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Cold snap Jan 10th onwards: Wintry Showers, Snow Accumulations for some

Kermit.de.frog · 2015-01-08 04:19:44

Folks, Snow showers becoming heavy and frequent in the northwest and north early Saturday morning should extend to many other places (but not all) during daylight hours with the potential for significant falls in the northwest particularly later Saturday evening. The far southeast could stay dry. For Sunday it will be…

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#152 10-01-2015 5:33pm
Iancar29

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snowinwinter wrote: »

FWVT I promise you it is really snowing here. I am not sure what Iancar is talking about mild air for, I have just looked at the Euro 4 and at 6am the 850pha temps are -6c and the dam is 526.

I just can't see temps going below 1/2 degrees at official stations tonight , the cold 850s are moving away then.

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#153 10-01-2015 5:34pm
snowinwinter

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Iancar29 wrote: »

I just can't see temps going below 1/2 degrees at official stations tonight , the cold 850s are moving away then.

I actually wouldn't be surprised if they don't because its common for wind to hold temps up but i'm just saying at midnight at my location uppers are still -8c and the dam is 522 so it should be snowing.

I think its a waiting game. So if temp right now is 2c and I still have at least another 8 hours of snow.. we might get a covering. If that cloud off donegal is a band of rain then maybe..

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#154 10-01-2015 5:34pm
FWVT

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snowinwinter wrote: »

FWVT I promise you it is really snowing here. I am not sure what Iancar is talking about mild air for, I have just looked at the Euro 4 and at 6am the 850pha temps are -6c and the dam is 526.

Yes, and that is just a little to the wrong side of marginal I'm afraid.

You need to look at a lot more than just those 2 parameters though. That's why today's been a bit of a disappointment to so many.

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#155 10-01-2015 5:36pm
snowinwinter

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FWVT wrote: »

Yes, and that is just a little to the wrong side of marginal I'm afraid.

You need to look at a lot more than just those 2 parameters though. That's why today's been a bit of a disappointment to so many.

Yes but thats at 6am, at midnight uppers are -8c. We still have that clump of cloud to come in.

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#156 10-01-2015 5:36pm
Iancar29

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Yep strong winds not good for low temps , if there was a slack breeze just enough to get showers to form and to help temps go lower it would be alot more interesting indeed.

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#157 10-01-2015 5:37pm
snowinwinter

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Iancar29 wrote: »

Yep strong winds not good for low temps , if there was a slack breeze just enough to get showers to form and to help temps go lower it would be alot more interesting indeed.

I'm watching that clump of cloud on sat24. If its going to be all snow I think it might lie.

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#158 10-01-2015 5:41pm
Baggy Trousers

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Just rain in Galway now. I hope more snow comes after dark.

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#159 10-01-2015 5:44pm
snowinwinter

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Yep can see the cloud on net weather radar now, big red clumps of showers coming.

Temp 1.9c, dew point is -1c.

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#160 10-01-2015 5:46pm
snaps

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The Atlantic is mad strong. Since the 24th Dec the temp here in Southern Poland hasn't been above 0. on Wednesday it was -21c here, 30cm of snow lying up until last night. Today its gone from -1 to +15c in 12 hours. Massive thaw on here.

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#161 10-01-2015 5:50pm
Northern Chaser

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Raining in maghera...game over this time

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#162 10-01-2015 5:52pm
snowinwinter

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Marked trough approaching from the NW. This is the 'main' feature which will extend showers S and E this eve. #uksnow

Matt hugo.

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#163 10-01-2015 5:59pm
snowinwinter

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Can report it is snowing again.

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#164 10-01-2015 6:06pm
snaps

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That squall line that started over Ireland is still strong over Germany/Poland! Massive winds here in Southern Poland currently.

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#165 10-01-2015 6:11pm
snowinwinter

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Impressive!

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#166 10-01-2015 6:13pm
FWVT

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snowinwinter wrote: »

I'm watching that clump of cloud on sat24. If its going to be all snow I think it might lie.

That's increased upper cloud due to a slight upper shortwave. It will not change the conditions in the lower levels, but may just give the convection a bit of a kick.

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#167 10-01-2015 6:13pm
snowinwinter

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FWVT wrote: »

That's increased upper cloud due to a slight upper shortwave. It will not change the conditions in the lower levels, but may just give the convection a bit of a kick.

What do you mean? Is it a band of rain or showers??

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#168 10-01-2015 6:15pm
Rock Lesnar

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snowinwinter wrote: »

What do you mean? Is it a band of rain or showers??

Keep an eye out your window, thats what i do now, best forecast around

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#169 10-01-2015 6:17pm
snowinwinter

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We really need the temp to drop and these showers to last longer tbh. t seems since 2010 its been impossible just to get a bloody covering, is it too much to ask for.

Even 1cm.

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#170 10-01-2015 6:21pm
FWVT

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snowinwinter wrote: »

What do you mean? Is it a band of rain or showers??

In the heaviest showers it will continue to be what it's been - snow - but otherwise rain, hail or sleet.

I would imagine...

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#171 10-01-2015 6:22pm
snowinwinter

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alright.

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#172 10-01-2015 6:30pm
FWVT

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FWVT wrote: »

In the heaviest showers it will continue to be what it's been - snow - but otherwise rain, hail or sleet.

I would imagine...

The upper feature has not actually made any difference at all. It's almost passed over and no change in precipitation. Heavy drizzle at Donegal Airport!

SPECI EIDL 101703Z AUTO 28031G45KT 6000 +DZ FEW016 SCT028 BKN045 05/01 Q1013=

...and as you were at the synops

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#173 10-01-2015 6:32pm
snowinwinter

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Its on coast though. 2c here.

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#174 10-01-2015 6:36pm
snaps

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Where are you snowinwinter?

Are you in Antrim or Derry? Near Coleraine?

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#175 10-01-2015 7:28pm
mountainy man

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Have had snow showers on and off all day but not sticking, since 18.00 temp has dropped and dew point has been rising, currently 0.9C dp -1.8C.

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#176 10-01-2015 7:34pm
Baggy Trousers

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I looked up "dew point" but can someone explain it to me and especially how it affects whether we get snow or not.

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#177 10-01-2015 7:36pm
Rougies

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Baggy Trousers wrote: »

I looked up "dew point" but can someone explain it to me and especially how it affects whether we get snow or not.

Good snow guide here. There's a section about dew points.
http://www.boards.ie/vbulletin/showthread.php?t=2056447334

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#178 10-01-2015 7:41pm
FWVT

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Ballypatrick Forest (156 m) is now showing snow now along with Lough Fea (225 m), but Glennane (161 m) has turned back to rain. Rain or hail at every other synop and airport station in Ireland. Dewpoints in Ulster are on the whole around a degree up on earlier, with Castlederg the only one below zero (-0.3 °C).

So there are no photos of all these places that got low-level snow today? I only saw one from Donegal.

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#179 10-01-2015 7:47pm
Mech1

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snowinwinter wrote: »

Its on coast though. 2c here.

Whats your location?

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#180 10-01-2015 7:57pm
snowinwinter

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Tbh its gone to a very wet snow but its going from wet snow to dry snow to graupel, the constant stream of showers will cause temps to decrease and dew points to increase.

Don't really care now as long as I seen some snow. Now hopefully the snow on Tuesday actually lies, getting a bit flipped off now.

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#181 10-01-2015 7:57pm
snowinwinter

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Baggy Trousers wrote: »

I looked up "dew point" but can someone explain it to me and especially how it affects whether we get snow or not.

It is really important but also the wet bulb is important. I think two weeks ago I had rain at 1c and a negative dew.

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