Alert archive / Illinois / Flash Flood Warnings in 2008

Flash Flood Warning 2, NWS Lincoln, IL

February 5, 200817 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Feb 5, 2008, 4:59 PM CST for 17 counties in Illinois. It was in force for 6 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, 4:59 PM CST (22:59 UTC)
Expired
Feb 5, 2008, 11:00 PM CST
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Champaign County, IL, Christian County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Logan County, IL, Macon County, IL, McLean County, IL, Menard County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 74 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 48 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 2008-02-05Temperature 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 12:00Z on 2008-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
860 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
54 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 052304
FFWILX
ILC019-021-029-035-039-041-045-049-107-113-115-129-139-147-167-173-
183-060500-
/O.NEW.KILX.FF.W.0002.080205T2259Z-080206T0500Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
459 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...
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS...
  DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS...
  SANGAMON COUNTY IN CENTRAL ILLINOIS...
  MACON COUNTY IN CENTRAL ILLINOIS...
  MENARD COUNTY IN CENTRAL ILLINOIS...
  DE WITT COUNTY IN CENTRAL ILLINOIS...
  PIATT COUNTY IN CENTRAL ILLINOIS...
  LOGAN COUNTY IN CENTRAL ILLINOIS...
  CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS...
  MCLEAN COUNTY IN CENTRAL ILLINOIS...

* UNTIL 1100 PM CST.

* AT 456 PM CST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH   
FLOODING FROM HEAVY RAIN AND SNOW MELT OVER PARTS OF EFFINGHAM AND 
MACON COUNTIES. ALSO GETTING REPORTS OF SOME FLOODING IN LE ROY IN 
SOUTHEAST MCLEAN COUNTY. AROUND 1 INCH OF RAIN HAS FALLEN IN THE PAST 
24 HOURS ALONG WITH SNOW MELT HAS CAUSED SOME FLOODING. FLOODING 
WILL BECOME MORE WIDESPREAD GOING INTO THIS EVENING AS WIDESPREAD 
SHOWERS WITH MODERATE TO HEAVY RAIN AFFECT CENTRAL ILLINOIS. 
SCATTERED THUNDERSTORMS WILL ALSO OCCUR AND PRODUCE LOCALLY HEAVY 
RAINS OF 1 TO 1.5 INCHES IN 1 TO 2 HOURS. THE HEAVIEST RAINS THROUGH 
7 PM WILL OCCUR FROM SPRINGFIELD AND TAYLORVILLE NORTHEAST THROUGH 
DECATUR TO BLOOMINGTON AND CHAMPAIGN.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BLOOMINGTON...
CHAMPAIGN...CHARLESTON...CLINTON...DANVILLE...DECATUR...EFFINGHAM...
LINCOLN...MATTOON...MONTICELLO...PARIS AND RANTOUL.

SNOW MELT AND 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.

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 3922 8914 3937 8914
      3937 8953 3954 8954 3955 8992 4009 9000
      4015 8960 4052 8899 4060 8848 4041 8845
      4041 8795 4046 8795 4050 8755 3950 8754
TIME...MOT...LOC 2259Z 180DEG 0KT 3981 8903

$$

HUETTL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 4, 7:31 PM CSTSevere Thunderstorm WarningILXMcLean24 min
Feb 4, 9:12 PM CSTSevere Thunderstorm WarningILXLogan, Macon, Sangamon33 min
Feb 4, 10:25 PM CSTFlash Flood WarningILXSangamon3 hr
Feb 5, 3:32 AM CSTWinter Weather AdvisoryILXCass, Fulton, Knox, Marshall, Mason, Peoria and 4 more38 hr
Feb 5, 7:04 AM CSTRiver Flood WarningILXPiatt6 days
Feb 5, 10:23 AM CSTRiver Flood WarningILXClay, Richland8 days
Feb 5, 10:45 AM CSTRiver Flood WarningILXVermilion4 days
Feb 5, 10:52 AM CSTRiver Flood WarningILXLawrence12 days
Feb 5, 1:18 PM CSTRiver Flood WarningILXCrawford, Jasper4 days
Feb 5, 5:24 PM CSTSevere Thunderstorm WarningILXDeWitt, Macon, Piatt36 min

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.