Alert archive / Illinois / Flash Flood Warnings in 2007

Flash Flood Warning 5, NWS Lincoln, IL

April 3, 2007Champaign County, Douglas County, Illinois

NWS Lincoln, IL issued this flash flood warning at Apr 3, 2007, 12:13 PM CDT for Champaign County, 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 counties it named.

The facts

Issued: Apr 3, 2007, 12:13 PM CDT (17:13 UTC)
Expired: Apr 3, 2007, 6:15 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Champaign County, IL, Douglas County, IL

The radar

The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 17:17 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, 5.2 hours before the alert went out and 40 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: 32 J/kg
Mixed-layer CIN: -399 J/kg
Mixed-layer LCL: 1864 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 221 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 031716
FFWILX
ILC019-041-032315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1213 PM CDT TUE APR 3 2007

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 615 PM CDT.

* AT 1212 PM CDT...HEAVY RAINFALL WAS APPROACHING THE AREA FROM THE
  WEST. RADAR ESTIMATES FROM THIS MORNING INDICATE THAT AS MUCH AS
  THREE INCHES OF RAIN HAS ALREADY FALLEN FROM ATWOOD...TO VILLA GROVE
  ...TO BROADLAND.

THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS THESE
AREAS. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 4 TO 5 INCHES BY
MIDDLE AFTERNOON. THESE RAINFALL AMOUNTS WILL LIKELY PRODUCE FLASH
FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...TUSCOLA...
BROADLANDS...CAMARGO...NEWMAN...PESOTUM AND VILLA GROVE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

REPORT FLASH FLOODING TO YOUR LOCAL EMERGENCY MANAGER...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3976 8798 4000 8795 3990 8846 3975 8847

$$

BARKER

1 follow-up statement

000 
WGUS73 KILX 032013
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
312 PM CDT TUE APR 3 2007

ILC019-041-032022-
CHAMPAIGN-DOUGLAS-
312 PM CDT TUE APR 3 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN CHAMPAIGN
AND NORTHERN DOUGLAS COUNTIES...

THE RAIN HAS ENDED ACROSS THE AREA OF CONCERN. THE THREAT OF FLASH
FLOODING HAS SUBSIDED AND IS NO LONGER A THREAT TO LIFE AND PROPERTY.
MINOR FLOODING MAY PERSIST...BUT ADDITIONAL FLASH FLOODING IS NOT
EXPECTED.  THEREFORE THE FLASH FLOOD WARNING FOR SOUTHERN CHAMPAIGN
AND NORTHERN DOUGLAS COUNTIES...HAS BEEN CANCELLED.

LAT...LON 3976 8798 4000 8795 3990 8846 3975 8847

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 8:40 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, McLean, Piatt	50 min
Apr 3, 9:31 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Vermilion	44 min
Apr 3, 10:14 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, Douglas, Edgar, Vermilion	61 min
Apr 3, 10:22 AM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	38 min
Apr 3, 10:56 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Sangamon	34 min
Apr 3, 11:08 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	23 min
Apr 3, 11:09 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Moultrie	51 min
Apr 3, 11:19 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Sangamon	41 min
Apr 3, 11:48 AM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Piatt	27 min
Apr 3, 11:55 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas, Edgar	65 min
Apr 3, 12:03 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas	42 min
Apr 3, 12:46 PM CDT	Tornado Warning	ILX	Clark, Cumberland	29 min
Apr 3, 12:59 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Edgar	40 min
Apr 3, 1:25 PM CDT	Tornado Warning	ILX	Crawford, Jasper, Richland	35 min
Apr 3, 1:31 PM CDT	Severe Thunderstorm Warning	ILX	Clay	44 min
Apr 3, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	63 min
Apr 3, 2:36 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	54 min

Nearby

Flash Flood Warnings in Illinois, 2007 Every flash flood warning in 2007

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.