Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 23, NWS Lincoln, IL

August 14, 20164 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Aug 14, 2016, 6:12 AM CDT for 4 counties in Illinois. It was in force for 4 hr. 4 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
Aug 14, 2016, 6:12 AM CDT (11:12 UTC)
Expired
Aug 14, 2016, 10:15 AM CDT
In force
4 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

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

The radar

The Evansville,IN radar (KVWX), 53 km from the middle of the area, began a volume at 11:12 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
Aug 14, 6:29 AM CDTHEAVY RAIN 1.723 S Olney, ILMESONET STATION 3 S OLNEY /C5008/.
Aug 14, 6:29 AM CDTHEAVY RAIN 2.73 S Olney, ILMESONET STATION 3 S OLNEY /C5008/.
Aug 14, 6:53 AM CDTHEAVY RAIN 3.754 Se Pinkstaff, ILASOS STATION LAWRENCEVILLE-VINCENNES INTL AP /LWV/.
Aug 14, 7:19 AM CDTHEAVY RAIN 2.883 S Olney, ILMESONET STATION 3 S OLNEY /C5008/.

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, 11.2 hours before the alert went out and 173 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 2016-08-14Temperature 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 00:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

415 
WGUS53 KILX 141112
FFWILX
ILC025-033-101-159-141515-
/O.NEW.KILX.FF.W.0023.160814T1112Z-160814T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
612 AM CDT SUN AUG 14 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  RICHLAND COUNTY IN SOUTHEASTERN ILLINOIS...
  SOUTHEASTERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEASTERN ILLINOIS...

* UNTIL 1015 AM CDT

* AT 611 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL RATES EXCEEDING ONE
  INCH PER HOUR ARE OCCURRING IN MANY AREAS. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  OLNEY...LAWRENCEVILLE...SUMNER...ST. FRANCISVILLE...NOBLE...
  FLAT ROCK...PARKERSBURG...CLAREMONT...CALHOUN...RUSSELLVILLE...
  CHAUNCEY...BIRDS...SCHNELL...PETROLIA...BILLETT...BERRYVILLE...
  HELENA...MOUNT CARMEL AIRPORT...OLNEY NOBLE AIRPORT AND PINKSTAFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3858 8815 3860 8816 3860 8838 3869 8829
      3885 8795 3900 8756 3899 8757 3896 8751
      3890 8752 3889 8754 3886 8755 3879 8750
      3874 8750 3868 8754 3866 8760 3859 8761
      3859 8764 3857 8764 3857 8800

$$

BAK
2 follow-up statements
056 
WGUS73 KILX 141227
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
727 AM CDT SUN AUG 14 2016

ILC025-033-101-159-141515-
/O.CON.KILX.FF.W.0023.000000T0000Z-160814T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-RICHLAND-CLAY-LAWRENCE-
727 AM CDT SUN AUG 14 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
SOUTHEASTERN CRAWFORD...RICHLAND...SOUTHEASTERN CLAY AND LAWRENCE
COUNTIES...

AT 726 AM CDT...GAUGE REPORTS INDICATED THUNDERSTORMS WERE PRODUCING
HEAVY RAIN OVER THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN SINCE 1 AM. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
OLNEY...LAWRENCEVILLE...SUMNER...ST. FRANCISVILLE...NOBLE...
FLAT ROCK...PARKERSBURG...CLAREMONT...CALHOUN...RUSSELLVILLE...
CHAUNCEY...BIRDS...SCHNELL...PETROLIA...BILLETT...BERRYVILLE...
HELENA...MOUNT CARMEL AIRPORT...OLNEY NOBLE AIRPORT AND PINKSTAFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3858 8815 3860 8816 3860 8838 3869 8829
      3885 8795 3900 8756 3899 8757 3896 8751
      3890 8752 3889 8754 3886 8755 3879 8750
      3874 8750 3868 8754 3866 8760 3859 8761
      3859 8764 3857 8764 3857 8800

$$

BAK
380 
WGUS73 KILX 141518
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1018 AM CDT SUN AUG 14 2016

ILC025-033-101-159-141526-
/O.EXP.KILX.FF.W.0023.000000T0000Z-160814T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-RICHLAND-CLAY-LAWRENCE-
1018 AM CDT SUN AUG 14 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN CRAWFORD...RICHLAND...
SOUTHEASTERN CLAY AND LAWRENCE COUNTIES HAS EXPIRED...

THE HEAVY RAIN HAS SHIFTED NORTHWARD TOWARD THE I-70 CORRIDOR.
FLOODING IS NO LONGER EXPECTED TO POSE AN IMMINENT THREAT.
HOWEVER...A FLASH FLOOD WATCH DOES REMAIN IN EFFECT...AND FLOODING
MAY DEVELOP AGAIN OVER THE NEXT COUPLE DAYS. 

LAT...LON 3858 8815 3860 8816 3860 8838 3869 8829
      3885 8795 3900 8756 3899 8757 3896 8751
      3890 8752 3889 8754 3886 8755 3879 8750
      3874 8750 3868 8754 3866 8760 3859 8761
      3859 8764 3857 8764 3857 8800

$$

GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:32 PM CDTRiver Flood WarningILXClay, Richland9 days
Aug 14, 3:22 PM CDTSpecial Weather StatementILXDeWitt, Logan, McLean, Tazewell3 hr

Nearby

Flash Flood Warnings in Illinois, 2016Every flash flood warning in 2016

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.