Alert archive / Illinois / Flash Flood Warnings in 2007

Flash Flood Warning 8, NWS Lincoln, IL

July 17, 20074 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 17, 2007, 11:45 AM CDT for 4 counties in Illinois. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 17, 2007, 11:45 AM CDT (16:45 UTC)
Expired
Jul 17, 2007, 3:45 PM CDT
In force
4 hr
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Coles County, IL, Cumberland County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 107 km from the middle of the area, began a volume at 16:47 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.8 hours before the alert went out and 78 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2007-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2007-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
262 J/kg
Mixed-layer CIN
-235 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KILX 171647
FFWILX
ILC029-035-139-173-172045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1145 AM CDT TUE JUL 17 2007

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN COLES COUNTY IN EAST CENTRAL ILLINOIS...
  CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  EASTERN SHELBY COUNTY IN CENTRAL ILLINOIS...
  SOUTHERN MOULTRIE COUNTY IN CENTRAL ILLINOIS...

* UNTIL 345 PM CDT.

* AT 1145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED FLASH FLOODING FROM A LINE OF THUNDERSTORM OVER THE 
  WARNED AREA AND MOVING SOUTHEAST TO ALONG I-70. DOPPLER RADAR 
  HAS ESTIMATED 1 TO 2 INCHES OF RAIN IN THE PAST HOUR FROM EAST 
  OF SHELBYVILLE TO MATTOON.

THIS FLASH FLOOD WARNING REPLACES THE FLASH FLOOD WARNING THAT 
WAS ISSUED FOR THIS AREA EARLIER THIS MORNING.

THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS THESE
AREAS. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 1 TO 2 INCHES THROUGH
130 PM. THESE RAINFALL AMOUNTS WILL LIKELY PRODUCE ADDITIONAL FLASH 
FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHARLESTON...
MATTOON...SHELBYVILLE...TOLEDO...ALLENVILLE...FINDLAY...GREENUP...
HAZEL DELL...JANESVILLE...JEWETT...LERNA AND NEOGA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

REPORT FLASH FLOODING TO YOUR LOCAL EMERGENCY MANAGER...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3927 8881 3919 8844 3918 8801 3938 8801
      3953 8803 3959 8889

$$

KH
2 follow-up statements
000 
WGUS73 KILX 171915
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
212 PM CDT TUE JUL 17 2007

ILC029-035-139-173-172045-
COLES-CUMBERLAND-MOULTRIE-SHELBY-
212 PM CDT TUE JUL 17 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHERN MOULTRIE...EASTERN SHELBY...CUMBERLAND AND SOUTHERN COLES
COUNTIES...

AT 210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE
SHOWERS AND THUNDERSTORMS HAVE PASS SOUHTEAST OF THE WARNED AREA.
HOWEVER...RUNOFF FROM THE 3 TO 6 INCHES OF RAIN THAT FELL IN PARTS
OF THE WARNED AREA FROM WINDSOR TO MATTOON AND NEOGA...WILL CAUSE
FLOODING INTO MID AFTERNOON.

LOCATIONS IN THE WARNING INCLUDE... WINDSOR...SHELBYVILLE...
MATTOON...LERNA...JANESVILLE...FINDLAY...CHARLESTON AND ALLENVILLE

THIS INCLUDES INTERSTATE 57 BETWEEN MILE MARKERS 169 AND 194.
THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 108 AND 126.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3927 8881 3919 8844 3918 8801 3938 8801
      3953 8803 3959 8889

$$

KH
000 
WGUS73 KILX 172043
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
343 PM CDT TUE JUL 17 2007

ILC029-035-139-173-172052-
COLES-CUMBERLAND-MOULTRIE-SHELBY-
343 PM CDT TUE JUL 17 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM CDT FOR SOUTHERN
MOULTRIE...EASTERN SHELBY...CUMBERLAND AND SOUTHERN COLES COUNTIES...

RUNOFF FROM THE 3 TO 6 INCHES OF RAIN THAT FELL EARLIER TODAY
FROM WINDSOR TO MATTOON COULD STILL CAUSE MINOR FLOODING IN LOW
LOWING AREAS LATE THIS AFTERNOON. BUT FLOODING ON MAIN ROADWAYS HAS
SUBSIDED.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3927 8881 3919 8844 3918 8801 3938 8801
      3953 8803 3959 8889

$$

KH

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 17, 7:40 AM CDTFlash Flood WarningILXColes, Cumberland, Moultrie, Shelby6 hr
Jul 17, 10:00 AM CDTSevere Thunderstorm WarningILXChampaign45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.