Recent Changes in the Annual Mean Regional Hadley Circulation and Their Impacts on South America

Table 2

Area averaged root mean square error (RMSE) and bias and spatial correlation coefficient (CC) for the zonal wind (m s⁻¹) at 200 hPa (ZW200) and 850 hPa (ZW850), geopotential height (m) at 500 hPa (GH), and air temperature (K) at 925 hPa (AT) anomalies for HCSA strong cases over the first four regions of Figure 5.

Region	RMSE				BIAS				CC
	ZW200	ZW850	GH	AT	ZW200	ZW850	GH	AT	ZW200	ZW850	GH	AT
1	0.42	0.31	1.52	0.26	0.12	0.12	0.52	−0.10	0.78	0.35	−0.15	0.11
2	0.91	0.18	3.29	0.23	−0.67	0.02	3.18	0.04	0.68	0.50	0.87	0.40
3	0.51	0.19	1.67	0.11	0.39	0.13	1.55	0.06	0.83	0.88	0.98	0.85
4	0.65	0.25	3.13	0.19	−0.11	0.11	2.25	−0.01	0.84	0.73	0.91	0.55