Okay.... I just want to check something with you guys.
Do you have wind smoothing turned on?
If not, before you have FS running or have been using IVAP, (preferably after rebooting your computer) go to "All Programs" on your Start menu. Find the IVAO folder, in there you should find a folder called "IVaP - IVAO Virtual Pilot Client" open that folder and then run the "IVaP - Configuration" program. When this program is running click on the "Weather & Time" tab. At the bottom of the window you will see an option that allows you to select Wind and Visibility smoothing. This will greatly reduce your penalties when flying online. It will not get rid of them altogether, to do this, you need to register your version of FSUIPC and use the weather smoothing options included with that program. (they are far more advanced and allow you to alter the rates at which the weather changes to make it more realistic)
The other thing you could do, is check real world weather enroute like a real pilot would.... (now we are getting advanced!)
http://aviationweather.gov/This is probably the best resource for world aviation weather forecasting. You can check Turbulence, wind, pressure, cloud level and precipitation all over the world from here.
Hope these tips help a little. Enjoy
