Alert archive / Illinois / Flash Flood Warnings in 2014

Flash Flood Warning 3, NWS Lincoln, IL

February 20, 201413 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Feb 20, 2014, 5:48 PM CST for 13 counties in Illinois. It was in force for 6 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
Feb 20, 2014, 5:48 PM CST (23:48 UTC)
Expired
Feb 20, 2014, 11:30 PM CST
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL, Vermilion County, IL

The radar

The Evansville,IN radar (KVWX), 111 km from the middle of the area, began a volume at 23:49 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.8 hours before the alert went out and 116 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 2014-02-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2014-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 582 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
582 m²/s²
0-3 km storm-relative helicity
576 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

763 
WGUS53 KILX 202348
FFWILX
ILC019-023-025-029-033-035-041-045-049-079-101-159-183-210530-
/O.NEW.KILX.FF.W.0003.140220T2348Z-140221T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
548 PM CST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  COLES COUNTY IN EAST CENTRAL ILLINOIS...
  CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  JASPER COUNTY IN SOUTHEAST ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
  RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 1130 PM CST

* AT 544 PM CST...TRAINED WEATHER SPOTTERS REPORTED SLOW MOVING
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
  RAINFALL RATES OF 3 TO 4 INCHES PER HOUR WERE CAUSING MAJOR
  FLOODING WITH NUMEROUS ROADS IMPASSABLE DUE TO WATER.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CHAMPAIGN...CHARLESTON...DANVILLE...EFFINGHAM...FLORA...
  LAWRENCEVILLE...MARSHALL...MATTOON...NEWTON...OLNEY...PARIS...
  RANTOUL...ROBINSON...TOLEDO...TUSCOLA...ALLERTON...ALTAMONT...
  ANNAPOLIS...ARCOLA...ARTHUR...ASHMORE...BEECHER CITY...BIBLE
  GROVE...BIRDS...BOGOTA...BRIDGEPORT...BROADLANDS...BROCTON...
  CALHOUN AND CAMARGO.

SPOTTERES REPORTED NUMEROUS ROADS FLOODED IN THE CITY OF CHAMPAIGN. 
THE CITY OF EFFINGHAM LIKELY HAS MANY ROADS FLOODED...BASED ON RADAR
ESTIMATES OF VERY HEAVY RAIN. FLOODING IS LIKELY ALL ALONG THE LINE
OF THUNDERSTORMS DUE TO RAINFALL RATES OF 3 TO 4 INCHES PER HOUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

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 3869 8752 3866 8760 3859 8761 3860 8869
      3891 8870 3891 8877 3921 8881 3922 8847
      4040 8846 4039 8796 4049 8794 4049 8752
      3935 8752 3931 8761 3921 8757 3914 8765
      3896 8751 3886 8754 3879 8749

$$

SHIMON
2 follow-up statements
516 
WGUS73 KILX 210014
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
614 PM CST THU FEB 20 2014

ILC019-023-025-029-033-035-041-045-049-079-101-159-183-210530-
/O.CON.KILX.FF.W.0003.000000T0000Z-140221T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-VERMILION IL-CHAMPAIGN IL-CLARK IL-
CLAY IL-COLES IL-CRAWFORD IL-CUMBERLAND IL-DOUGLAS IL-EDGAR IL-
EFFINGHAM IL-
614 PM CST THU FEB 20 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EFFINGHAM...EDGAR...
DOUGLAS...CUMBERLAND...CRAWFORD...COLES...CLAY...CLARK...CHAMPAIGN...
VERMILION...RICHLAND...LAWRENCE AND JASPER COUNTIES UNTIL 1130 PM
CST...

AT 609 PM CST...WEATHER SPOTTERS REPORTED THAT FLASH FLOODING WAS 
OCCURRING IN NUMEROUS LOCATIONS AND MANY ROADS WERE CLOSED DUE TO 
WATER COVERING THEM.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CHAMPAIGN...CHARLESTON...DANVILLE...EFFINGHAM...FLORA...
LAWRENCEVILLE...MARSHALL...MATTOON...NEWTON...OLNEY...PARIS...
RANTOUL...ROBINSON...TOLEDO...TUSCOLA...ALLERTON...ALTAMONT...
ANNAPOLIS...ARCOLA...ASHMORE...BEECHER CITY...BIBLE GROVE...BIRDS...
BOGOTA...BRIDGEPORT...BROADLANDS...BROCTON...CALHOUN...CAMARGO AND
CASEY.

SPOTTERS REPORTED NUMEROUS ROADS FLOODED IN THE CITY OF CHAMPAIGN. 
STATE ROUTE 150 WAS CLOSED WEST OF MAHOMET. MANY ROADS IN MATTOON 
WERE IMPASSABLE. THE CITY OF EFFINGHAM LIKELY HAS MANY ROADS 
FLOODED...BASED  ON RADAR ESTIMATES OF VERY HEAVY RAIN. FLASH 
FLOODING IS LIKELY ALL ALONG THE LINE OF THUNDERSTORMS DUE TO 
RAINFALL RATES OF 3 TO 4 INCHES PER HOUR. THE STORMS SHOULD MOVE OUT 
OF ILLINOIS BY 730 PM...BUT ROADS WILL REMAIN FLOODED FOR SEVERAL 
MORE HOURS.

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 3869 8752 3866 8760 3859 8761 3860 8869
      3891 8870 3891 8877 3921 8881 3922 8847
      4040 8846 4039 8796 4049 8794 4049 8752
      3935 8752 3931 8761 3921 8757 3914 8765
      3896 8751 3886 8754 3879 8749

$$

SHIMON
945 
WGUS73 KILX 210509
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1109 PM CST THU FEB 20 2014

ILC019-023-025-029-033-035-041-045-049-079-101-159-183-210523-
/O.CAN.KILX.FF.W.0003.000000T0000Z-140221T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-VERMILION IL-CHAMPAIGN IL-CLARK IL-
CLAY IL-COLES IL-CRAWFORD IL-CUMBERLAND IL-DOUGLAS IL-EDGAR IL-
EFFINGHAM IL-
1109 PM CST THU FEB 20 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EFFINGHAM...
EDGAR...DOUGLAS...CUMBERLAND...CRAWFORD...COLES...CLAY...CLARK...
CHAMPAIGN...VERMILION...RICHLAND...LAWRENCE AND JASPER COUNTIES IS
CANCELLED...

THIS WARNING HAS BEEN REPLACED BY AN AREAL FLOOD WARNING UNTIL 5 
AM.  

THOUGH THE THREAT FOR FLASH FLOODING HAS ENDED...A FLOODING THREAT
REMAINS WITH STANDING WATER OVER MANY ROADS.  AN AREAL FLOOD
WARNING HAS REPLACED THIS WARNING AND IS IN EFFECT UNTIL 5 AM. 
IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL 
LAW ENFORCEMENT AGENCY.

LAT...LON 3869 8752 3866 8760 3859 8761 3860 8869
      3891 8870 3891 8877 3921 8881 3922 8847
      4040 8846 4039 8796 4049 8794 4049 8752
      3935 8752 3931 8761 3921 8757 3914 8765
      3896 8751 3886 8754 3879 8749

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 8:02 PM CSTRiver Flood WarningILXClay, Richland7 days
Feb 19, 9:16 PM CSTHigh Wind WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more6 hr
Feb 19, 11:12 PM CSTRiver Flood WarningILXFulton, Knox5 days
Feb 19, 11:12 PM CSTRiver Flood WarningILXFulton4 days
Feb 20, 3:15 AM CSTHigh Wind WarningILXCass, Champaign, Christian, DeWitt, Douglas, Edgar and 19 more20 hr
Feb 20, 3:15 AM CSTWind AdvisoryILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more24 hr
Feb 20, 11:46 AM CSTAreal Flood WarningILXKnox, Stark5 hr
Feb 20, 2:20 PM CSTSevere Thunderstorm WarningILXCass, Mason, Menard, Morgan, Sangamon, Schuyler and 1 more40 min
Feb 20, 2:40 PM CSTDense Fog AdvisoryILXFulton, Knox, McLean, Marshall, Peoria, Stark and 2 more2 hr
Feb 20, 2:45 PM CSTSevere Thunderstorm WarningILXFulton, Schuyler30 min
Feb 20, 2:49 PM CSTTornado WarningILXCass, Mason, Morgan, Scott26 min
Feb 20, 3:17 PM CSTSevere Thunderstorm WarningILXMason, Menard28 min
Feb 20, 3:29 PM CSTSevere Thunderstorm WarningILXChristian, Sangamon31 min
Feb 20, 3:49 PM CSTTornado WarningILXChristian, Sangamon26 min
Feb 20, 4:01 PM CSTSevere Thunderstorm WarningILXChristian, Coles, Douglas, Macon, Moultrie, Piatt and 1 more59 min
Feb 20, 4:08 PM CSTTornado WarningILXDeWitt, Logan, Macon, Sangamon22 min
Feb 20, 4:09 PM CSTFlash Flood WarningILXSangamon5 hr
Feb 20, 4:11 PM CSTTornado WarningILXChristian, Shelby34 min
Feb 20, 4:40 PM CSTTornado WarningILXColes, Douglas, Moultrie, Piatt, Shelby35 min
Feb 20, 4:47 PM CSTTornado WarningILXEffingham, Moultrie, Shelby28 min
Feb 20, 5:06 PM CSTSevere Thunderstorm WarningILXClark, Coles, Crawford, Cumberland, Douglas, Edgar and 3 more54 min
Feb 20, 5:12 PM CSTTornado WarningILXColes, Douglas, Edgar33 min
Feb 20, 5:14 PM CSTTornado WarningILXClark, Coles, Cumberland, Edgar31 min
Feb 20, 5:42 PM CSTFlash Flood WarningILXDeWitt, Macon, Moultrie, Piatt, Shelby6 hr
Feb 20, 5:45 PM CSTTornado WarningILXEdgar, Vermilion30 min

Nearby

Flash Flood Warnings in Illinois, 2014Every flash flood warning in 2014

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; radar from the NEXRAD Level II archive.