Alert archive / Illinois / Flash Flood Warnings in 2017

Flash Flood Warning 25, NWS Lincoln, IL

July 16, 2017Fulton County, Knox County, Peoria County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 16, 2017, 6:17 AM CDT for Fulton County, Knox County, Peoria County, Illinois. It was in force for 6 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
Jul 16, 2017, 6:17 AM CDT (11:17 UTC)
Expired
Jul 16, 2017, 12:15 PM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, IL, Knox County, IL, Peoria County, IL

The radar

The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 11:20 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
Jul 16, 8:30 AM CDTHEAVY RAIN 1.93Nw Elmwood, ILRAINFALL FROM THIS MORNING
Jul 16, 8:35 AM CDTHEAVY RAIN 2.23 Wsw Trivoli, ILRAINFALL FROM THIS MORNING
Jul 16, 8:45 AM CDTHEAVY RAIN 1.42 Se Farmington, ILRAINFALL FROM THIS MORNING
Jul 16, 9:00 AM CDTHEAVY RAIN 1.751 E Farmington, ILRAINFALL FROM THIS MORNING

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 11.3 hours before the alert went out and 120 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, Davenport, at 00:00Z on 2017-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 819 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, Davenport, at 00:00Z on 2017-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
819 J/kg
Mixed-layer CIN
-241 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

626 
WGUS53 KILX 161117
FFWILX
ILC057-095-143-161715-
/O.NEW.KILX.FF.W.0025.170716T1117Z-170716T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
617 AM CDT SUN JUL 16 2017

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Northeastern Fulton County in west central Illinois...
  Southeastern Knox County in west central Illinois...
  Western Peoria County in central Illinois...

* Until 1215 PM CDT

* At 616 AM CDT, Doppler radar indicated thunderstorms 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...
  Canton, Farmington, Elmwood, Hanna City, Glasford, Trivoli,
  Brimfield, Yates City, St. David, Williamsfield, Laura, Elmore,
  Kingston Mines, Dunfermline, Mapleton, Norris, Banner and
  Smithville.

Additional rainfall amounts of and inch or two are possible in 
parts of the warned area.

This includes Interstate 74 between mile markers 66 and 78.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4055 8972 4055 8978 4051 8988 4047 9006
      4097 9003 4097 8986

$$

37
2 follow-up statements
679 
WGUS73 KILX 161247
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
747 AM CDT SUN JUL 16 2017

ILC057-095-143-161715-
/O.CON.KILX.FF.W.0025.000000T0000Z-170716T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton-Knox-Peoria-
747 AM CDT SUN JUL 16 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
NORTHEASTERN FULTON...SOUTHEASTERN KNOX AND WESTERN PEORIA
COUNTIES...

At 747 AM CDT, Doppler radar indicated heavy rain up to three to 
four inches fell from thunderstorms earlier this morning. Flash 
flooding is expected to continue through the morning.

Some locations that will experience flooding include...
Farmington, Elmwood, Trivoli, Brimfield, Yates City, Williamsfield
and Laura.

This includes Interstate 74 between mile markers 67 and 74.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4060 8984 4052 8999 4095 9002 4095 8988

$$

37
466 
WGUS73 KILX 161645
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
1145 AM CDT SUN JUL 16 2017

ILC057-095-143-161654-
/O.CAN.KILX.FF.W.0025.000000T0000Z-170716T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton-Knox-Peoria-
1145 AM CDT SUN JUL 16 2017

...THE FLASH FLOOD WARNING FOR NORTHEASTERN FULTON...SOUTHEASTERN
KNOX AND WESTERN PEORIA COUNTIES IS CANCELLED...

Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 4060 8984 4052 8999 4095 9002 4095 8988

$$

Goetsch

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 3:50 AM CDTSpecial Weather StatementILXKnox25 min
Jul 16, 4:14 AM CDTSpecial Weather StatementILXKnox31 min
Jul 16, 4:46 AM CDTSpecial Weather StatementILXPeoria29 min
Jul 16, 5:15 AM CDTSpecial Weather StatementILXPeoria30 min
Jul 16, 5:54 AM CDTSpecial Weather StatementILXPeoria36 min
Jul 16, 5:57 AM CDTSpecial Weather StatementILXPeoria18 min
Jul 16, 7:09 AM CDTSpecial Weather StatementILXFulton36 min
Jul 16, 3:24 PM CDTSpecial Weather StatementILXFulton, Logan, Mason, Menard3 hr
Jul 16, 4:34 PM CDTSevere Thunderstorm WarningILXFulton, Mason41 min
Jul 16, 5:23 PM CDTSpecial Weather StatementILXSangamon52 min

Nearby

Flash Flood Warnings in Illinois, 2017Every flash flood warning in 2017

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.