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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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Here is a summary of the latest NWP output for noon on Monday. Issued 0559z,
11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. ECMWF: http://64.246.48.81/pics/Recm1201.gif Unavailable today. MetO: http://www.wetterzentrale.de/pics/Rukm1201.html Strong SW'lies cover much of the UK, with a high over SW France and a secondary low to the west of Scotland. The far north of Scotland lies under southerlies, but by T+144 thw whole of the UK lies under WSW'lies as the European high builds. GFS: http://expert.weatheronline.co.uk/pslv_frame.htm SW'lies cover all areas of the UK except northern Scotland, which lies under southerlies. High pressure covers much of southern and central Europe, with a trough to the NW of the UK. 850hPa temperatures vary from freezing over northern Scotland (-7C over Shetland) to +6C over East Anglia. SW'lies continue to affect the UK at T+144 as a low deepens to the north, followed by more of the same on day 7. Day 8 sees a repeat performance and there's little change on day 9, with SW'lies persisting. By day 10 a trough moves eastwards, bringing SW'lies in advance and westerlies behind. Ensembles: http://64.246.48.81/pics/MT8_London_ens.png The London ensembles show excellent agreement of a rise in 850hPa temperatures from -5C on the 14th to +7C by the 17th, followed by several mild and largely dry days. GEM: http://www.meteocentre.com/models/glb00_120.html The UK lies under strong SW'lies, with a low to the north and high pressure over Iberia and France. The winds become WSW'lies at T+144 as the high builds, followed by westerlies at T+168 with the high by now over France. GME/DWD: http://www.wetter.com/home/img/sat/g...100000_120.gif Complex low pressure lies to the north and west, bringing southerlies for much of the UK. Two lows lie near Scotland at T+144, resulting in westerlies for all, followed by westerlies and southerlies at T+168 as a trough crosses the UK. JMA: http://www.wetterzentrale.de/pics/Rjma1201.html The Japanese run shows a low to the west of the UK, leading to cold ESE'lies for Scotland and milder SW'lies elsewhere. The low moves swiftly NE'wards at T+144, with Scotland and Northern Ireland under northerlies. Elsewhere, winds are SW'lies, followed by westerlies and WNW'lies for the UK on day 7. By day 8 a weak ridge covers the North Sea, leading to ESE'lies and easterlies for most. NOGAPS: http://wetterzentrale.com/pics/Rngp1201.gif Strong to gale force WSW'lies dominate the UK, due to a low to the north of Scotland. The low is replaced by another low at T+144, leading to further WSW'lies. KMA: http://www.kma.go.kr/kma03/gif/g21nh_smsr_120.gif The UK lies under a trough from the west, with southerlies and SE'lies as a result. |
#2
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In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote
: Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... -- Paul Hyett, Cheltenham |
#3
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In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote
: Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... -- Paul Hyett, Cheltenham |
#4
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In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote
: Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... -- Paul Hyett, Cheltenham |
#5
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In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote
: Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... -- Paul Hyett, Cheltenham |
#6
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On Sat, 12 Mar 2005 07:25:34 +0000, Paul Hyett
wrote: In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote : Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... Yes-it has been pretty odd. I guess someone has mentioned on a thread (I cannot read them all) similar occurences that have happened before. The funny thing about our climate is that being on the edge of a rather large pond produces all sorts of quirky things but few exceptional events (in my estimation anyway). The unpredictability of our climate is its joy but I have to say that I cannot recall the last time we had a decent depression charging across southern England! I wonder when we last had a 'dry' winter followed by a dry March and April? or,for that matter, the same adding on May,June and July!! Cheers Robin (Dorset) |
#7
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On Sat, 12 Mar 2005 07:25:34 +0000, Paul Hyett
wrote: In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote : Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... Yes-it has been pretty odd. I guess someone has mentioned on a thread (I cannot read them all) similar occurences that have happened before. The funny thing about our climate is that being on the edge of a rather large pond produces all sorts of quirky things but few exceptional events (in my estimation anyway). The unpredictability of our climate is its joy but I have to say that I cannot recall the last time we had a decent depression charging across southern England! I wonder when we last had a 'dry' winter followed by a dry March and April? or,for that matter, the same adding on May,June and July!! Cheers Robin (Dorset) |
#8
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On Sat, 12 Mar 2005 07:25:34 +0000, Paul Hyett
wrote: In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote : Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... Yes-it has been pretty odd. I guess someone has mentioned on a thread (I cannot read them all) similar occurences that have happened before. The funny thing about our climate is that being on the edge of a rather large pond produces all sorts of quirky things but few exceptional events (in my estimation anyway). The unpredictability of our climate is its joy but I have to say that I cannot recall the last time we had a decent depression charging across southern England! I wonder when we last had a 'dry' winter followed by a dry March and April? or,for that matter, the same adding on May,June and July!! Cheers Robin (Dorset) |
#9
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On Sat, 12 Mar 2005 07:25:34 +0000, Paul Hyett
wrote: In uk.sci.weather on Fri, 11 Mar 2005 at 06:01:37, Darren Prescott wrote : Here is a summary of the latest NWP output for noon on Monday. Issued 0559z, 11/03/05. Much milder weather is on the way for the end of the week as pressure rises over Europe to bring a SW'ly flow. As is often the case in these setups, the further north and west you are the wetter it will be - the latest GFS shows the SW'lies bringing largely dry weather for SE England. Just recently it seems that, wherever the High is sat, southern Britain stays dry... Yes-it has been pretty odd. I guess someone has mentioned on a thread (I cannot read them all) similar occurences that have happened before. The funny thing about our climate is that being on the edge of a rather large pond produces all sorts of quirky things but few exceptional events (in my estimation anyway). The unpredictability of our climate is its joy but I have to say that I cannot recall the last time we had a decent depression charging across southern England! I wonder when we last had a 'dry' winter followed by a dry March and April? or,for that matter, the same adding on May,June and July!! Cheers Robin (Dorset) |
#10
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In article ,
Robin Nicholson writes: I wonder when we last had a 'dry' winter followed by a dry March and April? or,for that matter, the same adding on May,June and July!! I think 1976 was one such instance. Without checking, I don't know if there has been another one since. -- John Hall "The power of accurate observation is commonly called cynicism by those who have not got it." George Bernard Shaw |
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