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The nor'easter struck shortly during a new moon, producing high tides that resulted in significant beach erosion along the Delmarva Peninsula. The highest wind gust was 89 mph (143 km/h), reported in Chincoteague, Virginia. The cost of the lost beach near Ocean City, Maryland was estimated at over $10 million (1992 USD).
Along the Eastern Shore of Maryland and in eastern Delaware, the high waves eroded beaches and damaged boardwalks. In Ocean City, Maryland, wind gusts reached 64 mph (103 km/h), while tides were estimated at 5 to 6 ft (1.5 to 1.8 m) above normal. The tides washed away dunes and beaches.
High tides damaged much of the dune system along the Assateague Island National Seashore and about a third of the newly installed dunes in Ocean City, Maryland. Along the Maryland coast, the storm dropped heavy rainfall, with a total of 2.90 in (74 mm) in Salisbury; the high rains flooded local streams. At Assateague National Seashore, wind ...
The dates of spring tides and neap tides, approximately seven days apart, can be determined by the heights of the tides on the classic tide tables: a small range indicates neaps and large indicates springs. This cycle of tides is linked to the phases of the moon, with the highest tides (spring tides) occurring near full moon and new moon.
On the Eastern Shore of Maryland, Hurricane Isabel produced a storm surge peaking at 8 feet (2.4 m) on the Chesapeake Bay in Hoopers Island and 6.5 feet (2.0 m) on the Atlantic coast in Ocean City. [12] The track of the hurricane to the west funneled into the bay and was so strong it negated the normal tide cycle in the bay.
To the north of the storm, Ocean City, Maryland, measured 2.80 in (71 mm) of precipitation. [21] Above-normal tides were reported as far south as Charleston, South Carolina ; [ 58 ] high tides also spread farther north, with a storm surge of 1.2 ft (0.37 m) at the Chesapeake Bay Bridge–Tunnel and 0.6 ft (0.18 m) in Lewes, Delaware .
Spring tides occur at the second and fourth (last) quarters of the lunar phases. By contrast, during neap tides, when the Moon and Sun's gravitational force vectors act in quadrature (making a right angle to the Earth's orbit), the difference between high and low tides (neap range) is smallest. Neap tides occur at the first and third quarters ...
Upon making landfall Danielle produced an estimated storm tide of 2 to 3 feet (0.61 to 0.91 m) in Ocean City, Maryland. Wind gusts peaked at 53 mph (85 km/h), also in Ocean City. [ 6 ] The storm produced moderate rainfall of over 3 inches (76 mm) across the Eastern Shore of Maryland , [ 10 ] while interior amounts experienced slightly lesser ...