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White Meadows
23 January 2015 13:30:46


 


If that's as a result of a northerly? (Earlier posts) then it wouldn't necessarily be. Northerlies are usually crap for here if it's snow and cold you're after. From my point of view they can be superb. Plenty of sunshine and will feel warm in it.


Originally Posted by: Matty H 


Northerlies are usually sunny & dry down south yes, warm no.

Whiteout
23 January 2015 13:31:48

An excellent post from Steve on NW:


Hi Tamara - A nicely put post, however this winter thus far hasn't delivered ANY of the expectation laid out by the winter forecasts of indeed any of the hype / analysis presented in the stratosphere thread either-  A few flirts with a 2 wave pattern in December which didn't land either-


A lesson to everyone that the modelling of the stratosphere & even then the downwelling & coupling of Strat V trop doesn't always deliver.


 


Also I don't think barring maybe 1 or 2 runs that the GFS has modelled any Greenland heights this winter, its been 100% mobility all the way-


 


The OPI has been wrong & along with it Cohens forecast, (  & of course mine + NW & the idiot Madden who forecasts the same thing every winter )


 


A very muted signal for Northern blocking which may improve into Feb, although its not the favourite as it stands...


 


Home/Work - Dartmoor
240m/785 ft asl
White Meadows
23 January 2015 13:37:23


An excellent post from Steve on NW:


Hi Tamara - A nicely put post, however this winter thus far hasn't delivered ANY of the expectation laid out by the winter forecasts of indeed any of the hype / analysis presented in the stratosphere thread either-  A few flirts with a 2 wave pattern in December which didn't land either-


A lesson to everyone that the modelling of the stratosphere & even then the downwelling & coupling of Strat V trop doesn't always deliver.


 


Also I don't think barring maybe 1 or 2 runs that the GFS has modelled any Greenland heights this winter, its been 100% mobility all the way-


 


The OPI has been wrong & along with it Cohens forecast, (  & of course mine + NW & the idiot Madden who forecasts the same thing every winter )


 


A very muted signal for Northern blocking which may improve into Feb, although its not the favourite as it stands...


 


Originally Posted by: Whiteout 


WRT Strat warming events, no point in getting up on this since only 2 out of 3 only affect wind flow at lower levels (according to the beeb anyway):


http://www.bbc.co.uk/weather/feeds/20992173

Matty H
23 January 2015 13:43:53


 


Northerlies are usually sunny & dry down south yes, warm no.


Originally Posted by: White Meadows 


Warm, yes. Out of the wind, if there is any, we've had many northerlies here where you could sit outside comfortably. 


Jonesy
23 January 2015 13:54:59


 


Warm, yes. Out of the wind, if there is any, we've had many northerlies here where you could sit outside comfortably


Originally Posted by: Matty H 


In winter?  with a sheepskin coat on?


...And they call us Southern softies  you fly the flag Matty 


Medway Towns (Kent)
The Weather will do what it wants, when it wants, no matter what data is thrown at it !
Medlock Vale Weather
23 January 2015 13:56:21

Well I'm not putting much faith into the next cold spell that hasn't even arrived, after all the hype of the last one in the end I was just too low down to get anything significant to last on the ground.


However this time around it does look more potent for those of us that live below 1000 feet.


Alan in Medlock Valley - Oldham's frost hollow. 103 metres above sea level.
What is a frost hollow? http://www.weatheronline.co.uk/reports/wxfacts/Frost-hollow.htm 
Saint Snow
23 January 2015 14:06:46

However this time around it does look more potent for those of us that live below 1000 feet.


Originally Posted by: Medlock Vale Weather 


 


So did the last one, several days out




Martin
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soperman
23 January 2015 14:09:42


 


Warm, yes. Out of the wind, if there is any, we've had many northerlies here where you could sit outside comfortably. 


Originally Posted by: Matty H 


Not just in the SW. Saturday to Tuesday this week was decidedly warm in the sun despite a max of 3-4c


A changeable week coming up followed by the possibility of a chilly week but no great shakes - snow for sum up north with elevation.


As Quantum has already said we need a Scandi high to deliver anything worthwhile down in these parts unless it is a very potent northerly with the 510 thickness into Southern Scotland and yes - you've guessed it - that's on its way to Greece !

Quantum
23 January 2015 14:22:35

NASA GEO5 0z hi res experimental model running out now, its absolutely insane, Greenland high develops, but the frigid pure arctic air is maintained. Waiting to see how close the -15 line gets on a northerly!  


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.
Quantum
23 January 2015 14:27:15

Could be one of the coldest northerlies I have ever seen if it doesn't get cut off, thickness record in a northerly could be threatened. 



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.
Solar Cycles
23 January 2015 14:47:26

Big Steve Murr tells it as it is regarding the multitude of teleconnections  over on NW.


Hi Tamara - A nicely put post, however this winter thus far hasn't delivered ANY of the expectation laid out by the winter forecasts of indeed any of the hype / analysis presented in the stratosphere thread either- A few flirts with a 2 wave pattern in December which didn't land either-
A lesson to everyone that the modelling of the stratosphere & even then the downwelling & coupling of Strat V trop doesn't always deliver.

Also I don't think barring maybe 1 or 2 runs that the GFS has modelled any Greenland heights this winter, its been 100% mobility all the way-

The OPI has been wrong & along with it Cohens forecast, ( & of course mine + NW & the idiot Madden who forecasts the same thing every winter )

A very muted signal for Northern blocking which may improve into Feb, although its not the favourite as it stands...


S


You can't really argue with any of that in what has been a pretty disappointing winter thus far.


 


 


 


 

Solar Cycles
23 January 2015 14:59:25
Lol, maybe I should check previous posts in the thread beforehand.😊
Brian Gaze
23 January 2015 15:14:26


You can't really argue with any of that in what has been a pretty disappointing winter thus far.


Originally Posted by: Solar Cycles 


The seasonal models, NAO signal and background seasonal fluctuations have been more useful than the strat etc. in forecasting this winter. I'll leave others to judge my forecast, but would say the MetO and those who've not relied on the latest fashions have performed quite well. This winter is only proving a 'shock' to those who relied on the OPI and Cohen etc. Those who used the former (or indeed on common sense of what a typical British winter is like) have managed to build a decent innings. Those who went down other routes saw their middle stump being knocked out of the ground early on.


Brian Gaze
Berkhamsted
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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
Maunder Minimum
23 January 2015 15:22:42


 


The seasonal models, NAO signal and background seasonal fluctuations have been more useful than the strat etc. in forecasting this winter. I'll leave others to judge my forecast, but would say the MetO and those who've not relied on the latest fashions have performed quite well. This winter is only proving a 'shock' to those who relied on the OPI and Cohen etc. Those who relied on the former (or indeed on common sense of what a typical British winter is like) have managed to build a decent innings. Those who went down other routes saw their middle stump being knocked out of the ground early on.


Originally Posted by: Brian Gaze 


The bit I have bolded is a little unfair - after all, to take a sporting analogy, betting that Chelsea will beat Sheffield United and getting it right 95% of the time, does not prove you are any good at predictions - getting it right on the rare occasion that Sheffield United wins is clever or lucky though.


So backing the form horse is easy - spotting when things are atypical is the hard part.


New world order coming.
Patrick01
23 January 2015 15:31:23

Just through looking at the charts and their evolution at face value this winter, you can see there is little or no effort made by the Az H to shift up north, even when the odd ridge creeps down into Greenland from the Arctic Ocean. If we were in one of those winters with more aggressive northern blocking then I'd fully expect the current ECM 240hr chart to be the start of something significant, with a clear path towards the building of pressure to the north or NE: 


http://www.wetterzentrale.de/pics/Recm2401.gif


As it stands I don't think anyone would make that call this winter, and would instead compare it with this time in 2003, which featured an impressive albeit short-lived toppler:


http://www.wetterzentrale.de/pics/archive/ra/2003/Rrea00120030130.gif


 


That said I've enjoyed the variety of weather this repeat pattern has brought so far, particularly the frequency of cool/cold maritime airstreams, and it looks like it will keep bringing plenty of excitement and frustration going into Feb and March! 

White Meadows
23 January 2015 15:32:04


 


Not just in the SW. Saturday to Tuesday this week was decidedly warm in the sun despite a max of 3-4c


 


Originally Posted by: soperman 


Since when was 3 degrees 'warm' in the UK? Even in February? "when north wind doth blow…" (you know the rest…)

23 January 2015 15:40:53


 


The seasonal models, NAO signal and background seasonal fluctuations have been more useful than the strat etc. in forecasting this winter. I'll leave others to judge my forecast, but would say the MetO and those who've not relied on the latest fashions have performed quite well. This winter is only proving a 'shock' to those who relied on the OPI and Cohen etc. Those who used the former (or indeed on common sense of what a typical British winter is like) have managed to build a decent innings. Those who went down other routes saw their middle stump being knocked out of the ground early on.


Originally Posted by: Brian Gaze 


 


To be fair Brian the OPI guys did not forecast a long  bitterly cold and hard winter for the UK, in terms of the actual weather I think you'll find that they forecast a winter in which colder arctic incursions would tend to increase in the latter two thirds of the winter.  Not a million miles away from the forecast made by someone on this site

pthomps
23 January 2015 15:42:12


 


Since when was 3 degrees 'warm' in the UK? Even in February? "when north wind doth blow…" (you know the rest…)


Originally Posted by: White Meadows 


 


Warm in the sun.

White Meadows
23 January 2015 15:44:24


 


 


Warm in the sun.


Originally Posted by: pthomps 


…for an ice cube 


 


Seriously though, with air temps of 3 degrees, add the windchill and any warmth from the sun is just a psychological affect.

schmee
23 January 2015 15:53:29
http://www.wetterzentrale.de/pics/Rtavn2161.html 


Out of curiosity. Where is that azores high going ?
Observations from around GUILDFORD in SURREY and now Nottingham
hammer10
23 January 2015 16:06:45
Up north by looks of it.
llamedos
23 January 2015 16:20:21

I'm growing increasingly annoyed with the volume of off topic posts in here. I wish I had the time/inclination to put them in the right threads.


I enjoy a lot of the banter and I'm not knocking that, it just clogs up the thread. 


It's not rocket science guys......mainly Model Output Discussion in here makes for easier reading


"Life with the Lions"

TWO Moderator
Rob K
23 January 2015 16:22:27


Could be one of the coldest northerlies I have ever seen if it doesn't get cut off, thickness record in a northerly could be threatened. 



Originally Posted by: Quantum 


For where? The -10C isotherm hasn't even made landfall in the UK.


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
soperman
23 January 2015 16:44:12


 


Since when was 3 degrees 'warm' in the UK? Even in February? "when north wind doth blow…" (you know the rest…)


Originally Posted by: White Meadows 


 


You totally misunderstood my post. Tx

soperman
23 January 2015 16:45:28


 


…for an ice cube 


 


Seriously though, with air temps of 3 degrees, add the windchill and any warmth from the sun is just a psychological affect.


Originally Posted by: White Meadows 


 


Wrong.  Try the Alps

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