The Weather Outlook

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Brian Gaze
28 December 2025 18:35:20

Good old MetO - got to love the way it goes overboard with the minima!

UserPostedImage

https://www.theweatheroutlook.com/charts/ukguk/12_162_2m_min_temp.png 

(There's a -25 lurking there...)

Originally Posted by: Retron 

PS47 which goes live on 20th January is supposed to improve forecast near surface temperatures. I've got some info from the Met which I'll try and dig out.


Brian Gaze

Berkhamsted

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westv
28 December 2025 18:35:32

The fascinating thing at this stage of the game is that we still can't be at all confident how this will play out. For all we know, we could be heading for a winter that will be remembered as one of the all time classics, ranking alongside 47, 63 and 79. On the other hand, it's more than feasible that it could amount to several days of cold weather with snow in the favoured locations, and then "spring". It would be difficult to conjure up a more interesting outlook with the limitations of current technology.

Originally Posted by: Brian Gaze 

The 16 year "cold winter" cycle would be kicking in in 2026.


At least it will be mild!
jhall
28 December 2025 18:49:07

The 16 year "cold winter" cycle would be kicking in in 2026.

Originally Posted by: westv 

You might need to consider changing your sig to "At least it won't be mild!"


Cranleigh, Surrey
Ally Pally Snowman
28 December 2025 18:57:51
Ecm 12z is another very snowy run. The 12s set overall is about as good as you can hope for if you love cold and snow.
Bishop's Stortford 85m ASL.
Taylor1740
28 December 2025 19:12:01

The fascinating thing at this stage of the game is that we still can't be at all confident how this will play out. For all we know, we could be heading for a winter that will be remembered as one of the all time classics, ranking alongside 47, 63 and 79. On the other hand, it's more than feasible that it could amount to several days of cold weather with snow in the favoured locations, and then "spring". It would be difficult to conjure up a more interesting outlook with the limitations of current technology.

Originally Posted by: Brian Gaze 

Seems almost like an exact repeat of last autumn and winter, with the cold snap in November and this possible cold spell at exactly the same point as the one last January. Who knows how the rest of Winter plays out but on the balance of probabilities then more likely to be similar to last Winter than a proper classic. Not sure we will go straight to "Spring" though just that the rest of Winter could be quite ordinary.


NW Leeds - 150m amsl
Jiries
28 December 2025 19:26:38

Ecm 12z is another very snowy run. The 12s set overall is about as good as you can hope for if you love cold and snow.

Originally Posted by: Ally Pally Snowman 

Same to 12z ensembles for here and not bone dry but lot of precips every day at near -10C mean line.  I notice the app removed the snowflakes but put awful tiny flakes with blue lines symbols?  Dont like that as it also show for Toronto and Lapland.

Rob K
28 December 2025 19:59:55

Same to 12z ensembles for here and not bone dry but lot of precips every day at near -10C mean line.  I notice the app removed the snowflakes but put awful tiny flakes with blue lines symbols?  Dont like that as it also show for Toronto and Lapland.

Originally Posted by: Jiries 

Yes it always seems to say “wintry mix” even with temperatures way below zero. Not sure why. 

FWIW I now have two days (Sunday 4th and Monday 5th) not rising above zero on the app. But the fateful “no precipitation expected in the next 10 days” too. 


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." — Jerome K. Jerome

ballamar
28 December 2025 20:30:06

Yes it always seems to say “wintry mix” even with temperatures way below zero. Not sure why. 

FWIW I now have two days (Sunday 4th and Monday 5th) not rising above zero on the app. But the fateful “no precipitation expected in the next 10 days” too. 

Originally Posted by: Rob K 

Get the cold in first….

Saint Snow
28 December 2025 20:36:27

Good old MetO - got to love the way it goes overboard with the minima!

UserPostedImage

https://www.theweatheroutlook.com/charts/ukguk/12_162_2m_min_temp.png 

(There's a -25 lurking there...)

Originally Posted by: Retron 

Looks like Kirkby Stephen 😃


Martin

Home: St Helens (26m asl) Work: Manchester (75m asl)

A TWO addict since 14/12/01

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Aneurin Bevan

CField
28 December 2025 22:23:11
UserPostedImage

Jan 1881 repeat


Favourite snowstorm

Famous channel low

Dec 31st 1978

Hastings East Sussex

Foot of level snow severe drifting

Next day max temp -4 degrees Celsius

Polar Low
28 December 2025 22:45:11
Slightly different gfs as the low heads ne a snowy picture for se England as it does so parameters look ok

https://www.theweatheroutlook.com/twodata/gfs.aspx?run=18&charthour=156&chartname=preciptype&chartregion=uk&charttag=Precip%20typ 

Then a short wave appears on the south coast quickly forms a deep low at short notice

https://www.theweatheroutlook.com/twodata/gfs.aspx?run=18&charthour=174&chartname=preciptype&chartregion=uk&charttag=Precip%20type 

Very wintry scene indeed 

tallyho_83
28 December 2025 23:16:33

UserPostedImage

Jan 1881 repeat

Originally Posted by: CField 

With that the bulk of snow is in France to our south!?


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

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Sean Moon

Magical Moon

www.magical-moon.com

scillydave
28 December 2025 23:23:01
GFS pub run is hands down the snowiest I can ever remember.  A thing of beauty 
Currently living at roughly 65m asl North of Cowbridge in the Vale of Glamorgan.

Formerly of, Birdlip, highest village in the Cotswolds and snow heaven in winter; Hawkinge in Kent - roof of the South downs and Isles of Scilly, paradise in the UK.

ballamar
28 December 2025 23:34:58
If you hate cold spells don’t look at AIFS. 
Quantum
28 December 2025 23:35:16
So on the big picture we continue to see upgrades, heights remain strong in Greenland for what seems longer and longer with each new run. The UK zonally sits right in the middle of the jet trough as far as it is possible to be from the danger zone in the west (the dreaded toppler) or the east (the west based GH). I'd like to continue seeing this, if we do the only thing that could spoil this would be short wave features that somehow introduce milder air into the setup (always possible).

Best northerly setup for a while and at a very good time of year. High SSTs are good for lake effect too.

 


25/26 (850hpa temp) 11 days snow/sleet falling

18/11 (-4) 19/11 (-6) 20/11 (-6) 01/01 (-7) 04/01 (-10) 10/01 (-7) 11/01 (-3) 30/01 (-1) 13/02 (-6) 15/02 (-4) 18/02 (-6)

24/25 10d

18/11 (-6) 19/11 (-6) 23/11 (-2) 22/12 (-5) 04/01 (-5) 05/01 (0)14/02 (0) 15/02 (0)12/03 (-6) 13/03 (-6)

23/24 8d

29/11 (-6) 30/11 (-6) 02/12 (-5) 03/12 (-5) 04/12 (-3) 16/01 (-3) 18/01 (-8)08/02 (-5)

22/23 7d

18/12 (-1)06/03 (-6) 08/03 (-8) 09/03 (-6) 10/03 (-8) 11/03 (-5) 14/03 (-6)

21/22 12d

Ally Pally Snowman
28 December 2025 23:49:02

GFS pub run is hands down the snowiest I can ever remember.  A thing of beauty 

Originally Posted by: scillydave 

Wait until you see AIFS 18z. One of the coldest Ops I've ever seen. Astonishing run


Bishop's Stortford 85m ASL.
ballamar
28 December 2025 23:51:34

Wait until you see AIFS 18z. One of the coldest Ops I've ever seen. Astonishing run

Originally Posted by: Ally Pally Snowman 

Bit of a crazy run! No doubt on the extreme side

Sasa
  • Sasa
  • Advanced Member
28 December 2025 23:51:36

Are we seeing the scaffolding being put up for a Rex block based on these charts? The pattern looks to be moving in the right direction, but key elements are still missing for a snow setup in London. Let’s see what the next three days of model runs bring. A Channel low would be nice.


Kingston Upon Thames
tallyho_83
28 December 2025 23:54:09

So on the big picture we continue to see upgrades, heights remain strong in Greenland for what seems longer and longer with each new run. The UK zonally sits right in the middle of the jet trough as far as it is possible to be from the danger zone in the west (the dreaded toppler) or the east (the west based GH). I'd like to continue seeing this, if we do the only thing that could spoil this would be short wave features that somehow introduce milder air into the setup (always possible).

Best northerly setup for a while and at a very good time of year. High SSTs are good for lake effect too.

 

Originally Posted by: Quantum 

Could it be cold on both sides of Atlantic ? a rare thing!?

Also NYC seen the most snow in one go since 2022. 11cms fell.

12z and 18z ECM 850hpa Mean on 5th is -8.2c for London.  

https://www.wetterzentrale.de/en/show_diagrams.php?geoid=49069&model=gfs&var=2&run=18&lid=ENS&bw=1

 It would take one MASSIVE down grade for this to go Pete Tong now.,..


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

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

Sean Moon

Magical Moon

www.magical-moon.com

fairweather
29 December 2025 00:10:12

Seems almost like an exact repeat of last autumn and winter, with the cold snap in November and this possible cold spell at exactly the same point as the one last January. Who knows how the rest of Winter plays out but on the balance of probabilities then more likely to be similar to last Winter than a proper classic. Not sure we will go straight to "Spring" though just that the rest of Winter could be quite ordinary.

Originally Posted by: Taylor1740 

Well we get a week or two of posts like these most winters but hopefully this one won't go the way those did. 😑


S.Essex, 42m ASL
fairweather
29 December 2025 00:20:12
GFS snow rows break the magic 100 for the first time this year. No individual 20's yet but there soon might be. I'm expecting this to be "the one" because I'm picking up my first full EV car on Jan 5th! 
S.Essex, 42m ASL
fairweather
29 December 2025 00:22:46
Don't forget this is the classic 1962-63 week ahead. (same time of year) 😀
S.Essex, 42m ASL
BJBlake
29 December 2025 00:23:21
https://www.wetterzentrale.de/en/topkarten.php?map=1&model=gfs&var=2&run=18&time=156&lid=OP&h=0&mv=0&tr=6#mapref 

And compare it to 1979. Its very similar. Of course, this is one run and it might all be different in the morning. Just imagine if it came off!!

It would be one for the greats - a memory of a lifetime.  


Brecklands, South Norfolk 28m ASL
BJBlake
29 December 2025 00:26:13
https://www.wetterzentrale.de/en/topkarten.php?map=1&model=gfs&var=2&run=18&time=156&lid=OP&h=0&mv=0&tr=6#mapref 

And compare it to 1979. Its very similar. Of course, this is one run and it might all be different in the morning. Just imagine if it came off!!

It would be one for the greats - a memory of a lifetime.  

I think it may be heaviest and longest duration in south Suffolk and Essex as modelled - so not in MBY so much, but welcome none-the-less.


Brecklands, South Norfolk 28m ASL
BJBlake
29 December 2025 00:28:16

 

BJBlake wrote:

This GFS Pub Run reveals at 150-156 hours a situation that would mirror what happened in 1979, with a  slider low supercharged with moisture from its passage across Biscay - hitting the cold air over Suffolk and dumping cart loads of snow. Now that event was special, with 10ft drifts, diesel freezing in the tanks of lorries on the then A45 (now A14), and my brother-in-law marooned in the Guildhall of Bury St Edmunds for 3 days and nights, unable to get to Hadleigh, where he lived and his wife and 2 kids were waiting for him.


Brecklands, South Norfolk 28m ASL

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