Alert archive / Illinois / Flash Flood Warnings in 2011
Flash Flood Warning 34, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 15, 2011, 5:36 AM CDT for Macon County, Moultrie County, Piatt County, Illinois. It was in force for 6 hr. 6 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
- Jun 15, 2011, 5:36 AM CDT (10:36 UTC)
- Expired
- Jun 15, 2011, 11:10 AM CDT
- In force
- 6 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Macon County, IL, Moultrie County, IL, Piatt County, IL
The radar
The Lincoln radar (KILX), 64 km from the middle of the area, began a volume at 10:37 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 |
|---|---|---|---|
| Jun 15, 6:00 AM CDT | HEAVY RAIN 1.95 | Mount Zion, IL | |
| Jun 15, 6:30 AM CDT | HEAVY RAIN 3.1 | Boody, IL | 2 HOUR TOTAL AMOUNT FROM 0430 AM TO 0630 AM. |
| Jun 15, 7:00 AM CDT | HEAVY RAIN 2.26 | Decatur, IL | |
| Jun 15, 7:08 AM CDT | HEAVY RAIN 1.67 | Oakley, IL | RAINFALL TOTAL SINCE 0445 AM. |
| Jun 15, 7:30 AM CDT | HEAVY RAIN 2.08 | Mount Zion, IL | |
| Jun 15, 8:56 AM CDT | HEAVY RAIN 1.71 | Decatur, IL |
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 00:00Z, 10.6 hours before the alert went out and 41 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
- 2 J/kg
- Mixed-layer CIN
- -693 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
782 WGUS53 KILX 151036 FFWILX ILC115-139-147-151630- /O.NEW.KILX.FF.W.0034.110615T1036Z-110615T1630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 536 AM CDT WED JUN 15 2011 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... MACON COUNTY IN CENTRAL ILLINOIS... NORTHERN MOULTRIE COUNTY IN CENTRAL ILLINOIS... SOUTHERN PIATT COUNTY IN CENTRAL ILLINOIS... * UNTIL 1130 AM CDT * AT 532 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. TWO INCHES OF RAIN HAS FALLEN AT THE DECATUR AIRPORT IN THE PAST 1.5 HOURS WITH 1.5 INCHES OF RAIN IN THE PAST HOUR. THE HEAVIEST RAIN HAS BEEN SOUTH OF I-72 INCLUDING THE SOUTH HALF OF DECATUR AND THE MOUNT ZION AREA. THUNDERSTORMS MOVING NORTHEAST WILL PRODUCE AN ADDITIONAL 1 TO 2 INCHES OF RAIN OVER THIS AREA THROUGH 8 AM FROM DECATUR SOUTH. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DECATUR...MONTICELLO...ARGENTA...BEMENT...CERRO GORDO...DALTON CITY...FORSYTH...HAMMOND...HARRISTOWN...LONG CREEK...LOVINGTON... MACON...MOUNT ZION...NIANTIC...OREANA AND WARRENSBURG. 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 3968 8849 3965 8908 3991 8920 4007 8847 $$ HUETTL
1 follow-up statement
318 WGUS73 KILX 151610 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1110 AM CDT WED JUN 15 2011 ILC115-139-147-151625- /O.CAN.KILX.FF.W.0034.000000T0000Z-110615T1630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MACON IL-MOULTRIE IL-PIATT IL- 1110 AM CDT WED JUN 15 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN PIATT... NORTHERN MOULTRIE AND MACON COUNTIES IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 3968 8849 3965 8908 3991 8920 4007 8847 $$ HJS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:38 AM CDT | Special Weather Statement | ILX | Peoria | 52 min |
| Jun 15, 12:47 AM CDT | Special Weather Statement | ILX | Knox | 43 min |
| Jun 15, 1:56 AM CDT | Flash Flood Warning | ILX | Fulton, Knox, Marshall, Mason, Peoria, Stark and 2 more | 6 hr |
| Jun 15, 2:21 AM CDT | Special Weather Statement | ILX | McLean | 39 min |
| Jun 15, 2:58 AM CDT | Flash Flood Warning | ILX | Cass, Fulton, Mason, Schuyler | 4 hr |
| Jun 15, 3:49 AM CDT | Areal Flood Advisory | ILX | McLean, Tazewell, Woodford | 6 hr |
| Jun 15, 4:31 AM CDT | Special Weather Statement | ILX | Champaign | 59 min |
| Jun 15, 5:01 AM CDT | Special Weather Statement | ILX | Christian | 59 min |
| Jun 15, 5:19 AM CDT | Areal Flood Advisory | ILX | Christian, Macon, Moultrie, Piatt, Shelby | 4 hr |
| Jun 15, 6:02 AM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 28 min |
| Jun 15, 1:45 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 30 min |
| Jun 15, 3:45 PM CDT | Tornado Warning | ILX | Clark, Coles, Cumberland | 31 min |
| Jun 15, 3:48 PM CDT | Tornado Warning | ILX | Cumberland | 42 min |
| Jun 15, 4:20 PM CDT | Tornado Warning | ILX | Clark, Crawford, Cumberland, Jasper | 40 min |
| Jun 15, 6:06 PM CDT | River Flood Warning | ILX | Fulton, Knox | 24 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.