On 10 Sep, 10:28, Dawlish wrote:

No Richard. The technique does not allow that and never has. If it
did, it would point to significant and consistent model accuracy at 10
days and we'd have consistently accurate forecasts from the MetO at 10
days and we don't.

Ahh right. Interesting, but doesn't this mean you're just picking and
choosing when you make a forecast? A bit like betting on the favourite
of a horse race when the odds are less than evens? Yes, I'm playing
devil's advocate here !!

Richard