Alert archive / Illinois / Flash Flood Warnings in 2011

Flash Flood Warning 52, NWS Lincoln, IL

June 25, 20115 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 25, 2011, 11:07 PM CDT for 5 counties in Illinois. It was in force for 6 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
Jun 25, 2011, 11:07 PM CDT (04:07 UTC)
Expired
Jun 26, 2011, 5:00 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Clay County, IL, Cumberland County, IL, Effingham County, IL, Jasper County, IL, Shelby County, IL

The radar

The Evansville,IN radar (KVWX), 103 km from the middle of the area, began a volume at 04:07 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 25, 11:15 PM CDTFLASH FLOODNeoga, ILSEVERAL STREETS COVERED WITH FLOWING WATER
Jun 26, 1:01 AM CDTFLASH FLOOD2 Ne Mason, ILROUTE 37 NEAR I-57 CLOSED DUE TO HIGH WATER
Jun 26, 1:09 AM CDTFLASH FLOODWatson, ILMANY ROADS FLOODED

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, 4.1 hours before the alert went out and 135 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 2011-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

262 
WGUS53 KILX 260407
FFWILX
ILC025-035-049-079-173-261000-
/O.NEW.KILX.FF.W.0052.110626T0407Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1107 PM CDT SAT JUN 25 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTHERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN SHELBY COUNTY IN CENTRAL ILLINOIS...
  WESTERN CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  WESTERN JASPER COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 500 AM CDT

* AT 1106 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RAINFALL ESTIMATES OVER THE PAST HOUR RANGE FROM 1 TO
  2 INCHES IN THE WARNED AREA. AN ADDITIONAL 1 TO LOCALLY 2 INCHES
  WILL BE POSSIBLE OVER THE NEXT HOUR AS THE INTENSE THUNDERSTORMS 
  TRACK SOUTHEAST ACROSS THE AREA. 
  AMOUNTS **!

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...TOLEDO...ALTAMONT...BIBLE GROVE...BOGOTA...DIETERICH...
  EDGEWOOD...INGAHAM...IOLA...JANESVILLE...JEWETT...MONTROSE...
  NEOGA...SHUMWAY...STEWARDSON...TEUTOPOLIS...WATSON AND WHEELER.

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 3879 8870 3891 8870 3891 8880 3931 8877
      3937 8824 3885 8822 3885 8826 3879 8826
      3878 8869

$$

SMITH
4 follow-up statements
425 
WGUS53 KILX 260411 CCA
FFWILX
ILC025-035-049-079-173-261000-
/O.COR.KILX.FF.W.0052.110626T0407Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE LINCOLN IL
1107 PM CDT SAT JUN 25 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTHERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN SHELBY COUNTY IN CENTRAL ILLINOIS...
  WESTERN CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  WESTERN JASPER COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 500 AM CDT

* AT 1106 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. TRAINED WEATHER SPOTTERS REPORTED STREET FLOODING
  IN EFFINGHAM AT 1058 PM CDT. 

  RAINFALL ESTIMATES OVER THE PAST HOUR RANGE FROM 1 TO 2 INCHES IN
  THE WARNED AREA. AN ADDITIONAL 1 TO LOCALLY 2 INCHES WILL BE POSSIBLE
  OVER THE NEXT HOUR AS THE INTENSE THUNDERSTORMS TRACK SOUTHEAST ACROSS
  THE AREA. 
 
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...TOLEDO...ALTAMONT...BIBLE GROVE...BOGOTA...DIETERICH...
  EDGEWOOD...INGAHAM...IOLA...JANESVILLE...JEWETT...MONTROSE...
  NEOGA...SHUMWAY...STEWARDSON...TEUTOPOLIS...WATSON AND WHEELER.

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 3879 8870 3891 8870 3891 8880 3931 8877
      3937 8824 3885 8822 3885 8826 3879 8826
      3878 8869

$$

SMITH
006 
WGUS73 KILX 260620
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
120 AM CDT SUN JUN 26 2011

ILC025-035-049-079-173-261000-
/O.CON.KILX.FF.W.0052.000000T0000Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-SHELBY IL-CLAY IL-CUMBERLAND IL-EFFINGHAM IL-
120 AM CDT SUN JUN 26 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EFFINGHAM...WESTERN
CUMBERLAND...NORTHERN CLAY...SOUTHEASTERN SHELBY AND WESTERN JASPER
COUNTIES UNTIL 500 AM CDT...

AT 117 AM CDT...THE WATSON FIRE DEPARTMENT REPORTED SIGNIFICANT
FLOODING FROM THE THUNDERSTORMS THAT MOVED ACROSS THE WARNED AREA
OVER THE PAST SEVERAL HOURS. ALTHOUGH RAINFALL RATES WERE DECREASING
FROM NORTH TO SOUTH...THE FLASH FLOOD THREAT WILL REMAIN ACROSS THE
AREA THROUGH THE EARLY MORNING HOURS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE FLASH FLOODING
TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EFFINGHAM...TOLEDO...ALTAMONT...BIBLE GROVE...BOGOTA...DIETERICH...
EDGEWOOD...INGAHAM...IOLA...JANESVILLE...JEWETT...MONTROSE...NEOGA...
SHUMWAY...STEWARDSON...TEUTOPOLIS...WATSON AND WHEELER.

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 3879 8870 3891 8870 3891 8880 3931 8877
      3937 8824 3885 8822 3885 8826 3879 8826
      3878 8869

$$

SMITH
162 
WGUS73 KILX 260900
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
400 AM CDT SUN JUN 26 2011

ILC025-035-049-079-173-261000-
/O.CON.KILX.FF.W.0052.000000T0000Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-SHELBY IL-CLAY IL-CUMBERLAND IL-EFFINGHAM IL-
400 AM CDT SUN JUN 26 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EFFINGHAM...WESTERN
CUMBERLAND...NORTHERN CLAY...SOUTHEASTERN SHELBY AND WESTERN JASPER
COUNTIES UNTIL 500 AM CDT...

AT 357 AM CDT...TRAINED SPOTTERS REPORTED FLOODED ROADS ACROSS THE 
WARNED AREA...ESPECIALLY IN THE EFFINGHAM AREA. DOPPLER RADAR 
ESTIMATES THAT 3 TO 4 INCHES OF RAIN FELL FROM THE STORMS LAST 
EVENING...SO OTHER ROADS ARE LIKELY STILL BEING COVERED BY WATER.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EFFINGHAM...TOLEDO...ALTAMONT...BIBLE GROVE...BOGOTA...DIETERICH...
EDGEWOOD...INGAHAM...IOLA...JANESVILLE...JEWETT...MONTROSE...NEOGA...
SHUMWAY...STEWARDSON...TEUTOPOLIS...WATSON AND WHEELER.

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 3879 8870 3891 8870 3891 8880 3931 8877
      3937 8824 3885 8822 3885 8826 3879 8826
      3878 8869

$$

SHIMON
257 
WGUS73 KILX 261004
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
504 AM CDT SUN JUN 26 2011

ILC025-035-049-079-173-261018-
/O.EXP.KILX.FF.W.0052.000000T0000Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-SHELBY IL-CLAY IL-CUMBERLAND IL-EFFINGHAM IL-
504 AM CDT SUN JUN 26 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EFFINGHAM...WESTERN
CUMBERLAND...NORTHERN CLAY...SOUTHEASTERN SHELBY AND WESTERN JASPER
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER A MAJORITY OF THE 
WARNED AREA. CUMBERLAND COUNTY STILL REMAINS UNDER AN AREAL FLOOD 
WARNING UNTIL 11 AM DUE TO CONTINUED FLOODING ON AREA ROADS. 
ELSEWHERE IN THE PREVIOUSLY WARNED AREA...STREAMS AND CREEKS 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 3879 8870 3891 8870 3891 8880 3931 8877
      3937 8824 3885 8822 3885 8826 3879 8826
      3878 8869

$$

SHIMON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:02 PM CDTSpecial Weather StatementILXMorgan, Sangamon58 min
Jun 25, 7:16 PM CDTSevere Thunderstorm WarningILXCass, Morgan59 min
Jun 25, 7:35 PM CDTSpecial Weather StatementILXSangamon55 min
Jun 25, 7:41 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon46 min
Jun 25, 8:34 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott56 min
Jun 25, 8:42 PM CDTFlash Flood WarningILXCass, Mason, Morgan, Schuyler, Scott6 hr
Jun 25, 8:59 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon61 min
Jun 25, 9:04 PM CDTSpecial Weather StatementILXScott56 min
Jun 25, 9:06 PM CDTSevere Thunderstorm WarningILXMorgan, Scott54 min
Jun 25, 9:21 PM CDTFlash Flood WarningILXChristian, Menard, Morgan, Sangamon6 hr
Jun 25, 9:23 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon42 min
Jun 25, 9:57 PM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper63 min
Jun 25, 10:02 PM CDTSevere Thunderstorm WarningILXChristian, Shelby58 min
Jun 25, 11:27 PM CDTFlash Flood WarningILXClark, Crawford, Cumberland, Jasper6 hr
Jun 25, 11:31 PM CDTSevere Thunderstorm WarningILXClay59 min
Jun 25, 11:54 PM CDTFlash Flood WarningILXClay, Lawrence, Richland12 hr
Jun 26, 12:11 AM CDTSpecial Weather StatementILXLawrence, Richland64 min
Jun 26, 1:10 AM CDTFlash Flood WatchILXSangamon6 hr
Jun 26, 2:26 AM CDTAreal Flood WarningILXCass, Morgan, Scott9 hr
Jun 26, 3:25 AM CDTAreal Flood WarningILXSangamon6 hr
Jun 26, 5:02 AM CDTAreal Flood WarningILXCumberland6 hr
Jun 26, 10:11 AM CDTRiver Flood WarningILXLawrence4 days
Jun 26, 11:33 AM CDTAreal Flood WarningILXMorgan6 hr
Jun 26, 2:35 PM CDTFlash Flood WatchILXCass, Morgan, Sangamon, Schuyler, Scott15 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.