Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 24, NWS St. Louis, MO

August 25, 2004Adams County, Brown County, Pike County, Illinois; Marion County, Pike County, Ralls County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 25, 2004, 1:52 PM CDT for Adams County, Brown County, Pike County, Illinois; Marion County, Pike County, Ralls County, Missouri. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 25, 2004, 1:52 PM CDT (18:52 UTC)
Expired
Aug 25, 2004, 5:45 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Adams County, IL, Brown County, IL, Pike County, IL, Marion County, MO, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 18:54 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 12:00Z, 6.9 hours before the alert went out and 222 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 KLSX 251858
FFWLSX
ILC001-009-149-MOC127-163-173-252245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
152 PM CDT WED AUG 25 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN MARION COUNTY IN NORTHEAST MISSOURI
  NORTHERN PIKE COUNTY IN NORTHEAST MISSOURI
  RALLS COUNTY IN NORTHEAST MISSOURI
  ADAMS COUNTY IN WEST CENTRAL ILLINOIS
  BROWN COUNTY IN WEST CENTRAL ILLINOIS
  PIKE COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 545 PM CDT

* AT 152 PM CDT...LAW ENFORCEMENT REPORTED FLASH FLOODING OVER THE 
SOUTHERN PART OF QUNICY ON A.J. PETERS DRIVE.  

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE       
  AFFECTING QUINCY..PAYSON..PLAINVILLE..HULL..GRIGGSVILLE..          
  FRANKFORD..NEW CATON..NEW LONDON AND ASHBURN. 
  
* DOPPLER RADAR INDICATED 2 TO 3 INCHES OF RAINFALL OVER MUCH OF     
  THIS AREA SINCE 8 AM CDT.  

IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER
GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE
ROADWAY. DO NOT DRIVE AROUND BARRICADES IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

LAT...LON 3973 9135 3998 9153 4024 9152 4024 9094
      4015 9095 4002 9056 3954 9058 3943 9064
      3932 9079 3934 9134 3933 9174 3971 9175

$$
DUMMER/RP
2 follow-up statements
000 
WGUS73 KLSX 252213
FFSLSX
ILC001-009-149-MOC163-173-252245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
509 PM CDT WED AUG 25 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PIKE...BROWN...AND 
ADAMS IN WEST CENTRAL ILLINOIS...AND NORTHERN PIKE AND RALLS 
COUNTIES IN NORTHEAST MISSOURI UNTIL 545 PM CDT...

AT 445 PM CDT...LAW ENFORCEMENT REPORTED FLASH FLOODING ON STATE 
HIGHWAY 94 2 MILES SOUTH OF GOLDEN IN ADAMS COUNTY.  THE PALOMA 
VIADUCT ON US HIGHWAY 24 NORTH OF QUINCY HAS REOPENED. 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS...
OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS
WHERE THE 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.

$$

WDB
000 
WGUS73 KLSX 252246
FFSLSX
ILC001-009-149-MOC163-173-260045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
545 PM CDT WED AUG 25 2004

...FLASH FLOOD WARNING FOR PIKE...BROWN...ADAMS IN WEST CENTRAL 
ILLINOIS...AND NORTHERN PIKE AND RALLS COUNTIES IN NORTHEAST 
MISSOURI HAS EXPIRED...

WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH
PROMPTED THE FLASH FLOOD WARNING HAVE MOVED OUT OF THE AREA.

SOME LIGHT TO MODERATE RAINSHOWERS CONTINUE OVER EASTERN PIKE AND 
SOUTHEASTERN BROWN COUNTIES...AND ARE MOVING EAST AROUND 20 MPH. 

ALTHOUGH THE HEAVY RAINS HAVE SUBSIDED...MOTORISTS SHOULD CONTINUE TO
USE CAUTION WHILE DRIVING THROUGH AREAS THAT HAVE EXPERIENCED
FLOODING. ROADS AND BRIDGES MAY HAVE BEEN DAMAGED BY RAPIDLY FLOWING
FLOOD WATERS.


A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA. ANY ADDITIONAL
RAIN WHICH AFFECTS THE AREA WILL FALL ON SATURATED GROUND AND WOULD
LIKELY PRODUCE ADDITIONAL FLOODING.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS AND UPDATES.

$$

WDB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 12:37 PM CDTSevere Thunderstorm WarningLSXPike38 min
Aug 25, 5:23 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey22 min
Aug 25, 5:27 PM CDTSevere Thunderstorm WarningLSXGreene33 min
Aug 25, 5:31 PM CDTSevere Thunderstorm WarningLSXMacoupin44 min
Aug 25, 5:51 PM CDTSevere Thunderstorm WarningLSXJersey, Macoupin, Madison, Saint Clair39 min
Aug 25, 2:26 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery49 min
Aug 25, 3:14 PM CDTFlash Flood WarningLSXMarion4 hr
Aug 25, 3:22 PM CDTSevere Thunderstorm WarningLSXAudrain38 min
Aug 25, 3:44 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole46 min
Aug 25, 3:56 PM CDTFlash Flood WarningLSXAudrain4 hr
Aug 25, 4:26 PM CDTSevere Thunderstorm WarningLSXMontgomery34 min
Aug 25, 4:32 PM CDTSevere Thunderstorm WarningLSXCallaway43 min
Aug 25, 5:30 PM CDTSevere Thunderstorm WarningLSXShelby30 min
Aug 25, 6:53 PM CDTSevere Thunderstorm WarningLSXJefferson37 min
Aug 25, 6:58 PM CDTSevere Thunderstorm WarningLSXCrawford47 min

Nearby

Flash Flood Warnings in Illinois, 2004Flash Flood Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.