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02-10-2018, 13:26   #1
amandstu
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The Jet Stream

Are there any (moving) charts that just show the Jet Stream (ideally all the way around the world) in real time and historically?
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04-10-2018, 16:15   #3
bnt
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Also, the Earth site shows the jet stream model if you set the pressure altitude to 250 HPa, like this.
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04-10-2018, 16:36   #4
amandstu
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Also, the Earth site shows the jet stream model if you set the pressure altitude to 250 HPa, like this.
thanks,but that confuses me .HPa is not a measure of height is it?
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04-10-2018, 16:43   #5
igCorcaigh
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thanks,but that confuses me .HPa is not a measure of height is it?
The altitude at which pressure is 250 hpa, AFAIK
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04-10-2018, 18:37   #6
amandstu
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The altitude at which pressure is 250 hpa, AFAIK
That makes sense (a nice feature)
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05-10-2018, 13:52   #7
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The way the computer models work, they don't display pressure directly but rather the altitude at which the pressure is a certain number. The result is almost the same. The maps don't explicitly try to show the jet stream, but that altitude is where it tends to be - which can mean gaps in the chart where the jet stream deviates out of the chart range. (The Meteociel "jet stream" map is doing the same but at a slightly lower altitude).
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