Alert archive / Illinois / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS Lincoln, IL

May 21, 2014Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 21, 2014, 8:16 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 5 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
May 21, 2014, 8:16 PM CDT (01:16 UTC)
Expired
May 22, 2014, 1:30 AM CDT
In force
5 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 113 km from the middle of the area, began a volume at 01:18 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, 1.3 hours before the alert went out and 50 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 2014-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2122 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 00:00Z on 2014-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
2122 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1567 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

037 
WGUS53 KILX 220116
FFWILX
ILC019-183-220630-
/O.NEW.KILX.FF.W.0008.140522T0116Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
816 PM CDT WED MAY 21 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL VERMILION COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 130 AM CDT

* AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RAINFALL OF 3 TO 3.5 INCHES HAVE BEEN ESTIMATED
  FROM THE STORMS MOVING OVER THE AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DANVILLE...CATLIN...FAIRMOUNT...FISHER...FITHIAN...LAKE OF THE
  WOODS...MAHOMET...OAKWOOD...OGDEN...ST. JOSEPH...THOMASBORO...
  TILTON AND WESTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 4004 8803 4014 8814 4020 8846 4034 8846
      4027 8793 4017 8752 3998 8753

$$

GOETSCH
3 follow-up statements
375 
WGUS73 KILX 220406
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1106 PM CDT WED MAY 21 2014

ILC019-183-220630-
/O.CON.KILX.FF.W.0008.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-CHAMPAIGN IL-
1106 PM CDT WED MAY 21 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN CHAMPAIGN AND
CENTRAL VERMILION COUNTIES UNTIL 130 AM CDT...

AT 1057 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 3 TO 4
INCHES OF RAINFALL HAS FALLEN OVER THE AREA THIS EVENING. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
DANVILLE...CATLIN...FAIRMOUNT...FISHER...FITHIAN...LAKE OF THE
WOODS...MAHOMET...OAKWOOD...OGDEN...ST. JOSEPH...THOMASBORO...TILTON
AND WESTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

&&

LAT...LON 4004 8803 4014 8814 4020 8846 4034 8846
      4027 8793 4017 8752 3998 8753

$$

AUTEN
640 
WGUS73 KILX 220431
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1131 PM CDT WED MAY 21 2014

ILC019-220446-
/O.CAN.KILX.FF.W.0008.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAMPAIGN IL-
1131 PM CDT WED MAY 21 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN CHAMPAIGN
COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3998 8753 4004 8793 4023 8793 4012 8763

$$

ILC183-220630-
/O.CON.KILX.FF.W.0008.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-
1131 PM CDT WED MAY 21 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN VERMILION
COUNTY UNTIL 130 AM CDT...

AT 1131 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. AROUND
3 INCHES OF RAIN HAS FALLEN OVER THE AREA THIS EVENING.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CATLIN...FAIRMOUNT...FITHIAN...OAKWOOD...TILTON AND WESTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

&&

LAT...LON 3998 8753 4004 8793 4023 8793 4012 8763

$$

AUTEN
922 
WGUS73 KILX 220632
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
132 AM CDT THU MAY 22 2014

ILC183-220647-
/O.EXP.KILX.FF.W.0008.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-
132 AM CDT THU MAY 22 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN VERMILION 
COUNTY HAS BEEN ALLOWED TO EXPIRE AT 130 AM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3998 8753 4004 8793 4023 8793 4012 8763

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 7:10 PM CDTSevere Thunderstorm WarningILXChampaign, Vermilion65 min
May 21, 7:34 PM CDTFlash Flood WarningILXChampaign, Douglas, Edgar, Vermilion6 hr
May 21, 7:36 PM CDTSevere Thunderstorm WarningILXChampaign, Edgar, Vermilion54 min
May 21, 7:47 PM CDTSevere Thunderstorm WarningILXChampaign, McLean, Piatt43 min
May 21, 8:22 PM CDTSevere Thunderstorm WarningILXChampaign, Vermilion53 min

Nearby

Flash Flood Warnings in Illinois, 2014Every flash flood warning in 2014

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.