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Flash Flood Warning 0045Indianapolis, IN
Flash Flood Warning 0047Indianapolis, IN
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Flash Flood Warning 0055
Issued by the Indianapolis Forecast Office

Action Issued Starts Expiration
New 2026-08-12 13:11:50 2026-08-12 13:11:00 2026-08-12 16:15:00
Time Extended 2026-08-12 15:24:38 2026-08-12 18:15:00
Cancelled 2026-08-12 17:59:27 2026-08-12 18:15:00


Action: New
Issued At: 2026-08-12 13:11:50

863 
WGUS53 KIND 121811
FFWIND
INC081-122115-
/O.NEW.KIND.FF.W.0055.260812T1811Z-260812T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
211 PM EDT Wed Aug 12 2026

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Johnson County in central Indiana...

* Until 515 PM EDT.

* At 211 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 1 inch of rain has 
  fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. 
  Additional rainfall amounts of 0.5 to 1.5 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Indianapolis, Greenwood, Franklin, New Whiteland, Edinburgh, 
  Whiteland, Bargersville, Princes Lakes and Trafalgar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3934 8625 3963 8625 3964 8595 3935 8595

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR

$$

Eckhoff


Action: Time Extended
Issued At: 2026-08-12 15:24:38

908 
WGUS53 KIND 122023
FFWIND
INC081-122315-
/O.EXT.KIND.FF.W.0055.000000T0000Z-260812T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
423 PM EDT Wed Aug 12 2026

The National Weather Service in Indianapolis has extended the

* Flash Flood Warning for...
  Johnson County in central Indiana...

* Until 715 PM EDT.

* At 423 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2 inches of rain have 
  fallen. Additional rainfall amounts up to 0.25 inches are possible 
  in the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Indianapolis, Greenwood, Franklin, New Whiteland, Edinburgh, 
  Whiteland, Bargersville, Princes Lakes and Trafalgar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3934 8625 3963 8625 3964 8595 3935 8595

FLASH FLOOD...RADAR INDICATED

$$

Eckhoff


Action: Cancelled
Issued At: 2026-08-12 17:59:27

718 
WGUS73 KIND 122258
FFSIND

Flash Flood Statement
National Weather Service Indianapolis IN
658 PM EDT Wed Aug 12 2026

INC081-122308-
/O.CAN.KIND.FF.W.0055.000000T0000Z-260812T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Johnson IN-
658 PM EDT Wed Aug 12 2026

...FLASH FLOOD WARNING FOR JOHNSON COUNTY HAS BEEN REPLACED WITH A 
FLOOD WARNING...

Flash Flood threat has ended for the warned area but a flooding 
threat continues.

&&

LAT...LON 3934 8625 3963 8625 3964 8595 3935 8595

$$

KF



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