Alert archive / Illinois / Flash Flood Warnings in 2002

Flash Flood Warning 46, NWS Lincoln, IL

May 12, 2002Clark County, Cumberland County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 12, 2002, 7:12 AM CDT for Clark County, Cumberland County, Illinois. It was in force for 7 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 12, 2002, 7:12 AM CDT (12:12 UTC)
Expired
May 12, 2002, 2:00 PM CDT
In force
7 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Clark County, IL, Cumberland County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 0.2 hours before the alert went out and 107 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2002-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
77 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
-16 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 121212
FFWSPI
ILC023-035-121900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
709 AM CDT SUN MAY 12 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 2 PM CDT

* AT 707 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  VERY HEAVY RAIN MOVING INTO THE AREA. THESE STORMS HAVE A HISTORY
  OF FLOODING RAINS AND RAINFALL RATES EXCEEDING AN INCH AN HOUR. 

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS THE 
  AREA FOR MUCH OF THE MORNING. TOTAL RAINFALL AMOUNTS COULD EXCEED 
  3 INCHES BY NOON. 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. CROSSING A FLOODED ROADWAY COULD BE
DEADLY.

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 3941 8756 3918 8794 3919 8844 3936 8841

FRIEDERS


NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 7:52 PM CDTSevere Thunderstorm WarningILXKnox38 min
May 11, 8:02 PM CDTSevere Thunderstorm WarningILXStark58 min
May 12, 1:43 AM CDTSevere Thunderstorm WarningILXSchuyler47 min
May 12, 2:10 AM CDTFlash Flood WarningILXSchuyler6 hr
May 12, 2:24 AM CDTFlash Flood WarningILXCass, Mason, Menard6 hr
May 12, 3:58 AM CDTFlash Flood WarningILXChristian, Logan, Macon, Morgan, Sangamon, Scott6 hr
May 12, 5:42 AM CDTFlash Flood WarningILXColes, Douglas, Macon, Moultrie, Piatt, Shelby6 hr
May 12, 5:44 AM CDTFlash Flood WarningILXColes, Douglas, Moultrie, Piatt, Shelby6 hr
May 12, 6:24 AM CDTFlash Flood WarningILXEdgar5 hr
May 12, 10:56 AM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
May 12, 12:11 PM CDTFlash Flood WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland6 hr
May 12, 5:21 PM CDTSevere Thunderstorm WarningILXEffingham, Jasper39 min

Nearby

Flash Flood Warnings in Illinois, 2002Every 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.