06/21←  2025-06-22 CWB twsfc map  →06/23

2025-06-22 00 UTC	2025-06-22 03 UTC
2025-06-22 06 UTC	2025-06-22 09 UTC
2025-06-22 12 UTC	2025-06-22 15 UTC
2025-06-22 18 UTC	2025-06-22 21 UTC