Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 82, NWS Lincoln, IL

July 28, 2002Knox County, Peoria County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 28, 2002, 11:27 AM CDT for Knox County, Peoria 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 28, 2002, 11:27 AM CDT (16:27 UTC)
Expired: Jul 28, 2002, 5:30 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Knox County, IL, Peoria County, IL

The radar

The Lincoln radar (KILX), 96 km from the middle of the area, began a volume at 16:26 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

Davenport, (KDVN), launched 12:00Z, 4.5 hours before the alert went out and 95 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: 2582 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 281627
FFWSPI
ILC095-143-282230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1125 AM CDT SUN JUL 28 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PEORIA COUNTY IN CENTRAL ILLINOIS
  KNOX COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 530 PM CDT

* AT 1121 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINS CONTINUING ACROSS EAST CENTRAL KNOX AND WEST CENTRAL 
  PEORIA COUNTIES. UP TO 3.0 INCHES OF RAIN HAS BEEN ESTIMATED SINCE
  9 AM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  THIS AREA THROUGH EARLY AFTERNOON. RAINFALL AMOUNTS WILL LIKELY
  RANGE FROM 4 TO 5 INCHES BY 2 PM. 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.

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 4093 9020 4073 9026 4072 8975 4097 8953

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, 2:02 PM CDT	Flash Flood Warning	ILX	Woodford	4 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.