SYSTEMATIC ERRORS IN OPERATIONAL GLOBAL FORECASTS FOR JUNE-AUGUST 1999

Zonal means

LONGITUDE-PRESSURE CROSS-SECTIONS

Cross-sections of geopotential height
Cross-sections of temperature
Cross-sections of horizontal divergence
Equatorial cross-sections

REGIONAL ERRORS

Regional height errors
Regional temperature errors
Regional zonal wind errors
Regional horizontal divergence errors


ZONAL MEAN FIELDS verified against global analyses

HEIGHT

TEMPERATURE

ZONAL WIND

MERID WIND

HORIZ DIV

anl, 3dy means

anl, 1dy means

anl, 1dy means

anl, 7dy means

anl, 5dy means

5dy, 7dy means

3dy mean

3dy mean

7dy means

anl, 15dy means

1, 3 dy error

1, 3 dy error

1, 3 dy error

1, 3 dy error

5, 7 dy error

5, 7 dy error

5, 7 dy error

5, 7 dy error

7, 8 dy error

10, 15 dy error

10, 15 dy error

10, 15 dy error


LONGITUDE-PRESSURE CROSS-SECTIONS OF ERRORS verified against global analyses

GEOPOTENTIAL HEIGHT

45N

EQUATOR

45S

anl,15dy fcst

anl,15dy fcst

anl,15dy fcst

10,15dy error

10,15dy error

10,15dy error

TEMPERATURE

60N

50N

45N

30N

EQUATOR

30S

45S

60S

anl,15dy mean

anl,15dy mean

anl,15dy mean

anl,15dy mean

anl,15dy mean

anl,15dy mean

anl,15dy mean

anl,15dy mean

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

HORIZONTAL DIVERGENCE

25N

5N

10S

30S

anl,1dy mean

anl,1dy mean

anl,1dy mean

anl,1dy mean

3dy mean

3dy mean

3dy mean

3dy mean

5,7dy mean

5,7dy mean

5,7dy mean

5,7dy mean

1,3dy error

1,3dy error

1,3dy error

1,3dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

EQUATOR

ZONAL WIND

MERID WIND

anl,3dy mean

anl,3dy mean

anl,7dy mean

anl,7dy mean

1,3dy error

1,3dy error

5,7dy error

5,7dy error



REGIONAL ERRORS verified against global analyses

GEOPOTENTIAL HEIGHT

1000 mb

500 mb

250 mb

anl,15dy fcst

anl,15dy fcst

anl,15dy fcst

1dy,3dy error

1dy,3dy error

1dy,3dy error

5,7dy error

5,7dy error

5,7dy error

10,15dy error

10,15dy error

10,15dy error

TEMPERATURE

1000 mb

925 mb

850 mb

800 mb

700 mb

500 mb

anl,15dy fcst

anl,15dy fcst

anl,15dy fcst

anl,15dy fcst

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

1,3dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

5,7dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

10,15dy error

ZONAL WIND

850 mb

250 mb

150 mb

anl,3dy fcst

anl,3dy fcst

anl,3dy fcst

anl,7dy fcst

anl,7dy fcst

anl,7dy fcst

anl,15dy fcst

anl,15dy fcst

anl,15dy fcst

1dy,3dy error

1dy,3dy error

1dy,3dy error

5,7dy error

5,7dy error

5,7dy error

10,15dy error

10,15dy error

10,15dy error

HORIZONTAL DIVERGENCE

150 mb

200 mb

anl,1dy fcst

anl,1dy fcst

3dy fcst

3dy fcst

5,7dy fcst

5,7dy fcst

anl,15dy fcst

anl,15dy fcst

1dy,3dy error

1dy,3dy error

5,7dy error

5,7dy error

7,8dy error

7,8dy error

10,15dy error

10,15dy error