Strange bug

[Sjizzle]

i found a strange bug in this game ....
at day time when u have heavy fog your visbility is almost to 0 but when the hight come whoop u can see the stars the moon clean an clear. weater report is fog heavy ...

any1 can make a fix for this one ?

here i have 2 print screens

Day Time
http://www.mediafire.com/convkey/d4f5/pa4ls82l47cvlbrfg.jpg

Night Time same day

http://www.mediafire.com/convkey/0ba4/zcii05d69xj1cc4fg.jpg