06/29←  2025-06-30 CWB twsfc map  →07/01

2025-06-30 00 UTC	2025-06-30 03 UTC
2025-06-30 06 UTC	2025-06-30 09 UTC
2025-06-30 12 UTC	2025-06-30 15 UTC
2025-06-30 18 UTC	2025-06-30 21 UTC