Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Northern Indiana

August 15, 20166 counties in Indiana; Berrien County, Cass County, Michigan

NWS Northern Indiana issued this flash flood warning at Aug 15, 2016, 9:10 PM EDT for 6 counties in Indiana; Berrien County, Cass County, Michigan. It was in force for 3 hr. 12 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
Aug 15, 2016, 9:10 PM EDT (01:10 UTC)
Expired
Aug 16, 2016, 12:00 AM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Elkhart County, IN, LaPorte County, IN, Marshall County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Berrien County, MI, Cass County, MI

The radar

The Northern Indiana radar (KIWX), 79 km from the middle of the area, began a volume at 01:12 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
Aug 15, 10:15 PM EDTFLOOD2 Sw La Porte, INSOME LOW WATER CROSSINGS FLOODED.
Aug 15, 10:15 PM EDTFLOOD2 Sw La Porte, INSOME LOW WATER CROSSINGS FLOODED. STORM TOTAL RAINFALL OF 3.88 INCHES SINE 7 AM.
Aug 15, 10:41 PM EDTHEAVY RAIN 4.382 Nne Fish Lake, IN.
Aug 15, 10:41 PM EDTHEAVY RAIN 4.382 Nne Fish Lake, IN
Aug 15, 10:48 PM EDTHEAVY RAIN 7.643 Ese Clarks, IN.
Aug 15, 10:48 PM EDTHEAVY RAIN 7.643 Ese Clarks, IN
Aug 15, 10:49 PM EDTHEAVY RAIN 4.513 Wsw Lydick, IN.
Aug 15, 10:49 PM EDTHEAVY RAIN 4.513 Wsw Lydick, IN
Aug 15, 11:11 PM EDTHEAVY RAIN 5.783 E Chain-O-Lakes, INSOUTH BEND AIRPORT EVENT TOTAL RAINFALL SINCE THIS MORNING.
Aug 15, 11:18 PM EDTHEAVY RAIN 5.03Gulivoire Park, INMESONET STATION GULIVOIRE PARK /E6775/.
Aug 16, 12:00 AM EDTHEAVY RAIN 7.881 S Roseland, INCO-OP OBSERVER STATION SOUTH BEND /SBSI3/.
Aug 16, 12:05 AM EDTFLASH FLOOD1 Nw Roseland, INMULTIPLE REPORTS OF ROAD CLOSURES AND STRANDED VEHICLES/VEHICLE RESCUES IN THE SOUTH BEND VICINITY.

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, 1.2 hours before the alert went out and 233 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, Lincoln, IL at 00:00Z on 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 227 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, Lincoln, IL at 00:00Z on 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
227 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

820 
WGUS53 KIWX 160110
FFWIWX
INC039-091-099-131-141-149-MIC021-027-160400-
/O.NEW.KIWX.FF.W.0004.160816T0110Z-160816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
910 PM EDT MON AUG 15 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA...
  STARKE COUNTY IN NORTHWESTERN INDIANA...
  NORTHWESTERN PULASKI COUNTY IN NORTHWESTERN INDIANA...
  LA PORTE COUNTY IN NORTHWESTERN INDIANA...
  NORTHWESTERN MARSHALL COUNTY IN NORTH CENTRAL INDIANA...
  NORTHWESTERN ELKHART COUNTY IN NORTH CENTRAL INDIANA...
  SOUTHEASTERN BERRIEN COUNTY IN SOUTHWESTERN MICHIGAN...
  SOUTHWESTERN CASS COUNTY IN SOUTHWESTERN MICHIGAN...

* UNTIL MIDNIGHT EDT/1100 PM CDT/

* AT 907 PM EDT/807 PM CDT/...DOPPLER RADAR INDICATED SHOWERS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL OF 1 TO 3
  INCHES HAS ALREADY OCCURRED IN THIS AREA THIS AFTERNOON AND THIS
  EVENING. AN ADDITIONAL ONE TO TWO INCHES OF RAIN IS EXPECTED BY
  MIDNIGHT EDT.  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SOUTH BEND...ELKHART...MISHAWAKA...LA PORTE...NILES...WESTVILLE...
  BUCHANAN...KNOX...GEORGETOWN...SIMONTON LAKE...GULIVOIRE PARK...
  GRANGER...OSCEOLA...WALKERTON...NORTH LIBERTY...NEW CARLISLE...
  BERRIEN SPRINGS...NORTH JUDSON...THREE OAKS AND KINGSFORD HEIGHTS.

LAT...LON 4162 8693 4203 8624 4175 8592 4095 8693

$$

NWS
1 follow-up statement
918 
WGUS73 KIWX 160234
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1034 PM EDT MON AUG 15 2016

INC039-091-099-131-141-149-MIC021-027-160400-
/O.CON.KIWX.FF.W.0004.000000T0000Z-160816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. JOSEPH IN-STARKE IN-PULASKI IN-LA PORTE IN-MARSHALL IN-
ELKHART IN-BERRIEN MI-CASS MI-
1034 PM EDT MON AUG 15 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT/1100
PM CDT/ FOR ST. JOSEPH...STARKE...NORTHWESTERN PULASKI...LA PORTE...
NORTHWESTERN MARSHALL...NORTHWESTERN ELKHART...SOUTHEASTERN BERRIEN
AND SOUTHWESTERN CASS COUNTIES...

AT 1025 PM EDT/925 PM CDT/...AN AREA OF HEAVY RAIN WAS OCCURRING
MEDARYVILLE TO SOUTH BEND... MOVING NORTHEAST AT 25 MPH. RAINFALL
OVER 4 INCHES HAS BEEN REPORTED THIS AFTERNOON AND THIS EVENING.
FLASH FLOODING HAS ALSO BEEN REPORTED WITH WATER FLOWING OVER LOW
SPOTS ON ROADWAYS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SOUTH BEND...ELKHART...MISHAWAKA...LA PORTE...NILES...WESTVILLE...
BUCHANAN...KNOX...GEORGETOWN...SIMONTON LAKE...GULIVOIRE PARK...
GRANGER...OSCEOLA...WALKERTON...NORTH LIBERTY...NEW CARLISLE...
BERRIEN SPRINGS...NORTH JUDSON...THREE OAKS AND KINGSFORD HEIGHTS.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES OF RAIN IS
POSSIBLE IN THE WARNED AREA BY MIDNIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4162 8693 4203 8624 4175 8592 4095 8693

$$

NWS

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 15, 8:07 PM EDTSpecial Weather StatementIWXGrant23 min
Aug 15, 8:23 PM EDTTornado WarningIWXGrant, Huntington, Miami, Wabash37 min
Aug 15, 9:06 PM EDTTornado WarningIWXAllen, Huntington, Wabash, Whitley24 min
Aug 15, 9:33 PM EDTSpecial Weather StatementIWXWhitley27 min
Aug 15, 10:04 PM EDTSpecial Weather StatementIWXNoble26 min
Aug 15, 11:08 PM EDTAreal Flood WarningIWXElkhart15 hr
Aug 15, 11:51 PM EDTFlash Flood WarningIWXElkhart, LaPorte, Marshall, Pulaski, Saint Joseph, Starke4 hr
Aug 16, 12:44 AM EDTAreal Flood WarningIWXLaPorte, Saint Joseph, Starke9 hr
Aug 16, 4:00 AM EDTRiver Flood WarningIWXElkhart, Saint Joseph36 hr
Aug 16, 4:00 AM EDTRiver Flood WarningIWXElkhart, Saint Joseph63 hr
Aug 16, 4:10 AM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke17 days
Aug 16, 4:11 AM EDTAreal Flood WarningIWXElkhart, LaPorte, Marshall, Pulaski, Saint Joseph, Starke12 hr
Aug 16, 4:15 PM EDTAreal Flood WarningIWXElkhart, Marshall, Saint Joseph24 hr

Nearby

Flash Flood Warnings in Indiana, 2016Flash Flood Warnings in Michigan, 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.