Apr 16, 2018
A strong backdoor cold front moved from northeast to southwest across the area late Saturday afternoon April 15th into Sunday morning April 16th. Not only was there a significant drop in temperature coinciding with the passage of the front, but also a stark difference between high temperatures on Saturday and Sunday. On Saturday, high temperatures ranged from the mid-70s to mid-80s, but only made it to the mid-30s to mid-40s on Sunday. In general, there was a 40 degree temperature drop from Satu
Source: NOAA National Weather Service Storm Events Database (event 741664). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Philadelphia County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.