Alert archive / Indiana / Flash Flood Warnings in 2015

Flash Flood Warning 48, NWS Indianapolis, IN

September 4, 2015Carroll County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Sep 4, 2015, 4:36 PM EDT for Carroll County, Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 4, 2015, 4:36 PM EDT (20:36 UTC)
Expired
Sep 4, 2015, 7:30 PM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

County Carroll County, IN

The radar

The Indianapolis radar (KIND), 106 km from the middle of the area, began a volume at 20:36 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.6 hours before the alert went out and 176 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 12:00Z on 2015-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 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 12:00Z on 2015-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
825 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1542 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

819 
WGUS53 KIND 042036
FFWIND
INC015-042330-
/O.NEW.KIND.FF.W.0048.150904T2036Z-150904T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
436 PM EDT FRI SEP 4 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CARROLL COUNTY IN NORTH CENTRAL INDIANA...

* UNTIL 730 PM EDT
    
* AT 435 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO 4 INCHES OF RAIN HAS 
  FALLEN OVER PARTS OF THE WARNED AREA. FLASH FLOODING IS EXPECTED 
  TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DELPHI...CAMDEN AND YEOMAN. 

ADDITIONAL RAINFALL AMOUNTS OF AN INCH IS POSSIBLE IN THE WARNED 
AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...ROCK CREEK...
SQUAW BRANCH...MITCHELL CREEK...TANNERY BRANCH...DEER CREEK...WABASH
RIVER...PAINT CREEK...TIPPECANOE RIVER...ROBINSON BRANCH...BRIDGE
CREEK...PLEASANT RUN AND RATTLESNAKE CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD 
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4064 8652 4055 8657 4059 8675 4072 8672

$$

KOCH
2 follow-up statements
064 
WGUS73 KIND 042129
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
529 PM EDT FRI SEP 4 2015

INC015-042330-
/O.CON.KIND.FF.W.0048.000000T0000Z-150904T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL IN-
529 PM EDT FRI SEP 4 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
NORTHWESTERN CARROLL COUNTY...

AT 525 PM EDT...DOPPLER RADAR ESTIMATED OVER 4 INCHES OF RAIN HAS 
FALLEN ACROSS MUCH OF THE WARNED AREA IN THE LAST 3 HOURS.  
 
THE HEAVY RAIN HAS ENDED BUT FLASH FLOODING IS EXPECTED TO CONTINUE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DELPHI...CAMDEN AND YEOMAN. 

ADDITIONAL RAINFALL AMOUNTS OF LESS THAN A TENTH OF INCH IS EXPECTED 
IN THE WARNED AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...ROCK CREEK...
SQUAW BRANCH...MITCHELL CREEK...TANNERY BRANCH...DEER CREEK...WABASH
RIVER...PAINT CREEK...TIPPECANOE RIVER...ROBINSON BRANCH...BRIDGE
CREEK...PLEASANT RUN AND RATTLESNAKE CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4064 8652 4055 8657 4059 8675 4072 8672

$$

KOCH
631 
WGUS73 KIND 042320
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
720 PM EDT FRI SEP 4 2015

INC015-042330-
/O.EXP.KIND.FF.W.0048.000000T0000Z-150904T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL IN-
720 PM EDT FRI SEP 4 2015

...THE FLASH FLOOD WARNING FOR NORTHWESTERN CARROLL COUNTY WILL
EXPIRE AT 730 PM EDT...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 4064 8652 4055 8657 4059 8675 4072 8672

$$

KOCH

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 4, 3:25 PM EDTSevere Thunderstorm WarningINDCarroll50 min
Sep 4, 4:01 PM EDTAreal Flood AdvisoryINDCarroll3 hr
Sep 4, 4:46 PM EDTSevere Thunderstorm WarningINDCarroll, Tippecanoe29 min
Sep 4, 5:14 PM EDTAreal Flood AdvisoryINDHancock3 hr
Sep 4, 5:35 PM EDTSpecial Weather StatementINDHancock40 min
Sep 4, 5:42 PM EDTSpecial Weather StatementINDDelaware48 min
Sep 4, 7:39 PM EDTSevere Thunderstorm WarningINDMontgomery, Putnam36 min

Nearby

Flash Flood Warnings in Indiana, 2015Every flash flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.