Alert archive / Illinois / Flash Flood Warnings in 1995

Flash Flood Warning 14, NWS St. Louis, MO

May 17, 19956 counties in Illinois; City of Saint Louis, Missouri

NWS St. Louis, MO issued this flash flood warning at May 17, 1995, 11:56 PM CDT for 6 counties in Illinois; City of Saint Louis, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 17, 1995, 11:56 PM CDT (04:56 UTC)
Expired
May 18, 1995, 4:00 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Clinton County, IL, Madison County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, City of Saint Louis, MO

The radar

The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 04:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.9 hours before the alert went out and 216 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, Lincoln, IL at 00:00Z on 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
484 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
293 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 180459
FFWSTL
ILC005-027-049-051-081-121-145-189-013-083-119-133-157-163-MOC071-
099-183-189-186-510-157-180900-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1156 PM CDT WED MAY 17 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...BOND COUNTY...CLINTON COUNTY...EFFINGHAM COUNTY
   ...FAYETTE COUNTY...JEFFERSON COUNTY...MARION COUNTY...PERRY COUNTY
   ...WASHINGTON COUNTY
 
IN SOUTHWEST ILLINOIS
 
   ...CALHOUN COUNTY...JERSEY COUNTY...MADISON COUNTY
   ...MONROE COUNTY...RANDOLPH COUNTY...ST CLAIR COUNTY
 
 
IN EAST CENTRAL MISSOURI
 
   ...FRANKLIN COUNTY...JEFFERSON COUNTY...ST CHARLES COUNTY
   ...ST LOUIS COUNTY...STE GENEVIEVE COUNTY
 
  AND THE INDEPENDENT CITY OF
 
   ...ST LOUIS CITY
 
IN SOUTHEAST MISSOURI
 
   ...PERRY COUNTY
 
AT 1155 PM...THUNDERSTORMS WITH HEAVY RAIN CONTINUED TO DOT EAST CENTRAL
MISSOURI AND SOUTHWEST ILLINOIS. ALTHOUGH THE WIDESPREAD RAINS OF
WEDNESDAY APPEAR TO BE SUBSIDING...THE POCKETS OF HEAVY RAIN WILL
CONTINUE THE FLASH FLOOD THREAT INTO THE EARLY MORNING HOURS.
 
ALTHOUGH THE RAINS MAY COME TO AN END OVER THE NEXT FEW HOURS...FLOODING
PROBLEMS WILL PERSIST IN MANY AREAS THROUGHOUT THE NIGHT.  MOTORISTS AND
THOSE LIVING IN FLOOD PRONE AREAS SHOULD REMAIN ALERT!!!
 
BE ESPECIALLY CAUTIOUS TONIGHT...SINCE DARKNESS OFTEN OBSCURES THE
DANGERS OF FLOODING.  NEVER DRIVE OR WALK INTO FLOOD WATER.
 
IF YOU LIVE NEAR A SMALL STREAM OR OTHER LOW LYING FLOOD-
PRONE AREA...BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY.
YOUR LIFE MAY DEPEND ON IT.
 
TRUETT/METZE

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 17, 8:04 PM CDT, 3 hours 52 minutes before
MOZ068-180305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
803 PM CDT WED MAY 17 1995

...A STRONG THUNDERSTORM IS HEADING FOR HICKORY COUNTY...

AT 8PM A THUNDERSTORM WAS LOCATED 50 MILES NORTHWEST OF
SPRINGFIELD...OR 45 MILES SOUTHWEST OF HERMITAGE NEAR JERICO SPRINGS.

THIS STORM HAS HAD A HISTORY OF EXTREMELY STRONG WINDS AND MAY HAVE
PRODUCED A SHORT-LIVED TORNADO AS IT MOVED THROUGH BARTON COUNTY IN
EXTREME WESTERN MISSOURI.

MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.

IT SHOULD REACH THE POMME DE TERRE LAKE AREA IN SOUTHERN HICKORY COUNTY
BY 9PM.

A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT AND A FLASH FLOOD WATCH IS
IN EFFECT THROUGH TOMORROW MORNING.

IF SEVERE WEATHER IS OBSERVED...CONTACT YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR INFORMATION TO THE NATIONAL
WEATHER SERVICE.

IF YOU SPOT A TORNADO...NEVER TRY TO OUTRUN IT IN A CAR.  CARS ARE
EASILY TOSSED AROUND BY TORNADO 4WINDS.

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.

REAUGH
Special weather statement, May 17, 8:43 PM CDT, 3 hours 13 minutes before
MOZ069-180345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
842 PM CDT WED MAY 17 1995

..STRONG THUNDERSTORMS ARE HEADING FOR CAMDEN COUNTY...

AT 840PM THE LEADING EDGE OF A LINE OF STRONG THUNDERSTORMS WAS FROM 35
MILES SOUTH OF SEDALIA TO 30 MILES NORTH OF SPRINGFIELD...OR ROUGHLY
FROM WARSAW TO BOLIVAR.

MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.

THESE STORMS SHOULD REACH THE WESTERN BORDER OF CAMDEN COUNTY BY
910PM...AND CAMDENTON BY 945PM.

THE STORMS HAVE HAD A HISTORY OF EXTREMELY STRONG WINDS...LARGE
HAIL...AND TORRENTIAL RAIN.

A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT AND A FLASH FLOOD WATCH IS
IN EFFECT THROUGH TOMORROW MORNING.

IF YOU SPOT A TORNADO...NEVER TRY TO OUTRUN IT IN A CAR.  CARS ARE
EASILY TOSSED AROUND BY TORNADO WINDS.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

REAUGH
Special weather statement, May 17, 9:36 PM CDT, 2 hours 20 minutes before
MOZ057-180335-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
934 PM CDT WED MAY 17 1995

...STRONG THUNDERSTORMS ARE HEADING FOR MILLER COUNTY...

AT 933PM A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 25 MILES TO 65
MILES SOUTHWEST OF JEFFERSON CITY...OR FROM HIGH POINT TO MACKS CREEK.

MOVEMENT WAS TO THE EAST AT 40 MPH.

THESE STORMS WILL REACH OSAGE BEACH BY 945PM AND TUSCUMBIA BY 1010PM.

A FLASH FLOOD WATCH IS IN EFFECT INTO TOMORROW MORNING.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN. IF YOU OBSERVE FLASH
FLOODING MOVE TO HIGHER GROUND AT ONCE!

REAUGH
Special weather statement, May 17, 10:30 PM CDT, 1 hour 26 minutes before
MOZ058-070-180430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
1029 PM CDT WED MAY 17 1995

...THUNDERSTORMS ARE HEADING INTO PULASKI AND MARIES COUNTIES...

AT 1025PM THE LEADING EDGE OF A 20 MILE WIDE BAND OF THUNDERSTORMS
EXTENDED FROM 10 MILES EAST OF JEFFERSON CITY...TO 45 MILES WEST OF
ROLLA NEAR MONTREAL.

MOVEMENT WAS TO THE EAST AT 35 MPH.

THE STORMS WILL MOVE THROUGH MARIES AND PULASKI COUNTIES BETWEEN 1030PM
AND 1130PM. VERY HEAVY RAIN AND WINDS TO 30 MPH ARE POSSIBLE WITH THESE
STORMS.

A FLASH FLOOD WATCH IS IN EFFECT INTO THURSDAY MORNING. ANY ADDITIONAL
RAINFALL WILL ONLY SERVE TO AGGRAVATE CURRENT FLOODING PROBLEMS.

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

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BBE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

REAUGH

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:56 PM CDTFlash Flood WarningLSXJefferson, Perry4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXEffingham, Fayette4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXBond4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXCalhoun, Jersey4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXMarion4 hr
May 18, 12:19 PM CDTTornado WarningLSXMonroe41 min
May 18, 12:38 PM CDTTornado WarningLSXSaint Clair52 min
May 18, 12:54 PM CDTSevere Thunderstorm WarningLSXRandolph51 min
May 18, 1:03 PM CDTTornado WarningLSXWashington27 min
May 18, 1:12 PM CDTTornado WarningLSXClinton42 min
May 18, 1:19 PM CDTTornado WarningLSXRandolph35 min
May 18, 1:22 PM CDTTornado WarningLSXWashington32 min
May 18, 1:35 PM CDTTornado WarningLSXJefferson, Marion40 min
May 18, 1:40 PM CDTSevere Thunderstorm WarningLSXPerry24 min
May 18, 2:02 PM CDTTornado WarningLSXFayette27 min
May 18, 2:02 PM CDTTornado WarningLSXEffingham43 min
May 17, 11:56 PM CDTFlash Flood WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXPerry, Sainte Genevieve4 hr
May 18, 8:32 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe43 min
May 18, 9:11 AM CDTSevere Thunderstorm WarningLSXRalls52 min
May 18, 10:32 AM CDTSevere Thunderstorm WarningLSXPhelps43 min
May 18, 10:50 AM CDTSevere Thunderstorm WarningLSXCrawford40 min
May 18, 11:19 AM CDTSevere Thunderstorm WarningLSXFranklin, Washington56 min
May 18, 11:30 AM CDTSevere Thunderstorm WarningLSXCrawford30 min
May 18, 11:37 AM CDTSevere Thunderstorm WarningLSXJefferson68 min
May 18, 12:05 PM CDTTornado WarningLSXJefferson40 min

Nearby

Flash Flood Warnings in Illinois, 1995Flash Flood Warnings in Missouri, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.