Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 35, NWS Lincoln, IL

July 9, 2003Douglas County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 9, 2003, 9:29 PM CDT for Douglas 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, 9:29 PM CDT (02:29 UTC)
Expired: Jul 10, 2003, 3:30 AM CDT
In force: 6 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), 105 km from the middle of the area, began a volume at 02:31 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, 2.5 hours before the alert went out and 52 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: 3530 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 100229
FFWILX
ILC041-100830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
929 PM CDT WED JUL 9 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 928 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINS CONTINUING ACROSS DOUGLAS COUNTY. 3 TO 5 INCHES HAS 
  BEEN ESTIMATED ACROSS MUCH OF DOUGLAS COUNTY SINCE THE RAIN STARTED
  EARLIER TODAY.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS   
  DOUGLAS COUNTY UNTIL 2 AM. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 
  6 TO 8 INCHES BY THAT TIME. 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.

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 3987 8800 3971 8800 3968 8847 3986 8848

$$

PLAHMER

NNNN

1 follow-up statement

000 
WGUS73 KILX 100829
FFSILX
ILC041-100845-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
330 AM CDT THU JUL 10 2003

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

THE HEAVY RAINFALL AND FLASH FLOOD THREAT HAS ENDED ACROSS THE WARNED 
AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.
ALTHOUGH THERE WILL BE ADDITIONAL RAINFALL ACROSS THE AREA THIS 
MORNING...THE TORRENTIAL RAINFALL WHICH OCCURRED OVER THE AREA LATE
LAST NIGHT AND EARLY THIS MORNING HAS PUSHED TO OUR SOUTH AND EAST.

$$

SMITH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:02 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	43 min
Jul 9, 7:04 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	56 min
Jul 9, 7:12 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	48 min
Jul 9, 7:13 PM CDT	Severe Thunderstorm Warning	ILX	Mason	62 min
Jul 9, 7:22 PM CDT	Flash Flood Warning	ILX	Edgar	6 hr
Jul 9, 7:24 PM CDT	Severe Thunderstorm Warning	ILX	Peoria	66 min
Jul 9, 7:55 PM CDT	Flash Flood Warning	ILX	Mason	6 hr
Jul 9, 8:00 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	60 min
Jul 9, 8:00 PM CDT	Tornado Warning	ILX	Mason	60 min
Jul 9, 8:21 PM CDT	Flash Flood Warning	ILX	Piatt	6 hr
Jul 9, 8:40 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan	5 hr
Jul 9, 9:05 PM CDT	Flash Flood Warning	ILX	Peoria, Tazewell	6 hr
Jul 9, 9:14 PM CDT	Flash Flood Warning	ILX	Fulton, Knox	6 hr
Jul 9, 9:54 PM CDT	Tornado Warning	ILX	Fulton	66 min
Jul 9, 9:55 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	50 min
Jul 9, 10:22 PM CDT	Flash Flood Warning	ILX	Cumberland	6 hr
Jul 9, 11:15 PM CDT	Flash Flood Warning	ILX	Champaign, McLean, Vermilion, Woodford	7 hr
Jul 10, 1:08 AM CDT	Flash Flood Warning	ILX	DeWitt, Logan, Mason, Piatt	5 hr
Jul 10, 1:30 AM CDT	Flash Flood Warning	ILX	Edgar	4 hr

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.