The Diagnostic Package for Climate Variability by the NOAA Modeling - PowerPoint PPT Presentation

The Diagnostic Package for Climate Variability by the NOAA Modeling Task Force Jack Chen 1 , Yi-Hung Kuo 2 , Andrew Gettelman 1 , David Neelin 2 , Eric Maloney 3 , Yi Ming 4 1 NCAR 2 UCLA 3 Colorado State University 4 GFDL 1 AMS Annual Meeting 2018/1/9

model diagnostics task force diagnostic package • open source software (python) • community tool for diagnosis of model performance • works across different climate models (facilitate model intercomparison) • main focus on climate variabilities (high-frequency output) • modular coding with high flexibility • produces an html file for easy web browsing AMS Annual Meeting 2018/1/9

two examples top level html lists all diagnostics which have been run only a link for each diagnostic is provided 3 AMS Annual Meeting 2018/1/9

EOF of height at 500 hPa (CAM5) NCEP CAM5 N. Atlantic N. Atlantic NCEP CAM5 N. Pacific N. Pacific 4 AMS Annual Meeting 2018/1/9

diurnal cycle of precipitation (CAM5) JJA DJF 5 AMS Annual Meeting 2018/1/9

diurnal cycle of precipitation (JJA) (CAM5) TRMM CAM5 6 AMS Annual Meeting 2018/1/9

diurnal cycle of precipitation (JJA) (CAM5) TRMM CAM5 7 AMS Annual Meeting 2018/1/9

convection onset diagnostics (CAM5) 8 AMS Annual Meeting 2018/1/9

convection onset diagnostics (CAM5 vs reanalysis) 9 AMS Annual Meeting 2018/1/9

Wheeler-Kiladis wave-spectra (CAM6) NCEP, U200 CAM6, U200 TRMM, CAM6, PRECT PRECT 10 AMS Annual Meeting 2018/1/9

MJO diagnostics (CAM6) CAM6 TRMM 11 AMS Annual Meeting 2018/1/9

MJO diagnostics (CAM6) CAM6 ERA 12 AMS Annual Meeting 2018/1/9

MJO diagnostics (CAM6) ERA CAM6 13 AMS Annual Meeting 2018/1/9

Summary • Goal of this project is to create a user-friendly diagnostic package for diagnosis for climate variabilities of model simulations, using open source software. • A preliminary version of the diagnostic package has been released to the task force in Nov 2017. Additional diagnostics are being implemented. • We expect the diagnostic package to be released to the public later this year. 14 AMS Annual Meeting 2018/1/9