06/10←  2025-06-11 CWB twsfc map  →06/12

2025-06-11 00 UTC	2025-06-11 03 UTC
2025-06-11 06 UTC	2025-06-11 09 UTC
2025-06-11 12 UTC	2025-06-11 15 UTC
2025-06-11 18 UTC	2025-06-11 21 UTC