Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 5, NWS Quad Cities, IA

June 14, 2016Jo Daviess County, Illinois; Jackson County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Jun 14, 2016, 8:24 PM CDT for Jo Daviess County, Illinois; Jackson County, Iowa. It was in force for 6 hr. 2 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 14, 2016, 8:24 PM CDT (01:24 UTC)
Expired
Jun 15, 2016, 2:30 AM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, IA, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 78 km from the middle of the area, began a volume at 01:26 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, 9:36 PM CDTFLASH FLOOD5 E Springbrook, IASEVERAL CREEKS OUT OF THEIR BANKS.
Jun 14, 9:36 PM CDTFLASH FLOODGalena, ILFLASH FLOODING OCCURRING IN TOWN.

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, 1.4 hours before the alert went out and 76 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 2016-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2459 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 2016-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.193958Sfc1 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
2459 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
2.3
Supercell composite
11.2

Open this sounding in Storm Lab

The text

As transmitted.

161 
WGUS53 KDVN 150124
FFWDVN
ILC085-IAC097-150730-
/O.NEW.KDVN.FF.W.0005.160615T0124Z-160615T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JO DAVIESS COUNTY IN NORTHWESTERN ILLINOIS...
  JACKSON COUNTY IN EAST CENTRAL IOWA...

* UNTIL 230 AM CDT WEDNESDAY

* AT 823 PM 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...
  MAQUOKETA...GALENA...BELLEVUE...STOCKTON...EAST DUBUQUE...WARREN...
  HANOVER...ELIZABETH...WOODBINE...ANDREW...SCALES MOUND...
  APPLE RIVER...LA MOTTE...MENOMINEE...MONMOUTH...SPRINGBROOK...
  COUNCIL HILL...ST. DONATUS...NORA AND ZWINGLE.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 4250 8993 4229 8992 4220 9014 4219 9031
      4218 9029 4215 9029 4209 9043 4203 9090
      4229 9090 4230 9067 4238 9066 4238 9048
      4247 9065 4251 9064

$$

GIBBS
2 follow-up statements
707 
WGUS73 KDVN 150320
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1020 PM CDT TUE JUN 14 2016

ILC085-IAC097-150730-
/O.CON.KDVN.FF.W.0005.000000T0000Z-160615T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JO DAVIESS IL-JACKSON IA-
1020 PM CDT TUE JUN 14 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
WEDNESDAY FOR JO DAVIESS AND JACKSON COUNTIES...

AT 1017 PM CDT...LOCAL LAW ENFORCEMENT REPORTS LOCALIZED FLASH
FLOODING CONTINUES ACROSS THE AREA.  REPORTS OF OVER 4 INCHES OF
RAIN HAVE FALLEN. FLASH FLOODING IS ALREADY OCCURRING WITH SEVERAL
CREEKS OUT OF THEIR BANKS AND SOME STREET FLOODING IN GALENA
ILLINOIS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MAQUOKETA...GALENA...HURSTVILLE...FULTON...BELLEVUE...EAST DUBUQUE...
STOCKTON...WARREN...COUNCIL HILL...HANOVER...MASSBACH...WOODBINE...
SCHAPVILLE...ELIZABETH...ANDREW...SCALES MOUND...APPLE RIVER...
LA MOTTE...MENOMINEE...SPRINGBROOK...MONMOUTH...CANTON...
ST. DONATUS...NASHVILLE...NORA...ZWINGLE...GREEN ISLAND...BUCKHORN...
GALENA TERRITORY AND AIKEN.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 4250 8993 4229 8992 4220 9014 4219 9031
      4218 9029 4215 9029 4209 9043 4203 9090
      4229 9090 4230 9067 4238 9066 4238 9048
      4247 9065 4251 9064

$$

NICHOLS
933 
WGUS73 KDVN 150727
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
227 AM CDT WED JUN 15 2016

IAC097-ILC085-150736-
/O.EXP.KDVN.FF.W.0005.000000T0000Z-160615T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JO DAVIESS IL-JACKSON IA-
227 AM CDT WED JUN 15 2016

...THE FLASH FLOOD WARNING FOR JO DAVIESS AND JACKSON COUNTIES WILL
EXPIRE AT 230 AM CDT...

FLOOD WATERS WERE REPORTED TO BE RECEDING. THE RAIN HAS MOVED OUT OF
THE AREA AND FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT.
PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4250 8993 4229 8992 4220 9014 4219 9031
      4218 9029 4215 9029 4209 9043 4203 9090
      4229 9090 4230 9067 4238 9066 4238 9048
      4247 9065 4251 9064

$$

12

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:47 PM CDTSevere Thunderstorm WarningDVNCarroll, Stephenson58 min
Jun 14, 11:20 PM CDTSpecial Weather StatementDVNStephenson40 min
Jun 14, 11:54 PM CDTFlash Flood WarningDVNStephenson4 hr
Jun 15, 1:43 AM CDTFlash Flood WarningDVNBureau4 hr
Jun 14, 7:28 PM CDTSpecial Weather StatementDVNDubuque92 min
Jun 14, 7:58 PM CDTSevere Thunderstorm WarningDVNBuchanan, Delaware62 min
Jun 14, 8:16 PM CDTFlash Flood WarningDVNDubuque6 hr
Jun 14, 8:38 PM CDTSpecial Weather StatementDVNBuchanan82 min
Jun 14, 9:09 PM CDTSpecial Weather StatementDVNCedar, Muscatine, Washington66 min

Nearby

Flash Flood Warnings in Illinois, 2016Flash Flood Warnings in Iowa, 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.