SREF's WWW page
Selected Cases of the RSM-based NCEP Short-Range Ensemble Forecasting (SREF)
Case 3: Short Wave System at 500mb Level
This case (12Z, 02/28/97) shows that a simple ensemble averaging process can reduce the forecast (48hr) position
of a short wave (trough) at 500mb level from about 900km (Fig. CTL, control forecast) to about 400km (Fig. Mean_r,
ensemble mean) comparing to its analysed position (Fig. ANL). The ensemble mean was calcualted from a 5-member RSM-based
ensemble (with regional bred mode).
This "Regional Ensemble" page is provided and maintained by JUN DU. Please send your comments and
suggestions to him by click here (Jun.Du@noaa.gov).
(Last update: 06/11/1997)