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Big Freeze Discussion [Happy New Year]

  • 01-01-2010 4:56pm
    #1
    Banned (with Prison Access) Posts: 8,633 ✭✭✭darkman2


    Time for the next thread. Where is WC btw? Tonight roads will remain hazardous and become worse as temperatures drop well below freezing. Tomorrow little melt or no thaw is expected where snow has fallen so it is likely to remain.

    Over the weekend wintry showers effecting the North and Northwest and maybe the East later (though these are unlikely to be snow at this stage due to slightly milder air temporarilly). Eleswhere dry. Extremely cold at night and very cold by day with temperature barely above freezing and well below at night.

    Next week sees the coldest and most disruptive phase yet of the cold weather with Ice and Snow becoming widespread generally but particularly the East.


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Comments

  • Registered Users Posts: 12,778 ✭✭✭✭ninebeanrows


    Well the east coast got a taste of things last night.

    I got about a cm but i hear other people have good coverings.

    Amazing how the cities transport system can breakdown so easily, where the hell were the gritters?

    We are likely embarking into a deep cold spell.

    Things look like continuing freezing for at least 10 days and who knows when the spell will end.

    Looking at the next few days, there will be a weak band moving south tomorrow with some sleet and snow likely, then we have winds veering from North to East for 7 days or more.

    There could be snow on the ground in Dublin for weeks.

    Stay warm folks.


  • Registered Users Posts: 490 ✭✭Snowaddict


    It's certainly looking potentially quite severe alright. Tuesday is a day to watch in particular because not only will there be a cold front coming south, but potential also shown for two polar troughs to move southwestwards across the country.

    With regard to the weekend, on Sunday in particular we have an area of Sub -8 850mb air moving down across the country, so I think that Sunday should be fine for snowfall in Eastern areas, if any convective developments were to occur.

    850mb temperatures look bitterly cold for the period, as do maxima and minima temperatures. It's quite likely that more than one location will get double digit minima temperatures.

    From mid week onwards, there is also the risk of a more pronounced due easterly flow, leading to further inland penetration of snow shower activity.

    12Z GEFS Ensembles, 850mb temperatures remain at -8 to -9 by Saturday 9th. In terms of the evolution, there is a possibility of a link up between a somewhat declining Greenland High and a surface pressure rise over Scandinavia much later in the coming week, prolonging the cold spell - However we will have to see a favourable jet axis for this.

    So definitely a bitterly cold week in store, with an increasing risk of snowfall.


  • Posts: 6,025 ✭✭✭[Deleted User]


    its getting cloudy, like night night kind of in Lucan, we might get more snow .


  • Banned (with Prison Access) Posts: 8,633 ✭✭✭darkman2


    Better merge this thread with this one

    http://www.boards.ie/vbulletin/showthread.php?t=2055784248

    ;)


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    0c here in Waterford City already. Thats the coldest it's been down here this early in the evening since the cold spell began I think.


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  • Registered Users Posts: 32,634 ✭✭✭✭Graces7


    No words needed...In the back field here tonight..



    sunsettwo.jpg


    sunsetone.jpg


  • Banned (with Prison Access) Posts: 8,633 ✭✭✭darkman2


    Latest UKMO shows an increasingly Northeast flow with very cold air coming in next week

    Rukm961.gif

    Rukm1201.gif


    Rukm1441.gif


    Alot of snow if any those charts occur but the last one in particular is serious stuff for the East, Midlands and South.


  • Moderators, Science, Health & Environment Moderators Posts: 16,677 Mod ✭✭✭✭Gonzo


    Sunday and Monday looks like being the mildest days over the next week. Getting much colder from Monday evening onwards.


  • Registered Users Posts: 2,246 ✭✭✭rc28


    Gonzo wrote: »
    Sunday and Monday looks like being the mildest days over the next week. Getting much colder from Monday evening onwards.

    I notice it's gone cloudy in our area, is there still snizzle falling at yours?


  • Moderators, Science, Health & Environment Moderators Posts: 16,677 Mod ✭✭✭✭Gonzo


    the snizzle was only for a minute or so, put it shows that there is potential for snow showers overnight.


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  • Registered Users Posts: 32,634 ✭✭✭✭Graces7


    It seems very vague somehow..

    The chill is huge tonight already. Deep and wide.

    Small wonder ancient Scandinavian mythology images hell as freezing cold.

    Ulster
    01 January 2010- updated at 16:00
    Today

    Remaining dry in areas this evening but snow showers in other parts and bitterly cold throughout. Fog will persist in some parts. Widespread frost will occur. Winds light, variable or northerly.

    Tonight

    Turning even colder tonight with snow showers in places. Widespread severe or very severe ground frost will occur. There will be little or no wind and this will allow patches of freezing fog to set in. Lowest temperatures -4 to -10 degrees Celsius.

    Tomorrow

    Saturday will be bitterly cold. Snow is forecast and will become persistent and heavier in places later in the day. Frost, ice and freezing fog will last throughout the day in some locations. Winds will remain light and temperatures will rise above freezing only in coastal areas.


  • Closed Accounts Posts: 986 ✭✭✭jenzz


    No thaw at all.. Solid sheet snow. Im in a dip@ the top of a hill with no shade so unless temps dramaticly rise ill be like this for at least a week ( like last Feb) . Got car eventually up drive last night so she will be staying up there.... not like i be going anywhere in it .. currently 1.9 with dp -1.9


  • Banned (with Prison Access) Posts: 8,633 ✭✭✭darkman2


    Snowaddict wrote: »
    It's certainly looking potentially quite severe alright. Tuesday is a day to watch in particular because not only will there be a cold front coming south, but potential also shown for two polar troughs to move southwestwards across the country.

    With regard to the weekend, on Sunday in particular we have an area of Sub -8 850mb air moving down across the country, so I think that Sunday should be fine for snowfall in Eastern areas, if any convective developments were to occur.

    850mb temperatures look bitterly cold for the period, as do maxima and minima temperatures. It's quite likely that more than one location will get double digit minima temperatures.

    From mid week onwards, there is also the risk of a more pronounced due easterly flow, leading to further inland penetration of snow shower activity.

    12Z GEFS Ensembles, 850mb temperatures remain at -8 to -9 by Saturday 9th. In terms of the evolution, there is a possibility of a link up between a somewhat declining Greenland High and a surface pressure rise over Scandinavia much later in the coming week, prolonging the cold spell - However we will have to see a favourable jet axis for this.

    So definitely a bitterly cold week in store, with an increasing risk of snowfall.

    Overall a good sum up. Tomorrow night there is a risk of snow in the East

    gfs-2-36.png?12

    But it should be sleet or even rain initially. Could give a further top up on what we have.


  • Registered Users Posts: 285 ✭✭GavinH


    Sunny all day in Cork. Temperature rose to 3 at it highest. Cloadless skies still, with the temperature falling rapidily and at -3.4c at the moment.


  • Registered Users Posts: 9,978 ✭✭✭445279.ie


    Freezing fog in Newcastle West all day. But don't think it feels as cold as it says on accuweather :D

    http://www.accuweather.com/ukie/index-forecast.asp?postalcode=newcastle%20west


  • Registered Users Posts: 5,564 ✭✭✭Pangea


    I notice everyone is talking about the east for a snowfall event, yet met eireann is pointing to significant snow for the northwest.


  • Closed Accounts Posts: 237 ✭✭knoximus


    -3 in KK city. fog moving in patches.


  • Banned (with Prison Access) Posts: 5,524 ✭✭✭owenc


    Well the east coast got a taste of things last night.

    I got about a cm but i hear other people have good coverings.

    Amazing how the cities transport system can breakdown so easily, where the hell were the gritters?

    We are likely embarking into a deep cold spell.

    Things look like continuing freezing for at least 10 days and who knows when the spell will end.

    Looking at the next few days, there will be a weak band moving south tomorrow with some sleet and snow likely, then we have winds veering from North to East for 7 days or more.

    There could be snow on the ground in Dublin for weeks.

    Stay warm folks.

    weathercheck whats your view on this trough can ulster expect much snow btw just to say we have 1cm snow lying here from a 20 minutes shower with snow flakes 1cm in width


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    Would be nice if this came off :D

    Taken from Yr.no

    xlkld2.jpg


  • Registered Users Posts: 490 ✭✭Snowaddict


    darkman2 wrote: »
    Overall a good sum up. Tomorrow night there is a risk of snow in the East

    But it should be sleet or even rain initially. Could give a further top up on what we have.

    Thanks DM2

    The latest UKMO FAX charts are now out:

    T+24 - Tomorrow - 12 Noon

    Two associated polar troughs, as mentioned above, moving south, penetrating inland across many areas by the looks of it - likely to present the risk of wintry preciptation as you have said, quite possibly snowfall, especially inland and over higher ground. In addition, there is a better chance the further east, away from any Atlantic maritime modification influences.

    http://www.meteociel.fr/modeles/ukmo2.php?ech=24&carte=2000

    T+36

    Trough still clearing south across the country, across the Southeast at this point. It should retain relatively moderate preciptation intensity, especially further east with a source from the Irish Sea:

    http://www.meteociel.fr/ukmo/fax/fax36s.gif


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  • Registered Users Posts: 32,634 ✭✭✭✭Graces7


    My thoughts exactly...

    But then we have had this for two weeks now so it is old news!

    All enjoy wherever
    Pangea wrote: »
    I notice everyone is talking about the east for a snowfall event, yet met eireann is pointing to significant snow for the northwest.


  • Closed Accounts Posts: 847 ✭✭✭mickger


    Waterford City to Dunmore East road is very dangerous in places with thick icy stretches . Temp is -0.8c DP -1.8c. Clear night


  • Registered Users Posts: 2,246 ✭✭✭rc28


    Snowaddict wrote: »
    Thanks DM2

    The latest UKMO FAX charts are now out:

    T+24 - Tomorrow - 12 Noon

    Two associated polar troughs, as mentioned above, moving south, penetrating inland across many areas by the looks of it - likely to present the risk of wintry preciptation as you have said, quite possibly snowfall, especially inland and over higher ground. In addition, there is a better chance the further east, away from any Atlantic maritime modification influences.

    http://www.meteociel.fr/modeles/ukmo2.php?ech=24&carte=2000

    T+36

    Trough still clearing south across the country, across the Southeast at this point. It should retain relatively moderate preciptation intensity, especially further east with a source from the Irish Sea:

    http://www.meteociel.fr/ukmo/fax/fax36s.gif

    Thanks SA for your, as ever, informative and well-put together posts. Is this a new feature that has appeared in the charts for tomorrow? ie have Met E taken this into account in their forecasts? Why are the conditions suddenly marginal for snow again- I thought we were well under the cold upper air by now?


  • Subscribers Posts: 8,322 ✭✭✭Scubadevils


    As was said earlier and now ties in with latest model info, the met update at 16.00 indicated a snow upgrade (if thats how you view it!) for the Leinster area...
    Saturday will be bitterly cold. Snow is forecast later and is likely to become persistent and heavier in places in the afternoon. Frost, ice and freezing fog will last throughout the day in some locations. Winds will remain light and temperatures will rise above freezing only in coastal areas.
    http://www.met.ie/forecasts/regional.asp?Prov=Leinster


  • Registered Users Posts: 11,134 ✭✭✭✭maquiladora


    Pangea wrote: »
    I notice everyone is talking about the east for a snowfall event, yet met eireann is pointing to significant snow for the northwest.

    Ah just a bit of wishcasting. :D


  • Registered Users Posts: 2,246 ✭✭✭rc28


    Felixdhc wrote: »
    As was said earlier and now ties in with latest model info, the met update at 16.00 indicated a snow upgrade (if thats how you view it!) for the Leinster area...

    Wow, didn't see any mention of that in the earlier forecast - they really do change their minds a lot! Loving this weather:D


  • Registered Users Posts: 631 ✭✭✭inabina


    owenc wrote: »
    weathercheck whats your view on this trough can ulster expect much snow btw just to say we have 1cm snow lying here from a 20 minutes shower with snow flakes 1cm in width

    why the chance of sleet tomorrow? bit of warmer air in this polar low?


  • Banned (with Prison Access) Posts: 5,524 ✭✭✭owenc


    Where is this trough located up in the north of scotland ?


  • Banned (with Prison Access) Posts: 5,524 ✭✭✭owenc


    inabina wrote: »
    why the chance of sleet tomorrow? bit of warmer air in this polar low?

    were are you hearing this from far to cold for sleet id like to think


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  • Closed Accounts Posts: 14,144 ✭✭✭✭Cicero


    -2.5 in Kildare area currently.....feels very cold and snow never melted on many roads today...recokon a lot of roads will be very slippy tonight....


This discussion has been closed.
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