Jun 18, 1996
Intense "training" thunderstorms dumped rainfall of 3 to 4 inches within 3 hours in the Darnestown-Germantown-N. Gaithersburg area, causing Seneca Creek to overflow it's banks. The flooding closed numerous thoroughfares, including state route 28 just north of Darnestown and Riffle Ford Road. An automobile was trapped in the flood waters along route 28 around 0230EST, and one occupant had to be rescued. These and other roadways remained closed into the morning rush on the 18th. On state route
Source: NOAA National Weather Service Storm Events Database (event 5560603). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Montgomery County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.