06/26←  2025-06-27 CWB twsfc map  →06/28

2025-06-27 00 UTC	2025-06-27 03 UTC
2025-06-27 06 UTC	2025-06-27 09 UTC
2025-06-27 12 UTC	2025-06-27 15 UTC
2025-06-27 18 UTC	2025-06-27 21 UTC