Description of the upgrade
This new version includes:
new parametrization schemes for the land surface, lying snow and sea-ice;
new (RRTM) long wave radiation scheme;
improved ozone model;
use more TOVS/ATOVS data (HIRS-12, AMSU-14; less constraint on AMSU-8; more off-nadir data)
revised snow analysis;
revised observation and background error variances;
use of buoys platform heights;
digital filter for gravity wave constraint.
Implemented:
27 June 2000
Resolution
Unchanged
All forecast scorecards
Forecast User Guide
All IFS Documentation