Frequency-Direction Spectral Plots: Event S 



0100. 7 Dec 89 



Hmo - 0.38 m 0700. 7 Dec 89 1900. 7 Dec 89 0100. 8 Dec 89 



Hmo - 0.71 m Hmo — 1.39 m Hmo — 1.63 m 



6 (deg) 

 0700, 8 Dec 89 1000, 8 Dec 89 



Hmo = 2.47 m Hmo = 2.75 m 



1300, 8 Dec 89 1600, 8 Dec 89 



Hmo = 2.98 m Hmo = 3.35 m 



1900, 8 Dec 89 

 Hmo — 3.83 m 



2200, 8 Dec 89 

 Hmo — 4.06 m 



0100. 9 Dec 89 

 Hmo — 4.06 m 



0400. 9 Dec 89 

 Hmo — 3.70 m 



A68 



Appendix A Event Time Series and Spectral Sequences 



