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HannahJ View Drop Down
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Posts: 861 		Post Options Post Options   Quote HannahJ Quote  Post ReplyReply Direct Link To This Post Topic: weather charts
    Posted: 13 Feb 06 at 6:04pm
*cries a little voice in hope*
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The pessimist complains about the wind; the optimist hopes it will change; the realist adjusts the sail
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mike ellis View Drop Down
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Posts: 2339 		Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 7:14pm
not more wind then?
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KnightMare View Drop Down
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Posts: 1682 		Post Options Post Options   Quote KnightMare Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 6:36pm

If you are talking about the thick black lines tha apear on the met office charts its and indication of a trough.

"Trough
An elongated area of relatively low surface pressure. The troughs marked on weather charts may also represent an area of low thickness (thickness trough), or a perturbation in the upper troposphere (upper trough). All are associated with increasing cloud and risk of precipitation."

check out http://www.metoffice.gov.uk/weather/charts/index.html for the original weather chart I looked at
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mike ellis View Drop Down
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Posts: 2339 		Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 6:04pm
i cant get that picture to work but someone must know what i mean, the black lines that arent fronts or isobars?
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Isis View Drop Down
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Posts: 2753 		Post Options Post Options   Quote Isis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 5:54pm
looks like youve put the wrong URL in your post
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mike ellis View Drop Down
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Posts: 2339 		Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 5:50pm
so how was i meant to post it?
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les5269 View Drop Down
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Posts: 1530 		Post Options Post Options   Quote les5269 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 5:44pm
nope I can't see it either
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mike ellis View Drop Down
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Posts: 2339 		Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 5:36pm
is it just me that cant see that image? how was i meant to post it?
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mike ellis View Drop Down
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Posts: 2339 		Post Options Post Options   Quote mike ellis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 06 at 5:35pm

i know fairly well what weather charts mean (red=warm front, blue=cold front isobars etc) but what are the thick black lines that sometimes appear behind fronts? the thing circled in yellow is what i mean.
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