Arctic Oscillation Index
Deterministic Model Forecasts
GFS 8-days [--] GFS 8.5-16 days [--] Canadian Met
North Atlantic Oscillation Index
Deterministic Model Forecasts
NCEP GFS Determinsitic Forecast North Atlantic Oscillation Bias -- and current forecast NAO phase.
North Atlantic Oscillation Spaghetti
NCEP GFS Ensemble Forecasts
Last 4-forecasts
*Note: based upon MSLP anomalies (First EOF) over North Atlantic sector. Daily values are standardized according to monthly mean/standard deviation of climatology 1981-2010.
Arctic Oscillation Spaghetti -- NCEP GFS Ensemble Forecasts & Parallel
Last 4-forecasts
Arctic Oscillation Spaghetti -- CMC Ensemble Forecasts
Last 2-forecasts (Twice-daily)
*Note Canadian Meteorological Center Ensemble System run twice-daily
Last 45-days of NAO and AO
*From NCEP CFSR continuation (CDAS T574)
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Count since September 1, 2011
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