    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 = 1,
            temperature = 20,
        }, -- end of season
        type_weather = 0,
        qnh = 760,
        cyclones = 
        {
            [1] = 
            {
                pressure_spread = 400000,
                centerZ = 45000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = 100,
                centerX = -160000,
            }, -- end of [1]
            [2] = 
            {
                pressure_spread = 400000,
                centerZ = 245000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = -400,
                centerX = -160000,
            }, -- end of [2]
            [3] = 
            {
                pressure_spread = 400000,
                centerZ = 445000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = 000,
                centerX = -160000,
            }, -- end of [3]
            [4] = 
            {
                pressure_spread = 400000,
                centerZ = 45000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = 050,
                centerX = 140000,
            }, -- end of [4]
            [5] = 
            {
                pressure_spread = 400000,
                centerZ = 245000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = -500,
                centerX = 140000,
            }, -- end of [5]
            [6] = 
            {
                pressure_spread = 400000,
                centerZ = 445000,
                ellipticity = 0.9,
                rotation = -0.5,
                pressure_excess = 000,
                centerX = 140000,
            }, -- end of [6]
        }, -- end of cyclones
        name = "AdHoc_20",
        fog = 
        {
            thickness = 0,
            visibility = 25,
            density = 7,
        }, -- end of fog
        visibility = 
        {
            distance = 80000,
        }, -- end of visibility
        clouds = 
        {
            thickness = 200,
            density = 0,
            base = 300,
            iprecptns = 0,
        }, -- end of clouds
    } -- end of weather