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Charts ( Up to T120 ) Autumn 2023 ** READ MOD NOTE IN FIRST POST**

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  • 31-08-2023 1:04pm
    #1
    Moderators, Science, Health & Environment Moderators Posts: 16,710 Mod ✭✭✭✭


    Mod Note


    This thread is for posting/discussing/analyzing CHARTS in the shorter range timeframe up to T120 hours (next 5 days) for Autumn 2023.


    If your post does not specifically relate to a chart then it doesn't belong here - Off topic posts will be moved


    Thanks


    ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

    After a very wet summer 2023 time to get into the autumn and there is hope that we will see a major improvement in the weather to start the autumn, how long this lasts remains to be seen but we should have a fairly warm and hopefully sunny weekend to come and this should last into the early part of next week. At the moment most of the following 7 day period is looking mainly dry and relatively warm as high pressure takes control of our weather for the first time since the final third of June when summer came to a screeching halt.

    A nice ridge from the azores becomes dominant from tomorrow and into the weekend.

    Temperatures of 20 to 22C or possibly 23C inland are expected this weekend, something we have rarely seen since June.

    High pressure will remain anchored over us until Tuesday or Wednesday with temperatures possibly getting to 24 or 25C in places with low 20s along coastal and eastern areas.

    Little to no precipitation over the opening 5/6 days of September. Rainfall amounts above take todays rainfall into account which brings the wet summer of 2023 to a close. A very pleasant weekend is in store for all of Ireland, something we haven't seen in a long time after 2 months worth of wet or washout weekends. This dry and warm spell of weather will be most welcome and well needed after such a poor summer.

    Post edited by Meteorite58 on


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Comments

  • Registered Users Posts: 427 ✭✭Donegal Ken


    2023/2024 storm names




  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58



    Mon and Tues look the warmest days, will we see highest temps of 25C or 26C ??

    Watching as the week goes on to see if any thunderstorms move up from the S or SW as waves of high Theta W move up from the South with possible weak fronts or troughs brushing past us or over us associated with the area of LP set to locate off the coast of Portugal. Temperatures set to remain warm for the week, not fully dry but very hit and miss depending on where convective showers might break out.

    Night time temperatures very mild to warm the coming week from Mon night staying up around the mid teens or could even stay as high as 17 or 18C a couple of nights.









  • Moderators, Science, Health & Environment Moderators Posts: 16,710 Mod ✭✭✭✭Gonzo


    As we all know a very warm week to come for all parts of Ireland with low to mid twenties widespread right across the country. Should hopefully be plenty of sunshine as well.

    Tomorrow:

    Tuesday:

    Wednesday:

    Thursday could get to 27C in a few places.

    Upper air temperatures between +15 and +19C during mid week/Thursday.

    Barely any rainfall over the coming working week.

    I feel sorry for the kids stuck in school during this.



  • Registered Users Posts: 1,343 ✭✭✭esposito


    Could be a few thunderstorms pushing up from the south later in the week. I’m sure Meteorite58 will keep us updated.



  • Registered Users Posts: 1,986 ✭✭✭mcburns07


    How's next weekend looking?



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  • Moderators, Science, Health & Environment Moderators Posts: 16,710 Mod ✭✭✭✭Gonzo


    A breakdown is possible next weekend but it should still be warm around 20 to 24C with maybe a chance of showers or thunderstorms.



  • Registered Users Posts: 2,884 ✭✭✭JanuarySnowstor


    For the Southwest, Monday looks like being the best day of week! Tuesday on brings the risk of showers and certainly some cloudy spells mixed in for all parts. Remaining warm but not the wall to wall sunshine that the weekend brought!



  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Getting hotter by the day and ARPEGE showing hitting 28C Thurs, 29C Fri, 28C Sat in places inland. Parameters for thunderstorms also at times but very hit and miss and could see most activity over the sea like today but some potential for overland also.

    Very warm nights, possibly not getting lower than 18 or 19C in many places from overnight Weds through to Sat morning.







  • Moderators, Recreation & Hobbies Moderators Posts: 11,079 Mod ✭✭✭✭igCorcaigh


    37C in Northern France? 😲 Is that unusual? Very hot anyway...



  • Registered Users Posts: 2,659 ✭✭✭Darwin


    That would be pretty unusual alright, and certainly not what happened during the summer. Meteofrance just have a yellow heat warning posted for tomorrow (including the areas shown in the map above), although they specifically mention the Pays-de-la-Loire and Ille-et-Vilaine regions which may get an upgrade to Orange level heat warning.



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  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Might we see a yellow heat warning for Ireland in the coming days ??



  • Registered Users Posts: 2,659 ✭✭✭Darwin


    Could well be, certainly looking good for some Southern areas on Friday!



  • Registered Users Posts: 6,879 ✭✭✭pauldry


    Models on a bit of a wobble today. High hanging on and lows just brushing by. Might be more dry spells. But very uncertain. As likely to be unsettled as dry and cool.



  • Moderators, Science, Health & Environment Moderators Posts: 16,710 Mod ✭✭✭✭Gonzo


    yeah this mornings models are backing off the very little unsettled outlook but it's only one run. As for Spain when I'm there it's now going for a bit of an unsettled start with alot of thunderstorms, probably an outlier.

    Just checked and the GFS for Ireland is a bit of an outlier, most ensembles members support unsettled weather with average to slightly cooler than average conditions. As for southern Spain around the 18th/19th that unsettled run is absolutely on it's own.



  • Registered Users Posts: 16,637 ✭✭✭✭nacho libre


    A return to standard Autumn fare is the form horse now unless the ex hurricanes thrown a spanner in the works. The last week of September could see it settling down again.



  • Moderators, Technology & Internet Moderators Posts: 17,132 Mod ✭✭✭✭cherryghost


    Margot may brush us



  • Registered Users Posts: 1,490 ✭✭✭Hooter23


    Charts show what looks like 2 ex-Hurricanes colliding in the west atlantic in 10 days time before coming our way 😕 we usually pay the price for any good weather we get so who knows what we will get after this....



  • Registered Users Posts: 1,831 ✭✭✭adocholiday


    GFS not really going for that scenario but instead spins a different low out of Greenland. I think we paid the price for the good weather in July and August but regardless, with the warm seas I'd say we're likely to see some stormy spells in this autumn period.



  • Registered Users Posts: 4,345 ✭✭✭beggars_bush


    Any guidance for next Saturday? Thanks



  • Registered Users Posts: 1,831 ✭✭✭adocholiday


    ECM going for a fairly wet day for the eastern half of the country, temps in the 15-18 degree range by the looks of things. GFS, GEM and Icon forecasting a dry day with similar temps. Probably a bit far away for any real consensus yet.



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  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Unsettled outlook. Fairly rain free on Saturday, Sunday a bit uncertain, most of the rain could be over the Eastern half of the country. Bit windy around the coasts at times, breezy to blustery at times overland but nothing too strong showing as yet anyway even with the remnants of Lee being carried towards us.






  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Just looking at the weather for the Ploughing Championships.

    Passage of a trough on Monday giving showers or some more prolonged spells of rain, windy/ blustery on coasts and breezy overland, feeling a bit cool in the breeze, about 12 to 15C.

    Tuesday warm front transits the country mostly in the early hours, showery or more prolonged periods of rain during the day in the warm sector, feeling mild up to high teens in parts. Cold front crosses the country later in the evening, windy with the passage of the fronts, looks like gusting to 70km/h or so at times at the ploughing championships. Highest rainfall accumulations along Atlantic coastal counties, sea area warnings for small craft look likely, unsure yet if some coastal counties see wind warnings but close enough. Could see rainfall warnings for coastal counties, fronts breaking up and loosing strength as they cross the country but still could see 5 to 15mm further East, will have a look at the charts again tomorrow.

    Weds some showers, winds a lot lighter down to a breeze overland, temps down a couple of degrees but still relatively mild.

    Thurs showers and relatively calm ( will need to see if some get thundery ) , temps down again to about 12 to 14C













  • Registered Users Posts: 15,322 ✭✭✭✭Supercell


    Fax charts are horrible for the next week, wet wet wet sums it up , with nw winds at times blowing hard it's going to feel autumnal too.

    Wednesday looks particularly rotten albeit pretty far in terms of forecasting. Summer has left the building.


    Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/



  • Registered Users Posts: 15,322 ✭✭✭✭Supercell


    Sunday looks quite blowy with bands of rain sweeping across. Should at least be mild.


    Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/



  • Registered Users Posts: 5,849 ✭✭✭Chris_5339762


    I really hope the weather isn't drifting back into the same 7-day cycle we had in July. That was several days of passable weather with every weekend a total washout, leaving misery onto the working population.


    Again this week, according to the charts Wed/Thur/Fri fairly ok, with an appalling Saturday and an uncertain Sunday.



  • Registered Users Posts: 6,879 ✭✭✭pauldry


    Nah, itl be crap all the days now.

    But seriously there's some hope of a pleasant spell end of Sept start of Oct.



  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Cool 4 or 5 days coming up with frosty nights possible in places. Looks like good dry spells after the frontal rain goes through early Friday leaving showers coming in from the NW into Sat, some penetrating inland a bit in the Northern half of the country, retreating to the coasts later , Sun through Tues looks dry for most apart maybe from the odd shower near coasts. A bit breezy tomorrow and windy on coasts making it feel that bit extra cold, the first true cool feeling day this Autumn I would think.












  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    Rain pushing into the SW Sunday late afternoon/ evening and there looks to be a band of rain over Ireland after that up until early Tues morning, another band of rain across Munster perhaps later Tuesday.

    A difference between the models in the track of the rain band which is understandable at this stage, very slow moving and meandering a bit , so there is a general area of Munster and Connaught currently in the weather warnings, will need to watch if we could see an Orange warning again for areas with saturated ground like Cork/ Limerick which looks to feature in the areas to receive most rainfall. Models by tomorrow night should have a more accurate handle on it, I presume the forecasters will err on the side of caution given the recent flooding, tide heights increasing next week. Tuesday night into Weds could see another 20mm or so along Southern counties in places.




  • Registered Users Posts: 5,875 ✭✭✭Storm 10


    Hi Meteorite58 any storms brewing next week



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  • Moderators, Science, Health & Environment Moderators Posts: 11,819 Mod ✭✭✭✭Meteorite58


    ECM showing strong winds off and along the SW /S coasts later Tues into Weds associated an area of deepening LP with more possible heavy rains later Tues/ Weds but not showing on other models. One to keep an eye on. Then at the end of the run, more suited in the FI thread +120hrs the ECM showing some very windy around Mon 30th but as ever will need to see if a trend develops ( GEM and ACCESS-G hinting at something but GFS not as yet ), the weather could get a bit more lively the first week into Nov.





This discussion has been closed.
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