- Wind directionESE (120°) → SSW (202°)
- Ideal speed6–14 mph
- Upper limits≤ 18 mph base · gusts ≤ 22
No site-specific published wind data found for "Sieben Ranch 2." Public databases (siteguide.app, paraglidingEarth) list the main "Sieben Ranch" launch near Wolf Creek/Helena, MT at ~5160 ft as facing W/NW/N. "Sieben Ranch 2" is a separate sub-launch with the opposite SE,S aspect per the paraglidingEarth orientation hint, so the wind window below is INFERRED from that orientation plus general thermal-site knowledge, not from a club/USHPA guide. Ideal arc ~120-200 deg (SE through S), centered on the two working octants (SE ~135, S ~180); marginal cross to ~90 (E) and ~230 (SW). Suggested ideal speed 6-14 mph with a soft base cap ~18 mph and gusts under ~22 mph at a 5000+ ft MSL launch (true airspeeds run higher at altitude, so be conservative). Likely a thermal/soaring site: expect midday/afternoon thermals, possible overdevelopment and lee-side rotor if wind backs to a cross/tailward octant (W/NW). HAZARDS, exact speed limits, LZ, rating, and access are UNVERIFIED — confirm with the Missoula (glidemissoula.org) or Helena/Montana free-flight community and obtain landowner permission (Sieben is private ranch land) before flying.
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