Alert archive / Illinois / Flash Flood Warnings in 2016
Flash Flood Warning 21, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 12, 2016, 7:31 PM CDT for Logan County, Mason County, Tazewell County, Illinois. It was in force for 3 hr. 2 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, 7:31 PM CDT (00:31 UTC)
- Expired
- Aug 12, 2016, 10:30 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, Tazewell County, IL
The radar
The Lincoln radar (KILX), 35 km from the middle of the area, began a volume at 00:31 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, 10:00 PM CDT | HEAVY RAIN 6.08 | San Jose, IL | . |
| Aug 12, 10:00 PM CDT | HEAVY RAIN 8 | Delavan, IL | . |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 155 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
- 85 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
498 WGUS53 KILX 130031 FFWILX ILC107-125-179-130330- /O.NEW.KILX.FF.W.0021.160813T0031Z-160813T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 731 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 TAZEWELL COUNTY IN CENTRAL ILLINOIS... * UNTIL 1030 PM CDT * AT 729 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH FLOODING CONTINUES IN RESPONSE TO RECENT HEAVY RAIN. FLOODING WAS REPORTED 1 MILE SOUTH OF SAN JOSE IN NORTHWEST LOGAN COUNTY...AND FLOODING CONTINUES NEAR HOPEDALE. RADAR HAS ESTIMATED THAT TOTALS OF 4 TO 7 INCHES HAVE OCCURRED IN THIS GENERAL AREA. WHILE THE RAIN HAS TAPERED OFF SOMEWHAT...ADDITIONAL HEAVY RAIN IS EXPECTED TO TRACK EAST ACROSS MASON COUNTY TO PROLONG THE FLOODING. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... MASON CITY...MORTON...TREMONT...MACKINAW...DELAVAN...HOPEDALE... GREEN VALLEY...SAN JOSE...EMDEN AND DILLON. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 155 BETWEEN MILE MARKERS 11 AND 28. INTERSTATE 74 NEAR MILE MARKER 106. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 4063 8939 4039 8933 4013 8978 4032 8987 $$ GEELHART
1 follow-up statement
780 WGUS73 KILX 130324 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1024 PM CDT FRI AUG 12 2016 ILC107-125-179-130334- /O.EXP.KILX.FF.W.0021.000000T0000Z-160813T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LOGAN-MASON-TAZEWELL- 1024 PM CDT FRI AUG 12 2016 ...THE FLASH FLOOD WARNING FOR NORTHWESTERN LOGAN...EASTERN MASON AND SOUTHEASTERN TAZEWELL COUNTIES WILL EXPIRE AT 1030 PM CDT... FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 4063 8939 4039 8933 4013 8978 4032 8987 $$ SHIMON
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:37 PM CDT | Special Weather Statement | ILX | Christian | 53 min |
| Aug 12, 8:26 PM CDT | Areal Flood Advisory | ILX | Christian, Sangamon | 3 hr |
| Aug 12, 9:59 PM CDT | Areal Flood Warning | ILX | Sangamon | 6 hr |
| Aug 13, 3:20 AM CDT | Flash Flood Watch | ILX | Champaign, Christian, Clark, Clay, Coles, Crawford and 13 more | 3 days |
| Aug 13, 12:36 PM CDT | Flash Flood Warning | ILX | Clay | 4 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.