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Snow-ice Warning for Ireland 13 / 14 Dec 2017

  • 12-12-2017 9:03pm
    #1
    Moderators, Science, Health & Environment Moderators Posts: 12,069 Mod ✭✭✭✭


    Worthy of a thread I think. Looks very wintry the next couple of days.



    National Weather Warnings

    STATUS YELLOW

    Snow-ice Warning for Ireland
    Scattered heavy thundery showers about Wednesday into Thursday. Rain will occasionally turn to sleet and possibly snow - accumulations of less than 3cm possible. Northwest areas will be most at risk. Slippery roads and paths too due to frost and ice, especially for sheltered spots.

    Issued:Tuesday 12 December 2017 19:00
    Valid:Wednesday 13 December 2017 11:00 to Thursday 14 December 2017 20:00





    Looking like a very wintry day tomorrow with a bit of everything thrown at us. A post frontal unstable airmass pulling in the cold uppers again and what looks like a stream of various precipitation which would seem to have a better chance falling as snow showers on higher ground in the afternoon and possibly a fair chance of snow showers in the East towards late afternoon / early evening ?. Could be a lot of thundery hail showers too popping up anywhere, all in a fresh W'ly airflow giving a sharp windchill . Don't forget your hats and gloves.

    REtglM5.png?1

    tempresult_xsn8.gif

    tempresult_bqk6.gif

    tempresult_wou2.gif

    nmm_uk1-41-29-4_yyf7.png

    tempresult_ndd3.gif

    FNzkrlC.png


«1345

Comments

  • Moderators, Science, Health & Environment Moderators Posts: 12,069 Mod ✭✭✭✭Meteorite58


    A few models for comparison.

    tempresult_wkj5.gif

    tempresult_tht2.gif

    tempresult_rcv2.gif

    r3T8twf.png

    8r7gBid.png


  • Registered Users, Registered Users 2 Posts: 9,234 ✭✭✭sdanseo


    Huge comparison between the HIRLAM and most others regarding the amount of precip, be it snow or rain. Only the GFS broadly in line and it pushes it in a little later and further south.

    Will be interesting to see what plays out.


  • Moderators, Science, Health & Environment Moderators Posts: 7,146 Mod ✭✭✭✭pistolpetes11


    Looking at the above I’m expecting cold cold cold rain , love a drop of cold rain


  • Registered Users, Registered Users 2 Posts: 7,219 ✭✭✭pad199207


    Looking at the above I’m expecting cold cold cold rain , love a drop of cold rain

    We’ve gotten so used to it


  • Registered Users Posts: 282 ✭✭the 12 th man


    Nationwide or for particular counties?


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  • Registered Users, Registered Users 2 Posts: 29,293 ✭✭✭✭Mint Sauce


    Don't know much about reading these charts, but that looks like alot of cold cold rain.


  • Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭Kermit.de.frog


    Posted in wrong thread

    18z GFS

    24-574UK.GIF?12-18

    18z Hirlam

    hirlamuk-1-22-0.png?12-22

    (indicative) GFS is lower res but it's same - long and heavy showers.


  • Registered Users, Registered Users 2 Posts: 12,780 ✭✭✭✭ninebeanrows


    I'd be more hopeful in this situation for snow in Greater Dublin this time compared to the slider..

    We have good land track which could make all the difference. It will be mixed precip but with some intensity we could see temporary covering and perhaps of a few cms. But it won't be around for long, but i do expect to see a few nice snow showers and would place the risk of temporary lying snow at around 50%


  • Registered Users, Registered Users 2 Posts: 9,234 ✭✭✭sdanseo


    I'd be more hopeful in this situation for snow in Greater Dublin this time compared to the slider..

    We have good land track which could make all the difference. It will be mixed precip but with some intensity we could see temporary covering and perhaps of a few cms. But it won't be around for long, but i do expect to see a few nice snow showers and would place the risk of temporary lying snow at around 50%

    And if you're right it'll be at evening rush hour.

    #fun


  • Moderators, Science, Health & Environment Moderators Posts: 12,069 Mod ✭✭✭✭Meteorite58


    Latest 18Z HIRLAM . Not much evidence of Temps dropping below 0C in any of the models.

    tempresult_xuj8.gif

    tempresult_uxv7.gif

    tempresult_ksn0.gif

    hirlamuk-41-23-0_xqk7.png


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  • Registered Users Posts: 2,023 ✭✭✭Donegal Storm


    Meh, even in the unlikely event it does snow it'll just be a horrible slushy mess, I'd far prefer some nice thundery hail showers. Should be an interesting day out wesht in that respect


  • Registered Users, Registered Users 2 Posts: 7,219 ✭✭✭pad199207


    Met Eireann going for falls of sleet and snow this evening


  • Registered Users, Registered Users 2 Posts: 8,219 ✭✭✭Gaoth Laidir


    Woopie, another northwesterly! I can't wait for the hail and sleet!

    The most exciting part of these few days may be the lightning in some parts. I'm not too hopeful of snow at my level anyway (65 m), but hopefully I'm wrong. Eastern Ulster has the best (least bad) chance of snow to lowest levels, but further south and west I can't see it. On higher ground, certainly.


  • Moderators, Technology & Internet Moderators Posts: 17,135 Mod ✭✭✭✭cherryghost


    Rain and windchill = Horrible morning


  • Registered Users, Registered Users 2 Posts: 18,227 ✭✭✭✭JCX BXC


    Knock airport has a chance of snow showers in its TAF from 2pm.


  • Registered Users, Registered Users 2 Posts: 24,355 ✭✭✭✭Larbre34


    Strong ninja snow potential after dark this evening


  • Registered Users, Registered Users 2 Posts: 2,479 ✭✭✭Kamili


    Larbre34 wrote: »
    Strong ninja snow potential after dark this evening

    Love the ninja snow.. but somehow I think this will just be rain again in Dublin


  • Registered Users, Registered Users 2 Posts: 22,597 ✭✭✭✭Akrasia


    Gusty northerly wind and a hail shower just started in Ennis

    Temperature reading as 6c atm


  • Banned (with Prison Access) Posts: 9,005 ✭✭✭pilly


    Freezing cold and lashing rain here on the Limerick/Tipperary/Cork border.


  • Registered Users, Registered Users 2 Posts: 2,479 ✭✭✭Kamili


    Just started lashing here South Dublin, about 6°


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  • Registered Users, Registered Users 2 Posts: 18,227 ✭✭✭✭JCX BXC


    2c at Knock, and reported a shower of sleet at 9:30am.


  • Registered Users, Registered Users 2 Posts: 8,913 ✭✭✭Danno


    Showers driving through, blustery. Sleet at the end of the last shower. Temperatures didn't drop much below 5c all night and as a result all the snow has thawed.

    Currently 5.3c/3.5dp.


  • Banned (with Prison Access) Posts: 9,005 ✭✭✭pilly


    By the looks of the lack of activity this won't turn out to be much. I'm just here hoping and praying for at least a ninja attack at about 4 so I'll get sent home early.

    Temperature has dropped from 6 to 4 and wind is bitterly cold.


  • Registered Users, Registered Users 2 Posts: 1,475 ✭✭✭JustJoe7240


    pilly wrote: »
    By the looks of the lack of activity this won't turn out to be much. I'm just here hoping and praying for at least a ninja attack at about 4 so I'll get sent home early.

    Temperature has dropped from 6 to 4 and wind is bitterly cold.

    I'd be very very surprised if that happens!


  • Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 18,151 Mod ✭✭✭✭DOCARCH


    A mass of showers just off the NW coast now. https://en.sat24.com/en


  • Registered Users, Registered Users 2 Posts: 7,219 ✭✭✭pad199207


    Sleety hail shower in Naas


  • Registered Users, Registered Users 2 Posts: 6,323 ✭✭✭highdef


    Big clump of wintry precipitation arriving into the west and north west now. A few sferics off shore of the Mayo coast.

    You beat me to it, DOCARCH


  • Registered Users Posts: 3,428 ✭✭✭ZX7R


    Watching the BBC weather forecast there now and there chart was showing a lot of snow showers from about 3pm for the east of Ireland


  • Closed Accounts Posts: 3,502 ✭✭✭q85dw7osi4lebg


    Temps dropping, lots of precip around. This could very well turn into a semi eventful day.


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  • Registered Users, Registered Users 2 Posts: 8,477 ✭✭✭AllForIt


    Uggh horrible day in Castlebar, not raining at the moment but ground very wet from all the fully melted snow and a horrible bitter wind and very dull. Weather doesn't get more miserable than this.


  • Registered Users, Registered Users 2 Posts: 8,913 ✭✭✭Danno


    First gale gust for December recorded: 42mph. Unusual for December to have to wait for so long!

    Currently 4.6c/2.1dp.


  • Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭Kermit.de.frog


    Euro4 6pm

    17121318_1306.gif

    Sleet and snow showers progged overnight and widespread.


  • Registered Users, Registered Users 2 Posts: 48,254 ✭✭✭✭km79


    Bitter cold


  • Registered Users, Registered Users 2 Posts: 1,062 ✭✭✭AirBiscuit


    Rain shower that just passed Mulranny had a few flakes of snow that quickly melted when they hit the window.


  • Registered Users, Registered Users 2 Posts: 342 ✭✭yorlum11


    Intense shower of sleet between Westport and Castlebar now. Trying to snow. Temp dropped to 2 degrees in it. Might be an interesting evening ahead.


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  • Registered Users, Registered Users 2 Posts: 1,062 ✭✭✭AirBiscuit


    Sleet again, much heavier this time


  • Registered Users, Registered Users 2 Posts: 290 ✭✭Pete2k


    Earlier hail showers have now turned to proper snow. Ground too wet to stick tho. West roscommon.
    Edit: it's starting to stick to the grass. Ground must still be pretty cold as we still have lying snow in sheltered spots from Saturday night


  • Registered Users, Registered Users 2 Posts: 759 ✭✭✭ltdslipdiff


    Waterford city bright and sunny - may head to Tramore for Ice-cream !


  • Registered Users, Registered Users 2 Posts: 10,725 ✭✭✭✭tom1ie


    Saggart village on the Kildare/Dublin border, sun is out, feels fresh compared to earlier on which was bitterly cold. Calm before the storm?


  • Registered Users Posts: 234 ✭✭konman


    Snowing in ballindine co. mayo, not lodging yet.


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  • Registered Users Posts: 2,981 ✭✭✭JanuarySnowstor


    Well the main trough is just hitting the west coast now....The proper cold is behind this so turning much colder as this passes through. Also convection looks very strong so quite likely that this will aid showers to turn wintry.

    It's a 24 hour event at most but a potent one that should at least deliver some snowfall...
    Lying snow possibly just for very high ground


  • Registered Users, Registered Users 2 Posts: 290 ✭✭Pete2k


    436159.jpg


  • Registered Users, Registered Users 2 Posts: 7,174 ✭✭✭pauldry


    yorlum11 wrote: »
    Intense shower of sleet between Westport and Castlebar now. Trying to snow. Temp dropped to 2 degrees in it. Might be an interesting evening ahead.

    Same here in Sligo


  • Registered Users, Registered Users 2 Posts: 290 ✭✭Pete2k


    436160.jpg


  • Registered Users, Registered Users 2 Posts: 18,227 ✭✭✭✭JCX BXC


    Heavy rain here now with a sleety mix in West Clare, temperature is 5.7c. Had heavy hail and thunder + lightning around 30-40mins ago.


  • Registered Users, Registered Users 2 Posts: 290 ✭✭Pete2k


    Well the main trough is just hitting the west coast now....The proper cold is behind this so turning much colder as this passes through. Also convection looks very strong so quite likely that this will aid showers to turn wintry.

    It's a 24 hour event at most but a potent one that should at least deliver some snowfall...
    Lying snow possibly just for very high ground
    I'm only at 75m asl and sticking pretty good ere now


  • Registered Users, Registered Users 2 Posts: 1,062 ✭✭✭AirBiscuit


    Went to full snow, definitely wasn't expecting that this far west.

    Wmc1z9O.jpg


  • Registered Users Posts: 2,981 ✭✭✭JanuarySnowstor


    Pete2k wrote: »
    I'm only at 75m asl and sticking pretty good ere now

    Where's that?


  • Registered Users Posts: 661 ✭✭✭Mayo_Boy


    Heavy wet snow here
    Crossmolina Mayo


  • Registered Users, Registered Users 2 Posts: 290 ✭✭Pete2k


    Roscommon mayo border. Just south of ballyhaunis.


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