NRT Monitoring: Operational Model Upgrades


List of operational changes at the Met Office and ECMWF since Nov. 2011:


Centre
Upgrade date
Upgrade version
Comments
ECMWF
15/11/2011
cy37r3
Aircraft bias correction should reduce ECMWF BA bias in UT/LS
Met Office
20/01/2015
N/A
Bending angle and refractivity forward models upgraded for monitoring to reduce systematic biases
Met Office
03/02/2015
PS35
Numerous changes, including implementation of the improved bending angle forward model for operational RO assimilation
Met Office
15/03/2016
PS37
Numerous changes including the implementation of variational bias correction

This list describes changes to the operational global NWP systems at the Met Office and ECMWF.  Such changes can affect the model backgrounds which are used to produce the NRT monitoring plots.  Anticipated changes will be posted here in advance of the upgrades.

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