Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Lincoln, IL

February 2, 2016Champaign County, Piatt County, Illinois

NWS Lincoln, IL issued this flash flood warning at Feb 2, 2016, 6:19 PM CST for Champaign County, Piatt 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
Feb 2, 2016, 6:19 PM CST (00:19 UTC)
Expired
Feb 2, 2016, 9:15 PM CST
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 71 km from the middle of the area, began a volume at 00:22 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, 0.3 hours before the alert went out and 12 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 2016-02-03Temperature 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 2016-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -143 square meters per square second.1939587897117136156175Sfc1 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
1004 m above ground
0-6 km bulk shear
117 kt
0-1 km storm-relative helicity
-143 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

514 
WGUS53 KILX 030019
FFWILX
ILC019-147-030315-
/O.NEW.KILX.FF.W.0001.160203T0019Z-160203T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
619 PM CST TUE FEB 2 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PIATT COUNTY IN CENTRAL ILLINOIS...
  WESTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 915 PM CST

* AT 619 PM CST...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  RANTOUL...MONTICELLO...MAHOMET...FISHER...BEMENT...CERRO GORDO...
  ATWOOD...MANSFIELD...HAMMOND...DE LAND...BONDVILLE...WHITE HEATH...
  LAKE OF THE WOODS...SEYMOUR...IVESDALE...CISCO...FOOSLAND...
  LODGE...GALESVILLE AND DEWEY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 72 BETWEEN MILE MARKERS 157 AND 181.
 INTERSTATE 74 BETWEEN MILE MARKERS 162 AND 177.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3995 8843 3988 8845 3988 8846 3979 8846
      3979 8874 4009 8874 4009 8868 4015 8867
      4027 8856 4027 8845 4040 8846 4040 8815

$$

BARNES
1 follow-up statement
442 
WGUS73 KILX 030217
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
817 PM CST TUE FEB 2 2016

ILC019-147-030227-
/O.CAN.KILX.FF.W.0001.000000T0000Z-160203T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-
817 PM CST TUE FEB 2 2016

...THE FLASH FLOOD WARNING FOR PIATT AND WESTERN CHAMPAIGN COUNTIES
IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 3995 8843 3988 8845 3988 8846 3979 8846
      3979 8874 4009 8874 4009 8868 4015 8867
      4027 8856 4027 8845 4040 8846 4040 8815

$$

BAK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 6:38 PM CSTAreal Flood AdvisoryILXMoultrie, Shelby3 hr
Feb 2, 6:50 PM CSTAreal Flood AdvisoryILXChampaign3 hr
Feb 2, 7:09 PM CSTDense Fog AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more8 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.