06/27←  2025-06-28 CWB twsfc map  →06/29

2025-06-28 00 UTC	2025-06-28 03 UTC
2025-06-28 06 UTC	2025-06-28 09 UTC
2025-06-28 12 UTC	2025-06-28 15 UTC
2025-06-28 18 UTC	2025-06-28 21 UTC