I have been trying FSX again but I an thinking on giving up with it as I cannot get any satisfaction with the weather, I have used AS 6.5, AS advanced and now AS Evolution even used Real world weather from Jefferson all with the same results, overspeeds due to crazy wind shifts, I have even used the wind smoothing in FSUIPC with no success, the only successful flight was when I setup the weather using user defined weather which is not the best way (not realistic). Has anyone had any success with the weather in FSX, I believe the same issue exists with the REX software. I don't know if this is a simconnect issue or the weather engine in FSX as all the weather programmes work fine in FS9.