Alert archive / Illinois / Flash Flood Warnings in 2011
Flash Flood Warning 17, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Apr 27, 2011, 5:35 PM CDT for 5 counties in Illinois. It was in force for 5 hr. 3 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
- Apr 27, 2011, 5:35 PM CDT (22:35 UTC)
- Expired
- Apr 27, 2011, 10:34 PM CDT
- In force
- 5 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, IL, Crawford County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 62 km from the middle of the area, began a volume at 22:34 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 9:25 PM CDT | FLOOD | 2 S Bridgeport, IL | NUMEROUS COUNTY ROADS CLOSED DUE TO WATER OVER ROADWAYS. |
| Apr 27, 9:25 PM CDT | FLOOD | 2 S Sumner, IL | NUMEROUS COUNTY ROADS CLOSED DUE TO WATER FLOWING ACROSS ROADWAYS. |
| Apr 27, 9:25 PM CDT | FLOOD | Lawrenceville, IL | A FEW ROADS IN THE CITY OF LAWRENCEVILLE WITH WATER FLOWING ACROSS...NONE CLOSED AT THIS TIME. |
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 12:00Z, 10.6 hours before the alert went out and 162 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
687
WGUS53 KILX 272235
FFWILX
ILC025-033-079-101-159-280430-
/O.NEW.KILX.FF.W.0017.110427T2235Z-110428T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
535 PM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
JASPER COUNTY IN SOUTHEAST ILLINOIS...
LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
* UNTIL 1130 PM CDT
* AT 533 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO THE WARNED
AREA. ONE TO 1.5 INCHES OF RAINFALL CAN BE EXPECTED OVER THE NEXT
COUPLE OF HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FLORA...LAWRENCEVILLE...NEWTON...OLNEY...ROBINSON...ANNAPOLIS...
BIBLE GROVE...BIRDS...BOGOTA...BRIDGEPORT...CALHOUN...CHAUNCEY...
CLAREMONT...CLAY CITY...DUNDAS...EATON...FLAT ROCK...HARDINVILLE...
HIDALGO...HUTSONVILLE...INGAHAM...IOLA...LOUISVILLE...NEW HEBRON...
NOBLE...OBLONG...PALESTINE...PARKERSBURG...RUSSELLVILLE AND SAILOR
SPRINGS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF ONE TO 1.5 INCHES ARE POSSIBLE IN THE
WARNED AREA.
&&
LAT...LON 3859 8816 3860 8871 3883 8870 3891 8843
3891 8836 3902 8836 3917 8831 3916 8766
3877 8749 3867 8755 3867 8759 3864 8761
3859 8761 3857 8764 3856 8815
$$
AUTEN1 follow-up statement
806
WGUS73 KILX 280334
FFSILX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1034 PM CDT WED APR 27 2011
ILC025-033-079-101-159-280349-
/O.CAN.KILX.FF.W.0017.000000T0000Z-110428T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IL-LAWRENCE IL-RICHLAND IL-CLAY IL-CRAWFORD IL-
1034 PM CDT WED APR 27 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CRAWFORD...CLAY...
RICHLAND...LAWRENCE AND JASPER COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. IF
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW
ENFORCEMENT AGENCY.
LAT...LON 3859 8816 3860 8871 3883 8870 3891 8843
3891 8836 3902 8836 3917 8831 3916 8766
3877 8749 3867 8755 3867 8759 3864 8761
3859 8761 3857 8764 3856 8815
$$
AUTENThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:41 AM CDT | Flash Flood Warning | ILX | Clark | 6 hr |
Nearby
Flash Flood Warnings in Illinois, 2011Every flash flood warning in 2011
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.