Graham McIntire aab3c3736c feat: extend HRRR forecast horizon from 18h to 48h ... HRRR publishes f21-f48 at 3-hourly intervals in addition to the hourly f01-f18 we already fetch. This extends the grid_tasks seed from 19 rows (1 analysis + 18 forecast) to 29 rows (1 analysis + 18 hourly + 10 3-hourly), and bumps the UI forecast window constant from 18h to 48h so the map timeline and path calculator forecast chart automatically show the extended horizon. No Rust logic changes needed — the pipeline is data-driven and u8 forecast_hour already handles f48.		2026-06-10 11:36:58 -05:00
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v1	feat: extend HRRR forecast horizon from 18h to 48h	2026-06-10 11:36:58 -05:00