Alert archive / Illinois / Flash Flood Warnings in 2018

Flash Flood Warning 21, NWS Paducah, KY

June 12, 2018Wabash County, Illinois; Gibson County, Indiana

NWS Paducah, KY issued this flash flood warning at Jun 12, 2018, 3:48 PM CDT for Wabash County, Illinois; Gibson County, Indiana. It was in force for 3 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
Jun 12, 2018, 3:48 PM CDT (20:48 UTC)
Expired
Jun 12, 2018, 6:45 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Wabash County, IL, Gibson County, IN

The radar

The Evansville,IN radar (KVWX), 17 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 210 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 2018-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
77 J/kg
Mixed-layer CIN
-283 J/kg
Mixed-layer LCL
1317 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WGUS53 KPAH 122048
FFWPAH
ILC185-INC051-122345-
/O.NEW.KPAH.FF.W.0021.180612T2048Z-180612T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
348 PM CDT TUE JUN 12 2018

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Wabash County in southeastern Illinois...
  Gibson County in southwestern Indiana...

* Until 645 PM CDT.

* At 347 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain moving into the warned area. Flash flooding is expected 
  to begin shortly. 

* Some locations that will experience flooding include...
  Princeton, Mount Carmel, Fort Branch, Oakland City, Princeton In
  Gibson County, Lancaster, Haubstadt, Owensville, Patoka, Allendale,
  Francisco, Somerville, Bellmont, Hazleton, Decker, Keensburg and
  Mackey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3851 8765 3846 8776 3842 8774 3845 8760
      3850 8758 3849 8758 3852 8753 3849 8750
      3852 8747 3838 8741 3838 8732 3820 8732
      3816 8759 3821 8780 3823 8780 3824 8798
      3831 8795 3837 8798 3856 8796 3857 8765

$$

DWS
1 follow-up statement
231 
WGUS73 KPAH 122241
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
541 PM CDT TUE JUN 12 2018

ILC185-INC051-122345-
/O.CON.KPAH.FF.W.0021.000000T0000Z-180612T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wabash IL-Gibson IN-
541 PM CDT TUE JUN 12 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
WABASH AND GIBSON COUNTIES...

At 539 PM CDT, Doppler radar indicated heavy rain persisting across 
portions of the warned area this evening. The warning will be 
allowed to continue as water runoff persists. Please use caution 
when traveling or participating in outdoor activities.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3851 8765 3846 8776 3842 8774 3845 8760
      3850 8758 3849 8758 3852 8753 3849 8750
      3852 8747 3838 8741 3838 8732 3820 8732
      3816 8759 3821 8780 3823 8780 3824 8798
      3831 8795 3837 8798 3856 8796 3857 8765

$$

SMITTY

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:03 PM CDTSevere Thunderstorm WarningPAHWayne27 min
Jun 11, 7:28 PM CDTSevere Thunderstorm WarningPAHWayne18 min
Jun 11, 8:20 PM CDTSpecial Weather StatementPAHJefferson, Wayne40 min
Jun 11, 8:47 PM CDTSpecial Weather StatementPAHEdwards, Wayne43 min
Jun 11, 9:29 PM CDTSpecial Weather StatementPAHWabash46 min
Jun 12, 1:21 AM CDTSpecial Weather StatementPAHMassac, Pope39 min
Jun 12, 2:24 AM CDTSpecial Weather StatementPAHPope51 min
Jun 12, 6:39 AM CDTAreal Flood AdvisoryPAHWayne111 min
Jun 12, 7:08 AM CDTFlash Flood WatchPAHEdwards, Wabash, Wayne, White13 hr
Jun 12, 8:36 AM CDTFlash Flood WarningPAHWabash3 hr
Jun 12, 1:36 PM CDTSpecial Weather StatementPAHUnion, Williamson39 min
Jun 12, 1:45 PM CDTSevere Thunderstorm WarningPAHJackson, Union30 min
Jun 12, 2:10 PM CDTSevere Thunderstorm WarningPAHAlexander, Union35 min
Jun 12, 2:17 PM CDTFlash Flood WarningPAHWayne118 min
Jun 12, 2:50 PM CDTSpecial Weather StatementPAHAlexander, Johnson, Pulaski, Union25 min
Jun 12, 3:03 PM CDTSevere Thunderstorm WarningPAHEdwards, Wayne, White27 min
Jun 12, 3:26 PM CDTFlash Flood WarningPAHEdwards2 hr
Jun 12, 3:31 PM CDTSpecial Weather StatementPAHWabash44 min
Jun 12, 3:38 PM CDTSevere Thunderstorm WarningPAHWabash, White37 min
Jun 12, 4:15 PM CDTAreal Flood WarningPAHWayne3 hr
Jun 11, 10:08 PM CDTSpecial Weather StatementPAHVanderburgh, Warrick52 min
Jun 12, 7:19 AM CDTSpecial Weather StatementPAHPike41 min
Jun 12, 9:47 AM CDTAreal Flood WarningPAHWarrick118 min
Jun 12, 9:57 AM CDTSpecial Weather StatementPAHSpencer48 min
Jun 12, 4:14 PM CDTSpecial Weather StatementPAHGibson, Pike, Spencer, Vanderburgh, Warrick46 min
Jun 12, 4:30 PM CDTFlash Flood WarningPAHPike, Spencer, Warrick3 hr
Jun 12, 4:58 PM CDTSpecial Weather StatementPAHSpencer47 min

Nearby

Flash Flood Warnings in Illinois, 2018Flash Flood Warnings in Indiana, 2018Every flash flood warning in 2018

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.