Aug 2, 2009
A warm front that moved northeast in the morning and a cold front that arrived from the west late in the day on the 2nd resulted in numerous showers and thunderstorms across the area with heavy rain and flash flooding. The region was already saturated from all of the heavy rain that fell during the last week of July. Doppler Radar storm total estimates reached as high as 4 to 5 inches across eastern Chester, southern Montgomery and southwestern Bucks Counties and caused flash flooding. Doppler R
Source: NOAA National Weather Service Storm Events Database (event 193356). 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.