Alert archive / Illinois / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Lincoln, IL

May 21, 20144 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at May 21, 2014, 7:34 PM CDT for 4 counties in Illinois. It was in force for 6 hr. 2 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
May 21, 2014, 7:34 PM CDT (00:34 UTC)
Expired
May 22, 2014, 1:30 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Douglas County, IL, Edgar County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 116 km from the middle of the area, began a volume at 00:36 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

TimeReportWhereRemark
May 21, 10:00 PM CDTFLASH FLOODScottland, IL
May 22, 12:01 AM CDTHEAVY RAIN 3.84Ssw Broadlands, ILIL-CP-21

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, 0.6 hours before the alert went out and 57 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.

215 
WGUS53 KILX 220034
FFWILX
ILC019-041-045-183-220630-
/O.NEW.KILX.FF.W.0007.140522T0034Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHERN EDGAR COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 130 AM CDT

* AT 732 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RAINFALL ESTIMATES ARE BETWEEN 3 AND 4 INCHES
  IN SOME AREAS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALLERTON...BROADLANDS...CHRISMAN...GEORGETOWN...HOMER...HUME...
  RIDGE FARM...SIDELL...SIDNEY AND VILLA GROVE.

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 3988 8828 3988 8809 3999 8809 4007 8823
      3998 8753 3971 8753

$$

GOETSCH
3 follow-up statements
096 
WGUS73 KILX 220343
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1043 PM CDT WED MAY 21 2014

ILC019-041-045-183-220630-
/O.CON.KILX.FF.W.0007.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-CHAMPAIGN IL-DOUGLAS IL-EDGAR IL-
1043 PM CDT WED MAY 21 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN EDGAR...
NORTHEASTERN DOUGLAS...SOUTHEASTERN CHAMPAIGN AND SOUTHERN VERMILION
COUNTIES UNTIL 130 AM CDT...

AT 1041 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER
INDICATED THAT AROUND 4 INCHES OF RAIN HAS FALLEN OVER THE AREA.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ALLERTON...BROADLANDS...CHRISMAN...GEORGETOWN...HOMER...HUME...RIDGE
FARM...SIDELL...SIDNEY AND VILLA GROVE.

THE EDGAR SHERIFFS OFFICE REPORTED THAT SCOTTLAND ROAD...JUST EAST OF 
CHRISMAN...WAS FLOODED. IN ADDITION...ONE RESIDENT IN CHRISMAN
REPORTED THAT THEIR BASEMENT WAS FLOODING.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN.

&&

LAT...LON 3988 8828 3988 8809 3999 8809 4007 8823
      3998 8753 3971 8753

$$

AUTEN
777 
WGUS73 KILX 220429
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1129 PM CDT WED MAY 21 2014

ILC019-041-220443-
/O.CAN.KILX.FF.W.0007.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAMPAIGN IL-DOUGLAS IL-
1129 PM CDT WED MAY 21 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
DOUGLAS AND SOUTHEASTERN CHAMPAIGN COUNTIES 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 3981 8793 4002 8793 3998 8753 3971 8753

$$

ILC045-183-220630-
/O.CON.KILX.FF.W.0007.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-EDGAR IL-
1129 PM CDT WED MAY 21 2014

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

AT 1128 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. AROUND
4 INCHES OF RAINFALL HAS OCCURRED OVER THE AREA THIS EVENING.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CHRISMAN...GEORGETOWN...HUME...RIDGE FARM AND SIDELL.

SCOTTLAND ROAD IS CLOSED...JUST EAST OF CHRISMAN. IN ADDITION...ONE
RESIDENT IN CHRISMAN REPORTS THEIR BASEMENT IS FLOODING.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN.

&&

LAT...LON 3981 8793 4002 8793 3998 8753 3971 8753

$$
799 
WGUS73 KILX 220632 RRA
FFSILX

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

ILC045-183-220647-
/O.EXP.KILX.FF.W.0007.000000T0000Z-140522T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-EDGAR IL-
132 AM CDT THU MAY 22 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN EDGAR AND 
SOUTHERN VERMILION COUNTIES 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 3981 8793 4002 8793 3998 8753 3971 8753

$$

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, 7:36 PM CDTSevere Thunderstorm WarningILXChampaign, Edgar, Vermilion54 min
May 21, 7:47 PM CDTSevere Thunderstorm WarningILXChampaign, McLean, Piatt43 min
May 21, 8:16 PM CDTFlash Flood WarningILXChampaign, Vermilion5 hr
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.