Alert archive / Illinois / Flash Flood Warnings in 1993

Flash Flood Warning 39, NWS Lincoln, IL

July 25, 1993Henderson County, Warren County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 25, 1993, 5:07 AM CDT for Henderson County, Warren County, Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 25, 1993, 5:07 AM CDT (10:07 UTC)
Expired
Jul 25, 1993, 7:42 AM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Henderson County, IL, Warren County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 10.1 hours before the alert went out and 455 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 1993-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1084 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 00:00Z on 1993-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
1084 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1485 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
59 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 KPIA 251008
FFWPIA
ILC071-095-187-251315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEORIA IL
507 AM CDT SUN JUL 25 1993
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...HENDERSON COUNTY...KNOX COUNTY...WARREN COUNTY
 
VERY HEAVY RAIN WAS MOVING THROUGH WESTERN ILLINOIS THIS MORNING. MANY
CREEKS WERE ALREADY SWOLLEN FROM RECENT HEAVY RAINS. HENDERSON COUNTY
REPORTED THAT EVERY ROAD IN AND AROUND OQUAWKA WAS UNDER WATER. SEVERAL
ROADS WERE CLOSED IN WARREN COUNTY...INCLUDING HIGHWAY 67 AND PARTS OF
HIGHWAY 34.
 
PERIODS OF HEAVY RAIN CAN BE EXPECTED IN THE AFFECTED AREA THE NEXT
SEVERAL HOURS. THIS WILL ONLY MAKE AN ALREADY DANGEROUS SITUATION WORSE.
SOME ROADS AND BRIDGES HAVE BEEN WEAKENED FROM THE RECENT FLOODING AND
ARE IN DANGER OF COLLAPSING OR WASHING AWAY. TRAVEL IS NOT RECOMMENDED
IN WESTERN ILLINOIS THIS MORNING.
 
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.
 
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 8CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
MILLER

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 25, 2:15 AM CDT, 2 hours 52 minutes before
ILZ005>007-250830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
215 AM CDT SUN JUL 25 1993

...FLASH FLOOD WATCH CONTINUES FOR MOST OF WESTERN AND CENTRAL ILLINOIS...

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN AND CENTRAL
ILLINOIS...INCLUDING MONMOUTH...GALESBURG...MACOMB...PEORIA AND
BLOOMINGTON...THE REST OF TONIGHT. THERE WAS NO RAIN OCCURRING IN THESE
AREAS AS OF 210 AM. STRONG THUNDERSTORMS...HOWEVER...ARE EXPECTED TO
PUSH INTO OUR REGION FROM IOWA AFTER 400 AM.

HEAVY RAINFALL IS POSSIBLE WITH THESE STORMS...WHICH WILL ONLY AGGRAVATE
THE FLOOD SITUATION IN OUR AREA. SEVERAL CREEKS AND RIVERS WERE STILL
OUT OF THEIR BANKS...WITH SOME ROADS CLOSED AS A RESULT. PEOPLE ACROSS
WESTERN AND CENTRAL ILLINOIS ARE ADVISED TO KEEP A CLOSE WATCH ON THE
WEATHER SINCE IT WILL ONLY TAKE A SMALL AMOUNT OF RAIN TO PRODUCE
RENEWED FLOODING.

SOME SHOWERS AND THUNDERSTORMS WERE MOVING THROUGH PART OF NORTH
CENTRAL ILLINOIS EARLY THIS MORNING. AT 210 AM...THE RAINFALL WAS
IN WESTERN BUREAU COUNTY...ABOUT 40 MILES EAST OF MOLINE. THIS RAIN
WILL MOVE ACROSS MUCH OF BUREAU COUNTY BETWEEN NOW AND 330 AM.

MILLER
Special weather statement, Jul 25, 2:19 AM CDT, 2 hours 48 minutes before
ILZ005>007-250830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
215 AM CDT SUN JUL 25 1993

...FLASH FLOOD WATCH CONTINUES FOR MOST OF WESTERN AND CENTRAL ILLINOIS...

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN AND CENTRAL
ILLINOIS...INCLUDING MONMOUTH...GALESBURG...MACOMB...PEORIA AND
BLOOMINGTON...THE REST OF TONIGHT. THERE WAS NO RAIN OCCURRING IN THESE
AREAS AS OF 210 AM. STRONG THUNDERSTORMS...HOWEVER...ARE EXPECTED TO
PUSH INTO OUR REGION FROM IOWA AFTER 400 AM.

HEAVY RAINFALL IS POSSIBLE WITH THESE STORMS...WHICH WILL ONLY AGGRAVATE
THE FLOOD SITUATION IN OUR AREA. SEVERAL CREEKS AND RIVERS WERE STILL
OUT OF THEIR BANKS...WITH SOME ROADS CLOSED AS A RESULT. PEOPLE ACROSS
WESTERN AND CENTRAL ILLINOIS ARE ADVISED TO KEEP A CLOSE WATCH ON THE
WEATHER SINCE IT WILL ONLY TAKE A SMALL AMOUNT OF RAIN TO PRODUCE
RENEWED FLOODING.

SOME SHOWERS AND THUNDERSTORMS WERE MOVING THROUGH PART OF NORTH
CENTRAL ILLINOIS EARLY THIS MORNING. AT 210 AM...THE RAINFALL WAS
IN WESTERN BUREAU COUNTY...ABOUT 40 MILES EAST OF MOLINE. THIS RAIN
WILL MOVE ACROSS MUCH OF BUREAU COUNTY BETWEEN NOW AND 330 AM.

MILLER
Special weather statement, Jul 25, 3:30 AM CDT, 1 hour 37 minutes before
ILZ005>007-250930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
330 AM CDT SUN JUL 25 1993

...SHOWERS AND THUNDERSTORMS HAVE RAPIDLY DEVELOPED IN WESTERN ILLINOIS...

SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH BRIEF PERIODS OF HEAVY
RAIN HAVE FORMED IN KNOX AND FULTON COUNTIES AT 325 AM. THE RAINFALL
WAS MAINLY BETWEEN GALESBURG AND HAVANA...AND WILL BE AFFECTING THE
SPOON RIVER AND ITS ASSOCIATED TRIBUTARIES BETWEEN NOW AND 430 AM.

OTHER STRONG THUNDERSTORMS IN SOUTHEAST IOWA ARE EXPECTED TO CROSS THE
MISSISSIPPI RIVER AND MOVE INTO WESTERN ILLINOIS BETWEEN 400 AND 500 AM.
PERIODS OF HEAVY RAIN...GUSTY WINDS AND SOME SMALL HAIL ARE POSSIBLE
WITH THESE STORMS.

HEAVY RAIN ASSOCIATED WITH THE THUNDERSTORMS THIS MORNING WILL ONLY
AGGRAVATE AN ALREADY DANGEROUS FLOODING SITUATION IN WEST CENTRAL
ILLINOIS. PEOPLE IN WEST CENTRAL ILLINOIS NEED TO REMAIN ALERT FOR
RENEWED FLOODING THIS MORNING.

MILLER
Special weather statement, Jul 25, 3:34 AM CDT, 1 hour 33 minutes before
ILZ005>007-250930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
330 AM CDT SUN JUL 25 1993

...SHOWERS AND THUNDERSTORMS HAVE RAPIDLY DEVELOPED IN WESTERN ILLINOIS...

SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH BRIEF PERIODS OF HEAVY
RAIN HAVE FORMED IN KNOX AND FULTON COUNTIES AT 325 AM. THE RAINFALL
WAS MAINLY BETWEEN GALESBURG AND HAVANA...AND WILL BE AFFECTING THE
SPOON RIVER AND ITS ASSOCIATED TRIBUTARIES BETWEEN NOW AND 430 AM.

OTHER STRONG THUNDERSTORMS IN SOUTHEAST IOWA ARE EXPECTED TO CROSS THE
MISSISSIPPI RIVER AND MOVE INTO WESTERN ILLINOIS BETWEEN 400 AND 500 AM.
PERIODS OF HEAVY RAIN...GUSTY WINDS AND SOME SMALL HAIL ARE POSSIBLE
WITH THESE STORMS.

HEAPVY RAIN ASSOCIATED WITH THE THUNDERSTORMS THIS MORNING WILL ONLY
AGGRAVATE AN ALREADY DANGEROUS FLOODING SITUATION IN WEST CENTRAL
ILLINOIS. PEOPLE IN WEST CENTRAL ILLINOIS NEED TO REMAIN ALERT FOR
RENEWED FLOODING THIS MORNING.

MILLER
Special weather statement, Jul 25, 4:30 AM CDT, 37 minutes before
ILZ005>007-251030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
430 AM CDT SUN JUL 25 1993

...STRONG THUNDERSTORMS IN WESTERN ILLINOIS...

A LINE OF STRONG THUNDERSTORMS EXTENDED FROM THE QUAD CITIES TO ABOUT
KEOKUK IOWA AT 425 AM. THESE STORMS WILL PRODUCE HEAVY RAIN...GUSTY
WINDS...DEADLY LIGHTNING AND POSSIBLY SOME HAIL. SINCE MANY CREEKS AND
RIVERS ARE ALREADY SWOLLEN...THE RAIN ASSOCIATED WITH THESE STORMS WILL
ONLY AGGRAVATE THE FLOODING IN WESTERN ILLINOIS. PEOPLE IN WESTERN
ILLINOIS SHOULD REMAIN ALERT FOR THE RAPID DEVELOPMENT OF RENEWED
FLOODING THIS MORNING.

OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM ABOUT BRADFORD
IN NORTHEAST STARK COUNTY TO 15 MILES SOUTH OF PEORIA...AND IN
NORTHERN MCLEAN COUNTY...ABOUT 15 MILES NORTHEAST OF BLOOMINGTON.
THESE SHOWERS AND STORMS WILL PRODUCE BRIEF HEAVY DOWNPOURS AS THEY
MOVE THROUGH PARTS OF CENTRAL ILLINOIS BETWEEN NOW AND 530 AM.

MILLER
Special weather statement, Jul 25, 4:31 AM CDT, 36 minutes before
ILZ005>007-251030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
430 AM CDT SUN JUL 25 1993

...STRONG THUNDERSTORMS IN WESTERN ILLINOIS...

A LINE OF STRONG THUNDERSTORMS EXTENDED FROM THE QUAD CITIES TO ABOUT
KEOKUK IOWA AT 425 AM. THESE STORMS WILL PRODUCE HEAVY RAIN...GUSTY
WINDS...DEADLY LIGHTNING AND POSSIBLY SOME HAIL. SINCE MANY CREEKS AND
RIVERS ARE ALREADY SWOLLEN...THE RAIN ASSOCIATED WITH THESE STORMS WILL
ONLY AGGRAVATE THE FLOODING IN WESTERN ILLINOIS. PEOPLE IN WESTERN
ILLINOIS SHOULD REMAIN ALERT FOR THE RAPID DEVELOPMENT OF RENEWED
FLOODING THIS MORNING.

OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM ABOUT BRADFORD
IN NORTHEAST STARK COUNTY TO 15 MILErS SOUTH OF PEORIA...AND IN
NORTHERN MCLEAN COUNTY...ABOUT 15 MILES NORTHEAST OF BLOOMINGTON.
THESE SHOWERS AND STORMS WILL PRODUCE BRIEF HEAVY DOWNPOURS AS THEY
MOVE THROUGH PARTS OF CENTRAL ILLINOIS BETWEEN NOW AND 530 AM.

MILLER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 5:07 AM CDTFlash Flood WarningILXKnox3 hr

Nearby

Flash Flood Warnings in Illinois, 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.