Dec 18, 2023
A strong coastal storm developed over the eastern Gulf of Mexico, crossed the Florida peninsula, and pushed northward up the East Coast from December 17 through December 19, 2023. This system produced 2-4 of rainfall across the eastern half of Pennsylvania, which led to localized flooding. As colder air rushed in behind the system, 6 to 8 inches of snow fell across portions of Pennsylvania's Laurel Highlands.
Source: NOAA National Weather Service Storm Events Database (event 1144868). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lancaster County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.