>John,
>
>I agree that it will either rain or it won't but of course there are time frames to consider too. The probability that it will be raining in 20 seconds is highly dependent on whether it's raing now - it's not 0.5.
>
>That can be extrapolated to longer time frames.
>
>Cheers,
>
>Andrew

I'm aware of all the theory. However, I stand by my assertion that it either is raining/precipitating or not, which makes it one over two. How you get there is not worth arguing over. And, as you have already stated, you don't put much stock in their forcasting capabilities either!*g*