Alert archive / Illinois / Flash Flood Warnings in 2012
Flash Flood Warning 7, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Sep 1, 2012, 4:24 PM CDT for Effingham County, 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
- Sep 1, 2012, 4:24 PM CDT (21:24 UTC)
- Expired
- Sep 1, 2012, 10:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
County Effingham County, IL
The radar
The Evansville,IN radar (KVWX), 124 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 124 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
- 443 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
366
WGUS53 KILX 012124
FFWILX
ILC049-020330-
/O.NEW.KILX.FF.W.0007.120901T2124Z-120902T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
424 PM CDT SAT SEP 1 2012
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 1030 PM CDT
* AT 423 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED AN AREA OF
VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES HOURLY
RAINFALL RATES OF 1.50 TO 2 INCHES.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ALTAMONT...BEECHER CITY AND SHUMWAY.
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED 3 TO 4 INCHES OF WATER
RUNNING ACROSS MANY ROADS IN ALTAMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3891 8881 3906 8882 3922 8881 3922 8852
3891 8870
$$
BARNES1 follow-up statement
713
WGUS73 KILX 020323
FFSILX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1023 PM CDT SAT SEP 1 2012
ILC049-020338-
/O.EXP.KILX.FF.W.0007.000000T0000Z-120902T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EFFINGHAM IL-
1023 PM CDT SAT SEP 1 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN EFFINGHAM
COUNTY WILL BE ALLOWED TO EXPIRE AT 1030 PM CDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. WATER
OVER CITY STREETS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING
TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3891 8881 3906 8882 3922 8881 3922 8852
3891 8870
$$
SHIMONThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 11:48 AM CDT | Tornado Warning | ILX | Marshall, Woodford | 42 min |
| Sep 1, 12:01 PM CDT | Tornado Warning | ILX | Marshall, Peoria, Woodford | 44 min |
| Sep 1, 12:07 PM CDT | Tornado Warning | ILX | Logan, Tazewell | 22 min |
| Sep 1, 12:26 PM CDT | Tornado Warning | ILX | Marshall | 49 min |
| Sep 1, 12:43 PM CDT | Tornado Warning | ILX | Marshall, Stark | 47 min |
| Sep 1, 2:41 PM CDT | Tornado Warning | ILX | Christian, Logan, Sangamon | 49 min |
| Sep 1, 2:50 PM CDT | Tornado Warning | ILX | Mason, Menard, Sangamon | 40 min |
Nearby
Flash Flood Warnings in Illinois, 2012Every flash flood warning in 2012
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.