Frequency-Direction Spectral Plots: Event Q 



1300. 20 Sep 89 

 Hmo = 1.27 m 1900. 20 Sep 89 0100. 21 Sep 89 0400. 21 Sep 89 



Hmo - 1 32 m Hmo - 1.29 m Hmo - 1.32 m 



6 (deg 



0700, 21 Sep 89 1000, 21 Sep 89 1300, 21 Sep 89 1600, 21 Sep 8£ 



Hmo = 1.73 m Hmo = 2.43 m Hmo = 2.53 m Hmo = 2.29 m 



2200, 21 Sep 89 

 Hmo — 2.35 m 



1000, 22 Sep 8J 

 Hmo — 1.94 m 



1600, 22 Sep 8£ 

 Hmo — 1.57 m 



0400, 23 Sep 89 

 Hmo — 1.23 m 



A60 



Appendix A Event Time Series and Spectral Sequences 



