Alert archive / Illinois / Flash Flood Warnings in 2017

Flash Flood Warning 28, NWS Lincoln, IL

November 5, 2017Clay County, Jasper County, Illinois

NWS Lincoln, IL issued this flash flood warning at Nov 5, 2017, 5:09 PM CST for Clay County, Jasper County, Illinois. 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: Nov 5, 2017, 5:09 PM CST (23:09 UTC)
Expired: Nov 5, 2017, 8:15 PM CST
In force: 3 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties Clay County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 82 km from the middle of the area, began a volume at 23:09 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, 11.2 hours before the alert went out and 155 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: 1199 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 454 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 382 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

As transmitted.

806 
WGUS53 KILX 052309
FFWILX
ILC025-079-060215-
/O.NEW.KILX.FF.W.0028.171105T2309Z-171106T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
509 PM CST SUN NOV 5 2017

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Southwestern Jasper County in southeastern Illinois...
  Central Clay County in south central Illinois...

* Until 815 PM CST

* At 509 PM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Louisville, Sailor Springs, Ingraham, Oskaloosa and Wendelin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3865 8870 3880 8869 3891 8825 3885 8825
      3884 8826 3873 8826 3873 8828 3871 8829

$$

Barnes

1 follow-up statement

315 
WGUS73 KILX 060058
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
658 PM CST SUN NOV 5 2017

ILC025-079-060108-
/O.CAN.KILX.FF.W.0028.000000T0000Z-171106T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jasper-Clay-
658 PM CST SUN NOV 5 2017

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN JASPER AND CENTRAL CLAY
COUNTIES IS CANCELLED...

The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.

LAT...LON 3865 8870 3880 8869 3891 8825 3885 8825
      3884 8826 3873 8826 3873 8828 3871 8829

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 3:58 AM CST	Dense Fog Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more	6 hr
Nov 5, 10:35 AM CST	Special Weather Statement	ILX	Lawrence	25 min
Nov 5, 11:10 AM CST	Special Weather Statement	ILX	Champaign, Moultrie, Piatt, Vermilion	50 min
Nov 5, 11:42 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	48 min
Nov 5, 12:54 PM CST	Severe Thunderstorm Warning	ILX	Christian, Macon	28 min
Nov 5, 2:05 PM CST	Special Weather Statement	ILX	Douglas	40 min
Nov 5, 2:17 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	43 min
Nov 5, 2:49 PM CST	Severe Thunderstorm Warning	ILX	Christian, Moultrie, Shelby	41 min
Nov 5, 3:27 PM CST	Special Weather Statement	ILX	Coles, Cumberland, Effingham	48 min
Nov 5, 4:19 PM CST	Severe Thunderstorm Warning	ILX	Clark	41 min
Nov 5, 5:36 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	24 min
Nov 5, 5:57 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	33 min

Nearby

Flash Flood Warnings in Illinois, 2017 Every flash flood warning in 2017

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.