The Subseasonal Experiment (SubX)

SubX Reforecast

Ensemble Prediction System GEFS
Model Core GSM
Reforecast Period 1999-2016
Reforecast Frequency Every Wednesday (00z)
Ensemble Size 11 members (1 control and 10 perturbations)
Forecast Length 35 days
Resolution T574L64 (0-192hrs); T382L64 (192-840hrs)
SST CFSv2 bias-corrected predicted daily SST
Convection Physics Updated Convection Scheme (Han et al. 2017)
Stochastic Physics SPPT+SKEB+SHUM
SPPT of the lowest 4 model levels are tapered
Initial Conditions 199901-201012: CFSR+BV-ETR
201101-201511: GSI+BV-ETR
201512-201612: GSI+EnKF