Briefing for NCEP Director Dr. Uccellini on 19 July 2010 before the scheduled 28 July 2010 T574L64 GFS implementation. EMC Global Chief John Ward presented the changes included in this implementation . A handful of NCEP/NWS centers presented their evaluations of this new model. Please click on teh links below to see the ppt presentations.

• EMC Science Briefing, John Ward
  
• NCO Technical Briefing, Christine Caruso Magee
  
• Aviation Weather Center Evaluation
  
• Climate Prediction Center Evaluation
  
• Hydrometeorological Prediction Center Evaluation
  
• Meteorological Development Laboratory (MDL) Evaluation
  
• National Hurricance Center Evaluation
  
• Ocean Prediction Center Evaluation
  
• Storm Prediction Center Evaluation
  
• Day-5 500-hPa Height AC in the last 30 days of evaluation (Dr. Uccellini map)
  

documentations

• Total Variance Diminishing (TVD) positive-definite tracer transport scheme (Yang et al., 2007)
  
• WPGM2010 presentation on NCEP T574L64 GFS Upgrade