Frequency-Direction Spectral Plots: Event S 



0700. 9 Dec 89 

 Hmo ■= 3.59 m 1000. 9 Dec 89 1300. 9 Dec 89 1600. 9 Dec 89 



Hmo - 3 52 m Hmo - 3.76 m Hmo - 4 03 m 



e (deg) 

 1900, 9 Dec 89 2200, 9 Dec 89 0100, 10 Dec 89 0400, 10 Dec 89 



Hmo = 4.17 m Hmo = 4.03 m Hmo = 4.09 m Hmo = 3.77 m 



0700, 10 Dec 89 

 Hmo - 3.30 m 



1000. 10 Dec 89 

 Hmo - 2.88 m 



1900, 10 Dec 89 

 Hmo - 1.84 m 



0700, 11 Dec 89 

 Hmo — 1.32 m 



Appendix A Event Time Series and Spectral Sequences 



A69 



