Composite Maps (North America and Asia)

NROW 2008 Presentation

Northern Hemisphere Anticyclone Climatology

NCEP-NCAR Global Reanalysis (1948-2007)

    1040 hPa     1050 hPa    1060 hPa

ERA-40 Global Reanalysis (1958-2001)

    1040 hPa     1050 hPa    1060 hPa

 

Comparison plots

    1040 hPa (1958-2001)    NCEP/NCAR    ERA-40

    1050 hPa (1958-2001)    NCEP/NCAR    ERA-40

    1060 hPa (1958-2001)    NCEP/NCAR    ERA-40

                By Decade

                    1040 hPa

                            NCEP/NCAR    1948-1957    1958-1967    1968-1977    1978-1987    1988-1997    1998-2007

                            ERA-40                                   1958-1967    1968-1977    1978-1987    1988-1997                                   

 

Histograms of maximum count by year

    ERA-40:                 1040 hPa    1050 hPa

    NCEP/NCAR:        1040 hPa    1050 hPa (Coming soon!)

 

Link to MSLP plots from 1973 using ERA-40 (0000 UTC only)*

*This was used as a reference to confirm the maximum counts (values used for histograms) obtained for certain years in previous research were incorrect.

 

Last updated: 31 July 2008