Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 3, NWS Lincoln, IL

May 13, 2004Macon County, Piatt County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 13, 2004, 8:01 PM CDT for Macon County, Piatt County, Illinois. It was in force for 6 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
May 13, 2004, 8:01 PM CDT (01:01 UTC)
Expired
May 14, 2004, 2:00 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Macon County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 01:02 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, 1.0 hours before the alert went out and 34 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 2004-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 00:00Z on 2004-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
23 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
96 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 140103
FFWILX
ILC115-147-140700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
801 PM CDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MACON COUNTY IN CENTRAL ILLINOIS
  PIATT COUNTY IN CENTRAL ILLINOIS

* UNTIL 200 AM CDT

* AT 752 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINS CONTINUING FROM BLUE MOUND TO MONTICELLO. 1 TO 3
  INCHES OF RAIN HAS BEEN ESTIMATED SINCE 430 PM. 

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS MACON
  AND PIATT COUNTIES. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 2 TO 5
  INCHES BY 1100 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 3997 8913 3968 8910 3987 8855 4013 8847

$$

EH

NNNN
3 follow-up statements
000 
WGUS73 KILX 140221
FFSILX
ILC115-147-140700-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
920 PM CDT THU MAY 13 2004

...A FLASH FLOOD WARNING CONTINUES FOR PIATT AND MACON COUNTIES UNTIL
200 AM CDT...

AT 916 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINS CONTINUING FROM A MACON TO MONTICELLO LINE. 1 TO 4  
INCHES OF RAIN HAS BEEN ESTIMATED SINCE 430 PM CDT.

AT 915 PM CDT...MACON COUNTY SHERIFF REPORTED STANDING WATER ON 
WILLIAMS STREET IN DECATUR FROM THE PUBLIC. 

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO JUDGE HOW
MUCH WATER COVERS ROADWAYS. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS.

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 3979 8847 3980 8877 3966 8882 3966 8914
          3993 8922 4005 8914 4008 8872 4021 8864
          4028 8847

$$

EH
000 
WGUS73 KILX 140401
FFSILX
ILC115-147-173-140700-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1100 PM CDT THU MAY 13 2004

...A FLASH FLOOD WARNING CONTINUES FOR PIATT...MACON AND SHELBY
COUNTIES UNTIL 200 AM CDT...

AT 1055 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINS HAVE SHIFTED NORTHEAST OF PIATT...MACON AND SHELY 
COUNTIES. HOWEVER...RUNOFF FROM THE HEAVY RAINS OF 2 TO 4 INCHES 
THAT FELL EARLIER THIS EVENING...AS ESTIMATED BY DOPPLER RADAR...
COULD CONTINUE TO CAUSE FLASH FLOODING. THE HEAVIEST RAINS FELL 
ACROSS WESTERN SHELBY COUNTY IN MOWEAQUA...ACROSS SOUTHERN MACON 
COUNTY SOUTH OF DECATUR...AND ACROSS CENTRAL PIATT COUNTY NEAR 
MONTICELLO. 

ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAINS MOVING 
INTO SOUTHWEST ILLINOIS...COULD SPREAD INTO PIATT...MACON AND 
SHELBY COUNTIES AFTER 1 AM. 

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 STREAMS ARE ESPECIALLY VULNERABLE TO THE 
EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED AREAS BY 
FOOT OR AUTOMOBILE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS 
HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODS. 

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 4030 8848 3981 8847 3980 8884 3939 8882
          3927 8905 3970 8903 4005 8915 4005 8874

$$

HUETTL
000 
WGUS73 KILX 140659
FFSILX
ILC115-147-140715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
158 AM CDT FRI MAY 14 2004

...THE FLASH FLOOD WARNING FOR PIATT AND MACON COUNTIES IS BEING 
ALLOWED TO EXPIRE AT 2 AM...

THE HEAVY RAINFALL AND FLOOD THREAT HAS ENDED ACROSS THE WARNED AREA.
THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 2 AM.

ANOTHER AREA OF RAIN WILL MOVE BACK INTO THE AREA EARLY THIS 
MORNING...HOWEVER...ADDITIONAL FLOODING IS NOT EXPECTED AT THIS 
TIME. 

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 4007 8855 3986 8853 3969 8909 4004 8908

$$

AUTEN

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:06 PM CDTFlash Flood WarningILXShelby6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.