Table 4. SVM wind correction performance by airport

Airport	Training period (Test period)	RMSEwind		△RMSEwind	Change rate (%)
		KAF-WRF	SVM ver.2
Sacheon	2020-07-01~2020-08-29 (2020-08-30)	2.03	1.38	-0.65	-32
	2023-02-02~2023-03-01 (2023-03-02)	2.95	1.97	-0.98	-33
Gimhae	2022-06-01~2022-06-28 (2022-06-29)	1.67	1.57	-0.1	-6
	2022-11-23~2022-12-22 (2022-12-23)	2.12	2.45	0.33	16
Daegu	2021-01-23~2021-02-21 (2021-02-22)	5.16	3.00	-2.16	-42
	2022-08-19~2022-09-18 (2022-09-19)	3.09	3.16	0.07	2
Gangneung	2022-04-01~2022-05-03 (2022-05-04)	4.01	2.88	-1.13	-28
	2022-09-10~2022-10-09 (2022-10-10)	6.09	3.65	-2.44	-40
Seosan	2022-06-01~2022-06-28 (2022-06-29)	2.74	1.60	-1.14	-42
	2022-08-06~2022-09-05 (2022-09-06)	2.51	1.52	-0.99	-39
Average		3.24	2.32	0.92	-25