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The Jet Stream

  • 02-10-2018 01:26PM
    #1
    Registered Users, Registered Users 2 Posts: 4,396 ✭✭✭


    Are there any (moving) charts that just show the Jet Stream (ideally all the way around the world) in real time and historically?


Comments

  • Registered Users, Registered Users 2 Posts: 13,182 ✭✭✭✭bnt


    Also, the Earth site shows the jet stream model if you set the pressure altitude to 250 HPa, like this.

    You are the type of what the age is searching for, and what it is afraid it has found. I am so glad that you have never done anything, never carved a statue, or painted a picture, or produced anything outside of yourself! Life has been your art. You have set yourself to music. Your days are your sonnets.

    ―Oscar Wilde predicting Social Media, in The Picture of Dorian Gray



  • Registered Users, Registered Users 2 Posts: 4,396 ✭✭✭amandstu


    bnt wrote: »
    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?


  • Moderators, Recreation & Hobbies Moderators, Paid Member Posts: 12,803 Mod ✭✭✭✭igCorcaigh


    amandstu wrote: »
    thanks,but that confuses me .HPa is not a measure of height is it?

    The altitude at which pressure is 250 hpa, AFAIK


  • Registered Users, Registered Users 2 Posts: 4,396 ✭✭✭amandstu


    igCorcaigh wrote: »
    The altitude at which pressure is 250 hpa, AFAIK
    That makes sense (a nice feature)


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  • Registered Users, Registered Users 2 Posts: 13,182 ✭✭✭✭bnt


    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).

    You are the type of what the age is searching for, and what it is afraid it has found. I am so glad that you have never done anything, never carved a statue, or painted a picture, or produced anything outside of yourself! Life has been your art. You have set yourself to music. Your days are your sonnets.

    ―Oscar Wilde predicting Social Media, in The Picture of Dorian Gray



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