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Strong winds and possible severe thunderstorms developing late today (Sat 4th July)

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Comments

  • #32
    Larbre34
    Registered Users Posts: 23,795 ✭✭✭✭Larbre34


    81 km/h gust at Casement in the Midnight hour. Yellow thresholds likely to be exceeded widely, I think with the potential debris issue one might have been issued


  • #33
    Larbre34
    Registered Users Posts: 23,795 ✭✭✭✭Larbre34


    81 km/h gust at Casement in the Midnight hour.

    Yellow thresholds likely to be exceeded widely, I think with the potential debris issue one might have been issued


  • #34
    JCX BXC
    Registered Users Posts: 18,101 ✭✭✭✭JCX BXC


    Nothing out of the ordinary in West Clare, windy evening, on and off drizzle. That's about it really.


  • #35
    M.T. Cranium
    Registered Users Posts: 14,324 ✭✭✭✭M.T. Cranium


    The main item with this near-warning situation is potential for locally intense thunderstorm cells and the peak of that potential comes around noon to 3 p.m. when the core of strongest upper level winds coincides with an energy peak and the diurnal max from solar heating of the unstable air mass.

    While these obviously won't be widespread, they will be locally quite severe with hail and strong wind gusts. There would be a slight risk situation for a weak tornado also. Inland north central counties most at risk, then diminishing levels of risk to the south.

    Looking at the satellite imagery I wouldn't expect too much to happen before about 1030-1100h.


  • #36
    Meteorite58
    Moderators, Science, Health & Environment Moderators Posts: 11,812 Mod ✭✭✭✭Meteorite58


    No big changes in this morning's runs. Strongest winds from early afternoon gusting 80 to 90 km/h overland, easing in the evening but remain blustery. Not much rain from this in the Southern half of the country, most rain further N you go. Some big squally showers. Isolated thunderstorms possible more so in Northern counties.


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  • #37
    pad199207
    Registered Users Posts: 7,116 ✭✭✭pad199207


    Status Yellow - Wind warning for Connacht, Cavan, Monaghan, Donegal, Dublin, Kildare, Longford, Louth, Wicklow, Offaly, Westmeath, Meath and Clare

    Met Éireann Weather Warning

    Later this morning and through the afternoon, westerly winds will reach mean wind speeds of 50 to 60km/h, with gusts of 80 to 100km/h associated with any thundery downpours. Some disruption may occur.

    Valid: 11:00 Sunday 05/07/2020 to 18:00 Sunday 05/07/2020

    Issued: 08:00 Sunday 05/07/2020


  • #38
    McGiver
    Registered Users Posts: 4,366 ✭✭✭McGiver


    Very bad wind with strong gusts. Galway City.


  • #39
    watlantic
    Registered Users Posts: 155 ✭✭watlantic


    Strongest gust in my exposed location near Westport was 39.1 kts (72 km/h).
    Squally shower just arriving here.


  • #40
    antodeco
    Registered Users, Subscribers Posts: 13,423 ✭✭✭✭antodeco


    Very strong gusts during the night (Lucan, Dublin). Can still the here the windows being rattled now. Think I'll skip the zoo today! Those charts are showing peak activity when I'm due out. Not looking forward to finding the balcony furniture!


  • #41
    Meteorite58
    Moderators, Science, Health & Environment Moderators Posts: 11,812 Mod ✭✭✭✭Meteorite58


    Windy here in Kerry getting up to 56 km/h, remaining dry . Bright sunny spells with passing cloud.

    Some big showers showing up, maybe heavier more active cloud approaching the NW, N now into the afternoon.


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    Latest AROME 06Z


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  • #42
    pauldry
    Registered Users Posts: 6,876 ✭✭✭pauldry


    In Sligo since the "bad" weather started yesterday evening we have had 1mm of rain.


  • #43
    SophieLockhart
    Registered Users Posts: 203 ✭✭SophieLockhart


    'Violent shower' at Casement on the midday reports.


  • #44
    nthclare
    Banned (with Prison Access) Posts: 3,316 ✭✭✭nthclare


    A lot of the water table's in Clare are well up,the falls in Ennistymon are in full flow, and the waters dark brown.

    There's going to be a lot of fresh water flowing off the land, not good for watersports as whatever flow's off the land will be cold water definitely not as warm as the ocean temperature.


  • #45
    JCX BXC
    Registered Users Posts: 18,101 ✭✭✭✭JCX BXC


    nthclare wrote: »
    A lot of the water table's in Clare are well up,the falls in Ennistymon are in full flow, and the waters dark brown.

    There's going to be a lot of fresh water flowing off the land, not good for watersports as whatever flow's off the land will be cold water definitely not as warm as the ocean temperature.

    Ocean Temp is around 14.6°c off coast of Clare, Shannon airport soil temp for the week 27/06-04/07 is 14.0°c. Hardly make much of a difference?


  • #46
    pauldry
    Registered Users Posts: 6,876 ✭✭✭pauldry


    87 kph in Mace Head


  • #47
    nthclare
    Banned (with Prison Access) Posts: 3,316 ✭✭✭nthclare


    JCX BXC wrote: »
    Ocean Temp is around 14.6°c off coast of Clare, Shannon airport soil temp for the week 27/06-04/07 is 14.0°c. Hardly make much of a difference?

    You're talking averages, I'm sure if you checked the water temperature in certain places you'll find some differences.

    The soil around the airport would be different too, say anywhere near the lowlands where you've a lot of rain accumulated you'll find the soil temperature less than where there's shade etc. There's a big difference between the temperature of the soil beside a building and the temperature of the soil where there's a run off.

    I'm sure the temperature in the airport at the moment isn't exactly low, I'd say it's at boiling point at the moment.

    If you paddled out on a surfboard where there's a lot of fresh water running off, especially in Lahinch at high tide you'll see the discoloration in the water with your naked eye.
    The Inagh river always empties into Liscannor bay and all the run off from the land changes the colour and temperature of the bay for a short time.
    As well as that, if there's little swell and wave action it'll take a few days for the temperature to regulate again.


  • #48
    Glenomra
    Registered Users Posts: 743 ✭✭✭Glenomra


    The discolouration in the runoff in lahinch at high tide isn't all from the Inagh river unfortunately.


  • #49
    nthclare
    Banned (with Prison Access) Posts: 3,316 ✭✭✭nthclare


    Glenomra wrote: »
    The discolouration in the runoff in lahinch at high tide isn't all from the Inagh river unfortunately.

    I know it comes off the land, especially all the low cliff's along where the reef's are, there's another stream coming out from Cregg beach too..


  • #50
    Mortelaro
    Closed Accounts Posts: 4,431 ✭✭✭Mortelaro


    pad199207 wrote: »
    Status Yellow - Wind warning for Connacht, Cavan, Monaghan, Donegal, Dublin, Kildare, Longford, Louth, Wicklow, Offaly, Westmeath, Meath and Clare

    Met Éireann Weather Warning

    Later this morning and through the afternoon, westerly winds will reach mean wind speeds of 50 to 60km/h, with gusts of 80 to 100km/h associated with any thundery downpours. Some disruption may occur.

    Valid: 11:00 Sunday 05/07/2020 to 18:00 Sunday 05/07/2020

    Issued: 08:00 Sunday 05/07/2020
    Max gust in Arklow between 3 and 4pm today was 74kmh
    Currently Gusting in the high 60s
    A few very short but very sharp showers


  • #51
    M.T. Cranium
    Registered Users Posts: 14,324 ✭✭✭✭M.T. Cranium


    The only evidence of thunderstorms I've seen on radar would be in east Ulster around Belfast. Seemed to become more active once it hit Britain. Quite gusty for July though, a fairly normal November day perhaps.


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  • #52
    Meteorite58
    Moderators, Science, Health & Environment Moderators Posts: 11,812 Mod ✭✭✭✭Meteorite58


    Not many sferics detected. Recent sferic near Westport it would seem. Still some heavy rain in the Northernmost part of Ireland.

    https://twitter.com/MetEireann/status/1279888274077687808?s=20


    DwrbxYt.png


  • #53
    M.T. Cranium
    Registered Users Posts: 14,324 ✭✭✭✭M.T. Cranium


    I liked the atmosphere the way it was before we wrecked it. These greenhouse gases may or may not be doing bad things to temperatures but I suspect they are adding a stability load to the atmosphere and blanding out situations that maybe 30-40 years ago would have produced volatile weather. It's not a big enough effect to overcome the really potent systems but it seems to be damping down the marginal ones quite consistently. Not sure if any research has been done in this area because it's only a problem for weather enthusiasts if we have a few less thunderstorms.

    I've noticed the same thing in other climate regions, it's not just western Europe. Could be stability profile interference or it could be the result of adding tenths of a degree to temperatures and not to dewpoints. Would be interesting to hear other opinions on this.


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