Alert archive / Illinois / Flash Flood Warnings in 2007
Flash Flood Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Mar 28, 2007, 6:36 PM CDT for Macon County, Illinois. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 28, 2007, 6:36 PM CDT (23:36 UTC)
- Expired
- Mar 28, 2007, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Macon County, IL
The radar
The Lincoln radar (KILX), 45 km from the middle of the area, began a volume at 23:38 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 |
|---|---|---|---|
| Mar 28, 7:50 PM CDT | FLASH FLOOD | 2 E Maroa, IL | EXTENSIVE FLOODING IN FIELDS. WATER OVER WASHINGTON STREET TO THE EAST OF MAROA. FLOOD WATERS ALMOST OVER HIGHWAY 51 JUST SOUTH OF MAROA...AND WATER STILL RISING. |
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, 11.6 hours before the alert went out and 45 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
- 5 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KILX 282337 FFWILX ILC115-290230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 636 PM CDT WED MAR 28 2007 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS... * UNTIL 930 PM CDT. * AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FROM A THUNDERSTORM OVER THE WARNED AREA. DOPPLER RADAR HAS ESTIMATED AROUND 4 INCHES OF RAIN SINCE 400 PM. THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS THESE AREAS. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 5 TO 6 INCHES BY 730 PM. THESE RAINFALL AMOUNTS WILL LIKELY PRODUCE FLASH FLOODING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ARGENTA AND MAROA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. REPORT FLASH FLOODING TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 3996 8897 3995 8876 4005 8876 4006 8898 $$ CHURCHILL
2 follow-up statements
000 WGUS73 KILX 290050 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 748 PM CDT WED MAR 28 2007 ILC115-290230- MACON- 748 PM CDT WED MAR 28 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR NORTHEASTERN MACON COUNTY... AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA. LATEST RADAR DATA SHOWS THAT OVER 6 INCHES OF RAIN HAS FALLEN JUST EAST OF MAROA. THE STORM HAS WEAKENED SOMEWHAT...BUT ANOTHER INCH OF RAIN WILL BE POSSIBLE THROUGH 9 PM. LOCATIONS IN THE WARNING INCLUDE... MAROA BE ESPECIALLY CAUTIOUS AT NIGHT...WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 3996 8897 3995 8876 4005 8876 4006 8898 $$ CHURCHILL
000 WGUS73 KILX 290230 FFSILX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 928 PM CDT WED MAR 28 2007 ILC115-290238- MACON- 928 PM CDT WED MAR 28 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 930 PM CDT FOR NORTHEASTERN MACON COUNTY... THE HEAVY RAIN THAT WAS OCCURRING EARLIER HAS DISSIPATED. MACON COUNTY EMERGENCY MANAGEMENT REPORTS THAT FLOOD WATERS ARE RECEDING AND ROADS ARE NOW OPEN. THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE ON TIME AT 930 PM. LAT...LON 3996 8897 3995 8876 4005 8876 4006 8898 $$ CHURCHILL
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 3:19 PM CDT | Tornado Warning | ILX | DeWitt, Logan, McLean | 26 min |
Nearby
Flash Flood Warnings in Illinois, 2007Every flash flood warning in 2007
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.