Here is a summary of the latest NWP output for noon (GMT) on Tuesday. Issued
0436z, 20/04/12.

A trough will affect the UK midweek with rain for most. Thereafter the
outlook remains rather unsettled, with showers possible almost anywhere.

ECMWF: http://www.wetterzentrale.de/pics/Recm1201.gif
Low pressure covers SE England, leading to NE'lies and NNE'lies for the rest
of the UK. The low fills over northern England on day 6, with SW'lies to the
south and NE'lies to the north. By day 7 a shallow low covers the Irish Sea,
leading to NE'lies for Scotland and Northern Ireland and southerlies
elsewhere. On day 8 there are southerlies and SE'lies with a low over the
Celtic Sea, followed by a col and light winds on day 9. Day 10 sees a low to
the south with NE'lies for the UK.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.gif
NE'lies and NNE'lies cover much of the UK due to a low over East Anglia. On
day 6 a col brings light winds for most.

GFS: http://www.wetterzentrale.de/pics/Rtavn1201.png
GFS shows a col over the UK on days 5 and 7, with a trough from the SW on
day 6. This leads to southerlies for England and Wales and NE'lies
elsewhere.

GEM: http://www.wetterzentrale.de/pics/Rgem1201.gif
The Canadian run brings NE'lies for areas north and west of the Midlands
with light winds to the SE.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.gif
The Japanese run shows a low over England and Wales with NE'lies elsewhere.