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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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Charts analysed are for T+96 hours - 12Z Friday 12th December 2003
unless stated. UKMetO: SLP: http://www.wetterzentrale.com/pics/Rukm961.html Low pressure (955mb) lies to the north of Scandinavia, with another low (980mb) to the west of Iceland. High pressure (1025mb) lies over southern Iberia, with another high (1020mb) in the western Atlantic. Winds across the country are mostly moderate southerlies. Many parts will see some rain moving in from the southwest. Temperatures will be close to or just above normal in most parts. Beyond cooler and showery conditions give way to more settled weather as high pressure moves closer to the southwest of the UK. GFS: SLP: http://www.wetterzentrale.com/pics/Rtavn961.html 850hPa Temperatures: http://www.wetterzentrale.com/pics/Rtavn962.html 2m Temperatures: http://www.wetterzentrale.com/pics/Rtavn965.html Low pressure (975mb) lies over Northern Scandinavia. Another low (980mb) lies to the south of Iceland in the Atlantic. High pressure (1040m) lies well to the east of the UK over Russia, and ridges towards Britain, with another high (1025mb) over Southwestern Iberia. Winds across the UK are freshening southerlies in many areas. Most eastern parts will be mainly dry and bright but turning cloudier with some rain in the west. 850hPa temperatures range from -5C in the northeast to +8C in the extreme southwest. Forecast 2m temperatures range from +5C in the north to +12C in the far southwest. Beyond this conditions remain mostly unsettled with rain or showers, and staying rather on the mild side. DWD: SLP: http://www.wetter.com/home/img/sat/g...081200_096.gif Low pressure (965mb) lies close to northern Scandinavia, with another low (965mb) out in the Atlantic to the southwest of Iceland. High pressure (1025mb) lies over central and southwestern Europe, with another high (1025mb) in the Atlantic. Winds across the UK are mainly fresh to strong south/southwesterlies in many areas. Most parts will see rain or showers at times. Temperatures will be close to normal. Beyond this conditions remain mostly unsettled and turn cooler later as the winds veer northwesterly. NOGAPS: SLP: http://www.wetterzentrale.com/pics/Rngp1201.html 850hPa Temperatu http://www.wetterzentrale.com/pics/Rngp1202.html T+96 charts unavailable, so T+120 charts analysed. Low pressure (970mb) lies to the north of Scotland. High pressure (1025mb) lies over Southern Iberia, with another high (1025mb) out in the Central Atlantic. Winds across the UK are mainly fresh to strong west/southwesterlies in many areas. Most parts will see rain or showers. 850hPa temperatures range from -1C in the west to +2C in the southeast. Temperatures will be close to normal in most places. Beyond this conditions are cooler and showery for a time. JMA: SLP: http://www.wetterzentrale.com/pics/Rjma961.html 850hPa Temperatures: http://www.wetterzentrale.com/pics/Rjma962.html Low pressure (970mb) lies to the north of Scandinavia. Another low (970mb) lies to the south of Iceland. High pressure (1025mb) lies over southwestrn Iberia, with another high (1020mb) in the western Atlantic. Winds across the UK are moderate to fresh southwesterlies. Most parts will see rain spreading east. 850hPa temperatures range from +2C in the northwest to +7C in the southeast. Temperatures will be close to or just above normal. Beyond this conditions remain unsettled, and turn colder from the north for a brief time before turning milder from the Atlantic again as high pressure builds close to southern Britain. Canadian – T+72 hours for THURSDAY: All charts: http://weatheroffice.ec.gc.ca/data/m...ast/478_50.gif Low pressure (959mb) lies to the north of Scandinavia, with another low (996mb) to the west of Iceland. Another low (994mb) lies out in the Atlantic. High pressure lies over Europe, and ridges across Britain, with a secondary high (1013mb) lying close to the northwest. Winds across the UK are mainly light and variable. Most parts will be mainly dry and bright. Temperatures will be close to normal. Summary: Generally a mild and unsettled outlook, with only brief cooler spells between the low pressure systems. The weekends cold snap predicted by the GFS model yesterday has now pretty much disappeared. ***Apologies, but there will be no 12Z Model Summary tomorrow - Tuesday 09th December 2003*** |
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