Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >
NWS Mount Holly Event Reviews
The following summaries cover selected significant meteorological events occurring in the National Weather Service Philadelphia/Mount Holly county warning area (CWA). Event reviews are completed based on event significance and resource availability. The information provided on these pages should be considered preliminary.