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I'm no expert, and there are other factors, but the jetstream was pushing 140 knots in places over the weekend in NSW and southern QLD.
(I idly wonder to myself whether wind speed and direction at other altitudes play a role - creating wind shear or other turbulence - I think they probably do).
Last edited by Astro_Bot; 07-07-2014 at 02:10 PM.
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