Mar 20, 1998
An area of deep low pressure over the southeastern U.S. moved slowly into the southern middle Atlantic region in a 24-hour period from the morning of the 20th through the morning of the 21st, then off the coast by evening of the 21st. The low, which entrained deep moisture from the Gulf of Mexico, aided in dumping storm total rainfall of 1 1/2 to 2 inches across the piedmont, with over 2 inches in the higher mountains of the Catoctin Ridge. The rain, falling onto saturated soil in a winter of
Source: NOAA National Weather Service Storm Events Database (event 5633254). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Frederick County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.