Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 26, NWS Lincoln, IL

May 6, 2002Christian County, Shelby County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 6, 2002, 10:12 AM CDT for Christian County, Shelby 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, 10:12 AM CDT (15:12 UTC)
Expired: May 6, 2002, 4:00 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Christian County, IL, Shelby County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.2 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: -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 061512
FFWSPI
ILC021-173-062100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1012 AM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SHELBY COUNTY IN CENTRAL ILLINOIS
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 400 PM CDT

* AT 1012 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN MOVING THROUGH CHRISTIAN COUNTY 
  AND ENTERING SHELBY COUNTY. RADAR ESTIMATES THAT UPWARDS OF 3 
  INCHES OF RAIN FELL LATE LAST NIGHT AND EARLY THIS MORNING ACROSS 
  PORTIONS OF SOUTHERN CHRISTIAN COUNTY AND CENTRAL SHELBY COUNTY. 
  WITH HEAVY RAINFALL MOVING INTO THE AREA LATE THIS MORNING...
  UPWARDS OF AN ADDITIONAL 3 INCHES IS POSSIBLE THROUGH NOON... 
  FLASH FLOODING WILL BE 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 3966 8886 3942 8854 3921 8848 3922 8914
          3936 8914 3937 8953 3965 8954 3979 8925
          3965 8913

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, 11:22 AM CDT	Flash Flood Warning	ILX	Crawford, Effingham, Jasper	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.