Alert archive / Illinois / Flash Flood Warnings in 2016
Flash Flood Warning 18, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 12, 2016, 4:34 PM CDT for 5 counties in Illinois. It was in force for 3 hr. 8 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
- Aug 12, 2016, 4:34 PM CDT (21:34 UTC)
- Expired
- Aug 12, 2016, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Logan County, IL, Mason County, IL, McLean County, IL, Tazewell County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 21:37 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 |
|---|---|---|---|
| Aug 12, 5:30 PM CDT | HEAVY RAIN 3.25 | 1 N Mackinaw, IL | |
| Aug 12, 5:45 PM CDT | FLASH FLOOD | 2 N Emden, IL | WATER OVER PARTS OF 155 NEAR MILE MARKER 12. CAR IN DITCH DUE TO THE WATER. |
| Aug 12, 5:45 PM CDT | FLASH FLOOD | Delavan, IL | WATEWR ON ROAD NEAR INTERSECTION OF 122 AND OLD SPRINGFIELD ROAD. |
| Aug 12, 5:45 PM CDT | FLASH FLOOD | Hopedale, IL | WATER OVER PARTS OF OLD HIGHWAY 121 |
| Aug 12, 7:00 PM CDT | HEAVY RAIN 2.31 | Congerville, IL | RIVER GAUGE SITE |
| Aug 12, 7:00 PM CDT | HEAVY RAIN 2.31 | Congerville, IL | RIVER GAUGE SITE. |
| Aug 12, 7:23 PM CDT | FLASH FLOOD | 1 E San Jose, IL | FLOODED ROADWAY AT HIGHWAY 136 AND 100TH AVE. REPORTED BY COUNTY SHERIFF. |
| Aug 12, 7:28 PM CDT | FLASH FLOOD | Hopedale, IL | FLOODED COUNTY ROADS. BARACADES HAVE BEEN PUT OUT. FROM COUNTY SHERIFF. |
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, 9.6 hours before the alert went out and 72 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
- 1247 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
277 WGUS53 KILX 122134 FFWILX ILC107-113-125-179-203-130030- /O.NEW.KILX.FF.W.0018.160812T2134Z-160813T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 434 PM CDT FRI AUG 12 2016 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN LOGAN COUNTY IN CENTRAL ILLINOIS... EASTERN MASON COUNTY IN CENTRAL ILLINOIS... SOUTHEASTERN WOODFORD COUNTY IN CENTRAL ILLINOIS... NORTHWESTERN MCLEAN COUNTY IN CENTRAL ILLINOIS... SOUTHEASTERN TAZEWELL COUNTY IN CENTRAL ILLINOIS... * UNTIL 730 PM CDT * AT 431 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RADAR INDICATED THAT APPROXIMATELY 3 INCHES OF RAIN HAS FALLEN IN AN HOUR BETWEEN DELAVAN AND MINIER, AND AROUND 2 INCHES HAS FALLEN AS FAR SOUTHWEST AS MASON CITY AND AS FAR NORTHEAST AS NEAR CONGERVILLE. WITH STORMS CONTINUING TO MOVE OVER THE SAME AREAS, AN ADDITIONAL 1 TO 3 INCHES OF RAIN IS POSSIBLE. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... EUREKA...MASON CITY...MORTON...EL PASO...TREMONT...MACKINAW... HUDSON...DELAVAN...MINIER...DANVERS...HOPEDALE...GOODFIELD... GREEN VALLEY...DEER CREEK...SAN JOSE...CARLOCK...SECOR...EASTON... DILLON AND CONGERVILLE. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 155 BETWEEN MILE MARKERS 12 AND 28. INTERSTATE 39 BETWEEN MILE MARKERS 5 AND 22. INTERSTATE 74 BETWEEN MILE MARKERS 106 AND 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 4063 8894 4013 8978 4032 8988 4092 8893 $$ GEELHART
1 follow-up statement
097 WGUS73 KILX 122303 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 603 PM CDT FRI AUG 12 2016 ILC107-113-125-179-203-130030- /O.CON.KILX.FF.W.0018.000000T0000Z-160813T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LOGAN-MASON-WOODFORD-MCLEAN-TAZEWELL- 603 PM CDT FRI AUG 12 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTHWESTERN LOGAN...EASTERN MASON...SOUTHEASTERN WOODFORD... NORTHWESTERN MCLEAN AND SOUTHEASTERN TAZEWELL COUNTIES... AT 559 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATED IN EXCESS OF 5 INCHES OF RAIN HAS FALLEN FROM NEAR SAN JOSE NORTHEAST TO NEAR HOPEDALE. A VOLUNTEER WEATHER OBSERVER REPORTED 3.25 INCHES OF RAIN NEAR MACKINAW....CAUSING FLOODING OF LOCAL ROADS. THE SHERIFFS DEPARTMENTS IN LOGAN AND TAZEWELL COUNTIES ALSO REPORTED THAT WATER WAS COVERING PARTS OF INTERSTATE 155 NEAR THE COUNTY LINE, AS WELL AS PARTS OF OLD HIGHWAY 121 NEAR HOPEDALE AND THE INTERSECTION OF HIGHWAY 122 AND SPRINGFIELD ROAD NEAR DELAVAN. THE HEAVIER RAIN WILL MOVE NORTHEAST INTO SOUTHERN WOODFORD COUNTY THROUGH 7 PM. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... EUREKA...MASON CITY...MORTON...EL PASO...TREMONT...MACKINAW... HUDSON...DELAVAN...MINIER...DANVERS...HOPEDALE...GOODFIELD... GREEN VALLEY...DEER CREEK...SAN JOSE...CARLOCK...SECOR...EASTON... DILLON AND CONGERVILLE. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 155 BETWEEN MILE MARKERS 12 AND 28. INTERSTATE 39 BETWEEN MILE MARKERS 5 AND 22. INTERSTATE 74 BETWEEN MILE MARKERS 106 AND 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 4063 8894 4013 8978 4032 8988 4092 8893 $$ GEELHART
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:47 PM CDT | Special Weather Statement | ILX | Menard | 58 min |
| Aug 12, 5:16 PM CDT | Areal Flood Advisory | ILX | Marshall, Tazewell, Woodford | 119 min |
| Aug 12, 5:38 PM CDT | Special Weather Statement | ILX | Logan, Sangamon | 67 min |
| Aug 12, 5:58 PM CDT | Flash Flood Warning | ILX | Logan, Mason, Menard, Tazewell | 3 hr |
| Aug 12, 6:12 PM CDT | Areal Flood Advisory | ILX | Peoria, Tazewell | 2 hr |
| Aug 12, 6:37 PM CDT | Areal Flood Advisory | ILX | Logan, Menard, Morgan, Sangamon | 3 hr |
| Aug 12, 6:58 PM CDT | Flash Flood Warning | ILX | Menard, Sangamon | 3 hr |
Nearby
Flash Flood Warnings in Illinois, 2016Every flash flood warning in 2016
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.