GEFS upgrade - AOP plan - major implementation

• Summary information
• GEFS Implementation (Final Briefing - October 9 2015)


• GEFS configuration (May 15 2014)


• Science Quarterly Briefing to NCEP Director (July 2015 - pdf)
• Science Quarterly Briefing to NCEP Director (March 2014 - pdf)
• Science Quarterly Briefing to NCEP Director (July 2014 - pdf)
• Science Quarterly Briefing to NCEP Director (October 2014 - pdf)
• Science Quarterly Briefing to NCEP Director (February 2015 - pdf)


• NCEP Product Suite Review (December 2014 - pdf)
• EMC MEG Meeting Presentation, February 5 2015 - pdf)

• Retrospective experiments (00UTC forecasts only, except for Sandy case)
• Data of Retrospective experiments - ftp access


• 2-y retrospective runs (6/1/2013 - 5/30/2015) -- overall verifications ( with verification metric - map )
• Period one: (5/16 - 10/31/2013, 00UTC forecast only) -- overall verifications ( with significant test )
• Period one: (5/16 - 10/31/2013, 00UTC forecast only) -- CONUS precipitation
• Period one: (6/01 - 8/31/2013, 00UTC forecast only) -- CONUS (and Alaska) surface fields against obs


• Period two: (1/2 - 5/14/2014) -- overall verifications
• Period two: (1/2 - 5/07/2014) -- precipitation only
• Period two: (1/2 - 5/19/2014, 00UTC forecast only) -- CONUS (and Alaska) surface fields against obs


• Summer 2012 -- CONUS precipitation


• Longer period: (5/16/2013 - 6/30/2014) -- overall verifications


• Sandy case retrospective run (September 2014 - pdf)


• Performance of GEFS reforecast (1995-2012 18 years, ensemble control only)(Jan. 2015 - pdf)


• More evaluation statistics will come soon ......
• Comparison of GEFS reforecasts (preliminary results, year by year - Hong Guan )

• Early experiments and background
• Science Discussion (early stage - pdf)
• Preliminary testing with latest configuration (May 2014 - pdf)


• Preliminary testing (w/o STTP tuning) (5/22 - 7/12/2013) -- overall verifications
• Preliminary testing (w/o STTP tuning) (5/22 - 7/12/2013) -- precipitation only

• More information to come
• GEFS Charter (draft version 1.0)
• GEFS Charter (draft version 2.0)


• GEFS legacy run Charter (draft version 1.0)


• GEFS TIN (version 2.0)
• GEFS TIN (draft version 1.0)
• GEFS new products (draft version 1.0)