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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 Monday. Issued 0700z,
15/01/04. ECMWF: http://www.wetterzentrale.de/pics/Recm1201.html Westerlies and WSW'lies cover the UK as the result of a low over Iceland and high pressure over Biscay. The high sinks SW'wards at T+144, with westerlies for all. By T+168 the westerlies increase in strength, due to a deep low to the NW of Scotland. MetO: http://www.wetterzentrale.de/pics/Rukm1201.html The Met Office run shows strong westerlies for all, due to a low to the SE of Iceland and high pressure over France and Spain. The westerlies continue at T+144. GFS: http://expert.weatheronline.co.uk/ A large high is centred over Iberia, with westerlies over the UK. The westerlies continue at T+144 as the high builds and sinks slowly SE'wards, while 850hPa temperatures range from +1C over Northern Ireland to +5C over SW and SE England. The winds become WSW'lies and westerlies at T+144, as complex low pressure moves eastwards over and around Iceland. Westerlies affect the UK at T+168 as a secondary low passes to the north of Scotland. The chart for day 8 shows NW'lies for all as a ridge builds to the west, followed by NW'lies and SW'lies as the ridge toppples over the UK on day 9. By day 10, winds are westerlies and NW'lies, with a trough over the North Sea. GEM: http://www.meteocentre.com/models/glb00_120.html The Canadian run shows a col over Scotland and westerlies to the south, due to high pressure over Iberia. 850hPa temperatures range from -2C over NW Scotland to +6C over Northern Ireland. By T+144 the winds are westerlies and WNW'lies, as a weak ridge moves over Ireland. JMA: http://www.wetterzentrale.de/pics/Rjma1201.html A ridge from an Iberian high covers southern England and the North Sea, resulting in SW'lies for most of the UK. 850hPa temperatures vary from freezing over NE Scotland to +5C over Northern Ireland. The winds become SW'lies for all at T+144 as two lows surround Iceland, followed by WSW'lies at T+168 as one of the lows deepens and moves slowly southwards. There's little change on day 8, althought the winds strengthen slightly as a low deepens to the north of the UK. In summary, the models today continue to show relatively mild, unsettled weather for the first half of next week. |
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