Note: I've to leave early today, hence this shorter analysis. Normal service
will be resumed tomorrow.

Here is a summary of the latest NWP output for noon (GMT) on Saturday.
Issued 0519, 24th February 2009.

The end of the weekend will see SW'lies across the UK, with a risk of rain
anywhere. The rain is likely to be heavier in the north and west. There's
likely to be further rain at times into next week as further troughs move
eastwards.

ECMWF: http://expert.weatheronline.co.uk/da...mwf/ecmwf.html
ECM has SW'lies for all, with a trough to the west and a low to the WNW.
There's little change on day 6, but by day 7 winds become westerlies and
WSW'lies as a weak ridge moves eastwards.

MetO: http://expert.weatheronline.co.uk/da...ukmo/pslv.html
As with ECM, SW'lies cover the UK - this time with low pressure to the
north. Westerlies cover the UK on day 7.

GFS: http://expert.weatheronline.co.uk/pslv_frame.htm
SW'lies cover the UK, with a low to the north. The winds become WSW'lies on
day 6 as a trough moves eastwards, followed by further westerlies on day 7.

GEM: http://expert.weatheronline.co.uk/da.../gem/pslv.html
The Canadian run shows SW'lies for all, with complex low pressure to the NW.

JMA: http://85.214.49.20/pics/Rjma1201.gif
The Japanese model shows SSW'lies due to a trough to the west.