Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 14, NWS Indianapolis, IN

August 26, 20166 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 26, 2016, 6:12 PM EDT for 6 counties in Indiana. It was in force for 3 hr. 16 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 26, 2016, 6:12 PM EDT (22:12 UTC)
Expired
Aug 26, 2016, 9:15 PM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Johnson County, IN, Marion County, IN, Morgan County, IN

The radar

The Indianapolis radar (KIND), 16 km from the middle of the area, began a volume at 22:12 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 26, 6:37 PM EDTFLASH FLOODIndianapolis, INRATHSKELLER GERMAN RESTAURANT FLOODED WITH WHAT APPEARS TO BE A COUPLE INCHES OF WATER.
Aug 26, 7:03 PM EDTFLASH FLOODFishers, INSTREET FLOODING
Aug 26, 7:05 PM EDTFLASH FLOOD4 Nw Indianapolis, INCARS STRANDED ON RAMP
Aug 26, 7:10 PM EDTFLASH FLOODBroad Ripple, INSIDE STREETS SOUTH OF BROAD RIPPLE AVENUE HAVE UP TO 2 FEET OF FLOOD WATER
Aug 26, 7:10 PM EDTFLASH FLOODCastleton, INCASTLETON MALL PARKING LOT FLOODED
Aug 26, 7:10 PM EDTFLASH FLOODIndianapolis, INCARS TRAPPED IN FLOOD WATER ON MARTIN LUTHER KING RAMP
Aug 26, 7:15 PM EDTFLASH FLOODIndianapolis, INDUGOUT FLOODED AT VICTORY FIELD BASEBALL STADIUM
Aug 26, 7:15 PM EDTHEAVY RAIN 1.82Indianapolis Int'L Airp, INSTORM TOTAL FROM THIS EARLY EVENINGS EVENT
Aug 26, 7:27 PM EDTFLASH FLOOD8 Ne Indianapolis, ININTERSECTION OF ALLISONVILLE ROAD AND 65TH STREET FLOODED WITH WHAT APPEARS TO BE AT LEAST SEVERAL INCHES OF WATER. TIME IS OF SOCIAL MEDIA POST.
Aug 26, 7:33 PM EDTHEAVY RAIN 3.151 S Castleton, INAMOUNT FROM THIS EVENINGS STORM. FLOODING OBSERVED.
Aug 26, 7:39 PM EDTFLASH FLOOD3 W Indianapolis, INCAR HALF SUBMERGED IN FLOOD WATER UNDERNEATH OVERPASS AT WASHINGTON STREET AND TIBBS AVENUE. TIME APPROXIMATE.
Aug 26, 7:40 PM EDTFLASH FLOOD1 Ssw Wynnedale, INMARION UNIVERSITY AMPHITHEATER FLOODED ROUGHLY THREE FEET DEEP
Aug 26, 7:54 PM EDTFLASH FLOODIndianapolis, INFLOOD WATER IS ENTERING RALEIGH BUILDING AT PENNSYLVANIA AND 13TH STREET. TIME IS POSTING TIME OF FLOOD REPORT AND VIDEO.
Aug 26, 7:55 PM EDTFLASH FLOOD3 Sw Indianapolis, INHIGH WATER ON KENTUCKY AVENUE NEAR RAYMOND STREET. RELAYED THROUGH OFF DUTY NWS EMPLOYEE.
Aug 26, 8:08 PM EDTFLASH FLOOD7 Ne Indianapolis, INFLOODED AT OLNEY STREET AND BROXTON DRIVE. WATER IS ABOUT HALFWAY UP CAR TIRES.
Aug 26, 8:52 PM EDTHEAVY RAIN 2.41 Se Indianapolis Int'L, INAMOUNT FROM THIS EVENINGS STORM AT NATIONAL WEATHER SERVICE INDIANAPOLIS. AMOUNT FOR DAY IS 2.43.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.2 hours before the alert went out and 203 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, Cncnati-Daytn, OH at 12:00Z on 2016-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 742 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, Cncnati-Daytn, OH at 12:00Z on 2016-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
742 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

458 
WGUS53 KIND 262212
FFWIND
INC057-059-063-081-097-109-270115-
/O.NEW.KIND.FF.W.0014.160826T2212Z-160827T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
612 PM EDT FRI AUG 26 2016

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HAMILTON COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN HANCOCK COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN JOHNSON COUNTY IN CENTRAL INDIANA...
  NORTHERN MORGAN COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  MARION COUNTY IN CENTRAL INDIANA...

* UNTIL 915 PM EDT

* AT 610 PM EDT...DOPPLER RADAR INDICATED DEVELOPING BUT SLOW MOVING
  THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL ACROSS THE WARNED
  AREA. WITH PARTS OF THE INDIANAPOLIS METRO AREA HAVING RECEIVED
  HEAVY RAINFALL FROM STORMS THIS MORNING...ADDITIONAL STORMS THIS
  EVENING WILL LIKELY CAUSE FLASH FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  INDIANAPOLIS...CARMEL...FISHERS...GREENWOOD...LAWRENCE...
  PLAINFIELD...BROWNSBURG...BEECH GROVE...SPEEDWAY...MOORESVILLE...
  DANVILLE...SOUTHPORT...AVON...CUMBERLAND...MCCORDSVILLE...
  MERIDIAN HILLS...BROOKLYN...WARREN PARK...CLERMONT AND MONROVIA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 65 BETWEEN MILE MARKERS 100 AND 124.
 INTERSTATE 69 BETWEEN MILE MARKERS 200 AND 209.
 INTERSTATE 70 BETWEEN MILE MARKERS 53 AND 95.
 INTERSTATE 74 BETWEEN MILE MARKERS 69 AND 98.

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...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3994 8586 3970 8597 3949 8625 3948 8667
      3978 8647 3998 8609 3999 8586

$$

RYAN
1 follow-up statement
022 
WGUS73 KIND 262312
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
712 PM EDT FRI AUG 26 2016

INC057-059-063-081-097-109-270115-
/O.CON.KIND.FF.W.0014.000000T0000Z-160827T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMILTON IN-HANCOCK IN-JOHNSON IN-MORGAN IN-HENDRICKS IN-MARION IN-
712 PM EDT FRI AUG 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
SOUTHEASTERN HAMILTON...NORTHWESTERN HANCOCK...NORTHWESTERN
JOHNSON...NORTHERN MORGAN...SOUTHEASTERN HENDRICKS AND MARION
COUNTIES...

AT 710 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN AND THUNDERSTORMS
ACROSS THE WARNED AREA. STORMS WERE MOVING SLOWLY EAST AND WERE
ALIGNED FROM FISHERS SOUTH-SOUTHWEST ACROSS THE EASTERN INDIANAPOLIS
METRO TO NEAR GREENWOOD. STORMS HAVE WEAKENED SLIGHTLY SINCE 645 PM.

FLASH FLOODING IS ALREADY OCCURRING WITH NUMEROUS ROADS FLOODED
ACROSS THE INDIANAPOLIS METRO AREA. INDIANAPOLIS INTERNATIONAL
AIRPORT HAS RECEIVED 1.82 INCHES OF RAIN SINCE 6 PM. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
INDIANAPOLIS...CARMEL...FISHERS...GREENWOOD...LAWRENCE...
PLAINFIELD...BROWNSBURG...BEECH GROVE...SPEEDWAY...MOORESVILLE...
DANVILLE...SOUTHPORT...AVON...CUMBERLAND...MCCORDSVILLE...
MERIDIAN HILLS...BROOKLYN...WARREN PARK...CLERMONT AND MONROVIA.

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...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3994 8586 3970 8597 3949 8625 3948 8667
      3978 8647 3998 8609 3999 8586

$$

RYAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 5:54 AM EDTSpecial Weather StatementINDFountain, Warren51 min
Aug 26, 6:48 AM EDTSpecial Weather StatementINDMontgomery, Tippecanoe42 min
Aug 26, 8:00 AM EDTSpecial Weather StatementINDBoone, Hamilton30 min
Aug 26, 8:28 AM EDTSpecial Weather StatementINDHancock, Marion47 min
Aug 26, 8:40 AM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Marion35 min
Aug 26, 8:53 AM EDTTornado WarningINDHancock, Marion, Shelby22 min
Aug 26, 9:05 AM EDTSevere Thunderstorm WarningINDDecatur, Hancock, Henry, Rush, Shelby40 min
Aug 26, 9:19 AM EDTAreal Flood AdvisoryINDHancock, Marion3 hr
Aug 26, 9:42 AM EDTSevere Thunderstorm WarningINDRush33 min
Aug 26, 3:32 PM EDTAreal Flood AdvisoryINDClay, Vigo3 hr
Aug 26, 3:49 PM EDTFlash Flood WarningINDClay, Vigo3 hr
Aug 26, 3:56 PM EDTAreal Flood AdvisoryINDBartholomew, Johnson3 hr
Aug 26, 4:01 PM EDTSevere Thunderstorm WarningINDParke, Vermillion29 min
Aug 26, 4:24 PM EDTSevere Thunderstorm WarningINDMontgomery, Parke, Putnam27 min
Aug 26, 4:28 PM EDTFlash Flood WarningINDParke, Vermillion3 hr
Aug 26, 5:24 PM EDTAreal Flood AdvisoryINDHancock, Marion3 hr

Nearby

Flash Flood Warnings in Indiana, 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.