Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 33, NWS Lincoln, IL

June 10, 2004Vermilion County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 10, 2004, 10:16 PM CDT for Vermilion 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 10, 2004, 10:16 PM CDT (03:16 UTC)
Expired
Jun 11, 2004, 4:15 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Vermilion County, IL

The radar

The Indianapolis radar (KIND), 135 km from the middle of the area, began a volume at 03:18 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, 3.3 hours before the alert went out and 76 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 2004-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1700 joules per kilogram.LCLEL10008507005003002001001 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 2004-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
1700 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
1.2
Supercell composite
10.7

Open this sounding in Storm Lab

The text

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

000
WGUS53 KILX 110320
FFWILX
ILC183-110915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1016 PM CDT THU JUN 10 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 415 AM CDT

* AT 1009 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED HEAVY RAINS CONTINUING ACROSS CENTRAL PORTIONS OF
  VERMILION COUNTY. UP TO TWO INCHES OF RAIN HAS BEEN ESTIMATED 
  SINCE 9 PM. 

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS 
  VERMILION COUNTY. RAINFALL AMOUNTS WILL LIKELY RANGE FROM TWO
  TO FOUR INCHES BY MIDNIGHT. THESE RAINFALL AMOUNTS WILL LIKELY
  PRODUCE FLASH FLOODING.

AS OF 1015 PM...NUMEROUS ROADS ON THE SOUTH SIDE OF DANVILLE WERE 
FLOODED AND SEVERAL VEHICLES ARE STRANDED.

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 4042 8757 3992 8756 3995 8793 4042 8792

$$

BYRD

NNNN
1 follow-up statement
000
WGUS73 KILX 110917
FFSILX
ILC183-110930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
417 AM CDT FRI JUN 11 2004

...THE FLASH FLOOD WARNING FOR VERMILION COUNTY IS BEING ALLOWED TO
EXPIRE...

THE HEAVY RAINFALL AND FLOOD THREAT HAS DIMINISHED 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 4034 8754 3997 8739 3998 8789 4035 8789

$$

BAK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 9:58 PM CDTSevere Thunderstorm WarningILXVermilion47 min
Jun 10, 10:05 PM CDTSevere Thunderstorm WarningILXVermilion40 min
Jun 10, 10:40 PM CDTFlash Flood WarningILXChampaign6 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.