2.0 



1.9 

 I 8 

 I 7 

 1.6 

 I 5 

 I 4 

 1.3 

 I 2 

 I.I 

 1.0 

 .9 



67 68 69 70 71 



-400- 



—500 



-600 



•700- 



-800- 



J I I I I L 



79 78 77 76 



n — i — i — i — i — r 



75 74 72 73 



1 I I 1 1 1 1 1 



-400 



•500- 



-600" 



-700 



^800 



J I L 



J I I L 



J I L 



30° 32° 34 c 

 I43°W 



36° 



26° 28° 30° 



NORTH LATITUDE 



32° 



34° 



36° 



38° 



I4I°W 



Figure 1 5. --Smoothed geopotential anomaly of isobaric surfaces relative to the 1,000-db. 



surface along 143 W. longitude, stations 67-71. Points represent computed values. 

 Figure 16. --Same for 141°W. longitude, stations 72-79. 



28 



