Alert archive / Illinois / Flash Flood Warnings in 2011

Flash Flood Warning 32, NWS Lincoln, IL

June 15, 20118 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 15, 2011, 1:56 AM CDT for 8 counties in Illinois. It was in force for 6 hr. 16 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 15, 2011, 1:56 AM CDT (06:56 UTC)
Expired
Jun 15, 2011, 8:00 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, IL, Knox County, IL, Marshall County, IL, Mason County, IL, Peoria County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 96 km from the middle of the area, began a volume at 06:59 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 15, 2:54 AM CDTHEAVY RAIN 2.3Peoria, IL4 HOUR TOTAL SINCE 11 PM TUESDAY.
Jun 15, 5:00 AM CDTHEAVY RAIN 2.17Bryant, IL
Jun 15, 5:30 AM CDTHEAVY RAIN 1.643 Ne Dunlap, IL
Jun 15, 6:00 AM CDTHEAVY RAIN 1.6Wataga, IL
Jun 15, 6:00 AM CDTHEAVY RAIN 1.62Knoxville, IL
Jun 15, 6:00 AM CDTHEAVY RAIN 1.85Sparland, IL
Jun 15, 6:00 AM CDTHEAVY RAIN 1.95Havana, IL
Jun 15, 6:00 AM CDTHEAVY RAIN 2.62 Sw Peoria, IL
Jun 15, 6:25 AM CDTHEAVY RAIN 1.782 W Princeville, IL
Jun 15, 7:00 AM CDTHEAVY RAIN 1.57St. David, IL
Jun 15, 7:00 AM CDTHEAVY RAIN 1.721 S Pekin, IL
Jun 15, 7:00 AM CDTHEAVY RAIN 2.04Toulon, IL
Jun 15, 7:00 AM CDTHEAVY RAIN 2.22Galesburg, IL
Jun 15, 7:00 AM CDTHEAVY RAIN 2.7Galesburg, IL
Jun 15, 7:06 AM CDTHEAVY RAIN 1.62Knoxville, IL
Jun 15, 8:00 AM CDTHEAVY RAIN 2.445 Nw Peoria, IL

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.9 hours before the alert went out and 96 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, Davenport, at 00:00Z on 2011-06-15Temperature 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, Davenport, at 00:00Z on 2011-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
1429 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
238 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.

401 
WGUS53 KILX 150656
FFWILX
ILC057-095-123-125-143-175-179-203-151300-
/O.NEW.KILX.FF.W.0032.110615T0656Z-110615T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
156 AM CDT WED JUN 15 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FULTON COUNTY IN WEST CENTRAL ILLINOIS...
  KNOX COUNTY IN WEST CENTRAL ILLINOIS...
  NORTH CENTRAL MASON COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN TAZEWELL COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN WOODFORD COUNTY IN CENTRAL ILLINOIS...
  PEORIA COUNTY IN CENTRAL ILLINOIS...
  STARK COUNTY IN NORTH CENTRAL ILLINOIS...
  WESTERN MARSHALL COUNTY IN CENTRAL ILLINOIS...

* UNTIL 800 AM CDT

* AT 150 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR RAINFALL ESTIMATES SHOWED THAT 1 TO 2 INCHES OF
  RAIN HAD FALLEN SINCE 100 AM. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 
  2 INCHES WILL BE LIKELY DURING THE PRE-DAWN HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CANTON...GALESBURG...HAVANA...LACON...LEWISTOWN...PEKIN...PEORIA...
  ABINGDON...ALTONA...AVON...BARTONVILLE...BELLEVUE...BRADFORD...
  BRIMFIELD...CAMP GROVE...CASTLETON...CHILLICOTHE...CREVE COEUR...
  CUBA...DUNLAP...EAST PEORIA...ELMIRA...ELMORE...ELMWOOD...
  FAIRVIEW...FARMINGTON...GERMANTOWN HILLS...GILSON...GLASFORD AND
  HANNA CITY.

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 4115 8963 4115 8933 4111 8933 4111 8924
      4044 8963 4026 9010 4028 9044 4116 9043
      4116 8988 4124 8987 4124 8964

$$

CHURCHILL
1 follow-up statement
210 
WGUS73 KILX 151255
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
755 AM CDT WED JUN 15 2011

ILC057-095-123-125-143-175-179-203-151311-
/O.EXP.KILX.FF.W.0032.000000T0000Z-110615T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARSHALL IL-MASON IL-PEORIA IL-STARK IL-TAZEWELL IL-WOODFORD IL-
FULTON IL-KNOX IL-
755 AM CDT WED JUN 15 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR KNOX...FULTON...
NORTHWESTERN WOODFORD...NORTHWESTERN TAZEWELL...STARK...PEORIA...
NORTH CENTRAL MASON AND WESTERN MARSHALL COUNTIES WILL BE ALLOWED TO
EXPIRE AT 800 AM CDT...

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 4115 8963 4115 8933 4111 8933 4111 8924
      4044 8963 4026 9010 4028 9044 4116 9043
      4116 8988 4124 8987 4124 8964

$$

BAK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 12:38 AM CDTSpecial Weather StatementILXPeoria52 min
Jun 15, 12:47 AM CDTSpecial Weather StatementILXKnox43 min
Jun 15, 2:21 AM CDTSpecial Weather StatementILXMcLean39 min
Jun 15, 2:58 AM CDTFlash Flood WarningILXCass, Fulton, Mason, Schuyler4 hr
Jun 15, 3:49 AM CDTAreal Flood AdvisoryILXMcLean, Tazewell, Woodford6 hr
Jun 15, 4:31 AM CDTSpecial Weather StatementILXChampaign59 min
Jun 15, 5:01 AM CDTSpecial Weather StatementILXChristian59 min
Jun 15, 5:19 AM CDTAreal Flood AdvisoryILXChristian, Macon, Moultrie, Piatt, Shelby4 hr
Jun 15, 5:36 AM CDTFlash Flood WarningILXMacon, Moultrie, Piatt6 hr
Jun 15, 6:02 AM CDTSevere Thunderstorm WarningILXEdgar, Vermilion28 min
Jun 15, 1:45 PM CDTSevere Thunderstorm WarningILXChristian, Macon, Shelby30 min
Jun 15, 3:45 PM CDTTornado WarningILXClark, Coles, Cumberland31 min
Jun 15, 3:48 PM CDTTornado WarningILXCumberland42 min
Jun 15, 4:20 PM CDTTornado WarningILXClark, Crawford, Cumberland, Jasper40 min
Jun 15, 6:06 PM CDTRiver Flood WarningILXFulton, Knox24 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.