Alert archive / Illinois / Flash Flood Warnings in 2015

Flash Flood Warning 65, NWS Lincoln, IL

September 1, 20154 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Sep 1, 2015, 7:43 AM CDT for 4 counties in Illinois. It was in force for 3 hr. 4 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
Sep 1, 2015, 7:43 AM CDT (12:43 UTC)
Expired
Sep 1, 2015, 10:45 AM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Clark County, IL, Crawford County, IL, Cumberland County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 107 km from the middle of the area, began a volume at 12:47 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.

What was reported inside it

TimeReportWhereRemark
Sep 1, 8:00 AM CDTHEAVY RAIN 2.676 Nne Newton, IL24-HOUR TOTAL
Sep 1, 8:33 AM CDTFLASH FLOOD2 S Yale, ILHIGH WATER OVER ILLINOIS ROUTE 49 BETWEEN HUNT CITY AND YALE
Sep 1, 9:10 AM CDTHEAVY RAIN 52 Nw Martinsville, IL
Sep 1, 10:33 AM CDTFLASH FLOODE Casey, ILONE ROAD FLOODED EAST OF CASEY

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, 0.7 hours before the alert went out and 121 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 2015-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1380 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 2015-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
1380 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1171 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

297 
WGUS53 KILX 011243
FFWILX
ILC023-033-035-079-011545-
/O.NEW.KILX.FF.W.0065.150901T1243Z-150901T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
743 AM CDT TUE SEP 1 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHEASTERN JASPER COUNTY IN SOUTHEASTERN ILLINOIS...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  EASTERN CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 1045 AM CDT
    
* AT 742 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MARSHALL...CASEY...GREENUP...OBLONG...MARTINSVILLE...WILLOW HILL...
  HIDALGO...HAZEL DELL...ANNAPOLIS...HUNT CITY...ORANGE...YALE...ROSE
  HILL...LINCOLN TRAIL STATE PARK AND BELLAIR.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 119 AND 154.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3895 8796 3914 8826 3939 8801 3944 8753
      3941 8753

$$

BAK
2 follow-up statements
599 
WGUS73 KILX 011252
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
752 AM CDT TUE SEP 1 2015

ILC023-033-035-079-011545-
/O.CON.KILX.FF.W.0065.000000T0000Z-150901T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-JASPER-CLARK-CUMBERLAND-
752 AM CDT TUE SEP 1 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
NORTHWESTERN CRAWFORD...NORTHEASTERN JASPER...CLARK AND EASTERN
CUMBERLAND COUNTIES...

AT 750 AM CDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS 
PRODUCING HEAVY RAIN IN CASEY, WHERE 3.65 INCHES OF RAIN HAS FALLEN 
IN THE PAST 2 HOURS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MARSHALL...CASEY...GREENUP...OBLONG...MARTINSVILLE...WILLOW HILL...
HIDALGO...HAZEL DELL...ANNAPOLIS...HUNT CITY...ORANGE...YALE...ROSE
HILL...LINCOLN TRAIL STATE PARK AND BELLAIR.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 119 AND 154.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3895 8796 3914 8826 3939 8801 3944 8753
      3941 8753

$$

BAK
502 
WGUS73 KILX 011421
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
921 AM CDT TUE SEP 1 2015

ILC023-033-035-079-011545-
/O.CON.KILX.FF.W.0065.000000T0000Z-150901T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-JASPER-CLARK-CUMBERLAND-
921 AM CDT TUE SEP 1 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
NORTHWESTERN CRAWFORD...NORTHEASTERN JASPER...CLARK AND EASTERN
CUMBERLAND COUNTIES...

AT 918 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS THE WARNED AREA...MAINLY ACROSS CLARK 
COUNTY...ALTHOUGH THEY HAVE BEEN WEAKENING RECENTLY. RADAR ESTIMATES 
THAT 4 TO 6 INCHES OF RAIN HAS OCCURRED OVER NORTHEAST JASPER AND 
WESTERN CLARK COUNTIES. A REPORT OF 5 INCHES OF RAIN WAS RECENTLY 
RECEIVED JUST NORTHWEST OF MARTINSVILLE...IN WESTERN CLARK COUNTY. 
AREAS OF FLOODING ARE LIKELY TO CONTINUE. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MARSHALL...CASEY...GREENUP...OBLONG...MARTINSVILLE...WILLOW HILL...
HIDALGO...HAZEL DELL...ANNAPOLIS...HUNT CITY...ORANGE...YALE...ROSE
HILL...LINCOLN TRAIL STATE PARK AND BELLAIR.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 119 AND 154.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3895 8796 3914 8826 3939 8801 3944 8753
      3941 8753

$$
GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:33 AM CDTAreal Flood AdvisoryILXChampaign, Douglas, Edgar, Vermilion3 hr
Sep 1, 8:40 AM CDTFlash Flood WarningILXClark, Edgar3 hr
Sep 1, 9:34 AM CDTFlash Flood WarningILXVermilion3 hr
Sep 1, 10:43 AM CDTAreal Flood WarningILXClark, Crawford, Cumberland, Jasper3 hr

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.