- Wind directionE (80°) → SSE (160°)
- Ideal speed7–15 mph
- Upper limits≤ 18 mph base · gusts ≤ 22
No documented site guide, USHPA chapter page, paraglidingEarth entry, XContest record, or pilot report could be found for "Bob's Upper Lip" by that name. The coordinates (43.6159, -115.888, ~4449 ft MSL) place it in central Idaho's South Fork Boise River / Featherville area, southwest of the Sun Valley flying region. All direction, speed, and gust figures below are INFERRED from the paraglidingEarth orientation hint (workable octants N, NE, E, SE, S, SW) plus general low-elevation Idaho mountain-launch knowledge, NOT from a site-specific source. Ideal arc set to the contiguous core of the workable span (E through SE, ~80-160 deg); marginal arc covers the wider workable span edges (NE ~20 through SW ~247). West/NW (roughly 248-337 deg) is the likely backside/lee — expect rotor and dangerous lee-side flying from those directions. Inferred speeds are conservative typical thermal-site ranges: launch in roughly 7-15 mph, top out near 18 mph base with gusts under ~22 mph. As an inland Idaho site at moderate elevation, expect strong midday thermic cycles and possible valley/anabatic flow — best smooth windows are typically morning or late-afternoon glass-off; midday can be overdeveloped and turbulent. Rating/access unknown; treat as unverified and confirm conditions, rules, and exact launch orientation with the local club or pilots before flying.
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