Frequency-Direction Spectral Plots: Event Z 



0100. 18 Apr 91 

 Hmo = 0.41 m 



0700. 18 Apr 91 

 Hmo — 1.38 m 



1300. 18 Apr 91 

 Hmo — 1.89 m 



1900. 19 Apr 91 

 Hmo — 1.80 m 



0100. 20 Apr 91 

 Hmo - 1.72 m 



0400. 20 Apr 91 

 Hmo - 1.79 m 



1900. 18 Apr 91 

 Hmo — 1 89 m 



9 (deg) 

 0100. 19 Apr 91 0700, 19 Apr 91 1300. 19 Apr 91 1600, 19 Apr 91 



Hmo = 2.00 m Hmo = 1.97 m Hmo = 1.74 m Hmo = 1.82 m 



0700. 20 Apr 91 

 Hmo — 2.03 m 



Appendix A Event Time Series and Spectral Sequences 



A89 



