Alert archive / Illinois / Flash Flood Warnings in 1990

Flash Flood Warning 14, NWS St. Louis, MO

June 6, 1990Monroe County, Randolph County, Illinois

NWS St. Louis, MO issued this flash flood warning at Jun 6, 1990, 11:15 AM CDT for Monroe County, Randolph County, Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 6, 1990, 11:15 AM CDT (16:15 UTC)
Expired
Jun 6, 1990, 2:30 PM CDT
In force
3 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Monroe County, IL, Randolph County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 4.3 hours before the alert went out and 167 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 12:00Z on 1990-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 154 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1990-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
154 J/kg
Mixed-layer CIN
-506 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
60 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 061619
FFWSTL
ILC005-027-145-189-013-083-119-133-163-MOC071-113-183-189-510-219-
062300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1115 AM CDT WED JUN 6 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL ILLINOIS
          ...BOND...CLINTON...PERRY...WASHINGTON
IN SOUTHWEST ILLINOIS
          ...CALHOUN...JERSEY...MADISON...MONROE...RANDOLPH...
             ST CLAIR
IN EAST CENTRAL MISSOURI
          ...FRANKLIN...JEFFERSON...LINCOLN...ST CHARLES...ST LOUIS
          ...ST LOUIS CITY...WARREN
 
TWO TO FOUR INCHES OF RAIN HAVE FALLEN OVER PORTIONS OF THE ST LOUIS
METROPOLITAN AREA SINCE 7 AM THIS MORNING.  ADDITIONAL HEAVY RAIN IS
EXPECTED THIS AFTERNOON OVER EAST CENTRAL MISSOURI AND SOUTHWEST
ILLIINOIS.
 
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 GROUNDG.
 
EISE

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, 9:36 AM CDT, 1 hour 39 minutes before
MOZALL-061330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
935 AM CDT WED JUN 6 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE NORTH HALF
OF MISSOURI UNTIL NOON CDT...
...FLASH FLOOD WATCH IN EFFECT FOR CENTRAL AND EAST CENTRAL MISSOURI...

AT 925 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS...STRONG GUSTY
WINDS AND HAIL WERE OCCURRING FROM CENTRAL MISSOURI TO SOUTHWEST
ILLINOIS.  THIS AREA EXTENDED FRON NEAR COLUMBIA MISSOURI TO JUST
NORTHEAST OF ALTON ILLINOIS.

THE STRONGER STORM WERE NEAR WASHINGTON ANF UNION MISSOURI.

THESE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. VERY HEAVY RAIN
HAIL AND STRONG WIND MAY OCCUR WITH THESE STORMS.  SOME FLOODING COULD
OCCUR IN LOW LYING AREAS.
Special weather statement, Jun 6, 9:50 AM CDT, 1 hour 25 minutes before
MOZ006-009-010-061550-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
950 AM CDT WED JUN 6 1990

...WATCHES FOR SEVERE THUNDERSTORMS AND FLASH FLOODS ARE IN EFFECT
FOR MUCH OF CENTRAL MISSOURI THIS MORNING...

AT 945 AM THUNDERSTORMS WERE IN A 50 MILE WIDE BAND RUNNING ALONG THE
MISSOURI RIVER.  THE STRONGEST STORMS WERE 40 MILES WEST OF COLUMBIA
AND OVER COLUMBIA...AS WELL AS OSAGE COUNTY.  THE STORMS WERE MOVING
EAST AT 30 MILES AN HOUR WITH DOWNPOURS CAUSING SOME LOCALIZED FLOODING.
FREQUENT LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL ALSO BE PREVALENT.

STAY INSIDE A CAR OR BUILDING IF YOU HEAR THUNDER TO PROTECT YOURSELF
FROM LIGHTNING.  DO NOT DRIVE INTO FLOODED AREAS.  LISTEN TO NOAA WEATHER
RADIO OR OTHER RADIO AND TV FOR THE LATEST INFORMATION INCLUDING WARNINGS.
GET INSIDE A STRONG BUILDING IF A WARNING IS ISSUED FOR WHERE YOU ARE.
GOEBEL
Special weather statement, Jun 6, 9:51 AM CDT, 1 hour 24 minutes before
MOZALL-061330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
935 AM CDT WED JUN 6 1990

THE PORTION OF SEVERE THUNDERSTORM WATCH NUMBER 397 WHICH INCLUDES
THE EXTREME NORTHWEST SECTIONS INCLUDING THE KANSAS CITY AND ST
JOSEPH AREAS HAS BEE TERMINATED.

A FLASH FLOOD IS IN EFFECT UNTIL NOON.

WS
Special weather statement, Jun 6, 10:09 AM CDT, 1 hour 6 minutes before
MOZ011-012-061530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1005 AM CDT WED JUN 6 1990

...A FLASH FLOOD WATCH IN EFFECT FOR THE ST LOUIS METRO AREA UNTIL 6
PM THIS EVENING...

AT 1005 AM CDT RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED...

...IN SOUTH ST LOUIS COUNTY...
...NEAR PACIFIC MISSOURI OR ABOUT 25 MILES SOUTHWEST OF ST LOUIS...
...NEAR ROSEBUD OR ABOUT 60 MILES WEST-SOUTHWEST OF ST LOUIS...

FLOODING OF LOW-LYING AREAS AND PEA-SIZED HAIL MAY BE EXPECTED WITH
THESE STORMS AS THEY MOVE TO THE EAST AT 45 MILES AN HOUR.

EISE
Special weather statement, Jun 6, 10:42 AM CDT, 33 minutes before
MOZALL-061330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1035 AM CDT WED JUN 6 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE NORTH HALF
OF MISSOURI UNTIL NOON CDT...
...FLASH FLOOD WATCH IN EFFECT FOR CENTRAL AND EAST CENTRAL MISSOURI...

AT 1025 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINS...STRONG GUSTY
WINDS AND HAIL WERE OCCURRING FROM CENTRAL MISSOURI TO SOUTHWEST
ILLINOIS.  THIS AREA EXTENDED FRON NEAR ROLLA MISSOURI TO NEAR VANDALIA
ILLINOIS.

THE STRONGER STORM WERE NEAR COLUMBIA...ROSEBUD AND JUST SOUTH OF
ST LOUIS MISSOURI. IN ILLINOIS STRONG STORMS WERE NEAR VANDALIA.

THESE STORMS WERE MOVING TO THE EAST AT 45 MILES AN HOUR. VERY HEAVY RAIN
HAIL AND STRONG WIND MAY OCCUR WITH THESE STORMS.  SOME FLOODING COULD
OCCUR IN LOW LYING AREAS.
Special weather statement, Jun 6, 11:13 AM CDT, 2 minutes before
MOZ006-009-010-011-013-014-061700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1110 AM CDT WED JUN 6 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE IN CENTRAL MISSOURI...

AT 11 AM SHOWERS AND THUNDERSTORMS WERE IN A 40 MILE WIDE BAND FROM
40 MILES NORTHEAST OF COLUMBIA TO THE LAKE OF THE OZARKS.  MOVEMENT WAS
EAST AT 35 MILES AN HOUR.  THE STRONGEST STORMS WERE OVER BOONE COUNTY.
STRONG WINDS...INCESSANT LIGHTNING AND SOME HAIL WILL OCCUR WITH THESE
STORMS...ALONG WITH DOWNPOURS THAT WILL CAUSE SOME FLOODING.  IF YOU ARE
IN BOONE OR CALLAWAY COUNTY STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE
STORMS HAVE PASSED.

THUNDERSTORMS MAY DIMINISH OVER MID-MISSOURI SHORTLY AFTER NOON...BUT
MORE STORMS ARE LIKELY LATER TODAY.  STAY INDOORS WHEN THUNDERSTORMS
ARE OCCURRING IN YOUR AREA.  AFTER THE STORMS HAVE PASSED...FLOWING
STREAMS WILL STILL BE A DANGER AND SHOULD BE AVOIDED.  LISTEN TO NOAA
WEATHER RADIO OR OTHER< RADIO AND TV FOR THE LATEST INFORMATION.
GOEBEL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 11:15 AM CDTFlash Flood WarningLSXClinton, Perry, Washington7 hr
Jun 6, 11:15 AM CDTFlash Flood WarningLSXBond7 hr
Jun 6, 11:15 AM CDTFlash Flood WarningLSXMadison, Saint Clair3 hr
Jun 6, 11:15 AM CDTFlash Flood WarningLSXCalhoun, Jersey3 hr

Nearby

Flash Flood Warnings in Illinois, 1990Every flash flood warning in 1990

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.