Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 3, NWS Quad Cities, IA

June 14, 2016Bureau County, Henry County, Whiteside County, Illinois

NWS Quad Cities, IA issued this flash flood warning at Jun 14, 2016, 4:32 PM CDT for Bureau County, Henry County, Whiteside County, Illinois. It was in force for 6 hr. 1 report 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 14, 2016, 4:32 PM CDT (21:32 UTC)
Expired
Jun 14, 2016, 10:30 PM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

Counties Bureau County, IL, Henry County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 66 km from the middle of the area, began a volume at 21:35 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
Jun 14, 5:32 PM CDTFLASH FLOODTampico, ILA ROAD 1 MILE WEST OF TAMPICO WAS CLOSED DUE TO FLOODING. WATER IS NOW BEGINNING TO SUBSIDE. PUBLIC ALSO REPORTED THE CITY PARK FLOODED AND WATER COVERING ROADS THROUGHOUT TOWN AT LEAST SEVERAL INCHES DEEP. THE WASTEWATER TREATMENT PLANT MEASURED 5 INCHES OF R

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 12:00Z, 9.5 hours before the alert went out and 60 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 12:00Z on 2016-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 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 12:00Z on 2016-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
569 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

934 
WGUS53 KDVN 142132
FFWDVN
ILC011-073-195-150330-
/O.NEW.KDVN.FF.W.0003.160614T2132Z-160615T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
432 PM CDT TUE JUN 14 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN HENRY COUNTY IN NORTHWESTERN ILLINOIS... 
  NORTHWESTERN BUREAU COUNTY IN NORTH CENTRAL ILLINOIS...
  SOUTHEASTERN WHITESIDE COUNTY IN NORTHWESTERN ILLINOIS...

* UNTIL 1030 PM CDT

* AT 431 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 4146 8972 4146 9002 4161 9009 4165 8990
      4180 8983 4188 8963 4159 8963 4158 8950

$$

GIBBS
2 follow-up statements
604 
WGUS73 KDVN 150017
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
717 PM CDT TUE JUN 14 2016

ILC011-073-195-150330-
/O.CON.KDVN.FF.W.0003.000000T0000Z-160615T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IL-BUREAU IL-WHITESIDE IL-
717 PM CDT TUE JUN 14 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHEASTERN HENRY...NORTHWESTERN BUREAU AND SOUTHEASTERN WHITESIDE
COUNTIES...

AT 709 PM CDT...EMERGENCY MANAGEMENT REPORTED THAT THE FLASH
FLOODING WAS BEGINNING TO EASE IN THE TAMPICO AREA BUT IS STILL
AFFECTING SOME ROADS. 

THE HEAVIEST RAIN HAS MOVED OUT OF THE AREA. HOWEVER...
ADDITIONAL HEAVY RAIN WILL BE POSSIBLE LATER THIS EVENING. 

IF YOU ENCOUNTER WATER COVERING A ROADWAY...TURN AROUND DONT DROWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 4146 8972 4146 9002 4161 9009 4165 8990
      4180 8983 4188 8963 4159 8963 4158 8950

$$

DMD
288 
WGUS73 KDVN 150142
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
842 PM CDT TUE JUN 14 2016

ILC011-073-195-150151-
/O.CAN.KDVN.FF.W.0003.000000T0000Z-160615T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IL-BUREAU IL-WHITESIDE IL-
842 PM CDT TUE JUN 14 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN HENRY...NORTHWESTERN
BUREAU AND SOUTHEASTERN WHITESIDE 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 4146 8972 4146 9002 4161 9009 4165 8990
      4180 8983 4188 8963 4159 8963 4158 8950

$$

GIBBS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 3:40 PM CDTSpecial Weather StatementDVNCarroll, Whiteside65 min
Jun 14, 3:55 PM CDTSpecial Weather StatementDVNBureau, Putnam50 min
Jun 14, 5:40 PM CDTSpecial Weather StatementDVNHenry50 min
Jun 14, 6:12 PM CDTTornado WarningDVNHenry48 min

Nearby

Flash Flood Warnings in Illinois, 2016Every flash flood warning in 2016

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.