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Old July 22nd 05, 06:58 AM posted to uk.sci.weather
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Default Today's model interpretation (22/07/05)

Here is a summary of the latest NWP output for 12z on Tuesday. Issued 0555z,
22/07/05.

The models continue to show high pressure close to Iceland and southerly
tracking lows affecting the UK. There's still a fair difference between the
runs regarding the track of the lows, but for once it's looking like
southern areas will see more rain than northern areas. Once again things are
looking close to slightly below average for the south, with quite cool /
cold conditions likely the further north you are.

ECMWF: http://64.246.48.81/pics/Recm1201.gif
Northerlies cover the UK due to a high to the WNW and a low to the NE. A
ridge sinks southwards across the UK at T+144, bringing northerlies and
easterlies, followed by easterlies and NW'lies at T+168 as low pressure
forms over France.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
High pressure extends northwards from north of the Azores to Greenland,
leading to northerlies and NW'lies over the UK.

GFS: http://expert.weatheronline.co.uk/pslv_frame.htm
A col covers the UK with light winds for all. 850hPa temperatures vary from
+2C over NE Scotland to +8C over southern England. Low pressure fills over
the Low Countries at T+144, bringing NE'lies across the UK. The winds become
northerlies on day 7 as pressure rises to the west, followed by further
northerlies on day 8. Day 9 sees the high ridge over the UK, with lighter
northerlies and NE'lies. By day 10 the UK lies under light winds as the high
moves over Scotland.
Ensembles: http://217.160.75.104/pics/MT8_London_ens.png
The ensembles show 850hPa temperatures around average until 26th, followed
by a split between relatively warm and relatively cool runs. By the end of
next week the runs agree on a cool spell.

GEM: http://www.meteocentre.com/models/glb00_120.html
The Canadian run shows northerlies and NNW'lies with a high to the west. The
high moves slowly eastwards at T+144 with further northerlies across the UK.

GME/DWD:
http://www.wetter.com/home/img/sat/g...220000_120.gif
Wales lies under low pressure, leading to southerlies for much of England
and easterlies or NE'lies elsewhere. NE'lies cover the whole of the UK at
T+144 as the low moves slowly eastwards.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
Light and variable winds cover England and Wales due to a col, followed by
easterlies and NE'lies at T+144 as a trough moves northwards over England
and Wales.

NOGAPS: http://wetterzentrale.com/pics/Rngp1201.gif
NOGAPS shows lows to the NE and SW with the UK sandwiched between the two.
Winds are light over NE England, Scotland and Ireland, with SE'lies and
easterlies elsewhere. Easterlies and NE'lies cover the UK at T+144 as the
low to the SW fills and moves slowly NE'wards.

KMA: http://www.kma.go.kr/kma03/gif/g21nh_smsr_120.gif
The Korean model also shows lows to the SW and NE, this time with light
winds across the UK.



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