Here is a summary of the latest NWP output for noon on Thursday. Issued
0537z, 30 July 06.

The models continue to show a NW'ly spell approaching with largely settled
conditions due to the ridge to the west influencing the UK.

ECMWF: http://85.214.49.20/pics/Recm1201.gif
A large area of complex low pressure lies to the east, with a ridge to the
west. Winds are NNW'lies as a result, followed by more of the same at T+144.
The ridge declines at T+168, allowing a mixture of NNW'lies and NW'lies to
affect the UK.

MetO: http://85.214.49.20/pics/Rukm1201.gif
The Met Office run brings a ridge over Ireland with NNW'lies for the UK as a
result. There's little change at T+144, although as the pressure slowly
rises the winds become lighter.

GFS: http://expert.weatheronline.co.uk/pslv_frame.htm
A ridge covers Ireland, with NNW'lies for the UK. The ridge moves eastwards
and declines at T+144, with northerlies or NNW'lies for most areas. The
exception is Northern Ireland, which lies under SSW'lies from an approaching
trough. Day 7 sees the trough move over the Irish Sea, with SW'lies in
advance and WNW'lies following behind.

GEM: http://meteocentre.com/models/glb00_120.html
A col covers the UK with light winds for all.

JMA: http://85.214.49.20/pics/Rjma1201.gif
The Japanese run shows a high moving SE'wards and declining towards the UK.
Winds are NW'lies for all as a result.

NOGAPS: http://85.214.49.20/pics/Rngp1201.gif
NOGAPS brings moderate northerlies across the UK with a ridge to the west
and a low over Germany.

Darren Prescott wrote:
Here is a summary of the latest NWP output for noon on Thursday. Issued
0537z, 30 July 06.

The models continue to show a NW'ly spell approaching with largely settled
conditions due to the ridge to the west influencing the UK.

ECMWF: http://85.214.49.20/pics/Recm1201.gif
A large area of complex low pressure lies to the east, with a ridge to the
west. Winds are NNW'lies as a result, followed by more of the same at T+144.
The ridge declines at T+168, allowing a mixture of NNW'lies and NW'lies to
affect the UK.

I wish I could understand these things. That ridge going up from the
Acores to Scandinaia is labelled HHT. What does that mean?

Weatherlawyer wrote:

I wish I could understand these things. That ridge going up from the
Acores to Scandinaia is labelled HHT. What does that mean?

As it's a German site, my guess is that H = Hoch = High and T = Tief = Low.
--
Steve Loft, Glenlivet. 200m ASL
Weather and webcam:
http://www.livet.org.uk/weather