The models selected for inclusion in our survey were assessed and summarised in the following table.
Model / Agency | Model description |
Update frequency |
Length of forecast |
GPC for Long-Range Forecasts (WMO) * |
Model Output (graphs and data) |
Verification |
|
---|---|---|---|---|---|---|---|
Coupled ocean-atmosphere GCM |
Fortnightly |
8 months |
Y |
|
|||
Coupled ocean-atmosphere-land model |
Monthly |
8 months |
N |
NINO3.4 and IOD available. |
|||
Coupled ocean-atmosphere-land model |
Daily |
8 months |
Y |
Forecast data not available publicly, only graph. |
|||
Coupled ocean-atmosphere GCM |
Monthly |
6 months |
Y |
|
|||
Coupled ocean-atmosphere GCM |
Monthly |
6 months |
Y |
NINO3.4 and IOD available. |
|||
Coupled ocean-atmosphere GCM |
Monthly |
6 months |
Y |
Shorter forecast period compared to other models. |
|||
Coupled ocean-atmosphere GCM |
Monthly |
6 months |
Y |
|
NINO3.4 and IOD available. |
||
MME using two coupled ocean-atmosphere GCMs |
Monthly |
6 months |
Y |
|
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)