Hi

as a follow up for the last weather-scenario update, I have now implemented 
variable winds for the boundary layer.

You now have to fly your aircraft carefully, if you find something like 
28015G35KT 250V300 in your METAR.
Check it out with
fgfs --metar="KSFO 280920Z 36005G15KT 310V040 9999 SCT030 14/07 Q1020" 
start up at KSFO 28R, zoom in to the windsock at your 11 o'clock position and 
watch it dance. No tricks or fancy animations here, it moves due to wind 
changes!


Short functional description:
Once the METAR controller has finished it's wind interpolation toward the 
latest METAR and if there is variable winds defined in the METAR, the wind is 
modulated by a (still somewhat simple) function within the given parameters. 
The modulated wind direction and speed is applied to the boundary layer of 
the atmosphere and directly affects the aircraft and scenery, like wind socks 
or particles (smoke, precipitation etc.). When no gusts or variable winds are 
defined in the METAR, the air is smooth as before.

Enjoy your approaches

Torsten

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