Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 36, NWS Lincoln, IL

June 12, 2004Edgar County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 12, 2004, 6:39 AM CDT for Edgar 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: Jun 12, 2004, 6:39 AM CDT (11:39 UTC)
Expired: Jun 12, 2004, 12:45 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Edgar County, IL

The radar

The Indianapolis radar (KIND), 127 km from the middle of the area, began a volume at 11:38 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, 11.7 hours before the alert went out and 86 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3388 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1075 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KILX 121142
FFWILX
ILC045-121745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
639 AM CDT SAT JUN 12 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 1245 PM CDT

* AT 632 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN FROM KANSAS TO VERMILION. 1 TO 2
  INCHES OF RAIN HAS BEEN ESTIMATED SINCE 530 AM. ADDITION HEAVY
  RAINFALL WAS FROM PALERMU TO CHRISMAN. 

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS EDGAR
  COUNTY. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 1 TO 4 INCHES BY
  900 AM. 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.

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 3985 8791 3950 8790 3949 8756 3987 8757

$$

13

NNNN

1 follow-up statement

000 
WGUS73 KILX 121656
FFSILX
ILC045-122000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1154 AM CDT SAT JUN 12 2004

...THE FLASH FLOOD WARNING FOR EDGAR COUNTY HAS BEEN CANCELLED...

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

SCATTERED SHOWERS AND THUNDERSTORMS COULD REDEVELOP ACROSS EAST
CENTRAL ILLINOIS THIS AFTERNOON. HOWEVER...ANY FLOODING APPEARS TO
BE NORTH OF EDGAR COUNTY ACROSS VERMILION COUNTY THIS AFTERNOON
WHERE MORE RAIN HAS FALLEN SINCE THURSDAY.

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 3988 8757 3951 8756 3951 8792 3987 8789

$$

KH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 5:29 AM CDT	Severe Thunderstorm Warning	ILX	Champaign	61 min
Jun 12, 5:36 AM CDT	Flash Flood Warning	ILX	Vermilion	6 hr

Nearby

Flash Flood Warnings in Illinois, 2004 Every 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.