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Old December 17th 06, 04:50 PM posted to uk.sci.weather
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Looks like my 2006 HP High will get smashed next weekend with1045+mb on the
charts

2006 HP 22 Jan 06 1037.7 mb

Phil

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Old December 17th 06, 06:22 PM posted to uk.sci.weather
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Phil Layton wrote:
Looks like my 2006 HP High will get smashed next weekend with1045+mb on the
charts

2006 HP 22 Jan 06 1037.7 mb


Out of interest, what's the highest pressure that's been recorded in
England?

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Old December 18th 06, 02:13 PM posted to uk.sci.weather
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Phil Layton wrote:
Looks like my 2006 HP High will get smashed next weekend with1045+mb
on the charts


"Jonathan Stott" wrote in message
...

Out of interest, what's the highest pressure that's been recorded in
England?


.... we really need Philip Eden or Stephen Burt to sort this out for us,
but I've found the following for December & January (the two months with
the highest mslp BI-wide), so they give a 'flavour' of the sort of
values we might be looking at (but not claiming that these represent
'records' for England):-
December

1962: 1048 mbar North Yorkshire (Leeming?) 23rd

1991: ~1046 mbar Channel/southern England 25th

January

1905: 1052 mbar 'SW Britain' 28th

1932: 'slightly over 1050 mbar' over 'parts of England' 26th: noted at
the time as the highest in the Midlands for over 50 years.

1989: 1045.9 mbar Plymouth (Mount Batten) 30th and 1045.8 mbar Culdrose
(Cornwall); in the London area, 1045 mbar, only 3 mbar away from 40yr
maximum value (for LWC???)

Martin.


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Old December 19th 06, 10:47 AM posted to uk.sci.weather
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"Martin Rowley" wrote:
"Jonathan Stott" wrote :

Out of interest, what's the highest pressure that's been recorded in
England?


... we really need Philip Eden or Stephen Burt to sort this out for us,
but I've found the following for December & January (the two months with
the highest mslp BI-wide), so they give a 'flavour' of the sort of values
we might be looking at (but not claiming that these represent 'records'
for England):-
December

1962: 1048 mbar North Yorkshire (Leeming?) 23rd

1991: ~1046 mbar Channel/southern England 25th

January

1905: 1052 mbar 'SW Britain' 28th

1932: 'slightly over 1050 mbar' over 'parts of England' 26th: noted at the
time as the highest in the Midlands for over 50 years.

1989: 1045.9 mbar Plymouth (Mount Batten) 30th and 1045.8 mbar Culdrose
(Cornwall); in the London area, 1045 mbar, only 3 mbar away from 40yr
maximum value (for LWC???)

Stephen's got a couple of papers coming out shortly in 'Weather' on
extreme pressure values in the British Isles ... I believe he's away
from usenet just at the moment but he'll no doubt answer the
question properly as soon as he's back.

From memory, I think the England record is about 1052-1053mbar
somewhere near the Scottish border in 1902. I'm also aware that
London and the SE is the only part of the UK never (during the
instrumental record) to have reached 1050mbar.

Philip


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Old December 19th 06, 05:53 PM posted to uk.sci.weather
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Guildford 19/12/06 18:48Z
Wind ENE 0.9kt
Temp 2.9°C
Dewpt 2.3°C
Baro 1038.4mb Rising Slowly
Rain 0.0mm

Min 1.2°C at 5:58Z
Max 3.6°C at 14:50Z

LP 1033.4mb at 0:00Z
HP 1038.4mb at 18:44Z

Yearly High Pressure achieved beating

2006 HP 22 Jan 06 1037.7 mb

Phil




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Old December 23rd 06, 07:13 PM posted to uk.sci.weather
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Have you a Scottish figure on record ?

Fred


"Martin Rowley" m wrote in
message ...
Phil Layton wrote:
Looks like my 2006 HP High will get smashed next weekend with1045+mb on
the charts


"Jonathan Stott" wrote in message
...

Out of interest, what's the highest pressure that's been recorded in
England?


... we really need Philip Eden or Stephen Burt to sort this out for us,
but I've found the following for December & January (the two months with
the highest mslp BI-wide), so they give a 'flavour' of the sort of values
we might be looking at (but not claiming that these represent 'records'
for England):-
December

1962: 1048 mbar North Yorkshire (Leeming?) 23rd

1991: ~1046 mbar Channel/southern England 25th

January

1905: 1052 mbar 'SW Britain' 28th

1932: 'slightly over 1050 mbar' over 'parts of England' 26th: noted at the
time as the highest in the Midlands for over 50 years.

1989: 1045.9 mbar Plymouth (Mount Batten) 30th and 1045.8 mbar Culdrose
(Cornwall); in the London area, 1045 mbar, only 3 mbar away from 40yr
maximum value (for LWC???)

Martin.


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and
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Old December 23rd 06, 07:48 PM posted to uk.sci.weather
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"fred" wrote in message
...
Have you a Scottish figure on record ?

Fred

.... I believe that the Scottish record is also still the British Isles
record: I have the following ....

1054.9 mbar at Coupar Angus, Perthshire on 31st January, 1902.

(Quoted by Philip Eden in 2003, from a list prepared by Stephen Burt)

Martin.

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and
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Old December 23rd 06, 10:01 PM posted to uk.sci.weather
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"Martin Rowley" wrote:
"fred" wrote:


Have you a Scottish figure on record ?

... I believe that the Scottish record is also still the British Isles
record: I have the following ....

1054.9 mbar at Coupar Angus, Perthshire on 31st January, 1902.

In advance of his forthcoming papers on extreme pressures,
Stephen Burt has already given us an account of how most
previously published mentions of the UK (and therefore also
the Scottish) record are wrong ... in a Letter to the Editor in
'Weather' for July 2006.

The true record is 1053.3mbar at Aberdeen observatory on
31 January 1902.

Can I commend Stephen's letter as required reading to
all who are interested in the recording of extreme values,
and how errors can be perpetuated by all concerned,
from the Met Office all the way down to your ever
so 'umble servant, for over a century.

Philip


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Old December 23rd 06, 10:17 PM posted to uk.sci.weather
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Default High Pressure


Martin Rowley wrote:
... I believe that the Scottish record is also still the British Isles
record: I have the following ....

1054.9 mbar at Coupar Angus, Perthshire on 31st January, 1902.

(Quoted by Philip Eden in 2003, from a list prepared by Stephen Burt)

Martin.


Tch Martin. And I know you read my note in July's Weather because you
mentioned it in this very newsgroup!

Scottish and British Isles record is 1053.6 mbar at Aberdeen
Observatory at 2200 GMT on 31 January 1902. The record was previously
incorrectly quoted for over 80 years as 1054.7 mbar, owing to the use
of an incorrect conversion value from inches of mercury to millibars.

The England and Wales record is 1053.1 mbar, not as you might expect
somewhere in northern England on the above date, but at Falmouth
Observatory in Cornwall 11h on 28 January 1905.

Highest values on record for the London area (over 200 years record)
are 1049.1 mbar at Kew Observatory at 11h on 18 January 1882, 1048.4
mbar at Greenwich on 9 Jan 1825 and 1048.3 mbar at Camden Square on
28/29 Jan 1905. Within the last 100 years the highest has been 1047.3
mbar at Heathrow at 0900 GMT on 7 February 1964.

Philip is correct - look out for the January and February issues of
Weather for much more information and synoptic descriptions of these
events and other extremes of barometric pressure in the British Isles
and North Atlantic.

Stephen

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Old December 23rd 06, 10:21 PM posted to uk.sci.weather
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"Philip Eden" philipATweatherHYPHENukDOTcom wrote :

The true record is 1053.3mbar at Aberdeen observatory on
31 January 1902.

Whoops ... 1053.6mbar. I can't even copy straight from
the page.

pe




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