Climate Model Details

The models selected for inclusion in our survey were assessed and summarised in the following table.


Rows for each model. 8 columns for the model agency, model description, update frequency, forecast length, WMO Global Producer Centre status, model output link, verification link and additional comments.
Model / Agency Model description
No. of Ensemble Members
Update frequency Length of forecast GPC for Long-Range Forecasts (WMO) * Model Output (graphs and data)  Verification Additional comments
POAMA / Bureau of Meteorology Coupled ocean-atmosphere GCM
33 member ensemble
Fortnightly 8 months Y NINO3.4
IOD
Verification  
GEOS5 / NASA-GMAO (USA) Coupled ocean-atmosphere-land model
12-15 member ensemble
Monthly 8 months N NINO3.4 & IOD(IDM)

Data
Verification NINO3.4 and IOD available
CFSv2 / NOAA-NCEP (USA) Coupled ocean-atmosphere-land model
40 member ensemble
Daily 8 months Y NINO3.4 Verification Forecast data not available publicly, only graph.
JMA/MRI-CPS2 / JMA Coupled ocean-atmosphere GCM
51 member ensemble
Monthly 6 months Y NINO3.4

Data
Verification  
System 4 / ECMWF (EU) Coupled ocean-atmosphere GCM
51 member ensemble
Monthly 6 months Y NINO3.4 Verification NINO3.4 and IOD available.
Forecast data not available publicly, only graph.
GloSea5 / UKMO Coupled ocean-atmosphere GCM
60 member ensemble
Monthly 6 months Y NINO3.4

IOD
Verification Shorter forecast period compared to other models.
Forecast data not available publicly, only graph.
ARPEGE / MeteoFrance Coupled ocean-atmosphere GCM
51 member ensemble
Monthly 6 months Y NINO3.4 Verification NINO3.4 and IOD available.
Forecast data and graph not available publicly.
CanSIPS / Meteorological Service of Canada MME using two coupled ocean-atmosphere GCMs
20 member ensemble
Monthly 6 months Y NINO3.4 Verification Data available via IRI multi model comparison page. Verification for ENSO is pp 12-15 of Tech note.

*Global Producing Centres for Long-Range Forecasts (World Meteorological Organisation)