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Charts ( up to T120 ) Summer to Winter 2018 ** READ MOD NOTE IN FIRST POST**

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    ECMWF 12Z Looks like very strong winds Fri on this run tight gradient as the system deepens close to Ireland. Long way off though .

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    850 hPa Winds

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  • Registered Users Posts: 9,233 ✭✭✭sdanseo


    Only borderline Orange at the moment. Still a long way off.
    Would affect east coast also with strong southerlies probably delaying or cancelling ferries.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Some early indications of possibly being very wet for a time on Fri also.

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    Rough idea of totals for the week , spot flooding an issue as the week goes on, the land in the SW / S and SE becoming quite wet if not saturated by the weekend perhaps, lots of run off from high ground.


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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Wet and blustery during the frontal passage tomorrow, more so in the S of the country . A couple of squall lines perhaps tomorrow ?

    Weather approaching the SW / W now.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Some big rain totals coming in by Fri evening . A lot more rain on top of the 81.6mm mickger844posts recorded in the last 3 days in Waterford . A possible 50 or 60 mm more on the way it would seem according to the ECM.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    The European models keeping the Low on Fri further to the NW, the American models have a secondary deep low with the centre in over us keeping the strongest winds to the S. Could be a very wet day.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Looking very windy on coasts and windy overland on Fri as the depression deepens close to Ireland on the latest runs. As the models get to grips with the set up they have been increasing the wind speeds a bit over the last few runs. All now showing similar track and wind strengths. Probably still a bit under for being a named storm but wouldn't take much more additional wind speed to get a name.. Would have an impact in the UK also. Not sure which met office names the next one.

    Currently looking like gusts up to 110 km/h on coasts , with some exposed headlands getting up to 120 km/h. Gusting 80 to 100 km/h overland, with a few gusts to 110 possible in higher exposed ground.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    All the main models looking quite similar now. Fast moving systems, with the strongest winds moving over in a few hours for most.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    The charts showing a bit less rain Fri than previous runs .The closer the depression gets to Ireland keeping the heaviest rain off the E coast and closer to and over the UK.

    Looking like between 10 and 30 mm, and much of it falling in a few hours.

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    Projected Precipitation Totals up until +120 hrs.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    I think the winds haven't increased over the last few runs for Fri. Maybe ever so slightly down a bit in general, more so over land but still very windy on coasts. What does seem to be showing up is very strong winds onto the S , SE and moving to E and NE coasts later from S and SSE winds backing to the SW later.

    Atm IMO looking like 90 -100km/h on coasts in general, could gust to 110 on S, SE , E and NE coasts. Overland could gust 80 - 90km/h approx but for a short time as the weather moves through quickly ( maybe slightly higher in the SE and E ) . Looks like quite heavy rain passing through quickly also.


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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Latest ARPEGE 18Z similar to the last run.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    The SE and E showing up with quite high totals on some of the models up to late Fri. Kerry / W cork showing up with some high totals.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    ECM 12Z Gusts

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    Mean speeds in the SE, strongest winds moving through in a few of hours.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    The models haven't deviated much over the last few runs except the ECM showing slightly lower top wind speeds in general but more widespread gusting 80 to 90 km/h across the country. Would take note that the models have been showing the SE / E getting clipped by very strong winds for a time especially Wexford which may get the highest wind speeds. Tomorrow is more about the combination of strong winds and heavy rain leading to difficult conditions.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Getting windy on the coasts on Sunday , breezy in parts overland especially the SW. Looks mainly wet along coasts, some showers straying inland.


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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Quite windy overnight from a S'ly direction and into tomorrow, more so on coasts. WRF seems to be overcooking it a bit compared to the European models on this one.





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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Mild and humid day tomorrow. Possibly reaching 15C or a tad more.


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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Slow moving Cold front up along Atlantic coasts tonight and tomorrow bringing up to 30mm in places , slowly moving E and dissipating as it moves inland. Breezy and relatively mild more E, cooler under the rain on the Western half of the country. Spot flooding possible in places.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Winds turning from a SE direction more E'ly as we move into next week introducing a colder airmass from Europe. Looks largely dry until around Tues when showers will possibly make an appearance more so in the E / SE. Winds will freshen for the first few days of the week , more so on E coast's . Windchill will be a factor the early days of next week.

    Top Temps

    Mon 7 to 9C generally, bit higher near coasts coasts

    Tues 6 to 8C

    Frosts possible in a few sheltered places at night Mon and Tues but breeze will probably prevent freezing for most.


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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    With the cold airmass comes breezy conditions and windy along NE, E , SE, S coasts. Looks probably too windy at night for widespread frosts up to Weds next , maybe in some sheltered spots. Little precipitation until Tues /Weds probably more so in the E, SE and some moving inland. Little in the way of wintry showers showing up at present up to Weds apart from maybe sleety mix on the highest terrain I think. Going to feel very cold in the wind.

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    Not too often we see the Jet coming from an easterly direction.

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  • Registered Users Posts: 15,314 ✭✭✭✭Supercell


    Unusual enough to see convergence lines on the charts like in the Bracknell T+60 one. Lots of instability, could be very damp on eastern facing coastal areas next week.

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



  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    The cooler airmass for the week coming. Feeling cold in the stiff breeze and showers along the Eastern coasts especially from Tues. The W doing best escaping most of the showers. Met Eireann mentions possible hail showers on Weds, the passage of an upper Low aiding convection, could have some heavy cold showers. Certainly a big departure from the recent mild weather.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    A lot of rain predicted to fall along the East overnight / tomorrow. Some white peaks in the Wicklow Mts perhaps.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Uncertain on how next Tues and Weds pans out . In general looks windy and very wet at times in places , very mild for a time. Possibility of some very windy weather but this won't get resolved for a couple of days yet as the models come to terms with the complex weather unfolding namely areas of deepening LP, wave depressions being steered by the jet.

    Timing , strength and track will be fine tuning for a couple of days yet at the least. At this stage looking windy Tues Evening / night and Weds morning and could be quite windy during Weds . Rain heavy at times especially in the SW, S and W but this all depends on track.

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  • Registered Users Posts: 9,233 ✭✭✭sdanseo


    Weds just coming into the range of this thread.

    Windy on Wednesday, GFS, ICON seeming to go for 120km/h ish gusts (ICON 150km/h but knock 30 off that for its bias)
    ARPEGE also, we need 6 more frames

    A long way out still of course.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Still looking strong for Weds next , depends a lot on which track it takes. A way to go yet.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    A direct hit from ICON 12Z. Still a spread on track amongst the models which are still chopping and changing, ARPEGE keeps strongest winds up along the W coast, GFS strongest off the E coast , ECM out soon will be interesting. In general all showing very strong winds.

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  • Posts: 0 [Deleted User]


    The far NW may have another wind event Thursday night going into Friday morning.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    Sunday looking quite windy on Atlantic coasts and breezy if not windy overland at times. SW winds bringing rain and a bit milder especially in the Southern half of the country.

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  • Moderators, Science, Health & Environment Moderators Posts: 11,803 Mod ✭✭✭✭Meteorite58


    GFS now more on board with possible very strong winds next Fri. Will see what the ECMWF brings out in the 12Z run. ICON similar .

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This discussion has been closed.
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