Forecast Impact 3DVAR

1
MODIS Polar Winds
Forecast Impact (3DVAR)
Current Operational Users European Centre for
Medium-Range Weather Forecasts (ECMWF), Jan
2003 NASA Global Modeling and Assimilation Office
(GMAO), 2003 Deutscher Wetterdienst (DWD), Nov
2003 Japan Meteorological Agency (JMA), May
2004) Canadian Meteorological Centre (CMC), Sept
2004 US Navy (FNMOC), Oct 2004 UK Met Office, Feb
2005 National Centers for Environmental
Prediction (NCEP), Nov 2005
Northern Hemisphere
Anomaly correlation for 500 hPa geopotential,
each experiment verified against its own
analysis. Forecast scores are the correlation
between the forecast geopotential height
anomalies, with and without the MODIS winds, and
their own analyses. (From ECMWF)
(Jeff Key)