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Big Freeze Discussion (Friday 8/1/10)
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pistolpetes11 wrote: »The M2 is basically a weather station 20 nautical mile of the cost of Howth head.
In some ways it lets you know what is on route to the coastline.
A negative DP, in this case -1.1 is always good if you want your precip to be snow.
On the wind direction ,
if you look at a compass to have from 0 to 360 degree's
0 North
90 East
180 South
270 West.
For use to get really cold winds from eastern europe /russia we like a nice easterly.
In the case of the M2 buoy its showing 80 so its nearly a full easterly , or a North East East if you want to be picky .
Anyhow thats my amateur , laymans description.
Some of the info provided may be wrong and I am open to correction
Nope spot on ; ill second that
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It means the Dew Points are low enough for snow out on the Irish sea and the wind is coming from 80 degrees clockwise from North, which is an easterly wind.
Here was me writing a long winded reply and you jump in there and rob my thunder !
First piece of useful info I was going to give on the weather forum in over a year too
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Anyone got a snow plow to bring spread the snow to south cork, east clare, and donegal? :P
http://www.weatheronline.co.uk/cgi-bin/expertcharts?LANG=en&MENU=0000000000&CONT=ukuk&MODELL=gfs&MODELLTYP=1&BASE=-&VAR=rart&HH=78&ZOOM=1&ARCHIV=0&WMO=
By midnight Sunday, Donegal will be the new Waterford...in snow terms.Sorry
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Just had a thought there (doesn't happen too often in this vacant ceann of mine)....If Met Eireann has advised the Department of the Environment thgat the cold spell is set to continue well into next week, is it not reasonable to suggest that they clearly do not think that the cold spell will lose out to warmer air this Sunday and Monday?
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Anyone got a snow plow to bring spread the snow to south cork, east clare, and donegal? :P
Whatever about Clare and Donegal, Id say that plow could end up being more use clearing the snow in Cork instead of trying to bring more of it Cork could well see plenty of snow if things pan out the "right" way. 0 -
Finally got a yoke for recording outside temps here. Showing an unexpectedly low -6.6 in Terenure (157 feet asl). Accuracy verifying well against the -6 reported at Dublin airport. Casement -8 already:eek:
Had an amazing storm of ice crystals an hour or two ago here, somethng I've never seen before - clouds of tiny ice flecks dancing about in the air like frozen drizzle, and coating surfaces, and feeling like grit being sprinkled on the face. Is that real freezing fog, or the makings of an ice storm ?
Looks like Dublin in for more snow tonight from the Irish Sea
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Just had a thought there (doesn't happen too often in this vacant ceann of mine)....If Met Eireann has advised the Department of the Environment thgat the cold spell is set to continue well into next week, is it not reasonable to suggest that they clearly do not think that the cold spell will lose out to warmer air this Sunday and Monday?
I agree i mean it's fairly huge when the government are getting involved - they don't very often lets face it!:D0 -
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I certainly think that we're going to get the coldest airmass of the winter so far over the weekend, certainly a 100% chance that any precipitation that does fall will fall as snow. The problem I see is I don't see there being much precipitation at all.
With the upper tropospheric high becoming established over the weekend, our only chance of snow will be sea-effect snow. The best chance of will be Friday, but thereafter the effects of the upper high become too much to allow for any deep convection. Any sea effect convection along the east and south will be highly surpressed by a strong inversion from 750-700hPa, which will limit cloudtops to 10,000ft at most. This will greatly limit the potential for any snowfalls of note on Saturday and Sunday, though for early Monday there is potential for brief snowfall with the arrival of the Atlantic breakdown.
So in summary I do see some further decent snow showers in eastern and southeastern counties tonight, tomorrow morning and up to tomorrow afternoon, possibly giving a few cms in places, but thereafter I think the most we can expect are some brief light flurries for the weekend0 -
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Finally got a yoke for recording outside temps here. Showing an unexpectedly low -6.6 in Terenure (157 feet asl). Accuracy verifying well against the -6 reported at Dublin airport. Casement -8 already:eek:
Had an amazing storm of ice crystals an hour or two ago here, somethng I've never seen before - clouds of tiny ice flecks dancing about in the air like frozen drizzle, and coating surfaces, and feeling like grit being sprinkled on the face. Is that real freezing fog, or the makings of an ice storm ?
Looks like Dublin in for more snow tonight from the Irish Sea
Spot on I'd say. -6.6c here too.
Re the ice crystals - google diamond dust.0 -
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I certainly think that we're going to get the coldest airmass of the winter so far over the weekend, certainly a 100% chance that any precipitation that does fall will fall as snow. The problem I see is I don't see there being much precipitation at all.
With the upper tropospheric high becoming established over the weekend, our only chance of snow will be sea-effect snow. The best chance of will be Friday, but thereafter the effects of the upper high become too much to allow for any deep convection. Any sea effect convection along the east and south will be highly surpressed by a strong inversion from 750-700hPa, which will limit cloudtops to 10,000ft at most. This will greatly limit the potential for any snowfalls of note on Saturday and Sunday, though for early Monday there is potential for brief snowfall with the arrival of the Atlantic breakdown.
So in summary I do see some further decent snow showers in eastern and southeastern counties tonight, tomorrow morning and up to tomorrow afternoon, possibly giving a few cms in places, but thereafter I think the most we can expect are some brief light flurries for the weekend
Have you had a look at the breakdown of this cold spell from Monday onwards ?
What types of temps mite one expect after this breakdown ?
So you think we should be expecting a massive downgrade from the MET tomorrow on this Sunday/Monday snowmagedn event ?
Sorry for all the questions0 -
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I certainly think that we're going to get the coldest airmass of the winter so far over the weekend, certainly a 100% chance that any precipitation that does fall will fall as snow. The problem I see is I don't see there being much precipitation at all.
Looked like there was plenty of light/moderate precip on the 18Z GFS charts to me and Met Eireann say...."The east to northeasterly airflow will persist on Sunday and Monday, but with those winds increasing. So the snow threat for the whole of the country increases too. There is likely to be further snow over a wide area, but especially the eastern half of the country, some of it heavy, with possibly some drifting in the winds."
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Star Bingo wrote: »no doubt.. - hey why is it at this time the most important things'r deemed to be bread and milk? "d'ya have bread n milk, bread n milk. alright, away with ya soo.. -youre alright then"
erm.. no, i'm nearly out of Rizla Slim actually nan now willya trudge through the snow and get
I even bought Odlums brown bread mix... Just in case
Im now saying WTF ... I cant bake bread ..... lol:D:D:D 0 -
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Weathercheck wrote: »For me it looks like lots of Snow on Sunday and into Monday.
Then probably turning to sleet/rain near the east south coasts but remaining as snow inland.
Well WC you've been so right so far ...... im with you 0 -
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I certainly think that we're going to get the coldest airmass of the winter so far over the weekend, certainly a 100% chance that any precipitation that does fall will fall as snow. The problem I see is I don't see there being much precipitation at all.
With the upper tropospheric high becoming established over the weekend, our only chance of snow will be sea-effect snow. The best chance of will be Friday, but thereafter the effects of the upper high become too much to allow for any deep convection. Any sea effect convection along the east and south will be highly surpressed by a strong inversion from 750-700hPa, which will limit cloudtops to 10,000ft at most. This will greatly limit the potential for any snowfalls of note on Saturday and Sunday, though for early Monday there is potential for brief snowfall with the arrival of the Atlantic breakdown.
So in summary I do see some further decent snow showers in eastern and southeastern counties tonight, tomorrow morning and up to tomorrow afternoon, possibly giving a few cms in places, but thereafter I think the most we can expect are some brief light flurries for the weekend
If this works out as you say all the models and forecastors from the Met O to Met Eireann are going to looks rather silly.
PS: I genuinly can't see it working out that way SU even if you go by GFS which has been very dodgy recently - ECM has been the form Horse and tonights output has no breakdown right out to 240hrs:)0 -
Just had a thought there (doesn't happen too often in this vacant ceann of mine)....If Met Eireann has advised the Department of the Environment thgat the cold spell is set to continue well into next week, is it not reasonable to suggest that they clearly do not think that the cold spell will lose out to warmer air this Sunday and Monday?
IMO Wolfe, could be wrong, given the current serious situation developing in the country due to the big freeze - lack of grit, transport problems, etc - Met Eireann would be under pressure to not make the wrong call that could result in extenuating the difficultues.
So it may be the case that they are inclined to err on the 'freeze continuing with no let up insight' side to ensure the government departments get their fingers out, rather than tell them it might warm up and be blamed for the consequences if it doesn't.0 -
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found this website. quite good 5-day temp forecast. Looks like we will have easterlies direct from russia for sunday and monday. Nice one to keep track over the next few days.
As Maq said, the stronger the easterly or SE wind blows the more widespread the snow event will be. The closer those isobars the windier it will be
http://scandinavia.meteox.com/forecast.aspx?type=drukverwachting0 -
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