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Gooner
27 November 2017 22:54:59

Blocked theme continues


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


tallyho_83
27 November 2017 23:00:40


Blocked theme continues


Originally Posted by: Gooner 


Some very mild weather coming our way from middle to later stages of next week showing up on tonight's GFS run!? Temps INTO DOUBLE FIGURES even TEENS!? Where did this one come from? or just an Outlier?



 


Home Location - Kellands Lane, Okehampton, Devon (200m ASL)
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Sean Moon
Magical Moon
www.magical-moon.com


tallyho_83
27 November 2017 23:02:39


 


Still no concern the theme is the same 


Originally Posted by: Gooner 


As in the Greenland blocking? We keep the strong Greenland HP until 7th or 8th December at the very least!


Home Location - Kellands Lane, Okehampton, Devon (200m ASL)
---------------------------------------
Sean Moon
Magical Moon
www.magical-moon.com


Polar Low
27 November 2017 23:15:42
Don’t go beyond t120 major gfs problems with energy to the s/w and energy leaving Greenland see panel

http://www.meteociel.fr/cartes_obs/gens_panel.php?modele=0&mode=1&ech=120 
Gandalf The White
27 November 2017 23:33:50

Don’t go beyond t120 major gfs problems with energy to the s/w and energy leaving Greenland see panel

http://www.meteociel.fr/cartes_obs/gens_panel.php?modele=0&mode=1&ech=120

Originally Posted by: Polar Low 


Yes, but part of that uncertainty is about timing and intensity. If you run the sequence the bubble of greatest uncertainty flows SE. But your general point stands, given the sensitivity of the evolution to events in that area.


Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


Karl Guille
28 November 2017 06:28:11
After a brisk three or four days of northerlies and the associated snow showers the 00z GFS provides a more settled theme as we head through the weekend and into a new week as high pressure drifts eastwards over the UK and towards Europe blocking a return to the colder northerlies predicted in previous days. Its a similar theme on the GEM and UKMO with doubtless some cold daytime and night time temperatures to come.

http://modeles.meteociel.fr/modeles/gfs/runs/2017112800/gfs-0-174.png?0 
St. Sampson
Guernsey
White Meadows
28 November 2017 06:34:09

After a brisk three or four days of northerlies and the associated snow showers the 00z GFS provides a more settled theme as we head through the weekend and into a new week as high pressure drifts eastwards over the UK and towards Europe blocking a return to the colder northerlies predicted in previous days. Its a similar theme on the GEM and UKMO with doubtless some cold daytime and night time temperatures to come.

Originally Posted by: Karl Guille 

">http://modeles.meteociel.fr/modeles/gfs/runs/2017112800/gfs-0-174.png?0


Northerly or UK high, the only difference down south is the wind speed between those 2 scenarios. 


Time to wait and see what the next cold evolution might look like, in accordance with the met Office predicted cold first half of December.

Karl Guille
28 November 2017 06:34:37
A much milder outlook in the London Ensembles too, albeit 2m temperatures will no doubt remain subdued under the High pressure!

http://modeles7.meteociel.fr/modeles/gens/runs/2017112800/graphe3_1000_313.94000244140625_139.4199981689453___.gif 
St. Sampson
Guernsey
Maunder Minimum
28 November 2017 06:42:56
Funny how this still happens. The models lead us up the garden path, show us a delicious Greenie HP and then one backtracks, followed by the others.
This despite billions spent on computers, software, sensors and satellites - they are still clueless after a week at the most.
New world order coming.
Gooner
28 November 2017 06:55:25

I think the Beeb might change their thoughts slightly in the 21:55 forecast .....not much offering for a straight Northerly early next week, looks like HP sitting over us.....of course much can change.


 


In saying that the UKMO doesn’t look that bad at 144


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


Caz
  • Caz
  • Advanced Member
28 November 2017 06:58:43

Funny how this still happens. The models lead us up the garden path, show us a delicious Greenie HP and then one backtracks, followed by the others.
This despite billions spent on computers, software, sensors and satellites - they are still clueless after a week at the most.

Originally Posted by: Maunder Minimum 

Yes. Nothing’s changed. Yet we still allow the models to lead us up the garden path.


Still, the thoughts are nice and we live in hope. 


Market Warsop, North Nottinghamshire.
Join the fun and banter of the monthly CET competition.
Retron
28 November 2017 07:02:22

Funny how this still happens. The models lead us up the garden path, show us a delicious Greenie HP and then one backtracks, followed by the others.
This despite billions spent on computers, software, sensors and satellites - they are still clueless after a week at the most.

Originally Posted by: Maunder Minimum 


Yes, it happens all too often! The last time that the models correctly picked up on a series of northerly blasts seems to have been the November 2010 one, as that was modelled well from 14 or so days away. Why that one was picked up on so well, whereas successive ones haven't is open for discussion.


 


 


Leysdown, north Kent
Whether Idle
28 November 2017 07:03:31

ECM 0z portays a much milder picture for all, especially the northern contingent: this for Weds week, 



Dover, 5m asl. Half a mile from the south coast.
Joe Bloggs
28 November 2017 07:07:33

Yes, no dressing it up, a bit of a downgrade across the board this morning. Crumbs! πŸ˜‚


Still not sorted quite yet but I don’t like where this is going. 



Manchester City Centre, 31m ASL

PFCSCOTTY
28 November 2017 07:22:06

Funny how this still happens. The models lead us up the garden path, show us a delicious Greenie HP and then one backtracks, followed by the others.
This despite billions spent on computers, software, sensors and satellites - they are still clueless after a week at the most.

Originally Posted by: Maunder Minimum 


 


At least us enthusiasts, can just hide behind our various devices and wait for another day...think how embarrassed the professionals feel , standing in front of millions of people on TV , changing  the media releases and having to wipe the egg of their faces, I have said it before the moment the forecasters openly start saying they are confident this or that will happen, in fact the opposite occurs! 


 

Maunder Minimum
28 November 2017 07:32:38


Yes, no dressing it up, a bit of a downgrade across the board this morning. Crumbs! πŸ˜‚


Still not sorted quite yet but I don’t like where this is going. 


Originally Posted by: Joe Bloggs 


We all know what happens to our winter when the Euroslug takes hold. I was really hoping this winter could be different from the last two, but it looks like we are in for the same old same old.


New world order coming.
Rob K
28 November 2017 07:40:32

Of course the GFS still sets up a big northerly plunge in the latter stages - it still seems to be keen on that pattern, it just always fizzles out once it gets to the reliable time frame!


http://www.meteociel.fr/modeles/gfse_cartes.php?mode=0&ech=384


 


Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." β€” Jerome K. Jerome
doctormog
28 November 2017 07:51:53


 


We all know what happens to our winter when the Euroslug takes hold. I was really hoping this winter could be different from the last two, but it looks like we are in for the same old same old.


Originally Posted by: Maunder Minimum 


Yes, we can call this winter based on the last 12 hours.


A note to casual readers, and it may come as a surprise, the 00z runs might have or it might not have, nailed next week’s weather.


Before then increasingly cold for the next three days.


 Even the milder GFS op run shows the following temperature anomaly http://wxmaps.org/pix/temp4.html 


(And for what it’s worth the GFS ensemble data have more runs, eight, breaching the -10°C t850 mark than any time this reason.


Gavin D
28 November 2017 08:15:21

ECM London ens shows it turning less cold into next week the 'coldest' day next week could be Thursday when the mean gets down to -1


graphe_ens3_php.thumb.png.622252f171e934d608e7a6f363d61ab6.png


Arcus
28 November 2017 08:20:36



ECM London ens shows it turning less cold into next week the 'coldest' day next week could be Thursday when the mean gets down to -1


 



Originally Posted by: Gavin D 


Turning less cold 1km up does not always equate to less cold at the surface, especially under anticyclonic conditions. 


Ben,
Nr. Easingwold, North Yorkshire
30m asl
Gandalf The White
28 November 2017 08:22:58


Yes, no dressing it up, a bit of a downgrade across the board this morning. Crumbs! πŸ˜‚


Still not sorted quite yet but I don’t like where this is going. 


Originally Posted by: Joe Bloggs 


Sadly this looks like confirmation of the trend that I saw in yesterday’s 12z runs and led me to be quite downbeat.  We had the tell-tale signs of lessening upper heights, the high to our west edging closer.  To me it all started looking decidedly iffy.


As Michael says, it could change - and undoubtedly will - but as it stands it’s looking less likely that we’ll see sustained cold.


The nirvana of cross-model and ensemble support is still not a guarantee.  Particularly for when the evolution relies heavily on a particular set of events falling just right.  In this case we were relying on energy slipping east from Greenland and diving SE and the high retrogressing to form the block. The high is now expected to stay too close and the upper heights near Greenland haven’t rebuilt and that changes everything.


Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


Polar Low
28 November 2017 08:31:56

Don’t worry about them they get paid plenty of money to do it most of them are not bothered either if it’s cold or mild it’s a job.


 



 


 


At least us enthusiasts, can just hide behind our various devices and wait for another day...think how embarrassed the professionals feel , standing in front of millions of people on TV , changing  the media releases and having to wipe the egg of their faces, I have said it before the moment the forecasters openly start saying they are confident this or that will happen, in fact the opposite occurs! 


 


Originally Posted by: PFCSCOTTY 

Arbroath 1320
28 November 2017 08:36:55


Yes. Nothing’s changed. Yet we still allow the models to lead us up the garden path.


Still, the thoughts are nice and we live in hope. 


Originally Posted by: Caz 


It was interesting the way ECM 12z picked up on the change last night - although it dropped the heights to our NW it still ended up with a Northerly plunge in the latter part of the run which looked a very iffy projection. The 00z ECM looks much more believable sadly. 


GGTTH
nsrobins
28 November 2017 08:39:01


Don’t worry about them they get paid plenty of money to do it most of them are not bothered either if it’s cold or mild it’s a job.


 


 


Originally Posted by: Polar Low 


Apologies if this offends, but that is bloody ridiculous. As professionals they have a duty to be accurate which they do to the best of their ability. And they get paid according to position and years of training and education to achieve that position. 


If you wish to throw toys from your pram find another nursery to do it in.


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO

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