Numerical Simulation of Near-Surface Wind during a Severe Wind Event in a Complex Terrain by Multisource Data Assimilation and Dynamic Downscaling

Table 2

Statistic results of near-surface wind speed simulations in different experiments averaged for the three wind towers.

		WRF	WRF + 3DVAR	WRF + 3DVAR + CALMET
The severe wind period (0000 UTC 21 Oct to 0800 UTC 22 Oct)	IA	0.37	0.32	0.33
	MRE (%)	10.70	8.03	7.87
	RMSE (m s^−1)	2.13	1.86	1.82
The severe wind decay period (0800 UTC 22 Oct to 2200 UTC 22 Oct)	IA	0.72	0.83	0.84
	MRE (%)	64.76	51.90	51.24
	RMSE (m s^−1)	5.48	4.51	4.44
The weak wind period (2200 UTC 22 Oct to 1200 UTC 23 Oct)	IA	0.18	0.20	0.20
	MRE (%)	192.03	151.24	149.26
	RMSE (m s^−1)	7.93	6.30	6.20
The whole simulation period (0000 UTC 21 Oct to 1200 UTC 23 Oct)	IA	0.72	0.83	0.84
	MRE (%)	64.75	51.89	51.24
	RMSE (m s^−1)	5.48	4.51	4.44