Alert archive / Illinois / Flash Flood Warnings in 2018

Flash Flood Warning 9, NWS Lincoln, IL

June 11, 20186 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 11, 2018, 10:10 PM CDT for 6 counties in Illinois. It was in force for 6 hr. 7 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: Jun 11, 2018, 10:10 PM CDT (03:10 UTC)
Expired: Jun 12, 2018, 4:15 AM 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), 66 km from the middle of the area, began a volume at 03:10 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

Time	Report	Where	Remark
Jun 11, 10:30 PM CDT	FLASH FLOOD	3 Nnw Oblong, IL	FLOODING ON N 100TH ST NORTH OF 1360N. CAR STALLED OUT.
Jun 11, 10:33 PM CDT	FLASH FLOOD	3 Se Clay City, IL	SEVERAL COUNTY ROADS FLOODED SOUTHEAST OF CLAY CITY. WILCOX BRIDGE LANE FLOODED AND CLOSED.
Jun 11, 10:35 PM CDT	FLASH FLOOD	Hutsonville, IL	FLOODING ON SEVERAL ROADS IN HUTSONVILLE.
Jun 11, 10:35 PM CDT	FLASH FLOOD	Palestine, IL	FLOODING REPORTED ON SEVERAL STREETS IN LOW LYING AREAS NEAR CREEKS AROUND PALESTINE
Jun 11, 10:36 PM CDT	FLASH FLOOD	1 E Effingham, IL	FLOODING IN SEVERAL PLACES ALONG E FAYETTE AVENUE EAST OF EFFINGHAM
Jun 11, 10:49 PM CDT	FLASH FLOOD	Bridgeport, IL	800E SOUTH OF BRIDGEPORT TO THE COUNTY LINE FLOODED. MANY ROADS IN BRIDGEPORT CLOSED DUE TO FLOODING.
Jun 11, 11:59 PM CDT	HEAVY RAIN 3.19	Newton, 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 00:00Z, 3.2 hours before the alert went out and 158 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: 431 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 850 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 260 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

145 
WGUS53 KILX 120310
FFWILX
ILC025-033-049-079-101-159-120915-
/O.NEW.KILX.FF.W.0009.180612T0310Z-180612T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
1010 PM CDT MON JUN 11 2018

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Lawrence County in southeastern Illinois...
  Crawford County in east central Illinois...
  Jasper County in southeastern Illinois...
  Richland County in southeastern Illinois...
  Clay County in south central Illinois...
  Effingham County in south central Illinois...

* Until 415 AM CDT Tuesday

* At 1010 PM CDT, emergency management reported heavy rain across the
  warned area. Up to two inches of rain have already fallen. Flash
  flooding is already occurring.

* Some locations that will experience flooding include...
  Vincennes, Effingham, Olney, Robinson, Flora, Lawrenceville,
  Newton, Sumner, Altamont, Teutopolis, Oblong, Palestine,
  Louisville, Clay City, Watson, St. Francisville, Noble, Dieterich,
  Hutsonville and Edgewood.

This includes the following highways...
 Interstate 57 between mile markers 143 and 163.
 Interstate 70 between mile markers 79 and 97.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3860 8816 3861 8869 3891 8870 3891 8881
      3915 8880 3915 8765 3911 8765 3906 8757
      3899 8756 3899 8758 3896 8751 3886 8755
      3879 8750 3869 8752 3866 8760 3859 8761
      3857 8765 3857 8814

$$

Shimon

1 follow-up statement

082 
WGUS73 KILX 120916
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
416 AM CDT TUE JUN 12 2018

ILC025-033-049-079-101-159-120926-
/O.EXP.KILX.FF.W.0009.000000T0000Z-180612T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence-Crawford-Jasper-Richland-Clay-Effingham-
416 AM CDT TUE JUN 12 2018

...THE FLASH FLOOD WARNING FOR LAWRENCE...CRAWFORD...JASPER...
RICHLAND...CLAY AND EFFINGHAM COUNTIES 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 3860 8816 3861 8869 3891 8870 3891 8881
      3915 8880 3915 8765 3911 8765 3906 8757
      3899 8756 3899 8758 3896 8751 3886 8755
      3879 8750 3869 8752 3866 8760 3859 8761
      3857 8765 3857 8814

$$

Bak

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:25 PM CDT	Severe Thunderstorm Warning	ILX	Effingham, Jasper	50 min
Jun 11, 7:30 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	45 min
Jun 11, 7:34 PM CDT	Severe Thunderstorm Warning	ILX	Clay	24 min
Jun 11, 9:20 PM CDT	River Flood Warning	ILX	Clay, Richland	8 days
Jun 11, 11:57 PM CDT	Special Weather Statement	ILX	Shelby	63 min
Jun 12, 1:03 AM CDT	Flash Flood Warning	ILX	Christian, Cumberland, Shelby	6 hr
Jun 12, 6:00 AM CDT	Flash Flood Warning	ILX	Clay, Effingham	4 hr
Jun 12, 6:57 AM CDT	Flash Flood Warning	ILX	Christian, Cumberland, Shelby	4 hr
Jun 12, 9:56 AM CDT	Areal Flood Warning	ILX	Clay, Effingham	6 hr
Jun 12, 9:57 AM CDT	River Flood Warning	ILX	Piatt	53 hr
Jun 12, 2:59 PM CDT	Flash Flood Watch	ILX	Clay, Crawford, Effingham, Jasper, Lawrence, Richland	5 hr

Nearby

Flash Flood Warnings in Illinois, 2018 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.