3 28 



27 26 25 24 23 22 21 20 19 18 17 



22° 



24° 



26° 



36° 



38° 



40° 



28° 30° 32° 34° 



NORTH LATITUDE 



I60°W 



Figure 8. --Smoothed geopotential anomaly of isobaric surfaces relative to the 1,000-db. 

 surface, 160°W. longitude, stations 17-28. Points represent computed values. 



24 



