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Isentropic level climatologies (polar stereographic projections) >

Potential vorticity and vector wind at 530K

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 EPS (1153kb)
 GIF (89kb)
 Annual mean  
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 EPS (618kb)
 GIF (62kb)
 Interannual variability  
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 EPS (1161kb)
 GIF (87kb)
 December-February  
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 EPS (1151kb)
 GIF (84kb)
 March-May  
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 EPS (1175kb)
 GIF (99kb)
 June-August  
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 EPS (1162kb)
 GIF (94kb)
 September-November  
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