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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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#1
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It looks like it'll have lots of cloud mixed up in it - so I guess we
can look forward to a week or so of 8c/6c temperature ranges and gloom. Lovely ![]() |
#2
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![]() "Chris" wrote in message ... It looks like it'll have lots of cloud mixed up in it - so I guess we can look forward to a week or so of 8c/6c temperature ranges and gloom. Lovely ![]() Yep! |
#3
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![]() "Trevor" wrote in message . com... "Chris" wrote in message ... It looks like it'll have lots of cloud mixed up in it - so I guess we can look forward to a week or so of 8c/6c temperature ranges and gloom. Lovely ![]() Yep! Don't you not think that with a high of 1040 hPa and high contour values that will lead to strong subsidence which will tend to lower the subsidence inversion so that low cloud will disperse? Also do you not think that as the high retrogresses (moves west) then a cooler (and clearer) northwesterly flow perhaps later veering northerly could become established ? Initially it may have a lot of cloud but there's plenty of reasons why it won't persist? Also it is not clear that the air in the south will have much Atlantic origin could be quite a lot of drier continental air mixed in in a light SE or even E drift? Will. -- " Ah yet another day to enjoy " ------------------------------------------------------------------------------- A COL BH site in East Dartmoor at Haytor, Devon 310m asl (1017 feet). mailto: www: http://www.lyneside.demon.co.uk/Hayt...antage_Pro.htm DISCLAIMER - All views and opinions expressed by myself are personal and do not necessarily represent those of my employer. ------------------------------------------------------------------------------- |
#4
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Will Hand wrote:
"Trevor" wrote in message . com... "Chris" wrote in message ... It looks like it'll have lots of cloud mixed up in it - so I guess we can look forward to a week or so of 8c/6c temperature ranges and gloom. Lovely ![]() Yep! Don't you not think that with a high of 1040 hPa and high contour values that will lead to strong subsidence which will tend to lower the subsidence inversion so that low cloud will disperse? Also do you not think that as the high retrogresses (moves west) then a cooler (and clearer) northwesterly flow perhaps later veering northerly could become established ? Initially it may have a lot of cloud but there's plenty of reasons why it won't persist? Also it is not clear that the air in the south will have much Atlantic origin could be quite a lot of drier continental air mixed in in a light SE or even E drift? Will. -- " Ah yet another day to enjoy " ------------------------------------------------------------------------------- A COL BH site in East Dartmoor at Haytor, Devon 310m asl (1017 feet). mailto: www: http://www.lyneside.demon.co.uk/Hayt...antage_Pro.htm DISCLAIMER - All views and opinions expressed by myself are personal and do not necessarily represent those of my employer. ------------------------------------------------------------------------------- Certainly far from being zonal with lots of blocking upto Christmas. GFS seems to indicated a further northerly plunge nearer Christmas. What worries me is I don't realy see a Scandi High again this winter as yet :-( -- Keith (Southend) http://www.southendweather.net |
#5
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In article ,
"Keith (Southend)" writes: Certainly far from being zonal with lots of blocking upto Christmas. GFS seems to indicated a further northerly plunge nearer Christmas. What worries me is I don't realy see a Scandi High again this winter as yet :-( They have always been fairly rare in December, though. They're much more frequent later in the winter. -- John Hall Weep not for little Leonie Abducted by a French Marquis! Though loss of honour was a wrench Just think how it's improved her French. Harry Graham (1874-1936) |
#6
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Keith (Southend) wrote:
Will Hand wrote: "Trevor" wrote in message . com... "Chris" wrote in message ... It looks like it'll have lots of cloud mixed up in it - so I guess we can look forward to a week or so of 8c/6c temperature ranges and gloom. Lovely ![]() Yep! Don't you not think that with a high of 1040 hPa and high contour values that will lead to strong subsidence which will tend to lower the subsidence inversion so that low cloud will disperse? Also do you not think that as the high retrogresses (moves west) then a cooler (and clearer) northwesterly flow perhaps later veering northerly could become established ? Initially it may have a lot of cloud but there's plenty of reasons why it won't persist? Also it is not clear that the air in the south will have much Atlantic origin could be quite a lot of drier continental air mixed in in a light SE or even E drift? Will. -- " Ah yet another day to enjoy " ------------------------------------------------------------------------------- A COL BH site in East Dartmoor at Haytor, Devon 310m asl (1017 feet). mailto: www: http://www.lyneside.demon.co.uk/Hayt...antage_Pro.htm DISCLAIMER - All views and opinions expressed by myself are personal and do not necessarily represent those of my employer. ------------------------------------------------------------------------------- Certainly far from being zonal with lots of blocking upto Christmas. GFS seems to indicated a further northerly plunge nearer Christmas. What worries me is I don't realy see a Scandi High again this winter as yet :-( I was just flicking through the November / December 1962 charts and the patterns are not a million miles dissimilar to what we've had and what's projected upto Christmas. High pressure blocking to the west with northerly plunges plus blocking to our east / southeast. So who knows? -- Keith (Southend) http://www.southendweather.net |
#7
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Will Hand wrote:
Don't you not think that with a high of 1040 hPa and high contour values that will lead to strong subsidence which will tend to lower the subsidence inversion so that low cloud will disperse? Also do you not think that as the high retrogresses (moves west) then a cooler (and clearer) northwesterly flow perhaps later veering northerly could become established ? Initially it may have a lot of cloud but there's plenty of reasons why it won't persist? Also it is not clear that the air in the south will have much Atlantic origin could be quite a lot of drier continental air mixed in in a light SE or even E drift? Will. -- Will, Chances are you've forgotten more than I'll even know about meteorology - so I would never deign to pit my wits against you - but I was looking at todays UKMO forecast charts - and they all show a decaying front embedded right through the centre of the High. Subsidence may lead to an inversion - but the cause of the gloom is not necessary any consolation for the gloom itself. Any Northwesterly would be on the West side of a warm front - laden with moisture to entrain in the high, under the inversion; outcome is Stratus, Fog and gloom - but not very cold. If, and only if the High moves North, and we get a day or two of Easterlies could we see some drier air move in. We shall see - but for now, I've put the sun-block back in the drawer ![]() -- Chris http://www.ivy-house.net Swaffham, Norfolk |
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