Alert archive / Illinois / Flash Flood Warnings in 2011
Flash Flood Warning 48, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 21, 2011, 7:50 PM CDT for Woodford County, Illinois. It was in force for 5 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
- Jun 21, 2011, 7:50 PM CDT (00:50 UTC)
- Expired
- Jun 22, 2011, 1:07 AM CDT
- In force
- 5 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
County Woodford County, IL
The radar
The Lincoln radar (KILX), 79 km from the middle of the area, began a volume at 00:50 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 21, 7:59 PM CDT | FLASH FLOOD | Minonk, IL | RURAL ROADS AROUND THE TOWN OF MINONK ARE FLOODED |
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 84 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
- 3122 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 15.3
The text
As transmitted, in the capitals the NWS used until 2016.
610 WGUS53 KILX 220050 FFWILX ILC203-220700- /O.NEW.KILX.FF.W.0048.110622T0050Z-110622T0700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 750 PM CDT TUE JUN 21 2011 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN WOODFORD COUNTY IN CENTRAL ILLINOIS... * UNTIL 200 AM CDT WEDNESDAY * AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED UP TO 2 INCHES OF RAIN IN THE PAST HOUR. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...EL PASO...MINONK AND SECOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 4093 8893 4069 8900 4065 8929 4093 8910 $$ BAK
1 follow-up statement
868 WGUS73 KILX 220607 RRA FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 107 AM CDT WED JUN 22 2011 ILC203-220622- /O.CAN.KILX.FF.W.0048.000000T0000Z-110622T0700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WOODFORD IL- 107 AM CDT WED JUN 22 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EASTERN WOODFORD COUNTY IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. HOWEVER...LOCAL LAW ENFORCEMENT PERSONNEL REPORTED THAT NUMEROUS ROADS ARE STILL FLOODED ACROSS THE COUNTY. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN A FLOOD ADVISORY FOR THE WHOLE COUNTY...UNTIL 9 AM CDT. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4093 8893 4069 8900 4065 8929 4093 8910 $$ AUTEN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:06 PM CDT | Flash Flood Warning | ILX | Tazewell, Woodford | 6 hr |
| Jun 21, 7:09 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 50 min |
| Jun 22, 1:04 AM CDT | Areal Flood Advisory | ILX | Woodford | 10 min |
| Jun 22, 1:13 AM CDT | Areal Flood Warning | ILX | Woodford | 6 hr |
| Jun 22, 6:53 AM CDT | Areal Flood Warning | ILX | Woodford | 6 hr |
| Jun 22, 11:01 AM CDT | River Flood Warning | ILX | Marshall, Putnam | 44 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.