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Cold hunt - models and chat


Paul
Message added by Paul

Please ensure that the majority of your posts in this thread are model related - a theme of model discussion needs to run throughout.
Some off topic chat and reactions are ok, but please use other, more relevant threads for entirely off-topic chat (such as snow reports, met office forecasts and general chat/moans about the weather or this winter).

For more no banter and just model discussion please head to the new focused model thread - this is also a great place to post (or cross post) your longer model summaries or thoughts around the models.

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Posted
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
15 minutes ago, Weathizard said:

What is causing the restrengthening of the PV? Remember people saying when we had the SSW that the PV would struggle and be in tatters for the rest of winter potentially, seems to be doing the exact opposite and reforming stronger than at any point this winter? Seems to me the theme of this winter is it dies down a little bit then powers up again.

GFS has been showing a strat-trop coupling of westerlies that have returned in the stratosphere from the 10th, so this may be why we are seeing the arctic circle filling with blues and purples (low heights) to our N and NW in the models.

gfs_nh-namindex_20190204.thumb.png.bfdd15c8d5f26a9d0c3753e82db8ed23.png

However, this doesn't rule out brief cold polar/arctic shots such is indicated this Sunday, quite a potent arctic blast on 12z GFS op, though doesn't suggest much snow away from northern and northeastern areas.

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Posted
  • Location: SE London
  • Location: SE London

Spare a thought for the medium range forecasters in New York – only a few days ago the daytime max temp was -12C and today its +17C ! 

And we think UK model-watching is stressful !

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Posted
  • Location: Sedgley 175metres above sea level
  • Weather Preferences: Any kind of extremes. But the more snow the better.
  • Location: Sedgley 175metres above sea level
37 minutes ago, snow freak said:

This winter now needs to take a hike.  It has failed to deliver in so many ways so just bring on the summer now.  Winter has had its chance and flunked it big time this year

And when summer fails to deliver, do we say just bring on winter! It's a never ending circle all of this, just because ukmo didn't build on its earlier run. Who's to say ecm won't deliver and tomorrow's runs are a big upgrade, when we reach rock bottom my friend, THE ONLY WAY IS UP @):-

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Posted
  • Location: Nuneaton,Warks. 128m asl
  • Weather Preferences: Snow then clear and frosty.
  • Location: Nuneaton,Warks. 128m asl

A very mobile pattern for the next week at least and we are now in the situation of highlighting anything with a hint of a ridge as a respite from this west to east mobile +nao pattern which has never really left us through much of Winter.

So a little cold snap around day 5 is the only sign of anything from the north

UN120-21.thumb.gif.bf53b1614f0af126a74e20653b6e48bb.gifUN120-7.thumb.gif.5362856873665a9bcf421f9d1fb2f500.gif

a transient affair which may deliver some snowfall further north briefly but all rather underwhelming.

It's likely we then see the high move in but apart from some frost it looks to be held too far south to promise any real cold from the north or east at this stage.

 

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Posted
  • Location: North Norfolk
  • Location: North Norfolk

After the weekend's windy/wet spell, high pressure settling around the UK seems the most likely scenario and has been pretty consistent now.   It could be very mild depending how far south/east that ends up.  Definitely no chance of it ridging north in the short term.  Models seem to be playing around with some retrogression towards Greenland in FI but I have no confidence given the pattern so far this winter.  It feels as if we're just feeding on the scraps.  As far as the SSW impact, i guess if you live in the US, you'd say it was massive.  Here, had you not known there was a SSW, perhaps we'd never have noticed..

That's just my pure layman's assessment..Meanwhile, i've struggled to see a snowflake, let alone any lying snow and the chances of this winter passing without a decent snowfall in my locale seems to be increasing as we march on through Feb.   Still time I know, but signs are weak at present. 

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Posted
  • Location: Bath, Oxford
  • Weather Preferences: Cold and snowy winters, hot and sunny summers with thunderstorms!
  • Location: Bath, Oxford
Just now, Stephen W said:

After the weekend's windy/wet spell, high pressure settling around the UK seems the most likely scenario and has been pretty consistent now.   It could be very mild depending how far south/east that ends up.  Definitely no chance of it ridging north in the short term.  Models seem to be playing around with some retrogression towards Greenland in FI but I have no confidence given the pattern so far this winter.  It feels as if we're just feeding on the scraps.  As far as the SSW impact, i guess if you live in the US, you'd say it was massive.  Here, had you not known there was a SSW, perhaps we'd never have noticed..

That's just my pure layman's assessment..Meanwhile, i've struggled to see a snowflake, let alone any lying snow and the chances of this winter passing without a decent snowfall in my locale seems to be increasing as we march on through Feb.   Still time I know, but signs are weak at present. 

Always keep the hope. Remember we had no idea what March would bring this time last February. We were getting hints but we didn't know for sure.  

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Posted
  • Location: Sedgley 175metres above sea level
  • Weather Preferences: Any kind of extremes. But the more snow the better.
  • Location: Sedgley 175metres above sea level
1 minute ago, Stephen W said:

After the weekend's windy/wet spell, high pressure settling around the UK seems the most likely scenario and has been pretty consistent now.   It could be very mild depending how far south/east that ends up.  Definitely no chance of it ridging north in the short term.  Models seem to be playing around with some retrogression towards Greenland in FI but I have no confidence given the pattern so far this winter.  It feels as if we're just feeding on the scraps.  As far as the SSW impact, i guess if you live in the US, you'd say it was massive.  Here, had you not known there was a SSW, perhaps we'd never have noticed..

That's just my pure layman's assessment..Meanwhile, i've struggled to see a snowflake, let alone any lying snow and the chances of this winter passing without a decent snowfall in my locale seems to be increasing as we march on through Feb.   Still time I know, but signs are weak at present. 

If you lived on the eastern seaboard then you wouldn't agree with that, they to have not been dealt a very favourable hand.

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Good Evening all

Alas I am writing this with a sinking feeling in my heart. Just seems that months of waiting for winter to arrive and sitting here writing this has been a kick in the teeth. With a great sigh of sadness to be honest I think we have had our lolly. We are just waving the left over stick in frustration like a wand hoping that some miracle grace comes to our rescue on the few weeks that are left.

to be honest and looking at the current output I cannot see anything that will lift the mood. This winter was not meant to be despite having some good outside factors. We have still a couple of weeks left and maybe something will change in our favour. Even if it does not I know we will wait for next winter still living in hope. 

Who knows one winter I may be here writing something different.

the search for our winter wonderland will always continue

wishing you all a great evening

regards

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Posted
  • Location: St rads Dover
  • Weather Preferences: Snow, T Storms.
  • Location: St rads Dover
53 minutes ago, Ed Stone said:

Dear Marjorie,

I have a friend, whose entire life is dominated by weather-models...image.thumb.png.fcd75890b0765a9384b041b722f772f5.png

Yours

Distraught of East Suffolk.

PS: Hasn't mookie 10's 'sad' button worn out, yet?

Lol I know her, she lives here in Dover.

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Posted
  • Location: Cambridge, UK
  • Weather Preferences: Summer > Spring > Winter > Autumn :-)
  • Location: Cambridge, UK

Looks like a Valentine’s Day 1998 redux on the 12z gfs! Uppers at 8c in mid feb?? Crazy.

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.
4 minutes ago, mb018538 said:

Looks like a Valentine’s Day 1998 redux on the 12z gfs! Uppers at 8c in mid feb?? Crazy.

Oh no, not another bloody massacre!

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Posted
  • Location: Redhill, Surrey
  • Weather Preferences: Southerly tracking LPs, heavy snow. Also 25c and calm
  • Location: Redhill, Surrey

So where from here. HLB won’t take hold, it hasn’t this winter and won’t......nice cold blast coming Sunday, transitory but still cold.  I’m looking now for the Atlantic to play the ball, and hopefully a jetstream shifted south.  Maybe some deep LPs crossing southern half U.K. moving into Benelux to look out for last week of Feb, maybe a sub lows like UKMO shows t120.....could be a nice whip in the tail.

Now wouldn’t it be something if March was very cold again with the main HLB taking hold?

 

BFTP

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Posted
  • Location: st albans
  • Location: st albans

Given the binary nature of the extended eps clusters and the fact that the gefs still have around 40% of members showing a wintry extended solution, I suspect it won’t be long until some decent week 2 ops appear and the thread will become busy and less depressed........if the gfs or para don’t find a wintry week 2 solution over one of their next four runs then start to worry !

Edited by bluearmy
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Posted
  • Location: uxbridge middlesex(- also Bampton oxfordshire
  • Weather Preferences: blizzard conditions. ice days
  • Location: uxbridge middlesex(- also Bampton oxfordshire
1 minute ago, BLAST FROM THE PAST said:

So where from here. HLB won’t take hold, it hasn’t this winter and won’t......nice cold blast coming Sunday, transitory but still cold.  I’m looking now for the Atlantic to play the ball, and hopefully a jetstream shifted south.  Maybe some deep LPs crossing southern half U.K. moving into Benelux to look out for last week of Feb, maybe a sub lows like UKMO shows t120.....could be a nice whip in the tail.

Now wouldn’t it be something if March was very cold again with the main HLB taking hold?

 

BFTP

An exaction of some of the longer rangers!!!..

@very late feb/early march..

With a whip of heights and again some deep pooling infer...

I hate to use it but...REDUX 2018!!!..

The spaces need watching!!!

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Posted
  • Location: Eastbourne and Larnaca,Cyprus .
  • Location: Eastbourne and Larnaca,Cyprus .

The GFS Op showing on the GEFS is all wrong.

It’s gone wild from about 12 hrs out .

Edited by nick sussex
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Posted
  • Location: Reigate Hill
  • Weather Preferences: Anything
  • Location: Reigate Hill
5 minutes ago, nick sussex said:

The GFS Op showing on the GEFS is all wrong.

It’s gone wild from about 12 hrs out .

That is normal for the GFS op!

Try the Control:

anim_dxq9.gif

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Posted
  • Location: Manchester Deansgate.
  • Weather Preferences: Heavy disruptive snowfall.
  • Location: Manchester Deansgate.
9 minutes ago, nick sussex said:

The GFS Op showing on the GEFS is all wrong.

It’s gone wild from about 12 hrs out .

What do you mean wild? - any chance you can post what you are seeing please?

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Posted
  • Location: Reigate Hill
  • Weather Preferences: Anything
  • Location: Reigate Hill
1 minute ago, feb1991blizzard said:

What do you mean wild? - any chance you can post what you are seeing please?

....

graphe3_1000_306_149___.thumb.gif.f819ee4f9cce270a8462404788218b1c.gif

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Posted
  • Location: Manchester Deansgate.
  • Weather Preferences: Heavy disruptive snowfall.
  • Location: Manchester Deansgate.

See what you mean now Nick, input data 5c out - thats hardly going to improve GFS's poor form in terms of accuracy!!

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.
12 minutes ago, tight isobar said:

An exaction of some of the longer rangers!!!..

@very late feb/early march..

With a whip of heights and again some deep pooling infer...

I hate to use it but...REDUX 2018!!!..

The spaces need watching!!!

And here come the Long Ranger! 

 

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