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The NCEP Climate Forecast System & Experimental Predictions for the Caribbean. Wassila M. Thiaw Climate Prediction Center National Oceanic and Atmospheric Administration. Outline. NCEP Operational Forecasting System Climate Forecast System Experimental predictions for the Caribbean.
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The NCEP Climate Forecast System & Experimental Predictions for the Caribbean Wassila M. Thiaw Climate Prediction Center National Oceanic and Atmospheric Administration
Outline • NCEP Operational Forecasting System • Climate Forecast System • Experimental predictions for the Caribbean
Climate Forecast System V1 vs. V2 Wanqiu Wang
SST Biases for JAS CFS V2 CFS V1
SST Biases for JAS CFS V2 CFS V1
NCEP CFSv1 and CFSv2 NINO3.4 Forecast • CFSv2 suggests La Nina will transition to ENSO-neutral conditions during Apr-Jun 2012. • CFSv1 predicted La Nina to continue into summer/fall from Dec 2011 I.C., but it predicted a transition to ENSO-neutral conditions during Apr-Jun 2012 from Jan 2012 I.C., consistent with the CFSv2 prediction. Source: CPC’s Global Ocean Briefing
NOAA Official ENSO Forecast • NOAA “ENSO Diagnostic Discussion” suggests La Niña is likely to transition to ENSO-neutral conditions during Mar-May 2012. Source: CPC’s Global Ocean Briefing
NCEP CFSv1 and CFSv2 Tropical North Atlantic SST Forecast • CFSv2 (CFSv1) suggests tropical North Atlantic SST to be above-normal (below-normal) during summer 2012, favorable (unfavorable) for Atlantic hurricane activity. Source: CPC’s Global Ocean Briefing
National Multi-Model Ensemble (NMME) SST Forecast for JJA 2012 (Dec 2011 I.C.) CFSv1 CFSv2 Ensemble Mean of 7 Models CFSv1 CFSv2 ECHAMA ECHAMF GFDL NCAR NASA NMME Source: CPC’s Global Ocean Briefing
CFS V2 Forecasts Feb 2012 IC Departures from climatological probabilities MAM AMJ MJJ JJA JAS ASO