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12-12-2017, 20:03   #1
Meteorite58
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Snow-ice Warning for Ireland 13 / 14 Dec 2017

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.














Last edited by Meteorite58; 12-12-2017 at 20:30.
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12-12-2017, 21:06   #2
Meteorite58
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A few models for comparison.









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12-12-2017, 21:34   #3
sdanseo
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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.
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12-12-2017, 22:00   #4
pistolpetes11
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Looking at the above I’m expecting cold cold cold rain , love a drop of cold rain
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12-12-2017, 22:02   #5
pad199207
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Quote:
Originally Posted by pistolpetes11 View Post
Looking at the above I’m expecting cold cold cold rain , love a drop of cold rain
We’ve gotten so used to it
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12-12-2017, 22:19   #6
the 12 th man
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Nationwide or for particular counties?
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12-12-2017, 22:30   #7
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Don't know much about reading these charts, but that looks like alot of cold cold rain.
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12-12-2017, 22:38   #8
Kermit.de.frog
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Posted in wrong thread

18z GFS



18z Hirlam



(indicative) GFS is lower res but it's same - long and heavy showers.
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12-12-2017, 22:52   #9
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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%
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12-12-2017, 23:04   #10
sdanseo
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Quote:
Originally Posted by Weathercheck View Post
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
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12-12-2017, 23:31   #11
Meteorite58
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Latest 18Z HIRLAM . Not much evidence of Temps dropping below 0C in any of the models.







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12-12-2017, 23:46   #12
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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
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13-12-2017, 06:59   #13
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Met Eireann going for falls of sleet and snow this evening
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13-12-2017, 07:25   #14
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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.
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13-12-2017, 07:35   #15
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Rain and windchill = Horrible morning
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