Event narrative (NOAA)
Heavy rain fell across parts of far northwest Lake County causing significant flooding and flash flooding. In Hammond, numerous streets were flooded with cars stranded in the flood waters. At least 500 houses experienced some amount of flooding including basement flooding. The hardest hit area was roughly 3 square miles bounded by the Illinois/Indiana State line on the west, Detroit Street on the south, White Oak Avenue on the east and 137th Street on the north. Rainfall amounts included 4.79 inches in Hammond; 4.53 inches two miles west of East Chicago and 4.36 inches one mile north of Hammond.
Other notable flash flood events in Indiana
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.