Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 7, NWS Lincoln, IL

June 26, 2016Lawrence County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 26, 2016, 8:34 PM CDT for Lawrence County, Illinois. It was in force for 116 min. 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 26, 2016, 8:34 PM CDT (01:34 UTC)
Expired: Jun 26, 2016, 10:30 PM CDT
In force: 116 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

County Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 52 km from the middle of the area, began a volume at 01:34 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 00:00Z, 1.6 hours before the alert went out and 172 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 535 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1329 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.5

Open this sounding in Storm Lab

The text

As transmitted.

170 
WGUS53 KILX 270134
FFWILX
ILC101-270330-
/O.NEW.KILX.FF.W.0007.160627T0134Z-160627T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
834 PM CDT SUN JUN 26 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL LAWRENCE COUNTY IN SOUTHEASTERN ILLINOIS...

* UNTIL 1030 PM CDT

* AT 834 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SUMNER AND RED HILLS STATE PARK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3874 8783 3868 8783 3867 8790 3873 8790

$$

BAK

1 follow-up statement

513 
WGUS73 KILX 270332
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1032 PM CDT SUN JUN 26 2016

ILC101-270342-
/O.EXP.KILX.FF.W.0007.000000T0000Z-160627T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAWRENCE-
1032 PM CDT SUN JUN 26 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL LAWRENCE COUNTY HAS
EXPIRED...

FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3874 8783 3868 8783 3867 8790 3873 8790

$$

BAK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 8:23 PM CDT	Areal Flood Advisory	ILX	Lawrence, Richland	112 min

Nearby

Flash Flood Warnings in Illinois, 2016 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.