Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 60, NWS Lincoln, IL

August 25, 2004Cass County, Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this flash flood warning at Aug 25, 2004, 3:07 PM CDT for Cass County, Morgan County, Scott County, Illinois. It was in force for 6 hr. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 25, 2004, 3:07 PM CDT (20:07 UTC)
Expired
Aug 25, 2004, 9:00 PM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Cass County, IL, Morgan County, IL, Scott County, IL

The radar

The Lincoln radar (KILX), 90 km from the middle of the area, began a volume at 20:08 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.

What was reported inside it

TimeReportWhereRemark
Aug 25, 3:38 PM CDTFLASH FLOODBluff Springs, ILSTANDING WATER ON ROUTE 125 BETWEEN BLUFF SPRINGS AND VIRGINIA. FROM COUNTY SHERIFF...CORRECTION.
Aug 25, 3:38 PM CDTFLASH FLOODBluff Springs, ILSTANDING WATER ON ROUTE 125 BETWEEN BLUFF SPRINGS AND VIRGINIA. FROM COUNTY SHERIFF...CORRECTION.
Aug 25, 3:38 PM CDTFLASH FLOODChandlerville, ILSTREETS FLOODED IN CHANDLERVILLE.
Aug 25, 3:38 PM CDTFLASH FLOODChandlerville, ILSTREETS FLOODED IN CHANDLERVILLE.
Aug 25, 4:27 PM CDTFLASH FLOODBeardstown, ILA PORTION OF ROUTE 125 WASHED OUT BETWEEN BEARDSTOWN AND VIRGINIA.
Aug 25, 4:27 PM CDTFLASH FLOODBeardstown, ILA PORTION OF ROUTE 125 WASHED OUT BETWEEN BEARDSTOWN AND VIRGINIA.
Aug 25, 4:27 PM CDTFLASH FLOODBeardstown, ILSTREETS FLOODED IN BEARDSTOWN.
Aug 25, 4:27 PM CDTFLASH FLOODBeardstown, ILSTREETS FLOODED IN BEARDSTOWN.
Aug 25, 5:13 PM CDTFLASH FLOODJacksonville, ILCITY STREETS IN JACKSONVILLE FLOODED.
Aug 25, 5:13 PM CDTFLASH FLOODJacksonville, ILCITY STREETS IN JACKSONVILLE FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.1 hours before the alert went out and 151 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 12:00Z on 2004-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1166 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, Lincoln, IL at 12:00Z on 2004-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
1166 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
201 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 
WGUS53 KILX 252010
FFWILX
ILC017-137-171-260200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
307 PM CDT WED AUG 25 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SCOTT COUNTY IN WEST CENTRAL ILLINOIS
  MORGAN COUNTY IN WEST CENTRAL ILLINOIS
  CASS COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 900 PM CDT

* AT 258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN NEAR BLUFFS NORTH TO BEARDSTOWN.
  1 TO 3 INCHES OF RAIN HAS BEEN ESTIMATED SINCE 130 PM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  SCOTT...MORGAN...AND CASS COUNTIES. RAINFALL AMOUNTS WILL
  LIKELY RANGE FROM 3 TO 6 INCHES BY 600 PM. THESE RAINFALL
  AMOUNTS WILL LIKELY PRODUCE FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF IN A FLOOD PRONE AREA...MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG CREEKS AND STREAMS ARE ESPECIALLY VULNERABLE
TO THE EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED
AREAS BY FOOT OR AUTOMOBILE.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO AREAS IN WHICH WATER COVERS THE ROADWAY. IT ONLY TAKES
A FOOT OR TWO OF WATER TO WASH MOST VEHICLES AWAY. VEHICLES CAUGHT
IN RISING WATERS SHOULD BE ABANDONED QUICKLY.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3991 9054 3998 9052 4002 9043 4011 9039
      4012 9034 4007 9030 4005 9024 4011 9000
      3986 9001 3957 8998 3955 9055 3987 9051
      3988 9058

$$

EH

NNNN
2 follow-up statements
000 
WGUS73 KILX 252150
FFSILX
ILC017-137-171-260200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
447 PM CDT WED AUG 25 2004

...A FLASH FLOOD WARNING CONTINUES FOR CASS...MORGAN AND SCOTT
COUNTIES UNTIL 900 PM CDT...

AT 447 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINS CONTINUING FROM BLUFFS TO CHANDLERVILLE. 1 TO 4 INCHES 
OF RAIN HAS BEEN ESTIMATED SINCE 130 PM. ADDITIONAL THUNDERSTORMS 
WILL CONTINUE THROUGHOUT THE EARLY EVENING HOURS ACROSS 
CASS...MORGAN...AND SCOTT COUNTIES.

AT 427 PM CDT...CASS COUNTY SHERIFF STREETS FLOODED IN BEARDSTOWN 
AND A PORTION OF ROUTE 125 WASHED OUT BETWEEN BEARDSTOWN AND 
VIRGINIA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF IN A FLOOD PRONE AREA...MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG CREEKS AND STREAMS ARE ESPECIALLY VULNERABLE
TO THE EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED
AREAS BY FOOT OR AUTOMOBILE.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO AREAS IN WHICH WATER COVERS THE ROADWAY. IT ONLY TAKES A
FOOT OR TWO OF WATER TO WASH MOST VEHICLES AWAY. VEHICLES CAUGHT IN
RISING WATERS SHOULD BE ABANDONED QUICKLY.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3991 9054 3998 9052 4002 9043 4011 9039
      4012 9034 4007 9030 4005 9024 4011 9000
      3957 9002 3955 9055 3987 9050 3988 9058

$$

EH
000 
WGUS73 KILX 260158
FFSILX
ILC017-137-171-260215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
858 PM CDT WED AUG 25 2004

...THE FLASH FLOOD WARNING FOR CASS...MORGAN AND SCOTT COUNTIES IS
BEING ALLOWED TO EXPIRE...

THE HEAVY RAINFALL AND FLOOD THREAT HAS ENDED ACROSS THE WARNED AREA.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 4005 9039 3961 9057 3959 9002 4003 9009

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 10:56 AM CDTSevere Thunderstorm WarningILXFulton, Mason64 min
Aug 25, 1:02 PM CDTSevere Thunderstorm WarningILXMorgan, Scott58 min
Aug 25, 2:01 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon59 min
Aug 25, 2:49 PM CDTFlash Flood WarningILXSchuyler6 hr
Aug 25, 3:42 PM CDTFlash Flood WarningILXMason6 hr
Aug 25, 4:07 PM CDTSevere Thunderstorm WarningILXMason38 min
Aug 25, 4:30 PM CDTFlash Flood WarningILXMenard6 hr
Aug 25, 5:37 PM CDTFlash Flood WarningILXLogan, Sangamon6 hr
Aug 25, 5:52 PM CDTFlash Flood WarningILXDeWitt, McLean, Macon6 hr
Aug 25, 5:55 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon65 min
Aug 25, 6:40 PM CDTFlash Flood WarningILXChristian6 hr
Aug 25, 6:45 PM CDTFlash Flood WarningILXTazewell6 hr

Nearby

Flash Flood Warnings in Illinois, 2004Every flash flood warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.