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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
July 6th 05, 06:27 AM
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Low in the High
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#2
July 6th 05, 08:48 AM
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Low in the High
This seems to be an error on this occasion.
Phil Layton wrote: http://217.160.75.104/wz/pics/brack4.gif Interesting feature on the EGRR T+120 Phil -- |
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#3
July 6th 05, 01:32 PM
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Low in the High
Phil Layton wrote: http://217.160.75.104/wz/pics/brack4.gif Interesting feature on the EGRR T+120 Phil -- It's gone on the T+108, or at least its amplitude is insufficient for it to have a 4-mb isobar round it. I wonder if these things ever happen in reality. Tudor Hughes, Warlingham, Surrey. |
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#4
July 6th 05, 01:45 PM
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Low in the High
"Tudor Hughes" wrote: Phil Layton wrote: http://217.160.75.104/wz/pics/brack4.gif Interesting feature on the EGRR T+120 It's gone on the T+108, or at least its amplitude is insufficient for it to have a 4-mb isobar round it. I wonder if these things ever happen in reality. Heat lows form quite regularly over the UK in a flat anticyclone or ridge ... the amplitude is rarely more than 2mbar so the pressure would have to be just right to get a closed isobar over England - or Scotland. So if it appears on the 12z it is quite reasonable, on the 18z slightly less so, whereas on the 00z or 06z charts it would of course be an error. My only concern on this occasion is that the anticyclone might not be flat enough. Philip Eden |
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