Alert archive / Illinois / Flash Flood Warnings in 2017

Flash Flood Warning 21, NWS Lincoln, IL

June 17, 2017Peoria County, Tazewell County, Woodford County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 17, 2017, 8:40 PM CDT for Peoria County, Tazewell County, Woodford County, Illinois. It was in force for 3 hr. 9 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: Jun 17, 2017, 8:40 PM CDT (01:40 UTC)
Expired: Jun 17, 2017, 11:45 PM CDT
In force: 3 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties Peoria County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 71 km from the middle of the area, began a volume at 01:44 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 17, 8:45 PM CDT	HEAVY RAIN 1.25	Eureka, IL	RAIN FELL IN 15 MINUTES. NUMEROUS STREET FLOODING.
Jun 17, 8:45 PM CDT	HEAVY RAIN 2.05	Eureka, IL
Jun 17, 8:55 PM CDT	FLASH FLOOD	Peoria, IL	NORTHWEST PORTION OF PEORIA CITY...VARIOUS LOCATIONS.
Jun 17, 9:45 PM CDT	FLASH FLOOD	Chillicothe, IL	BENEDICT STREET AND TRUITT AVE...PONDED WATER BETWEEN 6 AND 10 INCHES DEEP
Jun 17, 9:46 PM CDT	FLASH FLOOD	Peoria, IL	AREA OF KNOXVILLE ROAD AND PIONEER PARKWAY. REPORTED 4 TO 5 FEET OF WATER IN PARKING LOT.
Jun 17, 10:00 PM CDT	HEAVY RAIN 3.24	Germantown Hills, IL	RAIN FELL IN ONE AND ONE HALF HOURS.
Jun 17, 10:30 PM CDT	HEAVY RAIN 3.9	Peoria, IL	NEAR WILLOW KNOLLS AND WAR MEMORIAL DRIVE.
Jun 17, 10:38 PM CDT	HEAVY RAIN 1.74	Peoria, IL
Jun 17, 11:08 PM CDT	HEAVY RAIN 4.02	Eureka, IL	RAIN FALL TOTAL SINCE 835 PM.

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, 1.7 hours before the alert went out and 91 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 606 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1403 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted.

295 
WGUS53 KILX 180140
FFWILX
ILC143-179-203-180445-
/O.NEW.KILX.FF.W.0021.170618T0140Z-170618T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
840 PM CDT SAT JUN 17 2017

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Woodford County in central Illinois...
  Northeastern Tazewell County in central Illinois...
  Peoria County in central Illinois...

* Until 1145 PM CDT

* At 840 PM CDT, emergency management reported thunderstorms
  producing heavy rain across the warned area. Flash flooding is
  expected to begin shortly.

* Some locations that will experience flooding include...
  Peoria, Eureka, East Peoria, Morton, Washington, Bartonville,
  Chillicothe, Creve Coeur, West Peoria, Metamora, Germantown Hills,
  Marquette Heights, El Paso, Elmwood, Minonk, Roanoke, Bellevue,
  Princeville, Rome and Dunlap.

This includes the following highways...
 Interstate 39 between mile markers 10 and 28.
 Interstate 474 between mile markers 0 and 14.
 Interstate 74 between mile markers 69 and 100, and between mile
markers 108 and 109, and near mile marker 112.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4097 8945 4095 8945 4092 8947 4092 8893
      4075 8893 4075 8899 4067 8898 4066 8904
      4063 8904 4063 8910 4062 8910 4063 8999
      4097 8998

$$

Barnes

1 follow-up statement

753 
WGUS73 KILX 180258
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
958 PM CDT SAT JUN 17 2017

ILC143-179-203-180445-
/O.CON.KILX.FF.W.0021.000000T0000Z-170618T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Woodford-Tazewell-Peoria-
958 PM CDT SAT JUN 17 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
WOODFORD...NORTHEASTERN TAZEWELL AND PEORIA COUNTIES...

At 957 PM CDT, emergency management reported flash flooding in the 
area of Knoxville Road and Pioneer Parkway in the city of Peoria. In 
addition...many county roads have water flowing across them in 
Woodford County. 

Some locations that will experience flooding include... Peoria, 
Eureka, East Peoria, Morton, Washington, Bartonville, Chillicothe, 
Creve Coeur, West Peoria, Metamora, Germantown Hills, Marquette 
Heights, El Paso, Elmwood, Minonk, Roanoke, Bellevue, Princeville, 
Rome and Dunlap.

This includes the following highways...
 Interstate 39 between mile markers 10 and 28.
 Interstate 474 between mile markers 0 and 14.
 Interstate 74 between mile markers 69 and 100, and between mile
markers 108 and 109, and near mile marker 112.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4097 8945 4095 8945 4092 8947 4092 8893
      4075 8893 4075 8899 4067 8898 4066 8904
      4063 8904 4063 8910 4062 8910 4063 8999
      4097 8998

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:37 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Stark	53 min
Jun 17, 8:02 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Tazewell, Woodford	43 min
Jun 17, 8:03 PM CDT	Flash Flood Warning	ILX	Stark	3 hr
Jun 17, 8:11 PM CDT	Flash Flood Warning	ILX	Marshall	3 hr
Jun 17, 8:54 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	51 min
Jun 17, 9:10 PM CDT	Flash Flood Warning	ILX	McLean	3 hr
Jun 17, 9:24 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Schuyler	56 min
Jun 17, 10:06 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan	39 min
Jun 17, 10:09 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	52 min
Jun 17, 10:41 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Morgan, Sangamon	64 min
Jun 17, 11:37 PM CDT	Areal Flood Warning	ILX	Peoria, Tazewell, Woodford	12 hr
Jun 17, 11:47 PM CDT	Flash Flood Warning	ILX	Christian, Sangamon	3 hr
Jun 17, 11:55 PM CDT	Areal Flood Warning	ILX	McLean	12 hr
Jun 18, 2:41 AM CDT	Special Weather Statement	ILX	Clay, Effingham	34 min
Jun 18, 3:03 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper, Richland	42 min
Jun 18, 3:30 AM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Lawrence, Richland	45 min

Nearby

Flash Flood Warnings in Illinois, 2017 Every 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.