Fig. 3. Rms vector wind error for 3-day forecasts in the tropics (20S-20N) for the 200- and 850 hPa levels, for forecasts verifying 17 Aug-6 Dec, 2000. MRF(black) is operational model, Y(green) is new model, EC(red) is ECMWF model. Inset shows averages for these models and for FNOC and UKMO models.