Frequency-Direction Spectral Plots: Event U 



0100. 8 Mar 90 

 Hmo = 1.92 m 0400. 8 Mar 90 0700. 8 Mar 90 1300, 8 Mar 90 



Hmo - 1.96 m Hmo — 1 87 m Hmo — 189 m 



9 (deg) 

 1900. 8 Mar 90 0100. 9 Mar 90 0700, 9 Mar 90 1300. 9 Mar 90 



Hmo = 1.60 m Hmo = 1.29 m Hmo = 0.99 m Hmo = 0.88 m 



1900. 9 Mar 90 

 Hmo — 0.73 m 



Appendix A Event Time Series and Spectral Sequences 



A75 



