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Links to original models' websites

TIGGE models' upgrades

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ECCC

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title	18-9-2018 ECCC

The ECCC global ensemble prediction system (origin cwao in the TIGGE archive) was upgraded to version 5.0.0 on 18 September 2018.

The main changes in this upgrade are:

The 800x400 global Gaussian grid at 50 km resolution is updated to a Yin-Yang grid at 39 km resolution
The model top is raised from 2 hPa to 0.1 hPa.
In the ensemble Kalman filter assimilation component, the digital filter initialization is replaced by an incremental analysis update (IAU) procedure.

Further documentation of the operational upgrade can be found at http://collaboration.cmc.ec.gc.ca/cmc/cmoi/product_guide/docs/changes_e.html

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