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Old November 29th 03, 09:12 PM posted to uk.sci.weather
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Default 12Z Model Summary - Saturday 29th November 2003

Charts analysed are for T+96 hours - 12Z Wednesday 03rd December 2003
unless stated.

UKMetO:
SLP: http://www.wetterzentrale.com/pics/Rukm961.html
High pressure (1030mb) lies in the Atlantic, with another large high
(1035mb) over Russia, which ridge across the UK. Low pressure (1010mb)
lies in the Western Med. with other lows towards Greenland. Winds
across the country are mostly light and variable. Many parts will be
mainly dry with sunny spells, but overnight fog and frost are
possible. Temperatures will be close to normal. As we head through to
the end of the week pressure remains high across the country, bringing
settled conditions but with fog a possible problem.

GFS:
SLP: http://www.wetterzentrale.com/pics/Rtavn961.html
850hPa Temperatures: http://www.wetterzentrale.com/pics/Rtavn962.html
2m Temperatures: http://www.wetterzentrale.com/pics/Rtavn965.html
High pressure (1030mb) is centred in the Atlantic, with another high
(1035mb) over Russia, with a strong ridge across the UK. Low pressure
(1005mb) lies over Northern Spain, with other lows towards Greenland.
Winds across the UK are light to moderate east/northeasterlies in the
south, but light and variable elsewhere. Most southern parts will see
any showers dying away then joining the rest of the country in
becoming settled with overnight fog/ and perhaps frost. 850hPa
temperatures are close to +5C in many areas. Forecast 2m temperatures
are generally around 9C or 10C. Beyond this high pressure settles to
the east of the UK, and draws in rather mild south/southeasterly
winds.

DWD:
SLP: http://www.wetter.com/home/img/sat/g...291200_096.gif
High pressure (1030mb) lies in the Atlantic, with another centre close
to Scotland, and another high (1035mb) over Russia. Low pressure
(1010mb) lies in the Bay of Biscay. Winds across the UK are mostly
light and from a easterly direction. Any showers in the shower will
gradually die out as all parts become fine and dry. Temperatures will
be close to normal in many parts. Beyond this high pressure settles to
the east of the UK and feeds in rather mild south/southeasterly winds.

NOGAPS:
SLP: http://www.wetterzentrale.com/pics/Rngp1201.html
850hPa Temperatu http://www.wetterzentrale.com/pics/Rngp1202.html
T+96 charts unavailable so T+120 charts analysed.
High pressure (1035mb) lies over Southern Britain. Low pressure
(1010mb) lies in the western Med. with another low (965mb) to the east
of Greenland. Winds across the UK are light to moderate
west/southwesterlies in the north, and light and variable in the
south. Many parts will be dry and settled with overnight fog a
possible problem in the south. 850hPa temperatures are close to +5C in
many areas. Temperatures will be close to normal. Beyond this there is
little change with high pressure close by.

JMA:
SLP: http://www.wetterzentrale.com/pics/Rjma961.html
850hPa Temperatures: http://www.wetterzentrale.com/pics/Rjma962.html
High pressure (1035mb) lies in the Atlantic, with another large high
(1035mb) centred over Russia, and a strong ridge across Britain. Low
pressure (1005mb) lies in the western Med. with other lows centred
towards Greenland. Winds across the UK are light and variable. Many
areas will be mainly dry and fine, but with overnight fog/frost
possible. 850hPa temperatures are close to +5C in most areas.
Temperatures will be close to normal in many parts. Beyond this high
pressure settles to the east of the UK and feeds in rather mild
south/southeasterly winds.

Canadian – T+72 hours for TUESDAY:
All charts: http://weatheroffice.ec.gc.ca/data/m...ast/478_50.gif
Low pressure (1003mb) lies close to Northern France. High pressure
(1033mb) lies in the Atlantic. Winds across the UK are light to
moderate northeasterlies. Most parts will see rain or showers, with
the driest weather in the northwest. Temperatures will be close to
normal.

Summary:
High pressure looks set to build in across the UK during the midweek
period bringing a spell of settled weather for all parts, but with
overnight fog and frost possible. As we go towards next weekend, this
high looks set to sit to the east of the UK and feeds in rather mild
south/southeasterly winds but keeping most parts settled.

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