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FI Charts ( T120+ onwards) Summer 2025 **READ MOD NOTE IN FIRST

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Comments

  • Registered Users, Registered Users 2 Posts: 5,006 ✭✭✭beggars_bush


    The area of Galway, Mayo, Donegal combined is almost the area of Leinster



  • Registered Users, Registered Users 2 Posts: 2,179 ✭✭✭adocholiday


    I posted this in the general chat but the accumulated totals between now and this time next week are similar on both GFS and ECM. It's not just heavy thundery showers making up these totals either. Monday is maybe more showery but Tuesday and Thursday it's looking like lighter, persistent rain and Friday is looking like heavy persistent rain in late afternoon (based on current models).

    xx_model-en-324-0_modez_2025071200_180_949_157.png xx_model-en-324-0_modusa_2025071206_174_949_157.png


  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    A very zonal westerly setup looks certain for the remainder of July with average or slightly cooler than average temperatures and plenty of rain or showers. The GFS 00z has a lovely Azores high sitting over us by the end but this is very much an outlier. Hopefully within the next week we will see another spell of 3 to 4 settled days developing before the end of July.

    image.png


  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    GFS 6z again very similar to the 00z and pumps out the most extreme outlier for the operational run with a heat plume right at the end.



  • Registered Users, Registered Users 2 Posts: 194 ✭✭odyboody


    Really shows the of looking at only Op run, the control is nearly a mirror image



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  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    models today for the rest of July don't look quite as bleak as yesterdays, perhaps a trend of an improving situation later next week.



  • Registered Users, Registered Users 2 Posts: 3,635 ✭✭✭Dazler97




  • Registered Users, Registered Users 2 Posts: 7,550 ✭✭✭pauldry


    Weather this Summer isn't near as bad as last Summer temp wise at least. A lot of thunderstorms in the coming days. Warm sunshine too so over 20c in most places. A moderate risk of drier weather next week with similar temperatures but the evolving low of this week could yet slow down and delay the azores high further.



  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    This mornings models don't give much comfort of an improving situation any time soon. Looks relatively cool and very unsettled right up to 2nd of August with a north-west to south-east alignment of the jetstream right over us and the Azores staying well to the south.



  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    image.png

    Not the sort of ensemble you want to be seeing in the middle of Summer, an overall cooling trend and things staying wet and unsettled from start to finish. Once we get the warmish air out of the way by Saturday we're into a cool north-westerly pancake flow from the Atlantic for the forseeable future. I hope we see a more positive change develop next week, that this isn't summer going down the tubes.



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  • Registered Users, Registered Users 2 Posts: 3,161 ✭✭✭dominatinMC


    Historically, August wouldn't fill you with confidence. It was good while it lasted folks.



  • Registered Users, Registered Users 2 Posts: 6,128 ✭✭✭TheMilkyPirate


    August Bank Holiday looking lovely on the models this morning dry and temps well into the 20s if its any consolation.



  • Registered Users, Registered Users 2, Paid Member Posts: 1,337 ✭✭✭Sammy2012


    I'm going to take with this. We were away at the beginning of July and brought home some lovely weather and we are going away next week and back for the bank holiday weekend so planning on bringing it back again.



  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    The August Bank Holiday does look lovely on the 00z, however the operational run and indeed the control are kinda outliers, but maybe they are on to something, far too early to tell yet. It's almost 2 weeks away therefore in the highly unreliable timeframe.



  • Registered Users, Registered Users 2 Posts: 410 ✭✭brookers


    Is it all bad all over Ireland? YR giving Rosslare area 17 degrees and 18 sunny……for next week?



  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    I don't really place much value on these automated sites, even Met Eireann's one yesterday was very wrong about temperatures, 22C instead of 18C and rain when it's sunny and sunny when it's raining etc etc. Looking at models certainly gives a better idea of what might be in store compared to reading off an automated site like YR or accuweather etc.



  • Registered Users, Registered Users 2 Posts: 410 ✭✭brookers


    So you think from the models that it won't be great…….in the sunny south east.



  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    For the sunny south-east the next few days don't look all that sunny.

    image.png

    A good chance of rain over the next few days up until the 22nd of July. After that we are into the unreliable timeframe so alot of scatter in the models. However the one change I see in the unreliable timeframe is a move to dryer conditions. The 00z and all of yesterdays output was definitely wetter than this from start to finish. There is also a hint that temperatures may pick up briefly between the 24th and 26th of June, possibly early signs of a brief push of warm air again.



  • Registered Users, Registered Users 2 Posts: 2,179 ✭✭✭adocholiday


    I don't know Gonzo, ECM is going for decent amounts of sunshine for the SE all this week and next week. GEM is backing that up too. It won't be clear blue skies for sure, there's plenty of precipitation in the coming week but the following week looks relatively dry with plenty of sunny spells (using Rosslare as location here).

    The dark blue line here is the average of the ECM ensembles showing approx. 11 hours of sunshine per day for next weekend and beyond, and the second graph showing little amounts of precipitation for the same period. This is specific to Rosslare though, the rest of the country could be completely different.

    image.png image.png


  • Moderators, Science, Health & Environment Moderators Posts: 17,692 Mod ✭✭✭✭Gonzo


    That's very different to the GFS so which model is correct!



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