import math


def vector_from_wind_dir(wind_dir_degree, wind_speed=1.0):
    """
    Return vector given a wind direction and wind speed
    Wind dir = 0.0 -> [0.0,-1.0,0.0]
    Wind dir = 90.0 -> [-1.0,0.0,0.0]

    Wind dir - Meteorological wind direction
    (direction from which wind is blowing)

    u -> Zone Velocity (Towards East)
    v -> Meridional Velocity (Towards North)

    """

    return [
        -wind_speed * math.sin(math.radians(wind_dir_degree)),
        -wind_speed * math.cos(math.radians(wind_dir_degree)),
        0.0,
    ]