Numerical Studies on Forecast Error Correction of GRAPES Model with Variational Approach

Table 8

Distribution of ratios of RMSE of corrected 24 h forecast of temperature on 500 hPa to the forecast of GRAPES model.

Correction process	0.6–0.7	0.7–0.8	0.8–0.9	0.9–1.0	>1.0
Systematic error	14	92	59	15	6
Nonsystematic error	27	98	44	14	3