800 



700 



600 



'500 



>- 

 ^400 



>- 

 o 

 cr 

 uj 



5 300 



200 



100 



POWER SPECTRUM 



FORECAST: 18 HOUR 

 DATE = 27 FEB. 1967 

 TIME : I800Z 

 LOCATION : STATION J 



H l/3 OBS. 20.8 

 H |/3 PRED. 19.7* 





16 20 



LAG NUMBER 



FIGURE 23. WAVE SPECTRA - OBSERVED (MEASURED) VERSUS PREDICTED- 

 GREATEST CORRELATION - 18-HOUR FORECAST INTERVAL 

 (FNWF INPUT). 



45 



