Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 51, NWS Lincoln, IL

May 27, 2002Clark County, Coles County, Moultrie County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 27, 2002, 6:18 PM CDT for Clark County, Coles County, Moultrie 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: May 27, 2002, 6:18 PM CDT (23:18 UTC)
Expired: May 28, 2002, 12:00 AM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Clark County, IL, Coles County, IL, Moultrie County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 83 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: 19 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 70 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 272318
FFWSPI
ILC023-029-139-280500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
618 PM CDT MON MAY 27 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL MIDNIGHT CDT

* AT 615 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN HAS FALLEN ACROSS MOULTRIRE...COLES AND CLARK 
  COUNTIES. RADAR ESTIMATES THAT UP TO 2 INCHES OF RAIN HAS ALREADY 
  FALLEN ACROSS THE WARNED AREA.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS   
  MOULTRIE...COLES AND CLARK COUNTIES THIS EVENING. RAINFALL 
  AMOUNTS WILL LIKELY RANGE FROM 3 TO 5 INCHES BY 9 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 3965 8797 3948 8797 3948 8755 3920 8761
          3920 8800 3939 8803 3939 8845 3955 8870
          3980 8876 3965 8845

$$
PLAHMER
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 2:45 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	60 min
May 27, 3:45 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	60 min
May 27, 4:07 PM CDT	Severe Thunderstorm Warning	ILX	Christian	53 min
May 27, 4:59 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	61 min
May 27, 5:18 PM CDT	Flash Flood Warning	ILX	Morgan, Scott	6 hr
May 27, 5:21 PM CDT	Flash Flood Warning	ILX	Christian, Shelby	6 hr
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	63 min
May 27, 6:34 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas	56 min
May 27, 6:52 PM CDT	Severe Thunderstorm Warning	ILX	Clark	53 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.