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Rob K
14 January 2019 11:34:31
Out to T192 hours which is as far as it is worth looking IMHO, the parallel GFS keeps the Azores High a fair bit further west than the op run.
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
Gray-Wolf
14 January 2019 11:34:37

I think we all need remember that we are entering/into low solar so a propensity for H.P. will always be the go to?


If we see a cold pool form over the east and south of Europe will this lead to more or less heights over that area?


I do not think we will see the splurge of highs leave us alone in the UK for the rest of winter and then on into summer.


Of course there will be variability but this constant return to H.P. will , I believe always be just around the corner whenever the Atlantic tries to push back in.


To me , of course, there is another alteration to our hemisphere's circulation that should not be ignored and that is the average positioning of the polar jet over the year ( as it rises and falls with the seasons).


To me I see both 07' and then 2012 as having altered the old 'average' positioning of the jet under its old frequency/amplitude.


To me this also has us in a position that would favour H.P. dominance ( as noted in autumn when looking at what winter would bring us?)


Though I cannot provide the detail I would maintain what I said back in September in that we will see dry, HP dominated conditions. Where that HP is predominantly sited brings us our temps for the winter and it is looking as though Azores, and Azores extensions formin highs over us, appear favoured?


We may be bemoaning the lack of the white stuff for us all but by late spring we will likely be bemoaning the lack of the wet stuff as we look to another HP dominated Summer.


Koyaanisqatsi
ko.yaa.nis.katsi (from the Hopi language), n. 1. crazy life. 2. life in turmoil. 3. life disintegrating. 4. life out of balance. 5. a state of life that calls for another way of living.
VIRESCIT VULNERE VIRTUS
Chunky Pea
14 January 2019 11:34:50

This would make a nice change from the relentless norm in these parts, which is why it won't happen. Will more probably get stuck under a flabby, featureless trough instead. 


http://www.wetterzentrale.de/maps/GFSOPEU06_231_7.png


 


 


 


Current Conditions
https://t.ly/MEYqg 


"You don't have to know anything to have an opinion"
--Roger P, 12/Oct/2022
tallyho_83
14 January 2019 11:56:21

Overall the trend is still a cooling, messy and unsettled one. The details remain elusive, but there are quite a few opportunities for wintry weather in various places across the UK at various time points. What there is not and to be honest never has been in the model output is a clear consistent sign for prolonged deep cold and widespread snow. That is still the case.

Originally Posted by: doctormog 


 


True! But as someone said and I agree - The EC Met Office, Our own Glosea 5 Met Office, along with MeteoFrance, CFSv2, ECMWF, JMA and the BCC etc are going for a cold end of January and have been consistently going for a cold February. I wonder if all those models are going a bit OTT with this cold then? 


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


Quantum
14 January 2019 12:06:46

I'm not getting overly excited by the LP moving into cold air on Friday/Saturday because there is so little energy on it. Its a decaying, nearly completely occluded feature with such incoherent precipitation that it will struggle to even be wintry on its northern edge. Still time for it to upgrade but I'm not holding my breath. A cold weekend ahead though with some winter sunshine.


 


Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

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

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
Gary L
14 January 2019 12:13:07

Quite a cold set for my Locale. Op an outlier thankfully! 


 


http://www.meteociel.fr/cartes_obs/gens_display.php?x=250&y=37&run=6&runpara=0&type=3&ext=1

Gray-Wolf
14 January 2019 12:14:25


I'm not getting overly excited by the LP moving into cold air on Friday/Saturday because there is so little energy on it. Its a decaying, nearly completely occluded feature with such incoherent precipitation that it will struggle to even be wintry on its northern edge. Still time for it to upgrade but I'm not holding my breath. A cold weekend ahead though with some winter sunshine.


 


Originally Posted by: Quantum 


I think all of the models are trying to see winter assert itself but the planet wants to take a different tack?


How many days do you currently put reliability at Q?


I have not been seeing anything come of the 'trend' of seeing upper cold push across the UK and set up store?


Everything seems to end up with a day and a half of transient upper cold and then back to positive uppers?


Then when I look at the 10 hpa set up.......


Koyaanisqatsi
ko.yaa.nis.katsi (from the Hopi language), n. 1. crazy life. 2. life in turmoil. 3. life disintegrating. 4. life out of balance. 5. a state of life that calls for another way of living.
VIRESCIT VULNERE VIRTUS
Saint Snow
14 January 2019 12:18:10

some theoretical forecasts (including mine) will be skating on thin ice 😉


Originally Posted by: nsrobins 


 


Might be the only ice you encounter this winter.


 


 



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."
Aneurin Bevan
kmoorman
14 January 2019 12:19:39

For my local area, the snow row total is steady at a low level, at a low level, with a slight increase 23rd to 25th and a drop later. 



Home: Durrington, Worthing, West Sussex. (16 ASL)
Work: Canary Wharf, London
Follow me on Twitter @kmoorman1968
Ally Pally Snowman
14 January 2019 12:20:32

 


 Well pretty similar to the 0z set. A positive spin would be plenty of chances for marginal snow events. Significant cold looks very unlikely for the next 2 weeks at least though .


 


 



 


 



Bishop's Stortford 85m ASL.
Gray-Wolf
14 January 2019 12:25:20

'Marginal events' still need precipitation and as Q pointed out upthread the moisture is on dying fronts so will amount to very little?


Koyaanisqatsi
ko.yaa.nis.katsi (from the Hopi language), n. 1. crazy life. 2. life in turmoil. 3. life disintegrating. 4. life out of balance. 5. a state of life that calls for another way of living.
VIRESCIT VULNERE VIRTUS
kmoorman
14 January 2019 12:26:24


 Well pretty similar to the 0z set. A positive spin would be plenty of chances for marginal snow events. Significant cold looks very unlikely for the next 2 weeks at least though .


 



 


Originally Posted by: Ally Pally Snowman 


 


totally agree with the emboldened part.  The 4 to 5 day cold spells previously shown aren't there at the moment, which reflects the transitory nature of what's being shown, with short cold northerlies behind each sliding low, and possibly a couple of days of easterlies with a temporary Scandi ridge. 


Home: Durrington, Worthing, West Sussex. (16 ASL)
Work: Canary Wharf, London
Follow me on Twitter @kmoorman1968
Quantum
14 January 2019 12:32:55


 


I think all of the models are trying to see winter assert itself but the planet wants to take a different tack?


How many days do you currently put reliability at Q?


I have not been seeing anything come of the 'trend' of seeing upper cold push across the UK and set up store?


Everything seems to end up with a day and a half of transient upper cold and then back to positive uppers?


Then when I look at the 10 hpa set up.......


Originally Posted by: Gray-Wolf 


Outlook is definitely more optimistic at the moment for cold weather lovers, and there is some snow in the outlook but it all looks very transitory to me. I think the most anyone can realistically expect at the moment is a couple of cold, grey days with some sleety wet flakes. Some potentially very cold nights on the cards though with high pressure and cold uppers. 


 


Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

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

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
DPower
14 January 2019 12:33:51


 


 


True! But as someone said and I agree - The EC Met Office, Our own Glosea 5 Met Office, along with MeteoFrance, CFSv2, ECMWF, JMA and the BCC etc are going for a cold end of January and have been consistently going for a cold February. I wonder if all those models are going a bit OTT with this cold then? 


Originally Posted by: tallyho_83 


What I am finding confusing though is the lack of SSW downwelling ( HLB's) shown by the gfs and para models in its output. In fact the reverse is happening. For this reason I am less than confident in its output.


This mornings ecm run on the other hand clearly shows ( t240) the type of trop response to the split strat forcing we have had.


 


 

Arbroath 1320
14 January 2019 12:39:56

Overall the trend is still a cooling, messy and unsettled one. The details remain elusive, but there are quite a few opportunities for wintry weather in various places across the UK at various time points. What there is not and to be honest never has been in the model output is a clear consistent sign for prolonged deep cold and widespread snow. That is still the case.

Originally Posted by: doctormog 


The change in the MO output over the past week has been subtle but not insignificant. We've moved from an unsettled, cold with milder incursions projection to an unsettled, cool with milder and colder incursions scenario. 


More recent runs also appear to be shrinking the likelihood of HLB although that was never a consistent theme across model runs.


The problem of course is that we've always been focused on FI and the overall feeling throughout this period has been one of jam tomorrow and chasing rainbows.


 


GGTTH
Saint Snow
14 January 2019 12:56:48


 Well pretty similar to the 0z set. A positive spin would be plenty of chances for marginal snow events. Significant cold looks very unlikely for the next 2 weeks at least though .


 

Originally Posted by: Ally Pally Snowman 


 


I said a few days ago that this upcoming spell had the feel of 2013 (in terms of transitory snowfalls). For a couple of days late last week, it looked like a more severe & potentially sustained snowy spell could be on the cards (some snow totals for even lowland NW England areas between 20cm and 30cm, even deeper on some runs for other parts of Central or SW England), but that hope now seems to have been whipped away.


I still think we'll see some snow falling between now and the end of Jan, but I'm far less hopeful of any accumulations now.


I've said it before, but I do wish for once the UK would get some serious snowfall. Really catastrophic stuff like they're getting in the Alps. It's physically possible, albeit needing a zillion factors coming together at one time, and I think it'd be great to experience.



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."
Aneurin Bevan
fairweather
14 January 2019 13:19:36


 


 


totally agree with the emboldened part.  The 4 to 5 day cold spells previously shown aren't there at the moment, which reflects the transitory nature of what's being shown, with short cold northerlies behind each sliding low, and possibly a couple of days of easterlies with a temporary Scandi ridge. 


Originally Posted by: kmoorman 


Note that the coldest point in terms of 850's on the mean before February is now this Friday!! I suppose it will stop the T+240  "region xxxx will be buried if this comes off"  posts for a bit although I admit I always look just for hope. 


S.Essex, 42m ASL
soperman
14 January 2019 13:37:51

I think we all know that a SSW event does not necessarily bring colder whether nor split the vortex and there is no indication from the NWP of any HLB or sustained cold weather heading our way.


Heavy transient snowfall also looks a very slim chance in this set-up


By the same token we don't need a SSW to get a spell of cold on our shores.


So an increasingly boring, dull, damp and cool spell of weather coming up with hopefully some clear days to enjoy. With this on offer give me the lovely mild and sunny day we are having today anytime.


Let's hope for better in Feb.


 


 

Hippydave
14 January 2019 14:12:58
One of the things it's possible to accurately predict regarding the models is the depression displayed in this thread when something that wasn't shown, still isn't shown🙄

GFS has over the past couple of runs trended a bit warmer with less cold scatter. This followed it trending a bit colder with less mild scatter for a few days. The setup though remains unchanged- cool and unsettled with snow opportunities for many. A prolonged cold spell wasn't ever shown. A prolonged period of colder than avg conditions was and still is.

If GFS is true to form we'll reach a low water mark soon where it moves everything a bit milder/less interesting (but still cool) and it'll then gradually back track to some more exciting cold setups.
Home: Tunbridge Wells
Work: Tonbridge
marco 79
14 January 2019 14:14:56
http://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/new.nao_index_ensm.html 

2 members going for a fairly negative NAO

The remaining nine on a neutral to slight negative by end of Jan



Home : Mid Leicestershire ...135m ASL
David M Porter
14 January 2019 14:49:38


 


It’s a snapshot I agree David but the concensus is EC handles upper layers better than GFS so the hint there of heights at 500hPa nudging down across Greenland offer a hope that the first signs of a Greenland block may just be appearing. 


Originally Posted by: nsrobins 


Let's hope so, Neil.


Lenzie, Glasgow

"Let us not take ourselves too seriously. None of us has a monopoly on wisdom, and we must always be ready to listen and respect other points of view."- Queen Elizabeth II 1926-2022
David M Porter
14 January 2019 14:53:44


 


 


I said a few days ago that this upcoming spell had the feel of 2013 (in terms of transitory snowfalls). For a couple of days late last week, it looked like a more severe & potentially sustained snowy spell could be on the cards (some snow totals for even lowland NW England areas between 20cm and 30cm, even deeper on some runs for other parts of Central or SW England), but that hope now seems to have been whipped away.


I still think we'll see some snow falling between now and the end of Jan, but I'm far less hopeful of any accumulations now.


I've said it before, but I do wish for once the UK would get some serious snowfall. Really catastrophic stuff like they're getting in the Alps. It's physically possible, albeit needing a zillion factors coming together at one time, and I think it'd be great to experience.


Originally Posted by: Saint Snow 


While it wasn't on the same scale as what is currently being experienced in the Alps, the amount of snow we had from the Beast at the end of Feb/start of March last year must have been right up there with the heaviest snowfalls I can ever recall seeing in my neck of the woods, and I'm now 39. It was even more than either winter 09/10 or December 2010 delivered, and we had plenty of snow here during those two spells.


Lenzie, Glasgow

"Let us not take ourselves too seriously. None of us has a monopoly on wisdom, and we must always be ready to listen and respect other points of view."- Queen Elizabeth II 1926-2022
Quantum
14 January 2019 14:57:35

Real blizzard blowing at the moment in Fetlar Shetland!


https://www.shetlandwebcams.com/fetlar/


 


Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

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

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
fairweather
14 January 2019 15:04:10


 


While it wasn't on the same scale as what is currently being experienced in the Alps, the amount of snow we had from the Beast at the end of Feb/start of March last year must have been right up there with the heaviest snowfalls I can ever recall seeing in my neck of the woods, and I'm now 39. It was even more than either winter 09/10 or December 2010 delivered, and we had plenty of snow here during those two spells.


Originally Posted by: David M Porter 


Yes, you've been unfortunate to live right through the worst era for snowfall in a hundred years. Had you been born 30 years earlier you would have had a very different tale to tell. Still the good news is you'r not an old man which would have by now been the case 


S.Essex, 42m ASL
Saint Snow
14 January 2019 15:23:08


 


While it wasn't on the same scale as what is currently being experienced in the Alps, the amount of snow we had from the Beast at the end of Feb/start of March last year must have been right up there with the heaviest snowfalls I can ever recall seeing in my neck of the woods, and I'm now 39. It was even more than either winter 09/10 or December 2010 delivered, and we had plenty of snow here during those two spells.


Originally Posted by: David M Porter 


 


 


We reached 2cm on one fall last winter, but it melted by the following day. We got a couple of dustings as well as that.


Were you not around for March 2006?


One of my best mates was living in Dunblane at the time and he couldn't believe it - around 45cm level snow, with deeper drifts. Two other friends of ours had taken their touring caravan to Windemere - scoffing at my warnings of snow. They opened the door on that Sunday morning, the dog (a Scotty) jumped out... and promptly disappeared into the snow that was level with the bottom of the caravan door (almost 2'). They had to dig-out their Rav4 and leave the caravan at the small site until they could collect it the week after. We were desperately unlucky as the front stalled a mere 20 or so miles west of us, so the snow we got was very light and only gave around 5cm. 


 


Edit: and 1963 round here was also crap for snow; I'm told about 2/3 inches fell on the Boxing Day, then it was bone dry until the thaw in March. I also remember 1987 being rubbish here - one brief snow shower (10mins?) in the entire spell. We've had some great snowfalls - but usually not at the times other people experience them!!


 



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."
Aneurin Bevan
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