...
| Excerpt |
|---|
IFS cycle 40r1 was the operational model at ECMWF from 19th November 2013 to 12th May 2015. These release notes describe the differences between OpenIFS 40r1v2 and 40r1v1.1. |
For differences between 40r1v1 and the previous release based on IFS cycle 38, please see the Release Notes for 40r1v1.
| Warning |
|---|
OpenIFS 40r1v2 will not produce the same meteorological results as the previous releases 40r1v1 and 40r1v1.1. A number of changes have been made that mean the model is not bit identical to the previous releases, though the differences are small. |
...