07/04←  2025-07-05 CWB twsfc map  →07/06

2025-07-05 00 UTC	2025-07-05 03 UTC
2025-07-05 06 UTC	2025-07-05 09 UTC
2025-07-05 12 UTC	2025-07-05 15 UTC
2025-07-05 18 UTC	2025-07-05 21 UTC