The Weather Outlook

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Polar Low
20 January 2019 19:37:11

indeed Zub but I do think we may see a little of the white stuff down here from that, anyway set looks cold at the surface 

http://www.meteociel.fr/modeles/gefs_table.php?x=0&y=0&lat=51.5085&lon=-0.12574&run=12&ext=fr&mode=7&sort=0

 

 

 

 

Problem is that even if the pattern proves to be right , it will be heavily modified come the time ,with any significant snow for the usual spots in a cold north westerly. They are rubbish for most of low land southern and Eastern England

Originally Posted by: Zubzero 

The Beast from the East
20 January 2019 19:37:52

That is a very tight and potentially volatile looking thermal gradient between NFL and GL at 240:

http://www.wetterzentrale.de/maps/ECMOPEU00_240_2.png

 

 

 

Originally Posted by: Chunky Pea 

The extreme cold coming off the eastern seaboard will fire up the atlantic and probably flatten the pattern


Purley, Surrey, 70m ASL

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Phil24
20 January 2019 19:39:47

 

Hang on a minute , wasn't this forecast as a backloaded winter.?

All the action was meant to be after any SSW 

Originally Posted by: Gooner 

Yes it was, glad someone remembers.  Nothing has changed including the need to cling to fantasy charts out in FI.  Get 8 hours of one page post, then a little change and all hell is breaking loose.  It's still only January, loads to play for.  

Polar Low
20 January 2019 19:40:38

Get your heating fixed Geoff hope you have been cold today without it in a nice way

 

The extreme cold coming off the eastern seaboard will fire up the atlantic and probably flatten the pattern

Originally Posted by: The Beast from the East 

jhall
20 January 2019 19:42:16

That is a very tight and potentially volatile looking thermal gradient between NFL and GL at 240:

http://www.wetterzentrale.de/maps/ECMOPEU00_240_2.png

 

 

Originally Posted by: Chunky Pea 

That's the 0Z run. The 12Z isn't that different, and looks like this. I like the suggestion of WAA up the west coast of Greenland.


Cranleigh, Surrey
jhall
20 January 2019 19:44:38

 

Problem is that even if the pattern proves to be right , it will be heavily modified come the time ,with any significant snow for the usual spots in a cold north westerly. They are rubbish for most of low land southern and Eastern England

Originally Posted by: Zubzero 

It looks like a very marked cold front rather than just shower activity, so I don't think what you say necessarily applies in this case.


Cranleigh, Surrey
Polar Low
20 January 2019 19:47:12

Looks better here uppers about-7

 

That's the 0Z run. The 12Z isn't that different, and looks like this. I like the suggestion of WAA up the west coast of Greenland.

Originally Posted by: jhall 

Polar Low
20 January 2019 19:53:19

it is but zub is right on his comment, white stuff on back edge

http://www.meteociel.fr/modeles/gefs_table.php?x=0&y=0&lat=51.5085&lon=-0.12574&run=12&ext=fr&mode=3&sort=0

 

 

It looks like a very marked cold front rather than just shower activity, so I don't think what you say necessarily applies in this case.

Originally Posted by: jhall 

jhall
20 January 2019 19:54:05

Looks better here uppers about-7

 

Originally Posted by: Polar Low 

I was following up the point the OP made about the sharp temperature gradient just off the coast of Newfoundland, when I said it wasn't that different to the 0Z, rather than considering our own neck of the woods.


Cranleigh, Surrey
Shropshire
20 January 2019 20:04:42

 

The extreme cold coming off the eastern seaboard will fire up the atlantic and probably flatten the pattern

Originally Posted by: The Beast from the East 

Yes, the ECM is the sort of sequence that downgrades both in upper temps and synoptics nearer the time, with the Azores High ending up playing much more of a role than progged at this stage.

I'm afraid after the Northern blocking failure of the NWP we are now left with the crumbs of this.

 


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DPower
20 January 2019 20:07:10
Pretty underwhelming ouput this evening considering strat forcing potential post t168. Plenty of time for the input to change over the coming week to something a lot more potent hopefully. Perhaps I'm setting the bar to high but am expecting much better than mediocre northerlies all things considered.

I think the SSW certainly changed the course of this winter from mid Dec to present. EC46, met updates and recent model output lends us to believe the strat downwelling will be worth sacrificing over half the winter for, but with everyones patience close to breaking point after repeated false dawns and winter nirvana type synoptics always in the distance anything less than a prolonged ( 2 to 4 weeks) cold, very cold spell will be a big disappointment.

Phil24
20 January 2019 20:09:20

Looks very much like both continents can and are going to get a slice of the cake.  How often does that happen.

 

White Meadows
20 January 2019 20:15:47
ECM FI looks good tonight. Beast waiting to pounce and could easily change things quickly & dramatically if the Azores hp takes a bit of a holiday...

http://www.wetterzentrale.de/en/topkarten.php?map=1&model=ecm&var=1&time=240&run=12&lid=OP&h=0&tr=24&mv=0#mapref 

Chunky Pea
20 January 2019 20:23:11

 

That's the 0Z run.

Originally Posted by: jhall 

Ah right. Not sure how that happened?  


Patrick,

East Galway, Ireland.

Weathermac
20 January 2019 20:47:40

 

Yes, the ECM is the sort of sequence that downgrades both in upper temps and synoptics nearer the time, with the Azores High ending up playing much more of a role than progged at this stage.

I'm afraid after the Northern blocking failure of the NWP we are now left with the crumbs of this.

 

Originally Posted by: Shropshire 

Cant you pair get a room together so you can share your pessimisms in private .

Read the met update ...yes winter is delayed this week but it is coming and when it does i expect it will be severe.

fairweather
20 January 2019 20:48:15

Pretty underwhelming ouput this evening considering strat forcing potential post t168. Plenty of time for the input to change over the coming week to something a lot more potent hopefully. Perhaps I'm setting the bar to high but am expecting much better than mediocre northerlies all things considered.
I think the SSW certainly changed the course of this winter from mid Dec to present. EC46, met updates and recent model output lends us to believe the strat downwelling will be worth sacrificing over half the winter for, but with everyones patience close to breaking point after repeated false dawns and winter nirvana type synoptics always in the distance anything less than a prolonged ( 2 to 4 weeks) cold, very cold spell will be a big disappointment.

Originally Posted by: DPower 


S.Essex, 42m ASL
Saint Snow
20 January 2019 20:49:41

I've not given up on snow here on Monday night into Tuesday.

BBC and Met Office aren't enthusiastic, and it could well be one of those annoying set ups where you need >200m altitude so it's just slush or worse here, but we'll see.

 

 


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marco 79
20 January 2019 20:49:49

[quote=DPower;1076145]Pretty underwhelming ouput this evening considering strat forcing potential post t168. Plenty of time for the input to change over the coming week to something a lot more potent hopefully. Perhaps I'm setting the bar to high but am expecting much better than mediocre northerlies all things considered.
I think the SSW certainly changed the course of this winter from mid Dec to present. EC46, met updates and recent model output lends us to believe the strat downwelling will be worth sacrificing over half the winter for, but with everyones patience close to breaking point after repeated false dawns and winter nirvana type synoptics always in the distance anything less than a prolonged ( 2 to 4 weeks) cold, very cold spell will be a big disappointment

----------------------------------------------------------------------------------------------------------------

As a point of note ....only 2 out 3 ssw's deliver a colder than average setup....


Home : Mid Leicestershire ...135m ASL
Robertski
20 January 2019 20:51:48

 

Cant you pair get a room together so you can share your pessimisms in private .

Read the met update ...yes winter is delayed this week but it is coming and when it does i expect it will be severe.

Originally Posted by: Weathermac 

 

To be fair the METO have been saying it will get very in the extended forecast since December and.....it never quite arrives!

White Meadows
20 January 2019 20:55:06

 

 

To be fair the METO have been saying it will get very in the extended forecast since December and.....it never quite arrives!

Originally Posted by: Robertski 

Perhaps the strat event arrived later than expected? 

It could really be as simple as that.

at least we know for a fact this has taken place.

tallyho_83
20 January 2019 20:56:28

it is but zub is right on his comment, white stuff on back edge

http://www.meteociel.fr/modeles/gefs_table.php?x=0&y=0&lat=51.5085&lon=-0.12574&run=12&ext=fr&mode=3&sort=0

 

 

Originally Posted by: Polar Low 

What we want is for that frontal system on Monday night into Tuesday is to stall so the colder air can undercut this and turn any rain to snow more quicker. I guess that we would also need the precipitation to be more intense too for this to happen. Not quite the thundersnow we had back end of Jan 2004 or was in 2003? I remember end of Jan (either 03 or 04 when there was a thundersnow event for the south!? Pretty sure it was on a Monday night!? Can anyone remember this? Could this event Monday night into Tuesday be a thundersnow event?

We had temps of 5c and then temps fell in rain and rain turned to snow and then the snow became power dry as temperatures fell to -2c behind the front. The snow started to stick too and then freeze! I think it was on 28th Jan 2003 or 2004 - strange how I remember the date but not the year ha! Does anyone remember this event? Well


Home Location - Vixen Tor Close, Okehampton, Devon (221m ASL)


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doctormog
20 January 2019 20:57:35

N

 

 

To be fair the METO have been saying it will get very in the extended forecast since December and.....it never quite arrives!

Originally Posted by: Robertski 

The cold was always forecast for the middle January onwards, as is highlighted in the extended outlook from the 1st of January

“UK Outlook for Wednesday 16 Jan 2019 to Wednesday 30 Jan 2019:

It is likely start unsettled across most areas at first, with perhaps heavy rain and gales at times, especially in the north, where severe gales are possible. Hill snow is also possible, as well as snow to lower levels at times in the north. By the third week of January there is then an increased likelihood of a change to much colder weather generally, bringing an enhanced risk of frost, fog and snow. These conditions may then continue to the end of the month, but some milder, wet and windy interludes also remain possible throughout this period.”

Considering the timescale and model uncertainty that was a pretty good call (including the low level snow there has been in parts of the north).


jhall
20 January 2019 21:05:06

 

 To be fair the METO have been saying it will get very in the extended forecast since December and.....it never quite arrives!

Originally Posted by: Robertski 

It seems strangely appropriate that the word after "very" should have somehow gone AWOL from your post. :)


Cranleigh, Surrey
Robertski
20 January 2019 21:09:30

 

It seems strangely appropriate that the word after "very" should have somehow gone AWOL from your post. :)

Originally Posted by: jhall 

 

Quite

Maunder Minimum
20 January 2019 21:18:06

Excellent run - the chase straight away begins 

 

Another cold NWly approaches

 

Originally Posted by: Gooner 

Yet more eye candy at 10 days. Wake me up when we see some eye candy charts at 5 days - then I will take note. All we have been doing so far this winter is chasing, chasing never catching - the winter hare this season is too fast for our tired old dogs to catch.


New world order coming.

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