uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged.

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Old September 20th 06, 01:54 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]

Although much cooler than July, the first eight days of
August were moderately warm and largely dry with sunny
periods. From the 9th until practically the end of the month
August was consistently cloudy, cool by day although
moderately warm by night, and rain fell frequently and
often heavily in the eastern half of the UK.

More is available at:
Charts: http://www.climate-uk.com/monpre/0608.htm
The Monthly Review is at:
http://www.climate-uk.com/monthly/0608.htm
Graphs: http://www.climate-uk.com/graphs/0608.htm and
http://www.climate-uk.com/graphs/200608.htm
Not The Long Range Forecast is at:
http://www.climate-uk.com/page4.html

The mean sea-level chart shows that the Icelandic Low was almost
absent (a residual centre of 1010mbar is centred between SE
Iceland and Faeroes); the main low centres are 1007mbar over
northern Quebec and 1007mbar in the southern Baltic. The Azores
high was (perhaps surprisingly) displaced a little to the NE of its
usual position and was centred 1023mbar at 41N 24W.
1027mbar, but the usual strong ridge to France and central
Europe typical of high summer was weaker than usual. There
was, however, ridging northwards towards Greenland around
long.20-30degW, beneath a strong upper ridge in the same
longitude. A marked upper trough was positioned around
long.20-30degE.

The main features of the sea-level pressure anomaly field
illustrated the displacement of the upper ridge/trough pattern.
with below normal pressure over the eastern seaboard of
North America and in the western Atlantic, above normal
pressure from the Azores to Greenland, and much-below
normal pressure over much of Europe.
The main centres we
+4mbar over mid-Atlantic (59N 29W)
-8mbar over NE Poland/W Belarus
-7mbar near SE of Nova Scotia
+5mbar east of Novaya Zemlya
Over the British Isles pressure anomaly ranged from -1mbar
along the west coast of Ireland to -4mbar along the east
coast of England. The anomalous flow was markedly northerly.

CET (after Manley) 16.3°C (+0.1 degC wrt 1971-2000)
making it the coolest August since 1999 by this measure
CET (after Hadley) 16.1°C (-0.1 degC) making it the equal
coolest (with 1999) since 1998 by this measure

E&W Rain (provisional): 88.5mm (122% of 1971-2000 mean)
wetter than Aug 2005 but not as wet as Aug 2004

E&W Sunshine (prov): 161.9 hr ( 82% of 1971-2000 mean)
making it the dullest August since 1986 ...
(bear in mind strict comparisons cannot be
made since the change from CS recorder to KZ sensor).

CScotT: 15.0°C (+0.3 degC)
ScotRain: 68.9mm ( 99%)
ScotSun: 121.4hr ( 77%)

NIT: 15.1°C (+0.3 degC)
NI Rain: 73.3mm (110%)
NI Sun: 120.5hr ( 74%)

Rainfall totals ranged from 210.2mm at Capel Curig (Snowdonia)
and 200.1mm at Fylingdales (N.Yorks) to 17.7mm at Portland
(Dorset).

Percentages ranged from 310 at Margate (Kent) to 36 at Portland.

Sunshine totals ranged from 255.9hr at Shanklin (IoW) and
241.5hr at Bognor (Sussex), both presumed CS recorders -
to a mere 61.4h at Kirkwall (Orkney) and 64.7h at Stornoway
(W.Isles), both KZ sensors.

Percentages ranged from 106 at Shanklin to just 43 at Stornoway.

(c) Philip Eden




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Old September 20th 06, 02:37 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview


Philip Eden wrote:
[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


Definitely. I read (present tense) them with interest. I rather suspect
that people are too polite to point out, much less complain, when a
voluntarily offered service goes missing.

Martin

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Old September 20th 06, 02:41 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview


"Philip Eden" philipATweatherHYPHENukDOTcom wrote in message
...
[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


.... YES! (Please). I noticed, but knew you were up to your eyes in it,
so thought that it was due to 'pressure of work' that the summary hadn't
appeared. It's also a useful archived product (in the Google database)
for researchers in the future.

Martin.

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Old September 20th 06, 03:14 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

On Wed, 20 Sep 2006 13:54:42 +0100, Philip Eden wrote in


[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


My excuse was I was away for the first 10 days of this month. But I always
look forward to these summaries and, as others have stated, please
continue.

PS I was quite amazed at the info in your final post about August being
above average, with such a strong northerly component.

--
Mike Coleraine 55.13°N 6.69°W posted 20/09/2006 14:14:33 GMT
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Old September 20th 06, 03:20 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

"Mike Tullett" wrote in message
...
On Wed, 20 Sep 2006 13:54:42 +0100, Philip Eden wrote in


[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


My excuse was I was away for the first 10 days of this month. But I

always
look forward to these summaries and, as others have stated, please
continue.


Echoed here and I'm sure there's an awful lot of lurkers on here who
appreciate the summaries.

Jon.




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Old September 20th 06, 03:23 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

On Wed, 20 Sep 2006 13:54:42 +0100, "Philip Eden"
philipATweatherHYPHENukDOTcom wrote:

[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


Yes, please!

--
Alan White
Twenty-eight miles NW of Glasgow, overlooking Lochs Long and Goil in Argyll, Scotland.
Webcam and weather:- http://windycroft.gt-britain.co.uk/weather
Some walks and treks:- http://windycroft.gt-britain.co.uk/walks
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Old September 20th 06, 04:17 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

On Wed, 20 Sep 2006, Jon O'Rourke wrote:

[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


My excuse was I was away for the first 10 days of this month. But I

always
look forward to these summaries and, as others have stated, please
continue.


Echoed here and I'm sure there's an awful lot of lurkers on here who
appreciate the summaries.

Echoed here from a lurker!

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Old September 20th 06, 04:26 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview


"Philip Eden" philipATweatherHYPHENukDOTcom wrote in message
...
[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]

D'acc ... message received and various points taken!
Thanks all.
Philip


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Old September 20th 06, 04:29 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

In message , Philip Eden
writes
[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


Yes please.

Some of us read a lot and say very little.

--
PK
Remove the xtra y from my name in the email address if replying
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Old September 20th 06, 04:33 PM posted to uk.sci.weather
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Default August 2006: Synoptic Overview

Philip Eden wrote:
[I forgot to do this at the turn of the month. Given no-one seems
to have noticed, is it worth me continuing these monthly
reviews in future?]


Definitely! No, I'm afraid I didn't notice, but I always read them with
great interest.

Adrian

--
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Adran Cyfrifiadureg, Prifysgol Cymru, aber.
Aberystwyth, Ceredigion, Cymru ac.
http://users.aber.ac.uk/ais/weather/ uk


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