A Comparative Study on Performance of Analysis Nudging and 3DVAR in Simulation of a Heavy Rainfall Event Using WRF Modeling System

Table 6

RMSE (m s⁻¹) and CC for zonal (u) and meridional (v) wind components of model simulations with respect to upper-air observation at Mumbai (19.1^°N, 72.8^°E) valid at 0000 UTC of 25–27 June 2005.

Date (June 2005)	RMSE						CC
	u (m s^−1)			v (m s^−1)			u			v
	CNTL	NUD	3DV	CNTL	NUD	3DV	CNTL	NUD	3DV	CNTL	NUD	3DV
25	7.16	5.26	2.81	7.97	5.13	3.56	0.48	0.64	0.86	0.35	0.41	0.54
26	9.83	7.48	4.94	8.49	7.24	6.29	0.36	0.42	0.72	0.39	0.48	0.68
27	15.34	11.75	9.70	6.84	5.65	4.07	0.41	0.50	0.81	0.56	0.63	0.88