Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 28, NWS Lincoln, IL

July 9, 2003Woodford County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 9, 2003, 6:12 PM CDT for Woodford 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
Jul 9, 2003, 6:12 PM CDT (23:12 UTC)
Expired
Jul 10, 2003, 12:15 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Woodford County, IL

The radar

The Lincoln radar (KILX), 76 km from the middle of the area, began a volume at 23:11 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, 11.2 hours before the alert went out and 90 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 2003-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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 2003-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
279 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
106 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 092314
FFWILX
ILC203-100515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
612 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WOODFORD COUNTY IN CENTRAL ILLINOIS

* UNTIL 1215 AM CDT

* AT 606 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  VERY HEAVY RAIN HAS FALLEN MATAMORA TO EUREKA. 2 TO 3 INCHES OF
  RAIN HAS BEEN ESTIMATED SINCE 430 PM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS 
  WOODFORD COUNTY. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 2 TO 5 
  INCHES BY 800 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 4086 8896 4068 8912 4081 8950 4090 8944

$$

EH

NNNN
1 follow-up statement
000 
WGUS73 KILX 100116
FFSILX
ILC203-100515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
813 PM CDT WED JUL 9 2003

...A FLASH FLOOD WARNING CONTINUES FOR WOODFORD COUNTY UNTIL 1215 AM
CDT...

AT 813 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINS MOVING BACK INTO WOODFORD COUNTY. ADDITIONAL AMOUNTS 
FROM 1 TO 3 INCHES WILL BE POSSIBLE WITH THE STORMS THROUGH 10 PM. 
RADAR ESTIMATES THAT 4 TO 6 INCHES OF RAIN HAS FALLEN ACROSS THE 
SOUTHERN PORTION OF WOODFORD COUNTY WITH EARLIER RAINS. 2 TO 3 
INCHES TOTAL RAINFALL HAS BEEN ESTIMATED ACROSS THE NORTH. THE 
ADDITIONAL RAINFALL LATER THIS EVENING WILL LIKELY BRING TOTAL 
AMOUNTS IN THE 4 TO 8 INCH RANGE.

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.

$$

PLAHMER

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:29 PM CDTSevere Thunderstorm WarningILXMorgan, Scott61 min
Jul 8, 10:09 PM CDTSevere Thunderstorm WarningILXCass, Mason66 min
Jul 8, 10:27 PM CDTSevere Thunderstorm WarningILXMenard63 min
Jul 8, 10:45 PM CDTSevere Thunderstorm WarningILXSangamon30 min
Jul 8, 11:09 PM CDTSevere Thunderstorm WarningILXChristian51 min
Jul 8, 11:45 PM CDTSevere Thunderstorm WarningILXMoultrie, Shelby45 min
Jul 9, 11:47 AM CDTSevere Thunderstorm WarningILXMcLean58 min
Jul 9, 1:25 PM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jul 9, 2:35 PM CDTSevere Thunderstorm WarningILXEdgar25 min
Jul 9, 2:54 PM CDTFlash Flood WarningILXEdgar3 hr
Jul 9, 4:05 PM CDTSevere Thunderstorm WarningILXMcLean55 min
Jul 9, 4:40 PM CDTTornado WarningILXMcLean50 min
Jul 9, 5:10 PM CDTSevere Thunderstorm WarningILXWoodford65 min
Jul 9, 5:29 PM CDTSevere Thunderstorm WarningILXChampaign61 min
Jul 9, 5:31 PM CDTSevere Thunderstorm WarningILXMcLean59 min
Jul 9, 5:33 PM CDTFlash Flood WarningILXMcLean6 hr
Jul 9, 5:42 PM CDTTornado WarningILXChampaign63 min
Jul 9, 5:49 PM CDTTornado WarningILXPiatt41 min
Jul 9, 5:55 PM CDTSevere Thunderstorm WarningILXTazewell65 min
Jul 9, 5:58 PM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jul 9, 6:08 PM CDTTornado WarningILXVermilion52 min
Jul 9, 6:16 PM CDTSevere Thunderstorm WarningILXWoodford59 min
Jul 9, 6:20 PM CDTSevere Thunderstorm WarningILXDeWitt55 min
Jul 9, 6:24 PM CDTSevere Thunderstorm WarningILXFulton66 min
Jul 9, 6:28 PM CDTSevere Thunderstorm WarningILXMcLean62 min
Jul 9, 6:34 PM CDTSevere Thunderstorm WarningILXPiatt56 min
Jul 9, 6:43 PM CDTSevere Thunderstorm WarningILXEdgar62 min
Jul 9, 6:57 PM CDTSevere Thunderstorm WarningILXDouglas63 min

Nearby

Flash Flood Warnings in Illinois, 2003Every 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.