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b2f3098083
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Data-driven algorithm refinements from full dataset analysis
Analyzed 37,925 HRRR-matched contacts from 58,367 total.
- Remove shallow BL bonus (score 82 for HPBL < 300m): data shows
medium BL (1000-2000m) produces longest contacts (222 km avg),
not shallow (210 km). Refractivity fallback now uses default score.
- Refine pressure scoring bins: add <980 mb tier (score 88), steeper
gradient from low to high. Contacts at <970 mb avg 242.7 km vs
184.1 km at 990-1000 mb.
- Update algo.md calibration stats (58,367 contacts, 41M HRRR
profiles, 58,361 terrain profiles) and document dataset bias
(99.5% Aug-Sep).
- Create updates.md with full binned analysis tables for all factors.
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2026-04-07 11:19:43 -05:00 |
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