Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 36, NWS Lincoln, IL

July 9, 2003Cumberland County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 9, 2003, 10:22 PM CDT for Cumberland 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, 10:22 PM CDT (03:22 UTC)
Expired: Jul 10, 2003, 4:30 AM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Cumberland County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.4 hours before the alert went out and 101 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 100324
FFWILX
ILC035-100930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1022 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 430 AM CDT

* AT 1020 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED HEAVY RAINS CONTINUING OVER MOST OF CUMBERLAND 
  COUNTY. RADAR ESTIMATES RANGE FROM 1 TO 2 INCHES OVER THE PAST 
  HOUR WITH ADDITIONAL HEAVY RAINFALL EXPECTED OVER THE SAME 
  AREAS THROUGH AT LEAST MIDNIGHT...WHICH 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 3938 8801 3919 8803 3919 8846 3935 8847

$$

SMITH
NNNN

1 follow-up statement

000 
WGUS73 KILX 100930
FFSILX
ILC035-100945-

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

...THE FLASH FLOOD WARNING FOR CUMBERLAND 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.

$$

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, 9:29 PM CDT	Flash Flood Warning	ILX	Douglas	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, 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.