def _prepareCoordinates(_dsCoord):
    """
    Loads the longitude and latitude coordinates and trim to match unstaggered velocities
    """
    coord_xt = _dsCoord.variables["glamt"][0, 1:, 1:]
    coord_yt = _dsCoord.variables["gphit"][0, 1:, 1:]
    return coord_xt, coord_yt