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Old April 4th 04, 06:02 AM posted to uk.sci.weather
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Default Today's analysis (4th April)

Here is a summary of the latest NWP output for noon on Thursday. Issued
0601z, 4/04/04.

ECMWF: http://www.wetterzentrale.de/pics/Recm1201.html
Northerlies and NW'lies cover the UK, with a ridge from a high to the west
over Scotland. The ridge moves SE'wards at T+144, allowing NW'lies to cover
all areas. The winds become NNW'lies at T+168 as another ridge forms to the
NW.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
The Met Office run shows NNW'lies over the UK at both T+120 and T+144, with
a large high to the west.

GFS: http://64.246.48.81/pics/Rtavn1201.gif
The UK lies under NW'lies from a large high to the west, with 850hPa
temperatures varying from -4C over Kent to freezing over NW Scotland. The
winds become northerlies at T+144 as the Greenland High ridges southwards.
The northerlies continue at T+168, but by day 8 the winds are NNW'lies for
most as a ridge sinks SE'wards towards the UK. The ridge declines over the
UK on day 9, bringing NW'lies for all. By day 10 a deep low lies over the
North Sea, with strong cycloninc NNE'lies, NW'lies and westerlies for the
UK.

GEM: http://www.meteocentre.com/models/glb00_120.html
As with the other runs, the UK lies under winds fom a northerly quarter,
with NW'lies for Scotland and northerlies or NNE'lies elsewhere. High
pressure is located to the west and it declines in situ at T+144; this leads
to lighter northerlies across the UK.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
The Japanese run shows a ridge over the UK, with NNW'lies for most. 850hPa
temperatures vary from -5C over much of Scotland to -3C over SW England. The
winds become westerlies and WNW'lies as the ridge sinks SE'wards at T+144,
followed by westerlies at T+168 as a filling low moves southwards over the
Faroes. The low deepens again over Scotland on day 8, bringing westerlies
for much of the UK.

In summary, the models persist in showing a cold spell, with a blocking high
to the west steering depressions around the top and down across the North
Sea or Scandinavia. The GFS run in particular shows the cold spell to be
prolonged, with the UK mainly affected by winds from a northerly quarter all
the way out to day 14.


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Old April 4th 04, 07:34 AM posted to uk.sci.weather
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Posts: 121
Default Today's analysis (4th April)

Are cool wet Aprils often followed by cool wet summers?

Shaun Pudwell.

"Darren Prescott" wrote in message
...
Here is a summary of the latest NWP output for noon on Thursday. Issued
0601z, 4/04/04.

ECMWF: http://www.wetterzentrale.de/pics/Recm1201.html
Northerlies and NW'lies cover the UK, with a ridge from a high to the west
over Scotland. The ridge moves SE'wards at T+144, allowing NW'lies to

cover
all areas. The winds become NNW'lies at T+168 as another ridge forms to

the
NW.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
The Met Office run shows NNW'lies over the UK at both T+120 and T+144,

with
a large high to the west.

GFS: http://64.246.48.81/pics/Rtavn1201.gif
The UK lies under NW'lies from a large high to the west, with 850hPa
temperatures varying from -4C over Kent to freezing over NW Scotland. The
winds become northerlies at T+144 as the Greenland High ridges southwards.
The northerlies continue at T+168, but by day 8 the winds are NNW'lies for
most as a ridge sinks SE'wards towards the UK. The ridge declines over the
UK on day 9, bringing NW'lies for all. By day 10 a deep low lies over the
North Sea, with strong cycloninc NNE'lies, NW'lies and westerlies for the
UK.

GEM: http://www.meteocentre.com/models/glb00_120.html
As with the other runs, the UK lies under winds fom a northerly quarter,
with NW'lies for Scotland and northerlies or NNE'lies elsewhere. High
pressure is located to the west and it declines in situ at T+144; this

leads
to lighter northerlies across the UK.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
The Japanese run shows a ridge over the UK, with NNW'lies for most. 850hPa
temperatures vary from -5C over much of Scotland to -3C over SW England.

The
winds become westerlies and WNW'lies as the ridge sinks SE'wards at T+144,
followed by westerlies at T+168 as a filling low moves southwards over the
Faroes. The low deepens again over Scotland on day 8, bringing westerlies
for much of the UK.

In summary, the models persist in showing a cold spell, with a blocking

high
to the west steering depressions around the top and down across the North
Sea or Scandinavia. The GFS run in particular shows the cold spell to be
prolonged, with the UK mainly affected by winds from a northerly quarter

all
the way out to day 14.




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Old April 4th 04, 10:40 AM posted to uk.sci.weather
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First recorded activity by Weather-Banter: Dec 2003
Posts: 149
Default Today's analysis (4th April)

Not if 1975 and 1983 were anything to go by.

--
Pete

Please take my dog out twice to e-mail

---------------------------------------------------------------
The views expressed above are entirely those of the writer and
do not represent the views, policy or understanding of any
other person or official body.
---------------------------------------------------------------

"Shaun Pudwell" wrote in message
...
Are cool wet Aprils often followed by cool wet summers?

Shaun Pudwell.

"Darren Prescott" wrote in message
...
Here is a summary of the latest NWP output for noon on Thursday. Issued
0601z, 4/04/04.

ECMWF: http://www.wetterzentrale.de/pics/Recm1201.html
Northerlies and NW'lies cover the UK, with a ridge from a high to the

west
over Scotland. The ridge moves SE'wards at T+144, allowing NW'lies to

cover
all areas. The winds become NNW'lies at T+168 as another ridge forms to

the
NW.

MetO: http://www.wetterzentrale.de/pics/Rukm1201.html
The Met Office run shows NNW'lies over the UK at both T+120 and T+144,

with
a large high to the west.

GFS: http://64.246.48.81/pics/Rtavn1201.gif
The UK lies under NW'lies from a large high to the west, with 850hPa
temperatures varying from -4C over Kent to freezing over NW Scotland.

The
winds become northerlies at T+144 as the Greenland High ridges

southwards.
The northerlies continue at T+168, but by day 8 the winds are NNW'lies

for
most as a ridge sinks SE'wards towards the UK. The ridge declines over

the
UK on day 9, bringing NW'lies for all. By day 10 a deep low lies over

the
North Sea, with strong cycloninc NNE'lies, NW'lies and westerlies for

the
UK.

GEM: http://www.meteocentre.com/models/glb00_120.html
As with the other runs, the UK lies under winds fom a northerly quarter,
with NW'lies for Scotland and northerlies or NNE'lies elsewhere. High
pressure is located to the west and it declines in situ at T+144; this

leads
to lighter northerlies across the UK.

JMA: http://www.wetterzentrale.de/pics/Rjma1201.html
The Japanese run shows a ridge over the UK, with NNW'lies for most.

850hPa
temperatures vary from -5C over much of Scotland to -3C over SW England.

The
winds become westerlies and WNW'lies as the ridge sinks SE'wards at

T+144,
followed by westerlies at T+168 as a filling low moves southwards over

the
Faroes. The low deepens again over Scotland on day 8, bringing

westerlies
for much of the UK.

In summary, the models persist in showing a cold spell, with a blocking

high
to the west steering depressions around the top and down across the

North
Sea or Scandinavia. The GFS run in particular shows the cold spell to be
prolonged, with the UK mainly affected by winds from a northerly quarter

all
the way out to day 14.





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Old April 4th 04, 12:54 PM posted to uk.sci.weather
Col Col is offline
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Posts: 1,165
Default Today's analysis (4th April)


"Pete B" wrote in message
...
Not if 1975 and 1983 were anything to go by.


And I recall April 1989 as being very cool and wet as well.

Col
--
Bolton, Lancashire.
160m asl.
http://www.reddwarfer.btinternet.co.uk


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