Peter Wooley said:
It could be surprising to some what is achievable on such a “northerly” day. I have launched (not by winch, mind you) to Vic Pk, flown a declared 500km northwards, and finished back above Vic Pk. I nice Diamond Distance, which could include a Diamond Height while hovering at Vic Pk, for some pilot yet to pick those up. And not a difficult task provided you think your moves through first.
The conditions for this weekend, however, is somewhat extreme
Saturday
anabatic warm front - speed 55kts to the SE, frontal distance 689km to the NW, vertical motion 452m/hrs
Surface wind - 40NW, 5000ft 90NW, 10000ft 120 NW, 15000ft 150NW, 20000 ft 190NWWe don't often get it this strong this low!!! and at 26000ft it is a measly 220kph
Wave NIL FORECAST Cloud 2000t - 8000ft 5/8; from 19000ft upwards to 40000ft 5/8
Shear is predicted at 28ms per 4km
Rain is forecast
Severe surface turbulence with moderate to light CAT to 8000ft and again 10 - 12000ft and then at 20 000ft upwards
No thermic
Max 11.4 Dewpoint 8.2 Trigger 12.7 Expect 0.2 ms - .02 ms to 1500ft
Boundary layer energy 0J/kg
Sunday
Anabatic warm front - speed 23kts to E, frontal distance 266km to the West, vertical motion 170m per hour. Rain in 5.2 hours IE 19h20 !?
We also don't often see such strong SW at altitude.
Surface wind - WNW 30, 5000ft w 50, 10000ft WSW 80, 15000ft SW 120, 20000ft SW 170
SEVERE Surface turbulence and strong from 7000ft - 11000ft Windshear remains 28ms per 4km
No rain
Wave - Some wave at 12000 and 19000ft
Cloud 5 - 8/8 from surface to 7000ft!!!
Max 11.8 C Dewpoint 9.3 Trigger 13.2 Expect 0.1 ms - 0.4 ms to 3000 ft
Boundary layer energy 1 j/kg
We will just have to go out and take the opportunities as they present themselves.
Sven
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