S2S AO/AAO index forecasts

 Updated every day with a 21-day delay!
The latest initial date is 20170607.

Arctic Oscillation
Antarctic Oscillation

Initial time :
Year.Month
            Day


Definition of leading modes
is here


Initial days of forecasts:
Sun Mon Tue Wed Thu Fri Sat
BoM
CMA
ECMWF
ECCC
HMCR
ISAC-CNR *1
JMA
KMA *2
METFR *3
NCEP
UKMO
*1 ISAC-CNR: Mon (-16 Jan. 2017), Thu (19 Jan. 2017-)
*2 JMA: Tue (-15 Mar. 2017)
*3 METFR: 1st of each month (-Feb 2016)


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