Alert archive / Indiana / Flash Flood Warnings in 2015

Flash Flood Warning 45, NWS Indianapolis, IN

July 26, 20154 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 26, 2015, 8:51 PM EDT for 4 counties in Indiana. It was in force for 4 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
Jul 26, 2015, 8:51 PM EDT (00:51 UTC)
Expired
Jul 27, 2015, 12:45 AM EDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Hancock County, IN, Johnson County, IN, Marion County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 00:51 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.9 hours before the alert went out and 195 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 00:00Z on 2015-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 363 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 00:00Z on 2015-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
363 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

125 
WGUS53 KIND 270051
FFWIND
INC059-081-097-145-270445-
/O.NEW.KIND.FF.W.0045.150727T0051Z-150727T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
851 PM EDT SUN JUL 26 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN MARION COUNTY IN CENTRAL INDIANA...
  SOUTHWESTERN HANCOCK COUNTY IN CENTRAL INDIANA...
  JOHNSON COUNTY IN CENTRAL INDIANA...
  WESTERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 1245 AM EDT
    
* AT 850 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  INDIANAPOLIS...GREENWOOD...FRANKLIN...BEECH GROVE...SOUTHPORT...NEW
  WHITELAND...EDINBURGH...WHITELAND...BARGERSVILLE...NEW PALESTINE...
  PRINCES LAKES...TRAFALGAR...HOMECROFT...FAIRLAND...MONUMENT
  CIRCLE...BOGGSTOWN AND MARIETTA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 65 BETWEEN MILE MARKERS 80 AND 111.
 INTERSTATE 70 BETWEEN MILE MARKERS 79 AND 80.
 INTERSTATE 74 BETWEEN MILE MARKERS 93 AND 107.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

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

&&

LAT...LON 3935 8587 3934 8622 3941 8625 3955 8625
      3977 8618 3976 8583

$$

MMB/PUMA
1 follow-up statement
249 
WGUS73 KIND 270430
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1230 AM EDT MON JUL 27 2015

INC059-081-097-145-270439-
/O.CAN.KIND.FF.W.0045.000000T0000Z-150727T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION IN-HANCOCK IN-JOHNSON IN-SHELBY IN-
1230 AM EDT MON JUL 27 2015

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN MARION...SOUTHWESTERN
HANCOCK...JOHNSON AND WESTERN SHELBY COUNTIES IS CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 3935 8587 3934 8622 3941 8625 3955 8625
      3977 8618 3976 8583

$$

JK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 11:23 PM EDTAreal Flood WarningINDBoone, Hamilton, Hendricks, Marion, Montgomery9 hr

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.