Paper 3 



EASTtRN PACIFIC SEA SURFACE CONDITIONS IN 1976' 



Elizabeth D . Haynes' 



The a 

 eas t e 

 by ab 

 19Afe- 

 1 SOW 

 with 

 Cold 

 S ept e 

 This 

 hi gh 

 Low c 

 t he 

 su rf a 

 wes te 

 south 

 bring 

 the w 



nnu a I a 

 rn Nor 

 out 1C 

 67. ) A 

 persist 



the c 

 anoma ly 

 mbe r t 

 occur re 



center 

 enter f 

 y ea r t 

 c e wind 

 r ly th 

 e r Ly as 

 i ng un 

 e St of 



ve ra 

 th P 

 in 1 

 n a 

 ed. u 

 ir cu 



wat 

 he 

 d as 



bee 

 ar t 

 he 



s no 

 aa 



Lhe 

 usua 

 U5W 



ge se 

 ac i f i 

 976. 

 noma I 

 nt i I 

 lat i o 

 er la 

 anoma 



the 

 omi ng 

 o the 

 winds 

 r t h o 

 norma 



Aleu 

 L wa 



and 



a sur 



c (EN 

 (ALL 

 ous 

 early 

 n aro 

 y t o 

 Ly pa 

 sur fa 

 di sp 

 west 

 wer 

 f 4GN 

 I un 

 t i an 

 rmt h 

 acros 



face t 

 P) ' no 



compa 

 warrn 



fall, 

 und t h 

 the so 

 t te rn 

 ce pre 

 laced 



of th 

 e st r 



and s 

 til S 

 Low re 

 to the 

 s 1 A 



empera 

 rth of 

 r i sons 

 pat ch 



This 

 e Nort 

 uth of 

 began 

 ssu re 

 to the 

 ei r no 

 onq er 

 out h 

 ept emb 

 t reate 

 North 

 sis. 



t ure ( 



30N w 



are 

 a Long 



warm 

 h Paci 



20 N d 

 t o rot 

 patter 



nort h 

 r ma I p 



than 

 f Alas 

 err t 

 d wes 



A m e r i 



SST) ove 

 as CO Ide 

 to t he 

 30N cent 

 patch wa 

 fie subt 

 uri nrj t h 

 ote coun 

 n also 

 east and 

 osi t ions 

 average . 

 ka tende 

 hen the 

 twa rd a 

 can coas 



r the 

 r than 



2D-yr 

 ered a 

 s ass 

 ropi ea 

 is t im 

 t er e Lo 

 rot ate 



the A 

 Thr 

 In g 

 d to b 

 y be ea 

 nd de 

 t and 



entire 

 normal 

 mean^ 

 t about 

 oc is t ed 

 I high, 

 e . In 

 e k wi se . 

 dr the 

 leut 1 an 

 oughout 

 ener a l^ 

 e more 

 me more 

 epened^ 

 cold to 



Off southern California a warm patch developed in early summer 

 (both warmer than the 20-yr mean and warmer than in 1975) and 

 grew for the remainder of the year. The sea surface was much 

 warmer than usual along the entire coast during the last quarter. 



The eastern tropical Pacific (ETP)^ was much colder than normal 

 at the beginaing of the year. Small patches of warm SST anomaly 

 appeared near South America and became larger as the year 

 advanced. By June the anomalously warm waters dominated the 



'This paper is summarized from £ishina I QtoLQlst ign^ 1976^ 

 Southwest Fisheries Center/- NMFS/- NOAA^ La Jolla/' CA 92038; the 

 weather and circulation articles in Month^^ Weather Review^ Vols. 

 10A and 105# and the Pacific logs in Mariners Weather Lqo/ 

 Vols . 20 and 21 . 



^Resource Assessment Division^ National Marine Fisheries 

 Servicer NOAA^ vJas hi ngton/- DC 20235. 



^ENP = 2CN to the Aleutians/- North American coast to 180W. 



^ETP = 2QS to SON/- American coast to 1feuW. 



35 



