Alert archive / Illinois / Flash Flood Warnings in 2014

Flash Flood Warning 4, NWS Lincoln, IL

April 2, 20146 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Apr 2, 2014, 3:41 PM CDT for 6 counties in Illinois. It was in force for 6 hr. 6 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
Apr 2, 2014, 3:41 PM CDT (20:41 UTC)
Expired
Apr 2, 2014, 9:30 PM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

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

The radar

The Evansville,IN radar (KVWX), 73 km from the middle of the area, began a volume at 20:44 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
Apr 2, 4:03 PM CDTHEAVY RAIN 1.27Altamont, ILTOTAL RAINFALL SO FAR. SWOP REPORT
Apr 2, 4:45 PM CDTHEAVY RAIN 1.1Flora, ILTOTAL RAINFALL SINCE 0730 THIS MORNING. SWOP REPORT.
Apr 2, 5:00 PM CDTHEAVY RAIN 1.412 W Palestine, IL
Apr 2, 7:24 PM CDTHEAVY RAIN 3.01Newton, ILPAST 12 HOURS
Apr 2, 8:03 PM CDTHEAVY RAIN 1.991 Nw Ste. Marie, IL
Apr 2, 8:25 PM CDTHEAVY RAIN 2.09Effingham, 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 12:00Z, 8.7 hours before the alert went out and 151 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 2014-04-02Temperature 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 2014-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
1520 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
213 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.

026 
WGUS53 KILX 022041
FFWILX
ILC025-033-049-079-101-159-030230-
/O.NEW.KILX.FF.W.0004.140402T2041Z-140403T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
341 PM CDT WED APR 2 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  CRAWFORD 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...

* UNTIL 930 PM CDT

* AT 338 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RADAR ESTIMATES AROUND 2 INCHES OF RAIN HAS FALLEN
  OVER A PORTION OF THE WARNING AREA SINCE IT BEGAN AROUND MIDDAY.
  AT LEAST A FEW MORE HOURS OF MODERATE TO HEAVY RAINFALL REMAIN
  POSSIBLE AND WILL INCREASE THE FLOOD THREAT.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...FLORA...LAWRENCEVILLE...NEWTON...OLNEY...ROBINSON...
  ALTAMONT...ANNAPOLIS...BEECHER CITY...BIBLE GROVE...BIRDS...
  BOGOTA...BRIDGEPORT...CALHOUN...CHAUNCEY...CLAREMONT...CLAY CITY...
  DIETERICH...DUNDAS...EATON...EDGEWOOD...FLAT ROCK...HARDINVILLE...
  HIDALGO...HUTSONVILLE...INGRAHAM...IOLA...LOUISVILLE...MONTROSE AND
  NEW HEBRON.

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 3859 8816 3860 8870 3891 8870 3891 8881
      3922 8881 3922 8847 3917 8847 3917 8766
      3909 8762 3907 8757 3900 8757 3897 8754
      3869 8755 3864 8761 3859 8761 3856 8766
      3856 8815

$$

BAK
2 follow-up statements
881 
WGUS73 KILX 030029
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
729 PM CDT WED APR 2 2014

ILC025-033-049-079-101-159-030230-
/O.CON.KILX.FF.W.0004.000000T0000Z-140403T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-CLAY IL-CRAWFORD IL-EFFINGHAM IL-
729 PM CDT WED APR 2 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EFFINGHAM...CRAWFORD...
CLAY...RICHLAND...LAWRENCE AND JASPER COUNTIES UNTIL 930 PM CDT...

AT 725 PM CDT...RAINFALL RATES HAVE DROPPED OFF SIGNIFICANTLY FROM
LATE THIS AFTERNOON...HOWEVER...THE THREAT FOR FLASH FLOODING WILL
CONTINUE THROUGH THE MID EVENING HOURS WITH ADDITIONAL SHOWERS MOVING
THROUGH THE AREA. RAINFALL REPORTS IN THE WARNED AREA HAVE RANGED 
FROM AROUND ONE AND A QUARTER INCHES TO 3 INCHES RECORDED IN NEWTON 
IN JASPER COUNTY. 

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EFFINGHAM...FLORA...LAWRENCEVILLE...NEWTON...OLNEY...ROBINSON...
ALTAMONT...ANNAPOLIS...BEECHER CITY...BIBLE GROVE...BIRDS...BOGOTA...
BRIDGEPORT...CALHOUN...CHAUNCEY...CLAREMONT...CLAY CITY...
DIETERICH...DUNDAS...EATON...EDGEWOOD...FLAT ROCK...HARDINVILLE...
HIDALGO...HUTSONVILLE...INGRAHAM...IOLA...LOUISVILLE...MONTROSE AND
NEW HEBRON.

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.

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 3859 8816 3860 8870 3891 8870 3891 8881
      3922 8881 3922 8847 3917 8847 3917 8766
      3909 8762 3907 8757 3900 8757 3897 8754
      3869 8755 3864 8761 3859 8761 3856 8766
      3856 8815

$$

SMITH
853 
WGUS73 KILX 030215
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
915 PM CDT WED APR 2 2014

ILC025-033-049-079-101-159-030229-
/O.CAN.KILX.FF.W.0004.000000T0000Z-140403T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-CLAY IL-CRAWFORD IL-EFFINGHAM IL-
915 PM CDT WED APR 2 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EFFINGHAM...
CRAWFORD...CLAY...RICHLAND...LAWRENCE AND JASPER COUNTIES IS
CANCELLED...

AN AREAL FLOOD WARNING REPLACING THE FLASH FLOOD WARNING HAS JUST
BEEN ISSUED FOR THE REMAINDER OF THE NIGHT. 

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 3859 8816 3860 8870 3891 8870 3891 8881
      3922 8881 3922 8847 3917 8847 3917 8766
      3909 8762 3907 8757 3900 8757 3897 8754
      3869 8755 3864 8761 3859 8761 3856 8766
      3856 8815

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 3:03 AM CDTFlood WatchILXCass, Champaign, Christian, Clark, Clay, Coles and 19 more48 hr
Apr 2, 5:14 PM CDTSpecial Weather StatementILXEffingham, Jasper46 min
Apr 2, 5:34 PM CDTSevere Thunderstorm WarningILXCrawford, Jasper41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.