Appendix a

Hallmark is precipitation assimilation

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  Well captures the warm season nocturnal precip max over central U.S.
  

Global Reanalysis I: NCEP/NCAR

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  50-years initial: 1948-1998
  
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  Realtime extension is operational
  

Global Reanalysis II: NCEP/DOE

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  20-year initial: 1979-1999
  
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  Realtime extension in plac
  

3-4 Year Routine Refresh for Global Reanalysis imminent !

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  infrastructure being readied, support resources being sought
  

Land Surface Validation Lesson Themes:

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  Assess model’s soil moisture climate (spin-up): GSWP
  
  • 
    Amplitude of seasonal cycle
    
  • 
    Absolute value of annual mean
    
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  Assess model’s surface forcing biases
  
  •