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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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excuse the non scientific explanation but this sort of makes it look like somebody has jabbed a pin against the tropopause, bursting it
http://i50.tinypic.com/1zwgkmd.gif |
#2
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In article ,
Scott W writes: excuse the non scientific explanation but this sort of makes it look like somebody has jabbed a pin against the tropopause, bursting it http://i50.tinypic.com/1zwgkmd.gif It's fascination how the first warming seems to have occurred somewhere in the region of the Red Sea (hardly where one would have guessed), before moving NE and rapidly spreading. -- John Hall "Whenever people agree with me I always feel I must be wrong." Oscar Wilde |
#3
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Interesting also to note what happens in the Equitorial Region & Southern Hemisphere, all switch to negative anomolies.
Could the negative anomoly over Australia be a contributing factor towards their severe heatwave? |
#4
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![]() "John Hall" wrote in message ... In article , Scott W writes: excuse the non scientific explanation but this sort of makes it look like somebody has jabbed a pin against the tropopause, bursting it http://i50.tinypic.com/1zwgkmd.gif It's fascination how the first warming seems to have occurred somewhere in the region of the Red Sea (hardly where one would have guessed), before moving NE and rapidly spreading. I wonder if the wave that is breaking is in the Subtropical Jet Stream rather than the Polar Night Jet? Cheers, Alastair. |
#5
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![]() "Teignmouth" wrote in message ... Interesting also to note what happens in the Equitorial Region & Southern Hemisphere, all switch to negative anomolies. Could the negative anomoly over Australia be a contributing factor towards their severe heatwave? John Austin ex MetO told me in 1976 that long range forecasting would improve if we could understand the stratosphere better? I still think he was right! But we still have a lot to learn. Will -- http://www.lyneside.demon.co.uk/Hayt...antage_Pro.htm Will Hand (Haytor, Devon, 1017 feet asl) --------------------------------------------- |
#6
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"Eskimo Will" wrote in message
... John Austin ex MetO told me in 1976 that long range forecasting would improve if we could understand the stratosphere better? I still think he was right! But we still have a lot to learn. Will There is an interesting article in Wikipedia about SSWs. IMHO, the last point is especially so: "There exists a link between sudden stratospheric warmings and the quasi-biennial oscillation: If the QBO is in its easterly (westward) phase, the atmospheric waveguide is modified in such a way that upward-propagating Rossby waves are focused on the polar vortex, intensifying their interaction with the mean flow. Thus, there exists a statistically significant imbalance between the frequency of sudden stratospheric warmings if these events are grouped according to the QBO phase (easterly or westerly)." Cheers, Alastair. |
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