Alert archive / Illinois / Flash Flood Warnings in 2017

Flash Flood Warning 6, NWS Lincoln, IL

April 29, 20175 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Apr 29, 2017, 6:10 PM CDT for 5 counties in Illinois. It was in force for 6 hr. 14 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: Apr 29, 2017, 6:10 PM CDT (23:10 UTC)
Expired: Apr 30, 2017, 12:15 AM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties Fulton County, IL, Mason County, IL, Peoria County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 68 km from the middle of the area, began a volume at 23:10 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
Apr 29, 6:30 PM CDT	HEAVY RAIN 2.5	Morton, IL	RAINFALL THE PAST 7.5 HOURS...STILL RAINING
Apr 29, 6:50 PM CDT	FLASH FLOOD	Peoria, IL	MUDSLIDE ON HIGHWAY 29 NORTH OF MCCLUGAGE BRIDGE...HIGHWAY 29 CLOSED FOR A MILE STRETCH NORTH OF THE BRIDGE
Apr 29, 7:00 PM CDT	HEAVY RAIN 2.77	Peoria International Ai, IL	24-HOUR RAINFALL...2.53 INCHES THE PAST 6 HOURS.
Apr 29, 7:05 PM CDT	FLOOD	Roanoke, IL	FLOODING REPORTED ACROSS WOODFORD COUNTY OVER THE PAST HOUR...PANTHER CREEK NEAR ROANOKE IS GETTING HIGH.
Apr 29, 7:30 PM CDT	HEAVY RAIN 2.28	2 Ene Pekin, IL	RAINFALL THE PAST 6 HOURS....STILL RAINING....SWOP REPORT
Apr 29, 7:30 PM CDT	HEAVY RAIN 2.9	5 Nw Peoria, IL	RAINFALL SINCE 8 AM...SO FAR
Apr 29, 8:15 PM CDT	FLOOD	Roanoke, IL	FLOODING ALL ROADWAYS THROUGHOUT COUNTY, INCLUDING ROUTE 89 AT 2100 NORTH....AND ROUTE 116 AT 1200 NORTH.
Apr 29, 8:22 PM CDT	FLASH FLOOD	1 Sw Washburn, IL	WATER OVER ROAD AT RTE 89 AND 2100 NORTH WITH DEBRIS
Apr 29, 8:30 PM CDT	HEAVY RAIN 2.9	Peoria, IL	RAINFALL FROM TODAY
Apr 29, 8:45 PM CDT	HEAVY RAIN 2.5	Washington, IL
Apr 29, 8:55 PM CDT	FLASH FLOOD	Canton, IL	ROUTE 9 WEST OF CANTON IS CLOSED DUE TO HIGH WATER...ALSO SEVERAL COUNTY ROADS CLOSED DUE TO HIGH WATER.
Apr 29, 10:15 PM CDT	HEAVY RAIN 3.15	2 Nnw West Peoria, IL	DAILY TOTAL....SO FAR
Apr 29, 11:26 PM CDT	FLASH FLOOD	Roanoke, IL	RT 26 FROM LOURDES RD TO BANTA RD HAS WATER OVER THE ROAD. 1900 EAST IS CLOSED AT HWY 4 AND SOUTH AROUND 1/2MILE.
Apr 29, 11:26 PM CDT	HEAVY RAIN 3	Roanoke, IL

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, 11.2 hours before the alert went out and 105 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 568 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

976 
WGUS53 KILX 292310
FFWILX
ILC057-125-143-179-203-300515-
/O.NEW.KILX.FF.W.0006.170429T2310Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
610 PM CDT SAT APR 29 2017

The National Weather Service in Lincoln has issued a

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

* Until 1215 AM CDT Sunday

* At 610 PM CDT, emergency management reported thunderstorms
  producing heavy rain across the warned area. Up to two inches of
  rain have already fallen. Flash flooding is expected to begin
  shortly.

* Some locations that will experience flooding include...
  Peoria, Pekin, Canton, Eureka, Lewistown, East Peoria, Morton,
  Washington, Bartonville, Chillicothe, Creve Coeur, West Peoria,
  Metamora, Germantown Hills, Marquette Heights, El Paso, Farmington,
  Tremont, Minonk and Roanoke.

This includes the following highways...
 Interstate 155 between mile markers 12 and 31.
 Interstate 39 between mile markers 15 and 28.
 Interstate 474 between mile markers 0 and 14.
 Interstate 74 between mile markers 76 and 117.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4097 8946 4093 8946 4092 8947 4092 8893
      4062 8910 4059 8927 4033 8927 4031 9045
      4055 9044 4071 8999 4097 8967

$$

25

2 follow-up statements

822 
WGUS73 KILX 300029
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
729 PM CDT SAT APR 29 2017

ILC057-125-143-179-203-300515-
/O.CON.KILX.FF.W.0006.000000T0000Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Woodford-Fulton-Tazewell-Mason-Peoria-
729 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
WOODFORD...FULTON...TAZEWELL...NORTHEASTERN MASON AND PEORIA
COUNTIES...

At 715 PM CDT, emergency management reported flash flooding along 
Route 9 in Fulton County, and near Panther Creek in Woodford County. 
Periods of light to moderate rain tonight will cause continued flash 
flooding issues.

This includes the following highways...
 Interstate 155 between mile markers 12 and 31.
 Interstate 39 between mile markers 15 and 28.
 Interstate 474 between mile markers 0 and 14.
 Interstate 74 between mile markers 76 and 117.

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.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4097 8946 4093 8946 4092 8947 4092 8893
      4062 8910 4059 8927 4033 8927 4031 9045
      4055 9044 4071 8999 4097 8967

$$

25

915 
WGUS73 KILX 300203
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
903 PM CDT SAT APR 29 2017

ILC057-125-143-179-203-300515-
/O.CON.KILX.FF.W.0006.000000T0000Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Woodford-Fulton-Tazewell-Mason-Peoria-
903 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
WOODFORD...FULTON...TAZEWELL...NORTHEASTERN MASON AND PEORIA
COUNTIES...

At 855 PM CDT, local law enforcement reported flash flooding in 
Fulton County.  Several roads in the county were closed due to high 
water, including portions of Route 9.  Runoff will lead to a 
continued flash flood threat. 

This includes the following highways...
 Interstate 155 between mile markers 12 and 31.
 Interstate 39 between mile markers 15 and 28.
 Interstate 474 between mile markers 0 and 14.
 Interstate 74 between mile markers 76 and 117.

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.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4097 8946 4093 8946 4092 8947 4092 8893
      4062 8910 4059 8927 4033 8927 4031 9045
      4055 9044 4071 8999 4097 8967

$$

25

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 6:19 AM CDT	Flash Flood Warning	ILX	Clark, Coles, Cumberland, Edgar	6 hr
Apr 29, 7:56 AM CDT	Flash Flood Warning	ILX	Crawford, Jasper	6 hr
Apr 29, 4:40 PM CDT	Flash Flood Warning	ILX	Morgan, Scott	6 hr
Apr 29, 4:46 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	44 min
Apr 29, 4:50 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Sangamon	40 min
Apr 29, 5:16 PM CDT	Flash Flood Warning	ILX	Christian, Sangamon	6 hr
Apr 29, 5:26 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	49 min
Apr 29, 5:34 PM CDT	Flash Flood Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler	6 hr
Apr 29, 5:50 PM CDT	Tornado Warning	ILX	Macon, Moultrie, Shelby	25 min
Apr 29, 6:14 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Clark, Clay, Coles, Cumberland, DeWitt and 11 more	46 min
Apr 29, 6:22 PM CDT	Flash Flood Warning	ILX	Coles, Cumberland, Effingham, Jasper, Macon, Moultrie and 1 more	6 hr
Apr 29, 6:43 PM CDT	Flash Flood Warning	ILX	Champaign, Douglas, Edgar, Piatt, Vermilion	6 hr
Apr 29, 6:50 PM CDT	Flash Flood Warning	ILX	Clark, Crawford	6 hr
Apr 29, 6:56 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, Douglas, Edgar, Vermilion	49 min
Apr 29, 6:57 PM CDT	Flash Flood Warning	ILX	Clay, Lawrence, Richland	3 hr

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.