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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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Here is a summary of the latest NWP output for noon on Sunday. Issued 0604z,
10/02/05. After Sunday's brief colder interlude the models show good agreement of a ridge toppling quickly SE'wards. This will introduce much milder maritime air on a westerly or NW'ly flow. Due to the proximity of high pressure it's likely the first half of next week will be largely cloudy, on the dry side for many areas and mild. ECMWF: http://64.246.48.81/pics/Recm1201.gif High pressure is located to the SW, leading to NNW'lies and NW'lies over the UK. The winds become westerlies and northerlies as the high ridges NE'wards at T+144, followed by a ridge over England and Wales at T+168. By thn winds are WSW'lies across Scotland and Northern Ireland. Yesterday's ensembles showed the run had little support, indeed it was one of the coldest runs. MetO: http://www.wetterzentrale.de/pics/Rukm1201.html The MetO run shows NNW'lies for all, again due to a high to the SW. The winds become NW'lies at T+144 as the high moves ENE'wards. GFS: http://expert.weatheronline.co.uk/pslv_frame.htm The Azores High lies to the SW, bringing NW'lies and WNW'lies. 850hPa temperatures vary from -2C over East Anglia to +6C over SW England. The high moves eastwards at T+144, with westerlies for all. There's little change on days 7 to 9 as the high moves slowly ENE'wards, but by day 10 the high is centred over England. This leads to SW'lies and WSW'lies for Scotland and Northern Ireland, with light and variable winds elsewhere. GEM: http://www.meteocentre.com/models/glb00_120.html The Canadian run shows northerlies and NNW'lies with a high to the SW. The high moves eastwards at T+144, introducing westerlies for all. GME/DWD: http://www.wetter.com/home/img/sat/g...100000_120.gif The German run shows cloudy NW'lies covering the UK, with a weak trough embedded in the flow. The trough moves eastwards at T+144, allowing WNW'lies to move over the UK. By T+168 the high to the SW moves closer to the UK, bringing cloudy but light WNW'lies. JMA: http://www.wetterzentrale.de/pics/Rjma1201.html The Japanese run shows a ridge about to topple over the UK, with strong NNW'lies in advance. By T+144 the ridge lies to the SE, with milder NW'lies for all. Day 7 sees the Azores High ridge over the UK to bring westerlies for Scotland and Northern Ireland with northerlies elsewhere. NOGAPS: http://wetterzentrale.com/pics/Rngp1201.gif A weak ridge covers the UK, with a mixture of westerlies and NNW'lies. GM CPTEC: http://www.cptec.inpe.br/prevnum/Global126_sx6_Gl.shtml A large high lies to the west, with NNW'lies for all. KMA: http://www.kma.go.kr/kma03/gif/g21nh_smsr_120.gif Unavailable today. |
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