PPRuNe Forums - Sig Weather Charts

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2engop

5th Nov 2007 17:05

Sig Weather Charts

Could someone please tell me what the 2 small perpendicular lines on jet streams indicate? Thanks

bookworm

5th Nov 2007 17:49

It's a change bar. It means that the speed of the jet has changed by 20 knots but either the changes are too close together to show both values clearly, or the software is just being lazy. ;)

Gary Lager

5th Nov 2007 17:59

...or that the altitude of the jet has changed by 3000+.

2engop

5th Nov 2007 18:11

Thanks guys
:)

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