Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 20, NWS Lincoln, IL

June 14, 2003Vermilion County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 14, 2003, 2:46 PM CDT for Vermilion County, Illinois. It was in force for 3 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 14, 2003, 2:46 PM CDT (19:46 UTC)
Expired: Jun 14, 2003, 5:45 PM CDT
In force: 3 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), 126 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 78 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 3 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 141951
FFWILX
ILC183-142245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
246 PM CDT SAT JUN 14 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 545 PM CDT

* AT 245 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN HAS FALLEN FROM JUST SOUTH OF DANVILLE SOUTHWESTWARD
  TOWARD ALLERTON. OVER AN INCH AND A HALF OF RAIN HAS BEEN ESTIMATED
  SINCE 2 PM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  SOUTHERN VERMILION COUNTY. RAINFALL AMOUNTS WILL LIKELY RANGE FROM
  2 TO 3 INCHES BY 4 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.

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 4014 8754 3994 8754 3990 8794 4004 8794

$$

CHURCHILL

NNNN

1 follow-up statement

000 
WGUS73 KILX 142152
FFSILX
ILC183-142245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
450 PM CDT SAT JUN 14 2003

...FLASH FLOOD WARNING CONTINUES FOR VERMILION COUNTY UNTIL 545 PM...

AT 445 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED     
THAT THE SHOWERS THAT WERE PRODUCING HEAVY RAINS JUST SOUTH OF 
DANVILLE EARLIER...HAVE WEAKENED. RADAR ESTIMATED BETWEEN 1.5 AND 2 
INCHES OF RAIN HAD FALLEN SINCE 2 PM AROUND TILTON LOCATED BETWEEN 
DANVILLE AND WESTVILLE...AND BETWEEN HOMER AND ALLERTON IN FAR 
SOUTHWEST VERMILION COUNTY. RADAR SHOWED A SHOWER WITH HEAVY RAINS 
ABOUT 5 MILES WEST OF DANVILLE AND DRIFTING SOUTHWEST AT 5 MPH.

EXCESSIVE RAINFALL WILL CAUSE FLOODING NEAR STREAMS...CREEKS AND 
NEARBY FARMLAND. BE ESPECIALLY CAUTIOUS ON COUNTY ROADS AND IN LOW 
LYING AREAS. NEVER CROSS AREAS IN WHICH WATER COVERS THE ROADS.

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.

$$

KH

NNNN

Nearby

Flash Flood Warnings in Illinois, 2003 Every flash flood warning in 2003

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.