structures built in 1969 around profile line 13. This profile again was not 
as severely affected as many others. 
25 NE storm 
km/hr 
Survey 
OCT. 1968 NOV. 1968 
Figure 19. Diagram of winds recorded at Atlantic City, 
October-November 1968, showing northeast 
storm of 12 November and beach surveys. 
(5) Spring Storm, 21 March 1973. This coastal storm differs from the 
previous three since the strongest winds from the south and southwest were 
caused by a low-pressure system centered west of the island that moved north- 
ward. These winds (Fig. 20), which reached intensities of 90 kilometers per 
hour, swung ciockwise from south to northwest before abating. Winds from the 
north and northeast were then built up to intensities of 54 kilometers per hour 
during the 24 March survey. Though this is the only local storm during the sur- 
vey interval, the high-velocity shifting winds made interpretations difficult. 
Erosion was widespread over the profiles though not as severe as during the win- 
ter northeast storms in spite of the high winds (Table 2). All profiles from 
profile line 11 north showed a loss in volume over this interval except the 
closely spaced profile lines 22 to 30 used for the groin field studies. South 
of profile line 11, the changes were extremely variable, ranging from a loss 
of 12.15 cubic meters per meter at profile line 15 to a marked gain of 43.55 
cubic meters per meter at profile 21. Closely spaced profiles were being sur- 
veyed during this period. This data set is examined in Section IV-3. 
42 
