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01-01-2010, 16:56   #1
darkman2
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Cold Discussion cont: Coldest Phase Yet: Major Disruption next week esp East

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.

Last edited by darkman2; 01-01-2010 at 17:00.
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01-01-2010, 17:04   #2
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Big Freeze Discussion [Happy New Year]

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.
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01-01-2010, 17:06   #3
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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.
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01-01-2010, 17:10   #4
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its getting cloudy, like night night kind of in Lucan, we might get more snow .
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01-01-2010, 17:11   #5
darkman2
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Better merge this thread with this one

http://www.boards.ie/vbulletin/showt...p?t=2055784248

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01-01-2010, 17:11   #6
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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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01-01-2010, 17:16   #7
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Winter sunset...

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






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01-01-2010, 17:17   #8
darkman2
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Latest UKMO shows an increasingly Northeast flow with very cold air coming in next week









Alot of snow if any those charts occur but the last one in particular is serious stuff for the East, Midlands and South.
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01-01-2010, 17:20   #9
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Sunday and Monday looks like being the mildest days over the next week. Getting much colder from Monday evening onwards.
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01-01-2010, 17:22   #10
rc28
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Quote:
Originally Posted by Gonzo View Post
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?
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01-01-2010, 17:24   #11
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the snizzle was only for a minute or so, put it shows that there is potential for snow showers overnight.
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01-01-2010, 17:33   #12
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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.
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01-01-2010, 17:36   #13
 
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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
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01-01-2010, 17:36   #14
darkman2
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Quote:
Originally Posted by Snowaddict View Post
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



But it should be sleet or even rain initially. Could give a further top up on what we have.
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01-01-2010, 17:38   #15
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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.
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