A Comparison of GFS Analyses and
Forecasts to Other Centers
April 2005
Height
500 hPa
1 day errors
Time-Mean Differences between Analyses
RMS
1 day errors
Difference in analyses
RMS Error
Zonal
mean
40-60N
1 day
Differences in 1 day RMS errors
RMS Difference-Analyses
Zonal
mean
Zonal
mean-ocean
40-50N
Regional
Wind Magnitude
Zonal means
Analyses
1 day errors
Time-Mean Differences between Analyses
Time-Mean Differences between 1-day forecasts
30-40N
Analyses
1 day errors
Time-Mean Differences between Analyses
Time-Mean Differences between 1-day forecasts
Equator
Analyses
1 day errors
Time-Mean Differences between Analyses
Time-Mean Differences between 1-day forecasts
200 hPa
30-40N
Analyses
1 day errors
Time-Mean Differences between Analyses
Time-Mean Differences between 1-day forecasts
850 hPa
Analyses
1 day errors
Time-Mean Differences between Analyses
Time-Mean Differences between 1-day forecasts
RMS Wind Error
Zonal means
1 day errors
Time-Mean Differences between 1-day forecasts
20S-20N
1 day errors
Time-Mean Differences between 1-day forecasts
200 hPa
1 day errors
Time-Mean Differences between 1-day forecasts
850 hPa
1 day errors
Time-Mean Differences between 1-day forecasts
