Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 83, NWS Lincoln, IL

July 28, 2002Woodford County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 28, 2002, 2:02 PM CDT for Woodford 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 28, 2002, 2:02 PM CDT (19:02 UTC)
Expired: Jul 28, 2002, 6:00 PM CDT
In force: 4 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), 73 km from the middle of the area, began a volume at 19:06 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, 7.0 hours before the alert went out and 87 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: 1697 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 266 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 281902
FFWSPI
ILC203-282300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
200 PM CDT SUN JUL 28 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 600 PM CDT

* AT 200 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN OVER SOUTHERN WOODFORD COUNTY. THREE
  INCHES OF RAIN HAS BEEN ESTIMATED SINCE 10 AM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  SOUTHERN WOODFORD COUNTY...PARTICULAR IN AND NEAR PANTHER CREEK.
  RAINFALL AMOUNTS WILL LIKELY RANGE FROM 4 TO 5 INCHES BY 5 PM.
  THESE RAINFALL AMOUNTS WILL LIKELY PRODUCE FLASH FLOODING...
  PARTICULAR IN AND NEAR PANTHER CREEK..

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 4088 8930 4067 8931 4068 8901 4088 8899

BARKER

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 9:06 AM CDT	Severe Thunderstorm Warning	ILX	Peoria	24 min
Jul 28, 10:10 AM CDT	Severe Thunderstorm Warning	ILX	Peoria	50 min
Jul 28, 11:27 AM CDT	Flash Flood Warning	ILX	Knox, Peoria	6 hr
Jul 28, 2:46 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell	59 min
Jul 28, 4:45 PM CDT	Flash Flood Warning	ILX	Champaign, Vermilion	3 hr
Jul 28, 5:32 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan	3 hr

Nearby

Flash Flood Warnings in Illinois, 2002 Every flash flood warning in 2002

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.