Alert archive / Illinois / Flash Flood Warnings in 2010

Flash Flood Warning 49, NWS Lincoln, IL

July 15, 2010Clark County, Coles County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 15, 2010, 6:04 PM CDT for Clark County, Coles County, Illinois. It was in force for 5 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 15, 2010, 6:04 PM CDT (23:04 UTC)
Expired
Jul 15, 2010, 11:04 PM CDT
In force
5 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Clark County, IL, Coles County, IL

The radar

The Evansville,IN radar (KVWX), 132 km from the middle of the area, began a volume at 23:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 15, 6:22 PM CDTHEAVY RAIN 1.1Charleston, ILMEASURED IN 75 MINUTES. SWOP REPORT.
Jul 15, 7:00 PM CDTHEAVY RAIN 1.45Charleston, IL
Jul 15, 7:00 PM CDTHEAVY RAIN 1.81Charleston, ILMEASURED AT EIU

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 100 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 2010-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3622 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 2010-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 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
3622 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

625 
WGUS53 KILX 152304
FFWILX
ILC023-029-160500-
/O.NEW.KILX.FF.W.0049.100715T2304Z-100716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
604 PM CDT THU JUL 15 2010

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL MIDNIGHT CDT.

* AT 603 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RAINFALL AMOUNTS OF FROM 1 TO 2 INCHES IN LESS THAN
  AN HOURS TIME WILL BE LIKELY WITH SOME OF THE STRONGER THUNDERSTORMS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CHARLESTON...MARSHALL...CLARKSVILLE...DENNISON AND WESTFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3935 8754 3935 8801 3938 8801 3938 8813
      3941 8828 3965 8827 3950 8796 3949 8796
      3949 8769 3948 8768 3948 8754

$$

SMITH
2 follow-up statements
643 
WGUS73 KILX 160058
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
758 PM CDT THU JUL 15 2010

ILC023-029-160500-
/O.CON.KILX.FF.W.0049.000000T0000Z-100716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLES IL-CLARK IL-
758 PM CDT THU JUL 15 2010

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN CLARK AND
EASTERN COLES COUNTIES UNTIL MIDNIGHT CDT...

AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
RADAR ESTIMATED BETWEEN 2 AND 4 INCHES OF RAIN FELL FROM JUST 
NORTHEAST OF CHARLESTON TO ASHMORE IN EASTERN COLES COUNTY THE 
PAST COUPLE OF HOURS. THUNDERSTORMS COULD BRING AN ADDITIONAL 1
TO 2 INCHES OF RAIN BY 930 PM OVER NORTHERN CLARK COUNTY AS THEY
DRIFT SLOWLY EAST AT 15 MPH. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHARLESTON...MARSHALL...CLARKSVILLE...DENNISON AND WESTFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3935 8754 3935 8801 3938 8801 3938 8813
      3941 8828 3965 8827 3950 8796 3949 8796
      3949 8769 3948 8768 3948 8754

$$

HUETTL
212 
WGUS73 KILX 160404
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1104 PM CDT THU JUL 15 2010

ILC023-029-160419-
/O.CAN.KILX.FF.W.0049.000000T0000Z-100716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLES IL-CLARK IL-
1104 PM CDT THU JUL 15 2010

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN CLARK AND
EASTERN COLES COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3935 8754 3935 8801 3938 8801 3938 8813
      3941 8828 3965 8827 3950 8796 3949 8796
      3949 8769 3948 8768 3948 8754

$$

BAK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 1:33 PM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jul 15, 5:23 PM CDTFlash Flood WarningILXChampaign, Coles, Douglas, Edgar, Vermilion6 hr

Nearby

Flash Flood Warnings in Illinois, 2010Every flash flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.