\ / 

 \ / 



-2 

 -3 



3 

 2 



1 h 

 

 -1 



Curvilinear 

 i=18, j=JM ' 



Rectilinear 

 i=14, j=21 



I I I I 



— 



1 1 1 1 1 1 1 



CHARLESTON 

 South Carolina 



1 



1 1 ' 1 



Curvi] 



ft?° i=30, 

 P Y 3 Rectil 



1 1 ' 

 inear 



j=JM 



inear 



— 



— 





j^6 



\ a i=24, 



3 = 17 



— 



WP 



D OOQOci 



a° 



^y 









I 1 . 1 1 1 1 



1 



I 1 1 1 



, 1 , 





i — i — i— j— i i i p^ 



Curvilinear 

 i=50, j=JM 



Rectilinear 

 i=40, j = 11 



2 



1 







-1 



WILMINGTON 

 North Carolina 



j L 



J i L 



12 



18 24 30 

 Time (hours) 



36 



42 



48 



Figure 77. Observed (squares) and computed water levels 



for Hurricane Gracie in the curvilinear (solid) 

 and rectilinear (dashline) grid systems. 



124 



