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Flash Flood Warning

Status

Event Extended (Time) Expired

Start Time

Wed 08/12/2026 02:01 PM EDT

End Time

Wed 08/12/2026 05:15 PM EDT

Significance

Warning

Impacts

High impact

Flash floodradar indicated
Flash flood damage threatconsiderable
Expected rainfall rate0.5-1.5 inches in 1 hour

Locations Affected

Fishers, IN ∙ Carmel, IN ∙ Noblesville, IN ∙ Ulen, IN ∙ Arcadia, IN ∙ Indianapolis Executive Airport, IN ∙ Lebanon, IN ∙ Atlanta, IN ∙ Zionsville, IN ∙ Thorntown, IN

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Indianapolis IN 201 PM EDT Wed Aug 12 2026 The National Weather Service in Indianapolis has extended the * Flash Flood Warning for... Boone County in central Indiana... Hamilton County in central Indiana... * Until 515 PM EDT. * At 201 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Indianapolis, Carmel, Fishers, Noblesville, Lebanon, Zionsville, Westfield, Cicero, Fortville, Whitestown, Sheridan, Arcadia, Thorntown, Jamestown, Atlanta, Advance, Ulen and Morse Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4022 8586 3993 8586 3992 8670 4018 8670 4018 8624 4022 8624 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR