The Locally Processed Atmospheric Motion Vector Data at MET Norway
We operate two regional operational models at the Norwegian Meteorological Institute (Met Norway). One of these models – MetCoOp – is operated together with Sweden, Finland and Estonia. While for this model, both geostationary and polar-orbiting satellite based AMV are available, for the other model – Arome-Arctic -, only polar-orbiting satellite based products can be used. Although only Metop-based AMV can be used until now due to the unsatisfactory timeliness of the other products, we have reported during earlier IWWC that among other satellite observations, AMV plays an important role in our models providing a clear positive impact. We also reported that several solutions were tried to timely produce AMVs from other satellites. Until early this year (May), no optimal solution has been found. Now, we are able to produce AMV data from all polar-orbiting satellites thanks to the processing model developed by the Satellite Application Facilities for Nowcasting (SAF-NWC) Team.
This presentation describes the locally produced AMV data with a special focus on their impact on the Arome-Arctic regional model analyses and forecasts.
