vdata = 
{
    atmosphere_type = 1,
    wind = 
    {
        at8000 = 
        {
            speed = 0,
            dir = 0,
        }, -- end of at8000
        atGround = 
        {
            speed = 0,
            dir = 0,
        }, -- end of atGround
        at2000 = 
        {
            speed = 0,
            dir = 0,
        }, -- end of at2000
    }, -- end of wind
    enable_fog = false,
    turbulence = 
    {
        at8000 = 0,
        atGround = 0,
        at2000 = 0,
    }, -- end of turbulence
    season = 
    {
        iseason = 4,
        temperature = 5,
    }, -- end of season
    qnh = 760,
    cyclones = 
    {
        [1] = 
        {
            pressure_spread = 100000,
            centerZ = 600000,
            groupId = 1031,
            ellipticity = 1.5,
            rotation = 0.5,
            pressure_excess = -300,
            centerX = -250000,
        }, -- end of [1]
        [2] = 
        {
            pressure_spread = 500000,
            centerZ = 500000,
            groupId = 1033,
            ellipticity = 1.5,
            rotation = 0.5,
            pressure_excess = -1000,
            centerX = -100000,
        }, -- end of [2]
    }, -- end of cyclones
    name = "Winter, clean sky",
    fog = 
    {
        thickness = 0,
        visibility = 25,
        density = 7,
    }, -- end of fog
    visibility = 
    {
        distance = 80000,
    }, -- end of visibility
    clouds = 
    {
        thickness = 0,
        density = 0,
        base = 0,
        iprecptns = 0,
    }, -- end of clouds
} -- end of vdata
