A Comparison of GFS Analyses and
Forecasts to ECMWF
June 2008
Height
Zonal
means
Errors
Differences GFS-EC
500
hPa
Zonally Asymmetric
Errors
Differences GFS-EC
Temperature
Zonal mean
Errors
Differences GFS-EC
Equator
Errors
Differences GFS-EC
925
hPa
Errors
Differences GFS-EC
850
hPa
Zonally Asymmetric
Errors
Differences GFS-EC
700 hPa
Zonally Asymmetric
Errors
Differences GFS-EC
Wind Magnitude
Zonal
means
Errors
Differences in Time-Mean Wind Manitude GFS-EC
Time-Mean Difference In Wind Magnitude (RMS) GFS-EC
27.5-32.5N
Differences in Time-Mean Wind Manitude GFS-EC
Equator
Differences in Time-Mean Wind Manitude GFS-EC
45S
Differences in Time-Mean Wind Manitude GFS-EC
100
hPa
Differences in Time-Mean Wind Magnitude GFS-EC
Time-Mean Difference In Wind Magnitude (RMS) GFS-EC
250 hPa
Zonal Mean
Time-Mean Wind Magnitude
Errors
Differences in Time-Mean Wind Manitude GFS-EC
850
hPa
Time-Mean Wind Magnitude
Errors
Differences in Time-Mean Wind Manitude GFS-EC
500
hPa
Time-Mean Wind Magnitude
Errors
Differences in Time-Mean Wind Manitude GFS-EC
300
hPa
Time-Mean Difference In Wind Magnitude (RMS) GFS-EC
500
hPa
Time-Mean Difference In Wind Magnitude (RMS) GFS-EC
850
hPa
Time-Mean Difference In Wind Magnitude (RMS) GFS-EC
Transient Eddy Kinetic Energy
Zonal
means
Errors
Differences GFS-EC
250
hPa
Time
means
Errors
Differences GFS-EC
Meridional wind
Zonal
means
Errors
Differences in Time-Mean Wind Manitude GFS-EC
Relative
Humidity
Zonal
means
Differences in Time-Mean Wind Manitude GFS-EC
1000 hPa
950 hPa
900 hPa
850 hPa
800 hPa
700 hPa
300 hPa
200 hPa
100 hPa
