Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 22, NWS Lincoln, IL

July 5, 2003Douglas County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 5, 2003, 11:43 PM CDT for Douglas County, Illinois. It was in force for 4 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 5, 2003, 11:43 PM CDT (04:43 UTC)
Expired
Jul 6, 2003, 3:30 AM CDT
In force
4 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Douglas County, IL

The radar

The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 04:45 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, 4.7 hours before the alert went out and 54 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 2003-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4874 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 2003-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.19395878Sfc1 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
4874 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1335 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.9
Supercell composite
13.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 060444
FFWILX
ILC041-060830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1143 PM CDT SAT JUL 5 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 330 AM CDT

* AT 1140 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN ACROSS EASTERN DOUGLAS COUNTY...NEAR
  NEWMAN. 3 TO 4 INCHES OF RAIN HAS BEEN ESTIMATED SINCE 1030 PM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  DOUGLAS COUNTY. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 5 TO
  6 INCHES BY 1 AM. THESE RAINFALL AMOUNTS WILL LIKELY PRODUCE FLASH
  FLOODING.

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 3988 8825 3975 8826 3973 8798 3987 8796

$$

BYRD

NNNN
3 follow-up statements
000 
WGUS73 KILX 060545
FFSILX
ILC041-045-060830-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1237 AM CDT SUN JUL 6 2003

...A FLASH FLOOD WARNING CONTINUES FOR EDGAR AND DOUGLAS COUNTIES
UNTIL 330 AM CDT...

AT 1237 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINS CONTINUING ACROSS NORTHERN EDGAR COUNTY... WITH AN 
ADDITIONAL 1 TO 2 INCHES POSSIBLE BY 330 AM. BETWEEN 5 AND 7 INCHES 
OF RAIN HAS BEEN ESTIMATED SINCE 8 PM. ALTHOUGH THE RAINFALL 
INTENSITY HAS DECREASED OVER DOUGLAS COUNTY...THE FLOOD THREAT WILL 
CONTINUE INTO THE EARLY MORNING HOURS.

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.

$$

BYRD

NNNN
000 
WGUS73 KILX 060706
FFSILX
ILC041-045-060830-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
205 AM CDT SUN JUL 6 2003

...A FLASH FLOOD WARNING CONTINUES FOR EDGAR AND DOUGLAS COUNTIES
UNTIL 330 AM CDT...

AT 200 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED 
TO INDICATE THE POTENTIAL FOR MORE HEAVY RAIN DEVELOPMENT OVER 
PORTIONS OF EDGAR AND DOUGLAS COUNTIES. DOPPLER RADAR ESTIMATED
THAT BETWEEN 5 AND 7 INCHES OF RAIN HAD FALLEN SINCE 8 PM. 
WITH ADDITIONAL RAINFALL OF AROUND 1 INCH POSSIBLE IN SOME AREAS
...THE FLOOD THREAT WILL CONTINUE OVER THE REGION THROUGH 
330 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 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.

$$

GOETSCH

NNNN
000 
WGUS73 KILX 060830
FFSILX
ILC041-045-060900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
330 AM CDT SUN JUL 6 2003

...THE FLASH FLOOD WARNING FOR EDGAR AND DOUGLAS COUNTIES IS BEING
ALLOWED TO EXPIRE...

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

$$

GOETSCH

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:58 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell62 min
Jul 5, 8:32 PM CDTSevere Thunderstorm WarningILXEdgar58 min
Jul 5, 9:26 PM CDTSevere Thunderstorm WarningILXChampaign64 min
Jul 5, 9:32 PM CDTFlash Flood WarningILXEdgar6 hr
Jul 5, 10:03 PM CDTSevere Thunderstorm WarningILXDouglas57 min
Jul 5, 11:26 PM CDTSevere Thunderstorm WarningILXMcLean64 min
Jul 6, 2:45 AM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jul 6, 1:56 PM CDTSevere Thunderstorm WarningILXMcLean64 min
Jul 6, 3:35 PM CDTSevere Thunderstorm WarningILXChampaign, Piatt55 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.