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Old October 20th 03, 07:46 PM posted to uk.sci.weather
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Default 12Z Model Summary - Monday 20th October 2003

Charts analysed are for T+96 hours - 12Z Friday 24th October 2003
unless stated.

UKMetO:
SLP: http://www.wetterzentrale.com/pics/Rukm961.html
High pressure (1035mb) lies to the west of the UK in the Atlantic and
ridges northeastwards towards Greenland and Iceland. Low pressure
(1000mb) to the northeast of Scandinavia with another low (1005mb)
over Portugual. Winds across the UK are light northerlies. Most parts
will be mainly dry and bright, with only coastal showers. Temperatures
will be close to or below normal in many parts, with night frosts.
Beyond this conditions turn milder from the northwest, with the south
staying settled whilst the north turns windy with showers or rain
later next weekend.

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 (1035mb) lies to the west of the UK in the Atlantic and
ridges northeastwards towards Greenland, where another high (1035mb)
lies. Low pressure (995mb) lies to the northeast of Scandinavia, with
a another low (1005mb) over Spain. Winds across the UK are mostly
light to moderate northerlies. Many parts will be mainly dry with
coastal showers persisting. 850hPa temperatures are close to -5C
across the country. Forecast 2m temperatures range from +7C in the
north to +10C in the far southwest, with night frosts. Beyond this
conditions gradually turn milder from the west and continuing rather
showery in the north, but drier to the south.

DWD:
SLP: http://www.wetter.com/home/img/sat/g...201200_096.gif
Not available at time of writing - I shan't be here when it is.

NOGAPS:
SLP: http://www.wetterzentrale.com/pics/Rngp961.html
850hPa Temperatu http://www.wetterzentrale.com/pics/Rngp962.html
Not available at time of writing - I shan't be here when it is.

JMA:
SLP: http://www.wetterzentrale.com/pics/Rjma961.html
850hPa Temperatures: http://www.wetterzentrale.com/pics/Rjma962.html
Not available at time of writing - I shan't be here when it is.

Canadian – T+72 hours for THURSDAY:
All charts: http://weatheroffice.ec.gc.ca/data/m...ast/478_50.gif
High pressure (1036mb) lies in the Atlantic to the west of the UK and
ridges towards Greenland. Low pressure lies close to the southeast of
the country over Europe. The UK lies under moderate northeasterly
winds. Most areas will see a mix of sunshine and showers, wintry over
the northern hills, with the driest and sunniest weather in the
northwest. Daytime temperatures will be close to or just below normal
in most areas - with night frosts.

Summary:
Apologies for the rather short summary tonight. A sign of a change as
we head through next weekend as milder air is pumped around the top of
the Atlantic high and into the UK. Many southern areas will turn
mostly settled over the weekend under a ridge from the Atlantic high,
whilst the northwest continues rather more unsettled. After a chilly
start with night frosts, expect temperatures to recover back to
normal, or perhaps even above normal by early next week.
 
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