07/02←  2025-07-03 CWB twsfc map  →07/04

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