Row Spectrol Lines 



Smoothed Spectrum 



Woter Level Vorlonce = 13.6ft* 



Vorionce Approi. Equals 2/s(f)df 

 



0.15 020 025 



Frequency (c/s) 



Figure 3. Hurricane Carla spectrum record number 6879, 

 1800 hours, 8 September 1961. 



Row Spectrol Lines 



Smoottied Spectrum 



Woter Level Vorionce = 12.7ft' 



(." 



Variance Appro. Equals 2js(f)df 

 



0.20 0.25 



Frequency (c/») 



Figure 4. Hurricane Carla spectrum record number 6880, 

 0000 hours, 9 September 1961. 



20 



