Alert archive / Illinois / Flash Flood Warnings in 2011

Flash Flood Warning 39, NWS Lincoln, IL

June 18, 20118 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 18, 2011, 2:46 AM CDT for 8 counties in Illinois. It was in force for 12 hr. 15 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
Jun 18, 2011, 2:46 AM CDT (07:46 UTC)
Expired
Jun 18, 2011, 2:30 PM CDT
In force
12 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Clay County, IL, Crawford County, IL, Cumberland County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL, Shelby County, IL

The radar

The Evansville,IN radar (KVWX), 85 km from the middle of the area, began a volume at 07:47 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
Jun 18, 2:49 AM CDTFLASH FLOODEffingham, ILINTERSECTION OF FAYETTE AND HENRIETTA LIKE A SMALL LAKE AND IMPASSABLE
Jun 18, 6:30 AM CDTHEAVY RAIN 2.072 Wnw Effingham, IL
Jun 18, 7:00 AM CDTHEAVY RAIN 2.072 Wnw Effingham, IL
Jun 18, 7:00 AM CDTHEAVY RAIN 2.58Effingham, IL
Jun 18, 7:00 AM CDTHEAVY RAIN 2.631 E Olney, IL
Jun 18, 7:00 AM CDTHEAVY RAIN 3.891 E Lawrenceville, ILAUTOMATED MEASUREMENT AT RIVER GAGE LOCATION
Jun 18, 7:00 AM CDTHEAVY RAIN 4.05Lawrenceville, IL
Jun 18, 7:29 AM CDTHEAVY RAIN 4.05Lawrenceville, IL
Jun 18, 7:30 AM CDTFLASH FLOOD2 S Sumner, ILWATER OVER THE ROAD
Jun 18, 7:30 AM CDTFLASH FLOOD4 S Lawrenceville, ILWATER RUNNING OVER ROAD AT INTERSECTION OF ILLINOIS 1 AND COUNTY ROAD 600N
Jun 18, 7:30 AM CDTFLASH FLOOD4 W Birds, ILWATER OVER ROADS
Jun 18, 7:30 AM CDTFLASH FLOODBridgeport, ILWATER OVER THE ROAD
Jun 18, 8:00 AM CDTFLASH FLOOD3 N Olney, ILWATER OVER ROUTE 130 NORTH OF OLNEY
Jun 18, 12:15 PM CDTHEAVY RAIN 3.56 Sw Shumway, IL
Jun 18, 12:15 PM CDTHEAVY RAIN 5.54 E Olney, IL

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 00:00Z, 7.8 hours before the alert went out and 141 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 00:00Z on 2011-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 601 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
601 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

932 
WGUS53 KILX 180746
FFWILX
ILC025-033-035-049-079-101-159-173-181330-
/O.NEW.KILX.FF.W.0039.110618T0746Z-110618T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
246 AM CDT SAT JUN 18 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  JASPER COUNTY IN SOUTHEAST ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
  NORTHEASTERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTHERN RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
  SOUTHERN SHELBY COUNTY IN CENTRAL ILLINOIS...
  SOUTHWESTERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHWESTERN CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 830 AM CDT

* AT 243 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RADAR INDICATED RAINFALL OF 2 TO 4 INCHES...WITH 
  ADDITIONAL STORMS MOVING INTO THE AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...LAWRENCEVILLE...NEWTON...OLNEY...ALTAMONT...BEECHER
  CITY...BIBLE GROVE...BIRDS...BOGOTA...BRIDGEPORT...CHAUNCEY...
  CLAREMONT...COWDEN...DIETERICH...DUNDAS...HARDINVILLE...HIDALGO...
  INGAHAM...JEWETT...LAKEWOOD...MONTROSE...OBLONG...SHUMWAY...ST.
  FRANCISVILLE...STE. MARIE...STEWARDSON...SUMNER...TEUTOPOLIS...
  WATSON AND WEST LIBERTY.

AT 240 AM CDT...THE EFFINGHAM 9-1-1 CENTER REPORTED SEVERAL STREETS 
IN EFFINGHAM FLOODED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3868 8753 3866 8760 3859 8762 3858 8783
      3896 8870 3903 8882 3921 8881 3921 8910
      3934 8914 3932 8841 3880 8750

$$

CHURCHILL
4 follow-up statements
426 
WGUS73 KILX 180912
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
412 AM CDT SAT JUN 18 2011

ILC025-033-035-049-079-101-159-173-181330-
/O.CON.KILX.FF.W.0039.000000T0000Z-110618T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-SHELBY IL-CLAY IL-CRAWFORD IL-
CUMBERLAND IL-EFFINGHAM IL-
412 AM CDT SAT JUN 18 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EFFINGHAM...SOUTHWESTERN
CUMBERLAND...SOUTHWESTERN CRAWFORD...NORTHEASTERN CLAY...SOUTHERN
SHELBY...NORTHERN RICHLAND...LAWRENCE AND JASPER COUNTIES UNTIL 830
AM CDT...

AT 409 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 1.5 
TO 2.0 INCHES OF RAINFALL HAVE OCCURRED OVER THE AREA AND ANOTHER 
INCH IS POSSIBLE OVER THE NEXT COUPLE OF HOURS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EFFINGHAM...LAWRENCEVILLE...NEWTON...OLNEY...ALTAMONT...BEECHER
CITY...BIBLE GROVE...BIRDS...BOGOTA...BRIDGEPORT...CHAUNCEY...
CLAREMONT...COWDEN...DIETERICH...DUNDAS...HARDINVILLE...HIDALGO...
INGAHAM...JEWETT...LAKEWOOD...MONTROSE...OBLONG...SHUMWAY...ST.
FRANCISVILLE...STE. MARIE...STEWARDSON...SUMNER...TEUTOPOLIS...WATSON
AND WEST LIBERTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3868 8753 3866 8760 3859 8762 3858 8783
      3896 8870 3903 8882 3921 8881 3921 8910
      3934 8914 3932 8841 3880 8750

$$

AUTEN
224 
WGUS73 KILX 181316
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
816 AM CDT SAT JUN 18 2011

ILC025-035-049-173-181331-
/O.CAN.KILX.FF.W.0039.000000T0000Z-110618T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHELBY IL-CLAY IL-CUMBERLAND IL-EFFINGHAM IL-
816 AM CDT SAT JUN 18 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EFFINGHAM...
SOUTHWESTERN CUMBERLAND...NORTHEASTERN CLAY AND SOUTHERN SHELBY
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 3868 8753 3866 8760 3859 8762 3858 8783
      3880 8826 3885 8826 3885 8836 3917 8836
      3880 8751

$$

ILC033-079-101-159-181330-
/O.CON.KILX.FF.W.0039.000000T0000Z-110618T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-CRAWFORD IL-
816 AM CDT SAT JUN 18 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CRAWFORD...
NORTHERN RICHLAND...LAWRENCE AND JASPER COUNTIES UNTIL 830 AM CDT...

AT 816 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING AND SEVERAL ROADS HAD WATER ON THEM OR WERE
CLOSED.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
LAWRENCEVILLE...NEWTON...OLNEY...BIRDS...BOGOTA...BRIDGEPORT...
CHAUNCEY...CLAREMONT...DUNDAS...HARDINVILLE...ST. FRANCISVILLE...STE.
MARIE...SUMNER...WEST LIBERTY...WHEELER AND WILLOW HILL.

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.

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 3868 8753 3866 8760 3859 8762 3858 8783
      3880 8826 3885 8826 3885 8836 3917 8836
      3880 8751

$$

AUTEN
469 
WGUS53 KILX 181323
FFWILX
ILC033-079-101-159-181930-
/O.EXT.KILX.FF.W.0039.000000T0000Z-110618T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
823 AM CDT SAT JUN 18 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  JASPER COUNTY IN SOUTHEAST ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
  NORTHERN RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
  SOUTHWESTERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 230 PM CDT SATURDAY

* AT 819 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING ACROSS THE WARNED AREA. ROUTE 130 HAD WATER OVER THE ROAD
  NORTH OF OLNEY AND JUST NORTH OF PARKERBURG. LAW ENFORCEMENT IN
  LAWRENCE COUNTY REPORTED SEVERAL ROADS WITH WATER OVER THEM.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAWRENCEVILLE...NEWTON...OLNEY...BIRDS...BOGOTA...BRIDGEPORT...
  CHAUNCEY...CLAREMONT...DUNDAS...HARDINVILLE...ST. FRANCISVILLE...
  STE. MARIE...SUMNER...WEST LIBERTY...WHEELER AND WILLOW HILL.

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3868 8753 3866 8760 3859 8762 3858 8783
      3880 8826 3885 8826 3885 8836 3917 8836
      3880 8751

$$

AUTEN
601 
WGUS73 KILX 181633
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1133 AM CDT SAT JUN 18 2011

ILC033-079-101-159-181930-
/O.CON.KILX.FF.W.0039.000000T0000Z-110618T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-CRAWFORD IL-
1133 AM CDT SAT JUN 18 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CRAWFORD...
NORTHERN RICHLAND...LAWRENCE AND JASPER COUNTIES UNTIL 230 PM CDT...

AT 1120 AM CDT...LAWRENCE COUNTY SHERIFF AND COUNTY EMERGENCY 
MANAGEMENT PLUS RICHLAND COUNTY EMERGENCY MANAGEMENT OFFICIALS 
INDICATED THAT THERE WERE A NUMBER OF ROADS WITH MINOR FLOODING 
OCCURRING ON THEM. 

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
LAWRENCEVILLE...NEWTON...OLNEY...BIRDS...BOGOTA...BRIDGEPORT...
CHAUNCEY...CLAREMONT...DUNDAS...HARDINVILLE...ST. FRANCISVILLE...STE.
MARIE...SUMNER...WEST LIBERTY...WHEELER AND WILLOW HILL.

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.

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 3868 8753 3866 8760 3859 8762 3858 8783
      3880 8826 3885 8826 3885 8836 3917 8836
      3880 8751

$$

GOETSCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 9:33 PM CDTSpecial Weather StatementILXMorgan, Sangamon57 min
Jun 17, 10:01 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon44 min
Jun 17, 10:44 PM CDTFlash Flood WarningILXMorgan, Sangamon4 hr
Jun 17, 11:40 PM CDTSevere Thunderstorm WarningILXSangamon55 min
Jun 18, 12:26 AM CDTSevere Thunderstorm WarningILXSangamon37 min
Jun 18, 12:49 AM CDTFlash Flood WarningILXSangamon4 hr
Jun 18, 1:42 AM CDTFlash Flood WarningILXCass, Morgan3 hr
Jun 18, 2:27 AM CDTSevere Thunderstorm WarningILXEffingham, Jasper37 min
Jun 18, 2:32 AM CDTFlash Flood Warning EmergencyILXMorgan, Sangamon20 hr
Jun 18, 6:49 AM CDTSpecial Weather StatementILXMorgan56 min
Jun 18, 8:51 AM CDTRiver Flood WarningILXClay, Richland16 days
Jun 18, 2:16 PM CDTFlash Flood WatchILXChristian, Clay, Effingham, Jasper, Lawrence, Morgan and 4 more17 hr

Nearby

Flash Flood Warnings in Illinois, 2011Every flash flood warning in 2011

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.