Alert archive / Illinois / Flash Flood Warnings in 2013

Flash Flood Warning 39, NWS Lincoln, IL

June 22, 2013Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 22, 2013, 11:38 AM CDT for Champaign County, Vermilion County, Illinois. It was in force for 4 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
Jun 22, 2013, 11:38 AM CDT (16:38 UTC)
Expired
Jun 22, 2013, 3:30 PM CDT
In force
4 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 16:40 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, 4.6 hours before the alert went out and 52 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 12:00Z on 2013-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2564 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 12:00Z on 2013-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
2564 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

221 
WGUS53 KILX 221638
FFWILX
ILC019-183-222030-
/O.NEW.KILX.FF.W.0039.130622T1638Z-130622T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1138 AM CDT SAT JUN 22 2013

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 330 PM CDT

* AT 1137 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
WARNED AREA. RAINFALL RATES OF TWO TO THREE INCHES PER HOUR ARE 
LIKELY.  IN ADDITION...FLASH FLOODING WAS REPORTED IN GIBSON CITY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  RANTOUL...FISHER...GIFFORD...HOOPESTON...LAKE OF THE WOODS...
  MAHOMET...POTOMAC...RANKIN...ROSSVILLE AND THOMASBORO.


LAT...LON 4015 8846 4040 8845 4040 8796 4041 8794
      4049 8793 4049 8752 4017 8753

$$

CHS
2 follow-up statements
951 
WGUS73 KILX 221847
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
147 PM CDT SAT JUN 22 2013

ILC019-183-222030-
/O.CON.KILX.FF.W.0039.000000T0000Z-130622T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-CHAMPAIGN IL-
147 PM CDT SAT JUN 22 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN CHAMPAIGN AND
NORTHERN VERMILION COUNTIES UNTIL 330 PM CDT...

AT 145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD PUSHED SOUTH OF THE 
WARNED AREA. HOWEVER LIGHTER RAIN WAS CONTINUING TO FALL.  RADAR 
ESTIMATES SHOW UP TO 3 INCHES OF RAIN FALL OVER THE WARNED AREA.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
RANTOUL...FISHER...GIFFORD...HOOPESTON...LAKE OF THE WOODS...
MAHOMET...POTOMAC...RANKIN...ROSSVILLE AND THOMASBORO.


LAT...LON 4015 8846 4040 8845 4040 8796 4041 8794
      4049 8793 4049 8752 4017 8753

$$
309 
WGUS73 KILX 222007
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
307 PM CDT SAT JUN 22 2013

ILC019-183-222022-
/O.CAN.KILX.FF.W.0039.000000T0000Z-130622T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION IL-CHAMPAIGN IL-
307 PM CDT SAT JUN 22 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN CHAMPAIGN
AND NORTHERN VERMILION 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 4015 8846 4040 8845 4040 8796 4041 8794
      4049 8793 4049 8752 4017 8753

$$

CHS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 11:19 AM CDTSevere Thunderstorm WarningILXChampaign, Vermilion56 min
Jun 22, 12:45 PM CDTAreal Flood AdvisoryILXChampaign, Piatt4 hr
Jun 22, 2:24 PM CDTAreal Flood AdvisoryILXClark, Coles, Cumberland, Edgar, Moultrie, Shelby4 hr
Jun 22, 3:02 PM CDTSpecial Weather StatementILXMacon43 min
Jun 22, 3:06 PM CDTFlash Flood WarningILXDeWitt, Logan, Macon4 hr
Jun 22, 5:03 PM CDTFlash Flood WarningILXClay, Crawford, Effingham, Jasper, Richland, Shelby6 hr

Nearby

Flash Flood Warnings in Illinois, 2013Every flash flood warning in 2013

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.