Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 27, NWS Lincoln, IL

May 6, 2002Crawford County, Effingham County, Jasper County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 6, 2002, 11:22 AM CDT for Crawford County, Effingham County, Jasper 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 6, 2002, 11:22 AM CDT (16:22 UTC)
Expired: May 6, 2002, 5:00 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Crawford County, IL, Effingham County, IL, Jasper County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.4 hours before the alert went out and 131 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: -102 J/kg
Mixed-layer LCL: 445 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 346 m²/s²
0-3 km storm-relative helicity: 454 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 061622
FFWSPI
ILC033-049-079-062200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1121 AM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS
  JASPER COUNTY IN SOUTHEAST ILLINOIS

* UNTIL 500 PM CDT

* AT 1120 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR   
  INDICATED VERY HEAVY RAIN MOVING THROUGH EFFINGHAM AND JASPER
  COUNTIES...APPROACHING CRAWFORD COUNTY. RADAR ESTIMATES THAT UP TO 
  2 INCHES OF RAIN FELL ACROSS PORTIONS OF EFFINGHAM COUNTY LATE 
  LAST NIGHT AND EARLY THIS MORNING...WITH UP TO 3 INCHES IN JASPER 
  AND CRAWFORD COUNTIES. UP TO AN ADDITIONAL 3 INCHES WILL BE 
  POSSIBLE WITH THE STORMS MOVING THROUGH LATE THIS MORNING AND 
  INTO THIS AFTERNOON...WITH FLASH FLOODING LIKELY.

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 3916 8767 3884 8755 3891 8836 3891 8882
          3919 8883

PLAHMER
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 5:11 AM CDT	Flash Flood Warning	ILX	Shelby	4 hr
May 6, 7:18 AM CDT	Flash Flood Warning	ILX	Coles	4 hr
May 6, 9:17 AM CDT	Flash Flood Warning	ILX	Morgan, Sangamon, Scott	6 hr
May 6, 9:18 AM CDT	Severe Thunderstorm Warning	ILX	Scott	42 min
May 6, 10:12 AM CDT	Flash Flood Warning	ILX	Christian, Shelby	6 hr
May 6, 2:41 PM CDT	Flash Flood Warning	ILX	Clay, Lawrence, Richland	6 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.