Here is a summary of the latest NWP output for noon on Tuesday. Issued
0600z, Christmas Eve 2004.

The models persist in showing a zonal outlook, albeit with snow at times
over the Scottish mountains.

ECMWF: http://64.246.48.81/pics/Recm1201.gif
Strong westerlies cover the UK, with a low to the NE of Iceland and a high
to the east of the Azores. A secondary low zooms eastwards over the UK at
T+144 to bring WNW'lies and westerlies, followed by further westerlies at
T+168.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
The Met Office run shows zonal westerlies over the UK at T+120 and T+144,
with a trough moving across the UK at T+132.

GFS: http://expert.weatheronline.co.uk/
The UK lies under a westerly flow, with a weak ridge over southern England.
850hPa temperatures vary from -5C over Scotland to +4C over Cornwall. The
winds become WNW'lies at T+144 as a trough moves swiftly eastwards, followed
by WSW'lies as another weak ridge crosses the UK. Westerlies asssociated
with a low to the north affect the UK on day 8, with further westerlies on
days 9 and 10.

GEM: http://www.meteocentre.com/models/glb00_120.html
A large high lies to the east of the Azores and this leads to WSW'lies
across the UK.

GME/DWD:
http://www.wetter.com/home/img/sat/g...240000_120.gif
Unavailable today.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
Strong NW'lies cover the UK, with a trough over the North Sea. The winds
become westerlies at T+144 as a new low deepens to the SW of Iceland,
followed by more westerlies at T+168.

NOGAPS: http://129.13.102.67/wz/pics/ngp10.prp.120.europeg.gif
NOGAPS shows zonal westerlies for the UK, albeit with sub 528dam air over
northern Scotland.

GM CPTEC: http://www.cptec.inpe.br/prevnum/Global126_sx6_Gl.shtml
As with NOGAPS, strong westerlies cover the UK, with a low to the NNW and
the Azores High to the SW.

KMA: http://www.kma.go.kr/kma03/gif/g21nh_smsr_120.gif
The Korean run shows a trough over the UK, bringing westerlies and WSW'lies.