In article , Sacha wrote:
On 2012-04-20 17:34:00 +0100, Janet Tweedy said:

I see May is forecast to be the coldest on record since 18 year dot.
Snow wind and old on East side mainly.

Being blamed on Gulf Stream by the look of it...
OTOH they have been wrong before !

I just don't understand this 'prediction' stuff. From what I've
seen/read/heard the absolutely stretched utmost is 5 days and that's
pushing it, especially on an island! ...

You can do a bit better, but the probability of being right drops
off fast. However, the medium-term forecasts are little better than
guesswork.


Regards,
Nick Maclaren.