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Convective/Thunderstorm Discussion Autumn/ Winter 2023

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Comments

  • Registered Users, Registered Users 2 Posts: 3,968 ✭✭✭Dazler97


    The tornado 🌪 that hit Manchester was a T5 winds between 137mph and 160mph or equivalent to an EF3 , I thought wexford was hit by one going by the hook echos on radar



  • Registered Users, Registered Users 2 Posts: 3,065 ✭✭✭Captain_Crash


    There was a distinct hook, but it was “hooking” the wrong way around for a northern hemisphere system so it was just a coincidently shaped band of heavy rain



  • Registered Users, Registered Users 2 Posts: 3,968 ✭✭✭Dazler97


    Oh yes I had forgotten about the difference in northern/southern hemisphere, my bad



  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    TORRO keeping an eye on events to see if there is a repeat of the very active weather that went through associated with Gerrit.

    The post frontal airmass looks like producing some thunderstorms along Atlantic coasts with unstable troughs approaching the Irish coast, they may be mostly over water or next to the coasts where instability might be at its most , will see again if a few migrate inland. I'm interested for later in the night/ early morning also to see if there is an uptick in activity especially around the West as the wrap around occluded front, close to the systems center, moves in over Ireland. Could be gusty then also or even squally showers for a time.


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  • Registered Users, Registered Users 2 Posts: 519 ✭✭✭Donegal Ken


    Potential tomorrow morning for a supercell even a tornado risk.

    IMG_20231229_212425.png gfs_stp_eur18.png gfs_srh_eur18.png IMG_20231229_212442.png




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  • Registered Users, Registered Users 2 Posts: 571 ✭✭✭gugsy


    Screenshot_2023-12-29-23-14-23-51_40deb401b9ffe8e1df2f1cc5ba480b12.jpg pression2_atl.png

    Some activity out at sea seems to be headed our way.



  • Registered Users, Registered Users 2 Posts: 10,114 ✭✭✭✭spookwoman


    Some lightning around Mayo, Galway and Clare



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


    yep and nothing in the forecast, 10 hour thunderstorm warning the last day and not a thing...asleep at the wheel as usual.



  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    Big convection here near the Kerry coasts, gusty and gone very dark , expecting sleet or hail from this one moving in over us.

    Not a bad first half of the day with some blue skies, biting winds though and increasing showers now look set to move in. Will see if it gets active down my way.

    Very heavy rain and hail shower now, gone incredibly dark.

    Lightning seems to be dying out in the W for now.

    EDIT: spoke too soon, sparking a bit offshore again. Fair chance of continuing into the night and early morning. Got a big thunderstorm here about 06.30 from Gerrit, very loud with lightning nearby.. my wife and son went around the house disconnecting the pc, tv etc ......I slept through the whole thing 😁

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    Post edited by Meteorite58 on


  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    it's in the warning all right.

    Status Yellow - Wind and Rain warning for Clare, Cork, Kerry, Limerick, Waterford, Galway, Mayo, Wexford

    Met Éireann Weather Warning

    Southwest winds will be strong and gusty at times coupled with heavy rain and thundery showers.


    Potential Impacts:


    • Surface flooding

    • Wave overtopping

    • Loose debris, objects displaced

    • Difficult travelling conditions

    Valid: 02:00 Saturday 30/12/2023 to 23:00 Saturday 30/12/2023

    Issued: 11:00 Friday 29/12/2023


    Screenshot 2023-12-30 142643.png




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  • Registered Users, Registered Users 2 Posts: 10,114 ✭✭✭✭spookwoman


    Looks like a squall line forming along the west coast



  • Registered Users, Registered Users 2 Posts: 571 ✭✭✭gugsy


    IMG20231230150534.jpg

    Very dark clouds here in South Galway looking towards the burren



  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    Back end of one of those heavy showers with some mammatus a short time ago here near the Kerry coast.

    Photo_0001.jpg




  • Registered Users, Registered Users 2 Posts: 10,621 ✭✭✭✭Oscar Bravo


    Fair few strikes around Galway Bay



  • Registered Users, Registered Users 2 Posts: 32,686 ✭✭✭✭zell12


    A 260-mile stretch of Britain has been slapped with a tornado warning lasting until the early hours of Sunday by a specialist forecaster that predicts cyclones. Analysts at the Tornado and Storm Research Organisation (TORRO) have warned that much of England and the entirety of Wales should brace for 'severe thunderstorms' that could spin out 'isolated tornadoes', gusts of up to 70mph and 2cm hailstones.

    Map shows swathe of Eire too!

    image.png




  • Registered Users, Registered Users 2 Posts: 6,181 ✭✭✭Storm 10


    Lightning Moucullen Galway



  • Registered Users, Registered Users 2 Posts: 10,114 ✭✭✭✭spookwoman


    Might be some activity working it's way up to the south coast



  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    Will they make the distance off the SW 😀

    Screenshot 2023-12-30 203931.png




  • Registered Users, Registered Users 2 Posts: 6,181 ✭✭✭Storm 10


    What is that long snake like heavy rain running from Blackhead in Galway bay directly to Galway City where its lashing

    Sorry its breaking up now should have taken a screen shot looked strange



  • Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 19,546 Mod ✭✭✭✭DOCARCH


    Tell me about it! Just been on the big wheel in Eyre Square. Thought there was a gap between the showers....minute we got on the heavens opened again....4 spins later!



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  • Registered Users, Registered Users 2 Posts: 29 LoxontheRox


    Two flashes of lightning here in North Clare just moments ago....deep rumbles of thunder and power is gone in Doolin!



  • Registered Users, Registered Users 2 Posts: 6,181 ✭✭✭Storm 10


    Guys can anyone explain why three houses half mile apart in Donegal were struck by lightning and destroyed I also read that a car driving by was also struck, what could cause that is it something in the houses that attracted the lightning I think the houses were identical so could be something there.

    https://www.thesun.ie/news/12043599/houses-donegal-lightening-storm-isha-weather/



  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    Approaching front with a relatively high Theta E reading might get a bit convective and unstable this evening/ tonight as it nears the W ( over relatively cool SST's ) , maybe some sporadic /isolated thunderstorms moving inland and around the S or SE coasts and some heavy localised embedded rain in the frontal passage as the upper trough and associated cold pool with increasing low and deep shear moving in over Ireland. Best chance along Atlantic counties but hare to pin point.

    Just a side note to see how the AROME performs showing some activity possible in the W or NW extending across to the NE in the form of heavy rain and possibly getting electrified,will see.


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  • Moderators, Science, Health & Environment Moderators Posts: 13,115 Mod ✭✭✭✭Meteorite58


    No sferics detected last night, not enough instability, AROME did well showing the heavy rain over parts of the top third of the country.



  • Registered Users, Registered Users 2 Posts: 10,621 ✭✭✭✭Oscar Bravo


    Some nice rumbles of thunder west of Castlebar along the Mayo coast



  • Registered Users, Registered Users 2, Paid Member Posts: 366 ✭✭ascophyllum


    Power out for a few thousand in West Mayo, went right on one of those flashes apparently



  • Registered Users, Registered Users 2 Posts: 1,117 ✭✭✭StormForce13


    The Icelandic lightning webpage at http://brunnur.vedur.is/athuganir/eldingar/i_dag_na.html? appears to have stopped updating at midnight on 31 Jan.

    Can anyone advise whether it has been discontinued or has just moved to a new web address?

    I find it a valuable source of information about lightning approaching the South West coast.

    Post edited by StormForce13 on


  • Registered Users, Registered Users 2 Posts: 1,117 ✭✭✭StormForce13



    Promises, promises! https://www.netweather.tv/weather-forecasts/uk/convective

    SEVERE WEATHER WATCH - THURS 22 FEB 2024

    Issued 2024-02-21 21:35:14

    Valid: 21/02/2024 2100 - 23/02/2024 0000

    Forecast Details

    • Strong wind gusts up to 45-60mph
    • Isolated tornadoes
    • lightning
    • Hail 
    • Intense rain leading to flash-flooding

    Areas at risk of the above: S IRELAND, SW ENGLAND, S WALES, S MIDS, S ENGLAND, E ANGLIA



  • Registered Users, Registered Users 2 Posts: 6,181 ✭✭✭Storm 10


    Thunder and lightning near Spiddal Co Galway



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  • Registered Users, Registered Users 2 Posts: 12,688 ✭✭✭✭LambshankRedemption


    Hailstones in East Galway.



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