Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 18, NWS Lincoln, IL

April 27, 2002Coles County, Edgar County, Illinois

NWS Lincoln, IL issued this flash flood warning at Apr 27, 2002, 11:58 PM CDT for Coles County, Edgar 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: Apr 27, 2002, 11:58 PM CDT (04:58 UTC)
Expired: Apr 28, 2002, 4:00 AM CDT
In force: 4 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Coles County, IL, Edgar County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 82 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 439 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 516 m²/s²
0-3 km storm-relative helicity: 567 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 280458
FFWSPI
ILC029-045-280900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1155 PM CDT SAT APR 27 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLES COUNTY IN EAST CENTRAL ILLINOIS
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 400 AM CDT

* AT 1149 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED VERY HEAVY RAIN HAS FALLEN OVER COLES AND EDGAR COUNTIES
  IN THE PAST HOUR. UP TO TWO INCHES OF RAIN HAS BEEN ESTIMATED
  SINCE 11 PM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  COLES AND EDGAR COUNTIES. RAINFALL AMOUNTS WILL LIKELY RANGE FROM
  HALF AN INCH TO AN INCH BY 1 AM. 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. 

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 3982 8755 3950 8754 3948 8803 3941 8846
          3965 8837 3966 8799

BYRD
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:19 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria	41 min
Apr 27, 10:20 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	55 min
Apr 27, 10:42 PM CDT	Severe Thunderstorm Warning	ILX	Mason, Tazewell, Woodford	48 min
Apr 27, 10:43 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie, Piatt	47 min
Apr 27, 11:30 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Edgar	30 min
Apr 27, 11:52 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	38 min
Apr 27, 11:58 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	32 min
Apr 28, 12:31 AM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	44 min

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.