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Cold: Snow/Ice - Sat 17th March Onward - READ MOD NOTE POST #1

Kermit.de.frog

MOD NOTE

This is a busy thread and as a result the Mod Team will be taking a zero Tolerance approach to trolling, flaming and personal abuse.

Don’t say you weren’t warned!!

And please don’t feed Trolls- report & let the Mod team deal with Troublesome Posters rather than further derailing threads.

Thanks

Yellow warning issued from Met Eireann

STATUS YELLOW

Weather Advisory for Leinster, Cavan and Monaghan
Advance warning for cold weather this weekend with low-temperatures, snow-showers, snow-accumulation mainly Saturday night and Sunday.

Issued:Friday 16 March 2018 09:00
Valid:Friday 16 March 2018 09:03 to Sunday 18 March 2018 23:59

**Forecast UPDATED 15th March**

Turning much colder through Saturday as easterly winds become established across the country overnight Friday.

Increasingly unstable air with heavy snow showers coming on to the east coast through Saturday morning will become more widespread through the afternoon with accumulations of snow by evening.

It will feel increasingly raw through Saturday as temperatures fall and the wind chill increases.

Overnight heavy and frequent snow showers most especially in eastern and southeastern coastal counties but most areas are at risk of some snowfall. Heavy falls likely occasionally with some drifting at times which may lead to much reduced visibility. Some thunderstorm activity is also possible with ice pellets mixed in with snowfall at times. Some temporary blizzard like conditions are possible locally in heavy shower bands.

Snow showers, still heavy, continuing through Sunday. The showers becoming less frequent by Sunday night but still further accumulations in the east.

On Monday snow and hail showers will be lighter and will be dieing out by Monday evening.

Max temperatures on Saturday 1 to 7c (falling quickly by mid-morning). Sunday, -1 to 3c.

Frost and ice will be widespread Saturday and Sunday nights with lows of -1 to -5c both nights. Locally lower where snow has settled.

Amounts of snow likely to be in the 5 - 15 cm range generally but more locally particularly in eastern coastal counties.

Possible warnings: Yellow/Orange

Possible hazards:

* Snow
* Ice
* Frost

Most likely source of disruption at the current time: Snow showers

Areas most at risk: Leinster/Munster

Please keep an eye on the model thread for lots of technical chat, charts and all sorts of other useful information from great posters!

https://www.boards.ie/vbulletin/show...7847461&page=8

Farmers, in particular, should consider taking whatever precautions they may need to take given the time of year on a "just in case" basis.

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Comments

Kermit.de.frog

Some of these runs are verging on Orange warning for eastern parts Saturday night and Sunday. Get under a convective shower train at this time of year and quite a bit of snow will fall in a short period of time and it will quickly accumulate.

Increased risk of thunderstorm activity too.

Drifting is also a real risk given the powdery nature of the precipitation. Visibility could fall quickly in heavy snow showers.

I predict "interesting" journeys home Saturday night for party goers.

BLIZZARD7

ICON pretty good too @ +72hrs

And the 00z Arpege... Well now this could end up quite a snowy weekend if things keep trending this way, 850s a touch higher here however (Still -10c or lower at times)

arpegeeur-0-72.png?0

Kermit.de.frog

Snow showers may arrive in time for Dublin parade on the UKMO.

BLIZZARD7

UKMO is a direct hit at +72 hours! pretty low pressure and the upper deep cold pool right over Ireland = Instability. GFS very similar to the 18z. I know which I'd rather have on board at this timeframe... :cool:

Kermit.de.frog

UKMO 00z

Potentially heavy convective snow showers getting well inland from Saturday evening and overnight. Risk of some drifting of snow at times.

hatrickpatrick

Meteociel down for anyone else? "Connection Refused"?

gabeeg

You must be talking about farm banks.

I wouldn't know, I'm from Dublin

An Ri rua

tikkamark wrote:

Is Monday not a bank holiday?

gabeeg wrote:

Of course it is.

gabeeg wrote:

pffft

Not if you're driving a snow plough?! Or delivering bread. Or carrots..

M.T. Cranium

I think the 12z models Thursday should tell the story on this, but so far evidence for significant snow potential is limited. I expect a few weak streamers and localized 3 to 5 cm type falls if the "major models" are correct so far. The main story will be cold nights and chilly days.

However, the door is not closed on heavier snow possibilities, if the high is a little slower in asserting itself and we get more gradient combined with lower pressures overall this weekend.

Will certainly be watching closely as 00z guidance rolls out in a few hours. The east coast North American storm has pretty much done its thing now so the models will have a complete handle on that by now. (It dropped 40 to 70 cm of snow throughout New England into New Brunswick and southern Quebec and has weakened considerably on Wednesday, now drifting north towards Labrador).

duffman13

Andy From Sligo wrote: »

in a nutshell - how are we going to be affected in Sligo ?

You're not, it might be bit nippy though

Andy From Sligo

in a nutshell - how are we going to be affected in Sligo ?

jArgHA

Bicycle wrote: »

Will it be Breadmageddon all over again? :eek:

Sliced Panic Stations here we come!

SleetAndSnow

nacho libre wrote: »

It looks like we could see a northerly later on if the GFS is correct.
What a year this has been so far weather wise. Hopefully, given we are entering solar minimum territory, next winter will be epic in terms of snow and depth of cold.

I'm thinking a beast from the east in January, and all the glory that would entail- record breaking low temperatures, snow on the ground for days without thawing. The bar has been raised ladies and gents!

At the very least I think 2018 is already a memorable year and one for the history books this early on!

nacho libre

It looks like we could see a northerly later on if the GFS is correct.
What a year this has been so far weather wise. Hopefully, given we are entering solar minimum territory, next winter will be epic in terms of snow and depth of cold.

I'm thinking a beast from the east in January, and all the glory that would entail- record breaking low temperatures, snow on the ground for days without thawing. The bar has been raised ladies and gents!

BabysCoffee

Can't wait to make my first doughman..... I mean snowman

Calibos

spookwoman wrote: »

You're on a roll there

Don't get me wrong, I love Snow but its going to make getting to work a PITA.

spookwoman

Calibos wrote: »

Its going to be Pandemonium!!

You're on a roll there

Calibos

Bicycle wrote: »

Will it be Breadmageddon all over again? :eek:

Its going to be Pandemonium!!

Snowbiee21

Bicycle wrote: »

Will it be Breadmageddon all over again? :eek:

Probably , even if not needs be! The country is mad

Bicycle

Will it be Breadmageddon all over again? :eek:

Meteorite58

https://twitter.com/JoannaDonnellyL/status/973981149717508097

uck51js9zml2yt

Kermit.de.frog wrote: »

**Forecast UPDATED 14th March**

Snow

Ice

Frost

Fees like a new episode of Game of THrones:D

YanSno

Latest 18z gfs has the cold air bit more to the north west

derekon

Kermit.de.frog wrote: »

**Forecast UPDATED 14th March**

Turning much colder through Saturday as easterly winds become established across the country with snow showers expected Saturday night and Sunday most especially in eastern and southeastern coastal counties. Some moderate to heavy falls likely with some drifting at times.

Max temperatures on Saturday 1 to 7c (falling through the afternoon). Sunday, 1 to 3c.

Frost and ice will be widespread Saturday and Sunday nights with lows of -1 to -5c both nights. Locally lower where snow has settled.

Possible warnings: Yellow/Orange

Possible hazards:

Snow

Ice

Frost

Most likely source of disruption at the current time: Snow showers

Areas most at risk: Leinster/Munster

The cold weather may continue in to the early days of next week but it should be drier overall.

Please keep an eye on the model thread for lots of technical chat, charts and all sorts of other useful information from great posters!

https://www.boards.ie/vbulletin/showthread.php?t=2057847461&page=8

What the hell has happened in the last hour???? We're talking moderate to heavy falls of snow and drifting?!!!! ME are saying a few flurries and cold!!

Kermit, is your post a ramp or have the models seriously upgraded this evening???

D

Kermit.de.frog

**Forecast UPDATED 14th March**

Turning much colder through Saturday as easterly winds become established across the country with snow showers expected Saturday night and Sunday most especially in eastern and southeastern coastal counties. Some moderate to heavy falls likely with some drifting at times.

Max temperatures on Saturday 1 to 7c (falling through the afternoon). Sunday, 1 to 3c.

Frost and ice will be widespread Saturday and Sunday nights with lows of -1 to -5c both nights. Locally lower where snow has settled.

Possible warnings: Yellow/Orange

Possible hazards:

Snow
Ice
Frost

Most likely source of disruption at the current time: Snow showers

Areas most at risk: Leinster/Munster

The cold weather may continue in to the early days of next week but it should be drier overall.

Please keep an eye on the model thread for lots of technical chat, charts and all sorts of other useful information from great posters!

https://www.boards.ie/vbulletin/showthread.php?t=2057847461&page=8

Kermit.de.frog

A perkier update to the OP coming this evening

BLIZZARD7

beefburrito wrote: »

I'd say it'll be that wet sloppy stuff, you'd hear it splatting at the window....

It ain't coming from the west...

Pangea

10 Day 'Action Packed' Forecast from Met UK

https://www.facebook.com/metoffice/videos/10155660039774209/

beefburrito

I'd say it'll be that wet sloppy stuff, you'd hear it splatting at the window....

Rebelbrowser

gerrybhoy wrote: »

long as the roads and the like aren't too bad,the weekend of the snow gone,the football went ahead in England apart from a few lower league matches

could be different if it snows heavily in the hours leading up to the match which looks possible