Description of the upgrade
This is a technical change only and involves the writing of observations directly into the Observation Data Base (ODB).
The new model cycle is used throughout the Centre's forecast suites, the T511 main run, the EPS and the BC Optional Project. The atmospheric model identification number in the GRIB headers changed from 202 to 203.
Implemented: 29 April 2003
Resolution
Unchanged
Contents of this page
All IFS cycles
- Terminology for IFS testing
- Implementation of IFS Cycle 48r1
- Implementation of IFS Cycle 47r3
- Implementation of IFS Cycle 47r2
- Implementation of IFS Cycle 47r1
- Implementation of IFS cycle 46r1
- Implementation of IFS cycle 45r1
- Implementation of Seasonal Forecast SEAS5
- Implementation of IFS cycle 43r3
- Implementation of IFS Cycle 43r1
- Implementation of IFS cycle 41r2
- Introducing the octahedral reduced Gaussian grid
- Horizontal resolution increase
- Boundary-Condition Programme ENS at 06 and 18 UTC
- Implementation of IFS Cycle 41r1
- IFS cycle upgrades pre 2015