I'm finding 'them' useful in visualising how the pressure-blocks are likely to move, and how the wind-changes are likely to affect my sailing. They link my 'old style' understanding with your new wind-stream style of presentation.

@ivo

Found an area where the 'click here for spot weather' feature does not function. It seems to cover a sector just east and just west of the islands of New Zealand. Further east, it does function.