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Old July 28th 05, 06:59 AM posted to uk.sci.weather
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Default Today's model interpretation (28/07/05)

Here is a summary of the latest NWP output for 12z on Monday. Issued 0559z,
28/07/05.

The models show a north/south split to start next week, with stronger winds
the further north you are due to a nearby low. The models then show a trough
from the low crossing the UK, with cooler westerlies as a result. Beyond
that both GEM and GFS go for a NW'ly spell as pressure rises to the west.

ECMWF: http://64.246.48.81/pics/Recm1201.gif
SW'lies and WSW'lies cover the UK, with low pressure to the NW and a ridge
over southern England and Wales. A trough moves eastwards over Scotland at
T+144, bringing strong to gale force westerklies there and lighter
westerlies elsewhere. A ridge builds over England, Ireland and Wales to
bring light winds for most at T+168 - the exception is Scotland which lies
under westerlies.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
High pressure lies to the south and SE, leading to SW'lies across the UK.
The winds become lighter at T+144 as a trough moves over Ireland.

GFS: http://expert.weatheronline.co.uk/pslv_frame.htm
As with MetO, SW'lies cover the UK due to a low to the NW and a high to the
ESE. 850hPa temperatures vary from +6C over NW Scotland to +9C over SW
England. The low moves eastwards at T+144, bringing a trough and westerlies
for the UK. The winds become westerlies and WNW'lies as the low continues
moving eastwards at T+168 and by day 8 the UK lies under NW'lies. A ridge
moves eastwards on day 9, maintaining NW'lies over the UK. By day 10 the
ridge moves swiftly SE'wards, introducing westerlies and SW'lies across the
UK.

GEM: http://www.meteocentre.com/models/glb00_120.html
The UK lies under WSW'lies, this time with a high to the south and a low to
the north. The high builds at T+144, bringing lighter westerlies for England
and Wales; elsewhere winds remain moderate westerlies.

GME/DWD:
http://www.wetter.com/home/img/sat/g...270000_144.gif
Westerlies cover the UK, again due to a low to the NNW and a high to the
south. There's little change at T+144, although winds fall light over
southernmost areas as the high moves slowly ENE'wards.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
England and Wales lie under a ridge, whereas Scotland and Northern Ireland
are affected by SW'lies from a low to the NW. The low moves ENE'wards at
T+144, bringing a trough and westerlies across the UK.

NOGAPS: http://wetterzentrale.com/pics/Rngp1201.gif
NOGAPS, as with most of the other runs, shows the UK between a low to the NW
and a high to the south and SE. Strong SW'lies cover much of the UK,
although the high is close enough to southern England to bring light winds
there. A trough moves eastwards at T+144 with westerlies in its wake.

KMA: http://www.kma.go.kr/kma03/gif/g21nh_smsr_120.gif
The Korean model shows a ridge over much of England and Wales with
westerlies elsewhere.



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