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Autumn/Winter FI Charts 2012/13

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  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    Interesting link from Matthew hugo
    Matthew Hugo ‏@MattHugo81
    Some continued fascinating & darn right impressive strat forecast charts for late Dec, as I highlighted earlier today - http://cdn.nwstatic.co.uk/gfsimages/gfs.20121211/12/384/npst30.png


    More charts
    Matthew Hugo ‏@MattHugo81
    From a cold GFS near the 21st to a potential 'storm' from the ECMWF near the 21st - http://www.wetterzentrale.de/pics/Recm2401.gif … #funandgames


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    That's because WO only goes as low at 950mb :eek::D

    So it's probably sub-940 and deepening there. Impressive.

    850 hpa winds are 90 knots sustained there, and that's with it limited at 950mb.

    The ESB would be counting their stock of replacement powerlines if that was 24 hours out.


  • Closed Accounts Posts: 78 ✭✭srmambo


    Weathering wrote: »
    Interesting link from Matthew hugo
    Matthew Hugo ‏@MattHugo81
    Some continued fascinating & darn right impressive strat forecast charts for late Dec, as I highlighted earlier today - http://cdn.nwstatic.co.uk/gfsimages/gfs.20121211/12/384/npst30.png


    More charts
    Matthew Hugo ‏@MattHugo81
    From a cold GFS near the 21st to a potential 'storm' from the ECMWF near the 21st - http://www.wetterzentrale.de/pics/Recm2401.gif … #funandgames

    An exciting day before the Christmas holidays


  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    Indeed. Feeling a bit more optimistic today


  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    Interesting developments https://pbs.twimg.com/media/A91i1n-CQAEWqrK.png:large
    Pointing at a cold spell towards the end of December/January


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  • Registered Users Posts: 5,068 ✭✭✭Iancar29


    232316.png


    ..... omgwtf.gif


    ... that is all...


  • Closed Accounts Posts: 142 ✭✭Eden3


    Weathering wrote: »
    Interesting link from Matthew hugo
    Matthew Hugo ‏@MattHugo81
    Some continued fascinating & darn right impressive strat forecast charts for late Dec, as I highlighted earlier today - http://cdn.nwstatic.co.uk/gfsimages/gfs.20121211/12/384/npst30.png


    More charts
    Matthew Hugo ‏@MattHugo81
    From a cold GFS near the 21st to a potential 'storm' from the ECMWF near the 21st - http://www.wetterzentrale.de/pics/Recm2401.gif … #funandgames

    The ..... 21st .....??????!!!


  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    Haha, yeah I tweeted back saying end of the world storm lol


  • Registered Users Posts: 164 ✭✭Caff Caff


    Eden3 wrote: »
    The ..... 21st .....??????!!!

    Yes... 10days out which is FI times TWO! We'll potentially see a good bit of rain around Christmas and as mentioned many times and MT is also saying, a colder turn by the end of the year but Jan will be best for cold. It would be quite nice to see this cold continue as I am quite enjoying it. I'm left in no doubt whether to wear a jacket or carry one! Long may it continue.

    Can we leave FI for FI thread? Unless there is significant discussion and/evidence of a possible trend.

    Thanks


  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    http://www.meteociel.com/cartes_obs/gens_display.php?ext=1&x=250&y=40


    This colder trend near/beyond the 21st develops as this low clears E - http://www.wetterzentrale.de/pics/Rz500m10.gif … - perhaps a N or NE'ly flow as it clears.


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  • Registered Users Posts: 9,017 ✭✭✭Tom Cruises Left Nut


    Happy Xmas Eve from the CFS :)

    cfs-2-306_gsz5.png


  • Moderators, Science, Health & Environment Moderators, Society & Culture Moderators Posts: 3,372 Mod ✭✭✭✭andrew


    Is there a particular reason as to why FI models tend to show much more extreme weather the further out they are? (errors in the model compound or something, leading to a greater variance as the length of the forecast increases?)


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    andrew wrote: »
    Is there a particular reason as to why FI models tend to show much more extreme weather the further out they are? (errors in the model compound or something, leading to a greater variance as the length of the forecast increases?)

    When you get into FI, its in a lower resolution, so small features like secondary lows etc. don't get modelled, so you end up with a much smoother, less complex picture with less 'stuff' to complicate/temper things. That can lead to extreme solutions showing up.


  • Registered Users Posts: 9,017 ✭✭✭Tom Cruises Left Nut


    When you get into FI, its in a lower resolution, so small features like secondary lows etc. don't get modelled, so you end up with a much smoother, less complex picture with less 'stuff' to complicate/temper things. That can lead to extreme solutions showing up.

    Im a bit sad that the end of the world is gone from the ECM :(


  • Registered Users Posts: 8,672 ✭✭✭Speak Now


    Here's this mornings ensembles while we wait for this afternoons FI charts :rolleyes:

    t850Dublin.png


  • Registered Users Posts: 8,672 ✭✭✭Speak Now


    Even the FI weather gods are laughing at us :D

    h850t850eu.png


  • Moderators, Science, Health & Environment Moderators Posts: 7,146 Mod ✭✭✭✭pistolpetes11


    Hold that thought Jerry

    232632.png

    Bloody Easterly back on the agenda :eek:


  • Registered Users Posts: 24,189 ✭✭✭✭Larbre34


    Hold that thought Jerry

    232632.png

    Bloody Easterly back on the agenda :eek:

    it isnt really tho is it? here today gone tomorrow in FI world


  • Registered Users Posts: 1,789 ✭✭✭BEASTERLY


    Its on the 12z GFS too. Please dont do this to us again models...


  • Closed Accounts Posts: 1,101 ✭✭✭Weathering


    My bday next week,this would be my present
    I'll happily take a skiing holiday tho if anyones feeling festive, if it doesn't come off of course ha


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  • Registered Users Posts: 2,343 ✭✭✭red_bairn


    BEASTERLY wrote: »
    Its on the 12z GFS too. Please dont do this to us again models...

    lol. is this like the situation in last weeks models? :D


  • Registered Users Posts: 1,789 ✭✭✭BEASTERLY


    red_bairn wrote: »
    lol. is this like the situation in last weeks models? :D

    Nah only one run showing something kinda interesting way off in FI, nothing to get excited about at all.


  • Registered Users Posts: 9,017 ✭✭✭Tom Cruises Left Nut


    Come on down :)

    ECM0-216_ljt2.GIF

    ECM0-240_joa8.GIF


  • Registered Users Posts: 2,855 ✭✭✭Nabber


    For a while there the charts where showing nothing but the atlantic rolling in one after another. But some times they can work in your favour :)

    12122600_1600.gif

    GFS is having none of it tho

    12122606_1606.gif


  • Registered Users Posts: 1,789 ✭✭✭BEASTERLY


    cfs-0-330_kda7.png

    cfs-2-330_ire0.png


  • Closed Accounts Posts: 1,745 ✭✭✭whitebriar


    CFS has been stone wrong so far,so I wouldn't hold out hope for those charts,sweet and all as they are :(


  • Registered Users Posts: 1,789 ✭✭✭BEASTERLY


    whitebriar wrote: »
    CFS has been stone wrong so far,so I wouldn't hold out hope for those charts,sweet and all as they are :(

    Ah i know, was only posting for the laugh.


  • Moderators, Science, Health & Environment Moderators Posts: 4,467 Mod ✭✭✭✭mickger844posts


    A bit of light at the end of the tunnel today in FI. Something to keep an eye on in the next few days. Hopefully it will deliver something interesting.


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    A 1 in 20 chance of a possible white christmas on the GFS ensembles.

    gens-14-1-180.png?18

    Not a great time for FI charts...


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  • Banned (with Prison Access) Posts: 25,234 ✭✭✭✭Sponge Bob


    OOOOH that looks could. I love the spaghetti feature over Cork....pure Day After Tomorrow stuff for that lot down there. :D

    What were Perturbations 1-13 like???
    A 1 in 20 chance of a possible white christmas on the GFS ensembles.

    gens-14-1-180.png?18


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