Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 3, NWS St. Louis, MO

May 16, 1990Lincoln County, Saint Charles County, Warren County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 16, 1990, 4:45 AM CDT for Lincoln County, Saint Charles County, Warren County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 16, 1990, 4:45 AM CDT (09:45 UTC)
Expired
May 16, 1990, 9:00 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Lincoln County, MO, Saint Charles County, MO, Warren County, MO

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 00:00Z, 9.8 hours before the alert went out and 280 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 1990-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1196 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 00:00Z on 1990-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
1196 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 160943
FFWSTL
ILC013-MOC113-183-219-161400-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
445 AM CDT WED MAY 16 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSU

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, May 16, 2:44 AM CDT, 2 hours 1 minute before
MOZALL-160830-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
240 AM CDT WED MAY 16 1990

...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL
ILLINOIS UNTIL 5 AM CDT WEDNESDAY....
...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO
CENTRAL ILLINOIS UNTIL 11 AM CDT WEDNESDAY...

AT 228 AM CDT...STRONG THUNDERSTORMS WERE OCCURRING FROM EAST CENTRAL
MISSOURI INTO SOUTHERN ILLINOIS.

THIS BAND OF STORMS STRETCHED FROM 50 MILES SOUTHWEST OF ST LOUIS TO
NEAR MATTOON IN EAST CENTRAL ILLINOIS. THESE STORMS HAVE A HISTORY OF
STRONG GUSTY WINDS...TORRENTIAL DOWNPOURS...AND HAIL. FLOODING MAY
RESULT FROM THE STORMS IN STREETS AND LOW AREAS AS THEY MOVE TO THE
EAST AT 40 MILES AN HOUR.

OTHER THUNDERSTORMS AND SHOWERS WERE IN A LARGE AREA FROM CENTRAL
MISSOURI ACROSS MUCH OF THE SOUTHERN TWO-THIRDS OF ILLINOIS.

PERSONS IN THE VICINITY OF THE STORNGER STORMS SHOULD BE ON THE
LOOKOUTR FOR ANY SEVERE WEATHER AND POSSIBLE FLOODING SITUATIONS.
DH
Special weather statement, May 16, 3:11 AM CDT, 1 hour 34 minutes before
MOZ009-010-011-013-014-160900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
310 AM CDT WED MAY 16 1990

...STRONG THUNDERSTORMS WERE IN AUDRAIN AND BOONE COUNTIES AT 3 AM...

THUNDERSTORMS WITH TORRENTIAL RAIN AND INCESSANT LIGHTNING WERE OVER
AUDRAIN AND BOONE COUNTIES...INCLUDING THE CITY OF COLUMBIA AT 3 AM.
HAIL AND STRONG WINDS MAY ALSO ACCOMPANY THESE STORMS.  IF YOU ARE IN
AUDRAIN...BOONE OR CALLAWAY COUNTY STAY INDOORS IF POSSIBLE UNTIL THE
STORMS HAVE PASSED.  THE STORMS WERE MOVING EAST AT 40 MILES AN HOUR.

SHOWERS AND A FEW THUNDERSTORMS WERE OVER WESTERN SECTIONS OF CENTRAL
MISSOURI AROUND SEDALIA AND THE TRUMAN RESERVOIR AT 3 AM...MOVING EAST.
A TORNADO WATC|H AND A FLASH FLOOD WATCH CONTINUE OVER ALL OF THIS AREA.
SLOW DOWN IF DRIVING IN MID-MISSOURI AND DO NOT CROSS FLOODED ROADS.
GOEBEL
Special weather statement, May 16, 3:13 AM CDT, 1 hour 32 minutes before
MOZALL-ILZ009>012-160830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
305 AM CDT WED MAY 16 1990

...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL
ILLINOIS UNTIL 5 AM....
...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO
CENTRAL ILLINOIS UNTIL 11 AM CDT WEDNESDAY...

AT 3 AM THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND
SOME HAIL EXTENDED ACROSS SOUTHERN ILLINOIS INTO EAST CENTRAL
MISSOURI...FROM 20 MILES EAST OF EFFINGHAM ILLINOIS TO AROUND
CENTRALIA ILLINOIS TO 30 MILES SOUTH OF ST LOUIS...AND 50 MILES
SOUTHWEST OF ST LOUIS.

WIND DAMAGE WAS REPORTED TO A HOME JUST NORTHWEST OF EFFINGHAM
ILLINOIS AS ONE OF THESE STORMS MOVED THROUGH THAT AREA AROUND 230 AM.
ANOTHER REPORT OF WIND DAMAGE WAS RECEIVED FROM NEAR DIETERICH ILLINOIS
IN EFFINGHAM COUNTY JUST BEFORE 3 AM.  GOLF BALL SIZE HAIL WAS REPORTED
AT EDWARDSVILLE ILLINOIS...20 MILES NORTHEAST OF ST LOUIS JUST
BEFORE 2 AM.

THE STORMS WERE MOVING TO THE EAST SOUTHEAST AT 40 MPH...PUSHING
FARTHER INTO SOUTHEAST AND SOUTHERN ILLINOIS AND THE COUNTIES JUST
SOUTH OF ST LOUIS.

ANOTHER AREA OF THUNDERSTORMS WITH STRONG WINDS...VERY HEAVY RAIN
AND POSSIBLY HAIL WAS IN CENTRAL MISSOURI...EXTENDING INTO THE
SOUTHWEST PART OF THE STATE.  IN CENTRAL MISSOURI THE STRONGEST
STORMS EXTENDED FROM NEAR VANDALIA MISSOURI...50 MILES NORTHEAST
OF COLUMBIA THROUGH THE CITY OF COLUMBIA.  THESE STORMS WERE
MOVING EAST AT 40 MPH.

MCCARTHY
Special weather statement, May 16, 3:41 AM CDT, 1 hour 4 minutes before
MOZALL-ILZ009>012-160930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
340 AM CDT WED MAY 16 1990

...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL
ILLINOIS UNTIL 5 AM....
...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO
CENTRAL ILLINOIS UNTIL 11 AM CDT WEDNESDAY...

AT 329 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND
SOME HAIL WERE OCCURRING IN CENTRAL AND SOUTHEAST MISSOURI AND SOUTHERN
ILLINOIS.

THESE STORMS WERE LOCATED JUST NORTH OF COLUMBIA MISSOURI...20 MILES
WEST OF DESOTO MISSOURI OR 45 MILES SOUTHWEST OF ST LOUIS...AND FROM 25
MILES SOUTHEAST OF ST LOUIS TO JUST EAST OF SALEM ILLINOIS. PERSONS
NEAR THESE STORMS SHOULD BE ALERT FOR SEVERE WEATHER AND BE AWARE OF
THE POSSIBILITY OF FLOODING IN STREETS AND LOW AREAS. THE STORMS WERE
MOVING TO THE EAST AT 40 MILES AN HOUR.

THE STORMS WERE PART OF AN EXTENSIVE AREA OF SHOWERS AND THUNDERSTORMS
THAT COVERED MUCH OF THE SOUTHERN TWO-THIRDS OF MISSOURI AND SOUTHERN
TWO-THIRDS OF ILLINOIS.
DH
Special weather statement, May 16, 4:11 AM CDT, 34 minutes before
MOZ009-010-011-013-014-161000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
410 AM CDT WED MAY 16 1990

...THUNDERSTORM INTENSITY HAS DIMINISHED IN CENTRAL MISSOURI...

AT 4 AM SHOWERS AND THUNDERSTORMS COVERED MOST OF CENTRAL MISSOURI.
THE INTENSITY OF THE STORMS HAS DECREASED IN THE PAST HOUR ALTHOUGH
FREQUENT LIGHTNING AND GUSTY WINDS WILL CONTINUE.  RAIN WILL ALSO
CONTINUE...SO THE FLASH FLOOD WATCH FOR CENTRAL MISSOURI HAS BEEN
EXTENDED FOR ALL DAY.  THE TORNADO WATCH FOR CENTRAL MISSOURI HAS
BEEN CANCELLED.

SLOW DOWN IF DRIVING IN MID-MISSOURI AND DO NOT CROSS FLOODED ROADS.
KEEP LISTENING TO THIS STATION FOR THE LATEST INFORMATION...INCLUDING
ANY FLASH FLOOD WARNINGS.
GOEBEL
Special weather statement, May 16, 4:41 AM CDT, 4 minutes before
MOZALL-ILZ009>012-161030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
440 AM CDT WED MAY 16 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST MISSOURI AND
SOUTHERN ILLINOIS UNTIL 9 AM CDT...
...A FLASH FLOOD WATCH REMAINS POSTED TODAY FOR MOST OF MISSOURI EXCEPT
THE NORTHWEST AND BOOTHEEL...

AT 329 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND
POSSIBLE HAIL WERE OCCURRING IN PARTS OF EAST MISSOURI AND SOUTHWEST
ILLINOIS.

THESE STORMS WERE LOCATED 25 TO 50 MILES EAST OF COLUMBIA MISSOURI
NEAR MONTGOMERY CITY AND WARRENTON...AND 30 TO 40 MILES SOUTH OF ST
LOUIS BETWEEN RED BUD AND PRAIRIE DU ROCHER ILLINOIS. THESE STORMS ARE
CAPABLE OF PRODUCING WINDS NEAR 50 MILES AN HOUR AND COULD CAUSE SOME
FLOODING OF STREETS AND LOW AEREAS. THEY WRER MOVING TO THE EAST AT
40 MILES AN HOUR.

THE STORMS WERE PART OF AN EXTENSIVE AREA OF SHOWERS AND THUNDERSTORMS
THAT COVERED MUCH OF THE SOUTHERN TWO-THIRDS OF MISSOURI AND SOUTHERN
HALF OF ILLINOIS.
DH

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 11:05 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls25 min
May 15, 11:35 PM CDTSevere Thunderstorm WarningLSXPike40 min
May 15, 11:51 PM CDTSevere Thunderstorm WarningLSXLincoln54 min
May 16, 1:02 AM CDTSevere Thunderstorm WarningLSXLincoln, Warren43 min
May 16, 1:14 AM CDTSevere Thunderstorm WarningLSXSaint Charles46 min
May 16, 3:33 AM CDTSevere Thunderstorm WarningLSXJefferson27 min
May 16, 4:08 AM CDTSevere Thunderstorm WarningLSXLincoln37 min
May 16, 2:26 PM CDTSevere Thunderstorm WarningLSXFranklin, Warren43 min
May 16, 2:55 PM CDTSevere Thunderstorm WarningLSXSaint Charles14 min
May 16, 2:55 PM CDTSevere Thunderstorm WarningLSXSaint Louis50 min
May 16, 3:47 PM CDTFlash Flood WarningLSXSaint Charles7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXLincoln, Warren7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXFranklin, Saint Louis7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXCity of Saint Louis7 hr
May 16, 4:54 PM CDTSevere Thunderstorm WarningLSXCrawford, Phelps36 min
May 16, 4:56 PM CDTTornado WarningLSXSaint Louis22 min
May 16, 5:09 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis51 min
May 16, 5:23 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis52 min
May 16, 5:23 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis52 min
May 16, 5:29 PM CDTSevere Thunderstorm WarningLSXCrawford, Washington61 min
May 16, 6:07 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve, Saint Francois53 min

Nearby

Flash Flood Warnings in Missouri, 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.