AT 825 PM...NWS DOPPLER RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM SOUTH OF HERMAN TO SOUTH OF WRIGHT CITY...IN WARREN COUNTY MISSOURI...45 MILES WEST OF ST. LOUIS. THE AREA AVERAGED 40 MILES WIDE. AREAL MOVEMENT WAS VERY LITTLE...WITH STORM MOVEMENT TO THE EAST AT 20 MPH. DOPPLER RADAR INDICATED THAT RAINFALL AMOUNTS OF 1.5 TO 2 INCHES HAD POSSIBLY FALLEN OVER PORTIONS OF WARREN COUNTY SINCE 5 PM. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE... MAKING FLASH FLOODING LIKELY IN MANY AREAS OF WARREN COUNTY MISSOURI. 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. 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. JP/EHG
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 20, 5:50 PM CDT, 2 hours 45 minutes before
MOZ006-009-010-013-014-202330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 445 PM CDT MON JUL 20 1992 ...STRONG THUNDERSTORMS CONTINUED OVER CENTRAL MISSOURI... AT 445PM...SCATTERED THUNDERSTORMS WERE LOCATED ALONG THE FRONT THAT BISECTED THE STATE FROM JUST NORTH OF ST LOUIS...TO NEAR JOLIN. THE STRONGEST STORMS WERE LOCATED IN A NARROW LINE THAT STRETCHED FROM ST LOUIS...TO JEFFERSON CITY...TO 50 MILES SOUTHWEST OF JEFFERSON CITY. THE LINE SHOWED LITTLE MOVEMENT...BUT INDIVIDUAL STORMS WERE MOVING EAST AT 20 MPH. HEAVY RAINS...STRONG GUSTY WINDS...SMALL HAIL AND DANGEROUIS LIGHTNING CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE THROUGH CENTRAL MISSOURI DURING THE NEXT SEVERAL HOURS. THE COMMUNITIES MOST VULNERABLE TO THESE STRONG STORMS ARE THOSE FROM THE LAKE OF THE OZARKS...TO AROUND JEFFERSON CITY...TO HERMANN MISSOURI. . RESIDENTS IN CENTRAL AND SOUTH CENTRAL MISSOURI SHOULD BE ON THE ALERT FOR RAPIDFLY CHANGING WEATHER CONDITIONS...AND STAY TONE TO WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS. REPORT ANY SEVERE WEATHER SIGHTINGS TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. PERLOW
Special weather statement, Jul 20, 6:23 PM CDT, 2 hours 12 minutes before
MOZ010-011-012-014-ILZ009-011-210230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 625 PM CDT MON JUL 20 1992 ...THUNDERSTORMS ARE LINING UP ACROSS EAST CENTRAL MISSOURI AND SOUTHERN ILLINOIS... AT 615 PM CDT A NEARLY SOLID NARROW LINE OF THUNDERSTORMS TRAILED FROM NEAR EFFINGHAM ILLINOIS...WEST SOUTHWESTWARD JUST NORTH OF INTERSTATE 70 TO NORTHERN PORTIONS OF THE ST LOUIS METROPOLITAN AREA...INCLUDING ST CHARLES. THE LINE EXTENDED WEST INTO CENTRAL MISSOURI THROUGH WRIGHT CITY...HERMANN...TO LAKE OF THE OZARKS. INDIVIDUAL STORMS ARE MOVING EAST NORTHEAST ALONG THE LINE AND FOLLOWING ONE ANOTHER ALONG THIS LINE. LOCALLY HEAVY RAINS ARE LIKELY THROUGH MID EVENING." LOCAL FLOODING IS PROBABLE. LATER STATEMENTS WILL BE ISSUED CONCERNING THIS CONDITIONS THIS EVENING. PEDIGO
Local storm report, Jul 20, 6:47 PM CDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
646 PM CDT MON JUL 20 1992
...REPORTS FROM THE AFTERNOON AND EVENING OF MONDAY...JULY 20TH...
TIME (CDT) COUNTY EVENT
1249 PM WASHINGTON PEA SIZE HAIL NEAR VENEDY ILLINOIS
ILLINOIS FROM DU QUOIN ILLINOIS POLICE.
230 PM RANDOLPH THUNDERSTORM WIND GUSTY TO 60 MPH...IN
ILLINOIS CITY OF RUMA...FROM DISTRICT 11...ILLINOIS
STATE POLICE.
235 PM ST LOUIS COUNTY PEA SIZE HAIL IN BALLWIN FROM
MISSOURI LOCAL SPOTTER.
305 PM ST CLAIR MARBLE SIZE HAIL IN COLLINSVILLE
ILLINOIS NEAR I-255 FROM COUNTY SHERIFF.
345 PM FRANKLIN MARBLE SIZE 1 MILE WEST OF BUFORD AND
MISSOURI NEAR LESLIE FROM COUNTY SHERIFF.
403 PM FRANKLIN 3/4 INCH HAIL 5 MILES WEST OF UNION
MISSOURI FROM COUNTY EMS.
412 PM FRANKLIN POWER LINES DOWN 5 MILES SOUTH OF
MISSOURI WASHINGTON NEAR HWY 50 FROM LOCAL SPOTTER.
425-430 PM WASHINGTON POWER LINES DOWN AT OKAWVILLE FROM
ILLINOIS SHERIFF DEPARTMENT.
435 PM WASHINGTON TREES UPROOTED AT COVINGTON FROM SHERIFF
ILLINOIS DEPARTMENT.
500 PM WASHINGTON POWER LINES DOWNED IN IRVINGTON FROM
ILLINOIS SHERIFF DEPARTMENT
503 PM ST CHARLES PEA SIZE HAIL 1/2 MILE NORTH OF NEW MELLE
MISSOURI FROM LOCAL SPOTTER.
510-515 PM ST CHARLES 1 INCH HAIL...THE SIZE OF QUARTERS...1/2
MISSOURI MILE EAST OF NEW MbELLE FROM SPOTTER NETWORK.
HAIL FLATTENED GARDEN.
LP/EHGSpecial weather statement, Jul 20, 6:54 PM CDT, 1 hour 41 minutes before
ILZ010-012-210100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 650 PM CDT MON JUL 20 1992 ...STRONG THUNDERSTORMS ARE OVER EFFINGHAM COUNTY AND MARION COUNTY ILLINOIS... AT 648 PM...NWS DOPPLER RADAR INDICATED STRONG THUNDERSTORM JUST SOUTH OF EFFINGHAM...ILLINOIS AND ANOTHER STORM NEAR KINMUNDY...ABOUT 20 MILES SOUTHWEST OF EFFINGHAM. THESE STORMS WERE MOVING EAST AT 15 TO 20 MPH. THEY WILL MOVE THROUGH EFFINGHAM AND MARION COUNTIES IN ILLINOIS BETWEEN 7 AND 8 PM. THEY WILL PRODUCE BRIEF VERY HEAVY RAIN...GUSTY WIND AND POSSIBLY SMALL HAIL. THIS HEAVY RAIN WILL REDUCE VISIBILITIES TO LESS THAN 100 FEET AND WILL CAUSE POOLING OF WATER ON AREA ROADWAYS. DRIVERS SlHOULD BE PREPARED TO SLOW DOWN AND POSSIBLY PULL OVER AND STOP. TUCKER
Special weather statement, Jul 20, 6:56 PM CDT, 1 hour 39 minutes before
ILZ010-011-012-210100- SPECIAL WEATHER STATEMENT...CORRECTEF HEADING NATIONAL WEATHER SERVICE ST LOUIS MO 650 PM CDT MON JUL 20 1992 ...STRONG THUNDERSTORMS ARE OVER EFFINGHAM COUNTY AND MARION COUNTY ILLINOIS... AT 648 PM...NWS DOPPLER RADAR INDICATED STRONG THUNDERSTORM JUST SOUTH OF EFFINGHAM...ILLINOIS AND ANOTHER STORM NEAR KINMUNDY...ABOUT 20 MILES SOUTHWEST OF EFFINGHAM. THESE STORMS WERE MOVING EAST AT 15 TO 20 MPH. THEY WILL MOVE THROUGH EFFINGHAM AND MARION COUNTIES IN ILLINOIS BETWEEN 7 AND 8 PM. THEY WILL PRODUCE BRIEF VERY HEAVY RAIN...GUSTY WIND AND POSSIBLY SMALL HAIL. THIS HEAVY RAIN WILL REDUCE VISIBILITIES TO LESS THAN 100 FEET AND WILL CAUSE POOLING OF WATER tON AREA ROADWAYS. DRIVERS SHOULD BE PREPARED TO SLOW DOWN AND POSSIBLY PULL OVER AND STOP. TUCKER
Special weather statement, Jul 20, 7:28 PM CDT, 1 hour 7 minutes before
MOZ006-009-010-013-014-210130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 720 PM CDT MON JUL 20 1992 ...A FLASH FLOOD WARNING IS IN EFFECT FOR COLE COUNTY UNTIL 830 PM... ...STRONG THUNDERSTORMS CONTINUED OVER CENTRAL MISSOURI... AT 720PM...SCATTERED THUNDERSTORMS WERE LOCATED ALONG A FRONT THAT BISECTED THE STATE FROM JUST NORTH OF ST LOUIS...TO NEAR JOLIN. THE STRONGEST STORMS WERE LOCATED IN A NARROW LINE THAT STRETCHED FROM ST LOUIS...TO JEFFERSON CITY...TO 25 MILES SOUTHWEST OF JEFFERSON CITY. THE LINE SHOWED LITTLE MOVEMENT...BUT INDIVIDUAL STORMS WERE MOVING EAST AT 20 MPH. LESSER SHOWERS WERE LOCATED OVER THE LAKE OF THE OZARKS AND LIGHT TO MODERATE RAIN WAS OBSERVED IN THE NORTHEAST QUADRANT OF THE STATE. THE MOST DANGEROUS ASPECT OF THESE STORMS IS THE REPEATED MOVEMENT OF HEAVY SHOWERS OVER AREAS ALREADY SATURATED BY PREVIOUS RAIN. OFFICIAL RAINFALL TOTALS AT THE JEFF CITY AIRPORT SHOWED AMOUNTS IN EXCESS OF ONE INCH. UNOFFICIAL REPORTS OF TWO TO THREE INCHES OF RAIN WERE REPORTED IN AND JUST WEST OF JEFERSON CITY. ADDITIONAL HEAVY RAINS ARE EXPECTED TO MOVE ACROSS COLE COUNTY AND THE CAPITOL CITY FOR MOST OF EVENING. IF YOU LIVE IN AN: AREA PRONE TO FLOODING...YOU SHOULD MAKE PREPARATION TO MOVE TO HIGHER GROUND. STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA FOR ADDITIONAL UPDATES OR WARNINGS. PERLOW
Nearby
Flash Flood Warnings in Missouri, 1992Every flash flood warning in 1992
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.