Alert archive / Illinois / Flash Flood Warnings in 2008

Flash Flood Warning 4, NWS Lincoln, IL

February 5, 200810 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Feb 5, 2008, 11:03 PM CST for 10 counties in 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 5, 2008, 11:03 PM CST (05:03 UTC)
Expired
Feb 6, 2008, 2:00 AM CST
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Coles County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 110 km from the middle of the area, began a volume at 05:07 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, 5.1 hours before the alert went out and 66 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 2008-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2008-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 474 square meters per square second.1939587897Sfc1 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
449 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
474 m²/s²
0-3 km storm-relative helicity
387 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.

000 
WGUS53 KILX 060504
FFWILX
ILC019-029-035-041-045-049-139-147-173-183-060800-
/O.NEW.KILX.FF.W.0004.080206T0503Z-080206T0800Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1103 PM CST TUE FEB 5 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLES COUNTY IN EAST CENTRAL ILLINOIS...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  SHELBY COUNTY IN CENTRAL ILLINOIS...
  MOULTRIE COUNTY IN CENTRAL ILLINOIS...
  DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS...
  EASTERN PIATT COUNTY IN CENTRAL ILLINOIS...
  CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 200 AM CST.

* AT 1102 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THAT HEAVY RAINFALL HAS DECREASED ACROSS THE WARNING AREA.
  HOWEVER...RUNOFF FROM THE PREVIOUS HEAVY RAIN WILL CONTINUE TO
  POSE A FLASH FLOOD THREAT OVERNIGHT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHAMPAIGN...
CHARLESTON...DANVILLE...EFFINGHAM...MATTOON...MONTICELLO...PARIS...
RANTOUL...SHELBYVILLE...SULLIVAN...TOLEDO AND TUSCOLA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

REPORT FLASH FLOODING TO YOUR LOCAL EMERGENCY MANAGER...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3950 8801 3919 8802 3917 8837 3892 8837
      3892 8882 3922 8881 3923 8901 3969 8874
      4041 8845 4041 8795 4046 8795 4050 8755
      3950 8754
TIME...MOT...LOC 0503Z 180DEG 0KT 3981 8903

$$

CHURCHILL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 6:21 PM CSTSevere Thunderstorm WarningILXClay24 min
Feb 5, 6:32 PM CSTSevere Thunderstorm WarningILXCumberland, Effingham, Jasper, Shelby28 min
Feb 5, 6:35 PM CSTSevere Thunderstorm WarningILXClark, Clay, Crawford, Cumberland, Edgar, Effingham and 3 more40 min
Feb 5, 6:43 PM CSTTornado WarningILXClay, Jasper, Richland32 min
Feb 5, 6:53 PM CSTTornado WarningILXClay, Crawford, Jasper, Lawrence, Richland37 min
Feb 5, 6:59 PM CSTTornado WarningILXClark, Crawford, Cumberland, Jasper37 min
Feb 5, 7:02 PM CSTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Douglas, Edgar43 min
Feb 5, 7:30 PM CSTTornado WarningILXCrawford, Lawrence30 min
Feb 5, 7:45 PM CSTFlash Flood WarningILXClark, Clay, Crawford, Jasper, Lawrence, Richland6 hr
Feb 5, 8:43 PM CSTRiver Flood WarningILXCass, Mason, Menard7 days
Feb 5, 8:43 PM CSTRiver Flood WarningILXCass, Mason9 days
Feb 5, 8:45 PM CSTRiver Flood WarningILXMason, Menard66 hr
Feb 6, 3:05 AM CSTRiver Flood WarningILXFulton, Mason88 days
Feb 6, 3:05 AM CSTRiver Flood WarningILXBrown, Cass, Morgan, Schuyler93 days
Feb 6, 9:41 AM CSTRiver Flood WarningILXMcLean, Tazewell, Woodford55 hr

Nearby

Flash Flood Warnings in Illinois, 2008Every flash flood warning in 2008

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.