Updated every day with a 21-day delay!
The latest initial date is 20241011.
EA (Eastern Atlantic)
PNA (Pacific/North American)
WA (Western Atlantic)
WP (Western Pacific)
EU (Eurasian)
definition: Wallace and Gutzler(1981)
Initial time :
Year.Month
Day
Initial days of forecasts:
centre |
Sun |
Mon |
Tue |
Wed |
Thu |
Fri |
Sat |
BoM |
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CMA |
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ECMWF |
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ECCC |
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HMCR *1 |
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ISAC-CNR *2 |
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JMA *3 |
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KMA |
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METFR *4 |
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NCEP |
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UKMO |
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*1 HMCR: Wed (-31 May 2017), Thu (08 Jun. 2017-)
*2 ISAC-CNR: Mon (-16 Jan. 2017), Thu (19 Jan. 2017-)
*3 JMA: Tue,Wed (-15 Mar. 2017), Wed (22 Mar. 2017-15 Feb. 2023), daily (19 Feb. 2023-)
*4 METFR: 1st of each month (-Feb 2016), Thu (Mar. 2017-)
AO/AAO indices
NAO index
Ens. Mean Verification
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