iParaglide Right Site Weather: Aug 21

Vancouver, Chilliwack, Bellingham, Seattle, Whistler & Pemberton area paragliding weather forecast based on data available at 0700.

High pressure and end of NE wind aloft,  with a switch to W wind aloft, reducing smoke as day progresses.

YVR 3000 ft winds aloft light and variable, becoming WNW to 28 km/hr mid afternoon.  Valley wind light outflow E to 5 km/hr becoming W inflow to 10 km/hr with sea-breeze arrival. Novice peak lapse rate -1.1C/1000ft.

SEA 3000 ft winds aloft E to 30 km/hr becoming N to 17 km/hr mid afternoon. Valley winds light and variable becoming NW to 10 km/hr. Novice peak lapse rate -2.0C/1000ft. 

iParaglide Right Site Ranking:

1. Paragliding Chilliwack: -2.6C/1000ft intermediate peak lapse rate.  Forecast peak lapse rate is suspect of being higher than actual due to smoke blocking sun and reducing thermal formation.  P2 pilots at Woodside 1000-1400 then watch for increasing W wind aloft and change to P4 advanced conditions and possibly blown out by 1700.  Bridal should be on today 1100-1400 for P2 pilots and then watch for building WNW wind aloft and switch to P4 advanced conditions and possibly blown out by 1700. Chances to paraglide 70% early, 40% late. 

2. Paragliding Pemberton: -2.7C/1000ft intermediate peak lapse rate.  Forecast peak lapse rate is suspect of being higher than actual due to smoke blocking sun and reducing thermal formation. Winds aloft at 3000ft light and variable early, with P2 conditions 1000-1400 then watch for building WNW wind aloft amplifying the arrival "Whistler Express" strong south wind inflow conditions with Advanced to un-flyable blown out conditions. Paragliding chances 70% early, paragliding not recommended post 1400. 

3. Paragliding Bellingham: -1.8 C/1000ft novice peak lapse rate.  Blanchard Mountain may be below wind aloft influence, but watch for possible lee-side conditions.  P4 pilots only if positive flow is confirmed 1100-1800. Paragliding prospects 50%. 

4. Paragliding Vancouver: -1.1C/1000ft novice peak lapse rate.  Grouse for GMFT P4 advanced pilots 1000-1400 then watch for increasing WNW wind aloft and rough conditions. 70% paragliding chances early, 40% late.  

5. Paragliding Whistler: -2.9C/1000ft advanced peak lapse rate. Forecast peak lapse rate is suspect of being higher than actual due to smoke blocking sun and reducing thermal formation. Winds aloft at 3000ft light and variable early, with P2 conditions 1000-1400 then watch for building WNW wind aloft with advanced to un-flyable blown out conditions. Whistler team P4 advanced pilots 0900-1400. Paragliding chances 70% early, paragliding not recommended post 1400. 

6. Paragliding Seattle: -2.0C/1000ft novice peak lapse rate. Strong E wind aloft becoming North by mid afternoon, places Tiger in lee-side. Paragliding not recommended at Tiger today.