Alert archive / Illinois / Flash Flood Warnings in 2015
Flash Flood Warning 68, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Sep 1, 2015, 7:49 PM CDT for Piatt County, Illinois. It was in force for 3 hr. 1 report 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
- Sep 1, 2015, 7:49 PM CDT (00:49 UTC)
- Expired
- Sep 1, 2015, 10:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
County Piatt County, IL
The radar
The Lincoln radar (KILX), 68 km from the middle of the area, began a volume at 00:51 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 |
|---|---|---|---|
| Sep 1, 7:50 PM CDT | HEAVY RAIN 1.5 | De Land, IL | MOST OF THE RAIN FELL IN THE PAST HOUR |
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, 0.8 hours before the alert went out and 10 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
- 1021 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1858 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
278
WGUS53 KILX 020049
FFWILX
ILC147-020345-
/O.NEW.KILX.FF.W.0068.150902T0049Z-150902T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
749 PM CDT TUE SEP 1 2015
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL PIATT COUNTY IN CENTRAL ILLINOIS...
* UNTIL 1045 PM CDT
* AT 748 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MONTICELLO...DE LAND...WHITE HEATH AND LODGE.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.
THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 160 AND 173.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4014 8847 3994 8847 3998 8869 4015 8864
$$
ONTON2 follow-up statements
741 WGUS73 KILX 020244 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 944 PM CDT TUE SEP 1 2015 ILC147-020345- /O.CON.KILX.FF.W.0068.000000T0000Z-150902T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIATT- 944 PM CDT TUE SEP 1 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL PIATT COUNTY... AT 938 PM CDT...RAINFALL FROM EARLIER THUNDERSTORMS HAS ENDED. EARLIER THUNDERSTORMS PRODUCED A RADAR INDICATED AMOUNT UP TO 4 INCHES BETWEEN MONTICELLO...DE LAND...AND LODGE. FLASH FLOODING LIKELY CONTINUES IN THIS AREA. THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 160 AND 173. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 4014 8847 3994 8847 3998 8869 4015 8864 $$ ONTON
978 WGUS73 KILX 020342 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1042 PM CDT TUE SEP 1 2015 ILC147-020349- /O.EXP.KILX.FF.W.0068.000000T0000Z-150902T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIATT- 1042 PM CDT TUE SEP 1 2015 ...THE FLASH FLOOD WARNING FOR CENTRAL PIATT COUNTY WILL EXPIRE AT 1045 PM CDT... FLOOD WATERS ARE RECEDING...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 4014 8847 3994 8847 3998 8869 4015 8864 $$ ONTON
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:09 PM CDT | Special Weather Statement | ILX | Macon | 36 min |
| Sep 1, 7:20 PM CDT | Special Weather Statement | ILX | Piatt | 25 min |
Nearby
Flash Flood Warnings in Illinois, 2015Every flash flood warning in 2015
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.