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Isentropic level climatologies (polar stereographic projections) >

Potential vorticity and vector wind at 330K

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 EPS (2063kb)
 GIF (126kb)
 Annual mean  
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 EPS (810kb)
 GIF (89kb)
 Interannual variability  
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 EPS (1927kb)
 GIF (126kb)
 December-February  
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 EPS (2030kb)
 GIF (128kb)
 March-May  
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 EPS (2017kb)
 GIF (129kb)
 June-August  
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 EPS (1998kb)
 GIF (125kb)
 September-November  
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