Format wind details into a spoken word string

def wind(direction: Number,
         speed: Number,
         gust: Number,
         vardir: typing.List[Number] = None,
         unit: str = 'kt') -> str:
    """
    Format wind details into a spoken word string
    """
    unit = SPOKEN_UNITS.get(unit, unit)
    val = translate.wind(direction, speed, gust, vardir, unit,
                         cardinals=False, spoken=True)
    return 'Winds ' + (val or 'unknown')