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Chunky Pea
14 February 2016 14:11:32


 


Going by Gavs latest forecast the warmest month will be March followed by 5 below average months along with unsettled weather.


Originally Posted by: Gooner 


 


Wouldn't surprise me in the least if it turned out just like that... AGAIN!


 



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Saint Snow
14 February 2016 14:11:40


 I've given up now. It's spring I'm going to be looking for in the model output now on


Originally Posted by: JACKO4EVER 


 


Think I'm joining you there.


What a tease this winter's been, with every single dollop of jam evaporating as the forecasted cold spell draws near.



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Gooner
14 February 2016 14:20:35


 


Warmest month of spring? Or of they year Jan, Feb, March? It is a warmer month as it's a spring month.


Originally Posted by: tallyho_83 


Eh?


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


Gooner
14 February 2016 14:24:43


 


Chip paper then


Originally Posted by: Sevendust 


Isnt any long range forecast


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


tallyho_83
14 February 2016 14:36:02


 


Eh?


Originally Posted by: Gooner 


 


You said the warmest month according to Gav would be March? I am confused! March is always warmer anyway - it's a spring month.


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Nordic Snowman
14 February 2016 15:17:12


 


 


You said the warmest month according to Gav would be March? I am confused! March is always warmer anyway - it's a spring month.


Originally Posted by: tallyho_83 


March to be the warmest spring month, followed by below average months, relative to the norms.


FWIW, March isn't always warmer than Jan or Feb.


See.... this is not so confusing


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Gooner
14 February 2016 16:00:57


 


 


You said the warmest month according to Gav would be March? I am confused! March is always warmer anyway - it's a spring month.


Originally Posted by: tallyho_83 


Is it?


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


LeedsLad123
14 February 2016 16:05:35

March was the coldest month of the year in 2013.. so Tally is incorrect.



march 2013 did nothing for southern england


all the action was midlands northwards


a repeat would be no good down here


hurry up winter, a good riddance


 


Originally Posted by: Stone Cold 


This is also incorrect.. I remember seeing some impressive snow drifts on the Kent and Susses coast from March 2013. Probably didn't last long though. 


Whitkirk, Leeds - 85m ASL.
Hippydave
14 February 2016 16:19:40


March was the coldest month of the year in 2013.. so Tally is incorrect.


 


This is also incorrect.. I remember seeing some impressive snow drifts on the Kent and Susses coast from March 2013. Probably didn't last long though. 


Originally Posted by: LeedsLad123 


Little bit off topic but, yes, there was a channel low of sorts that gave a few CMs cover here in strong winds and very low temps - wasn't too impressive drift wise in my part of Kent although there were some. I think the South Downs had some much deeper drifts.


In terms of longevity anything in the sun melted fairly quickly - in the shade any deeper stuff hung around for quite a while


I tend to think of March as possible to get snow down here but doesn't last long in the sun - it's perfectly possible to get near ice days though under cloudy conditions. Long laying snow though isn't really going to happen unless you get a freak series of events dragging very cold unstable air over us for days on end.


Just to make this a little bit relevant to the thread - warmer by the weekend and thereafter average to cool but unsettled. Wonder what the 12z's will bring


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Brian Gaze
14 February 2016 16:57:12

I wonder whether there has ever been a winter when the only widespread snow in the UK fell on February 29th?



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Gooner
14 February 2016 17:12:02

http://www.theweatheroutlook.com/charts/gfs/12_300_preciptype.png?cb


Decent snow events at the end of the month.


Clearly J F F though


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


Gooner
14 February 2016 17:18:17

Still cool at the end of the week


http://www.wetterzentrale.de/pics/Rtavn12017.gif


Milder into the weekend


http://www.wetterzentrale.de/pics/Rtavn14417.gif


Rain up North


http://www.wetterzentrale.de/pics/Rtavn1444.gif


Mild on Sunday


http://www.wetterzentrale.de/pics/Rtavn16817.gif


Fresher returns for the start of the week


http://www.wetterzentrale.de/pics/Rtavn19217.gif


 


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


nsrobins
14 February 2016 17:22:37


I wonder whether there has ever been a winter when the only widespread snow in the UK fell on February 29th?


 


Originally Posted by: Brian Gaze 


This question should be asked on 1st March.


Given that chart is 360hrs away, I suspect 2016 will not be adding to whatever the answer is.


😏🙄


 


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO
Bertwhistle
14 February 2016 17:29:50


 


This question should be asked on 1st March.


Given that chart is 360hrs away, I suspect 2016 will not be adding to whatever the answer is.


😏🙄


 


Originally Posted by: nsrobins 


I think it was an interesting question today. 1st March can only make a difference to this year.


 Low probability of course. I wonder if one of TWOs resident stats masters has the answer. GW? Kev?


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roger63
14 February 2016 18:19:53


http://www.theweatheroutlook.com/charts/gfs/12_300_preciptype.png?cb


Decent snow events at the end of the month.


Clearly J F F though


Originally Posted by: Gooner 


GFS preparing to lead us up the garden path again.Yes there is a bit more northern blocking out at 360h but unless METO leaves in place its turn of the month colder spell I would ignore this.

Saint Snow
14 February 2016 19:56:17


I wonder whether there has ever been a winter when the only widespread snow in the UK fell on February 29th?



Originally Posted by: Brian Gaze 


That'd be great for my youngest daughter, who's a 'leapling'.



Martin
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Aneurin Bevan
David M Porter
14 February 2016 20:06:17


 


GFS preparing to lead us up the garden path again.Yes there is a bit more northern blocking out at 360h but unless METO leaves in place its turn of the month colder spell I would ignore this.


Originally Posted by: roger63 


I guess we can only hope that the call for a possible colder, more settled spell the MetO have mentioned happening at the turn of the month turns out to be as accurate as the call they made in late January for the current temporary colder spell.


Will be interesting to see what GFS does over the coming days. If it sticks by this theme of a gradual increase in northern blocking for late February over the coming days and it starts to appear in a slightly more reliable timeframe, then it may be onto something. It's worth remembering that for a while, it was looking somewhat doubtful that this current colder & quieter spell would happen at all, given some of the model output we were seeing at the start of February.


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croydon courier
14 February 2016 21:07:34

 


Originally Posted by: Stone Cold Go to Quoted Post



 


march 2013 did nothing for southern england


all the action was midlands northwards


a repeat would be no good down here


hurry up winter, a good riddance


 


 



It certainly did nothing IMBY...I remember seeing on the news how almost all the country was getting plastered in snow, and I barely even saw a flake...

Gooner
14 February 2016 23:01:11


Snow on the back edge if GFS is to be believed


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


nsrobins
14 February 2016 23:18:44


 


Snow on the back edge if GFS is to be believed


Originally Posted by: Gooner 


As you're the only person to comment on the 18Z run, I'll do the honourable thing and reply 😉


I will be very surprised if there is any meaningful snowfall pretty much anywhere in the next 10 days.


And if someone living at 600m in Scotland is wondering what I mean by 'meaningful' . . . 😘


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO
Stormchaser
15 February 2016 07:13:58

No chart available for the selected hour. Many charts start at 3 hours ahead, so if you have 0 hours selected try stepping forward or selecting a later hour. No chart available for the selected hour. Many charts start at 3 hours ahead, so if you have 0 hours selected try stepping forward or selecting a later hour.


A significant adjustment with the Wed/Thu rain/snow event on the 00z ECM and GFS; that extension of the 1010 mb line well south of the UK reflects slight secondary LP development, which wasn't there on the 12z runs.


Ironically the models aren't far off going full-circle, back to a few days ago when the disruption was looking very pronounced, with a notable secondary low dropping south.


Result in the case of GFS is a stall sooner than before and with a better transition to snow:


No chart available for the selected hour. Many charts start at 3 hours ahead, so if you have 0 hours selected try stepping forward or selecting a later hour. No chart available for the selected hour. Many charts start at 3 hours ahead, so if you have 0 hours selected try stepping forward or selecting a later hour.


It does drift east after this but weakens rapidly as the frontal system occludes out.


Interestingly ECM has slightly colder air ahead of the front so a larger portion of the precipitation could fall as snow.


 


Of the high-res models, WRF is similar to GFS (but weirdly the snow disappears as it pushes further east - diurnal warming despite heavy cloud cover? As if!), while ARPEGE occludes the boundary very quickly except across the far south, this seemingly being due to the lowering of pressure focusing further north than GFS and ECM have this morning, with a slight southerly component to the flow for the south... but the flow is so slight that this seems a bit unconvincing to me:


 


 


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Gooner
15 February 2016 07:45:27


 


As you're the only person to comment on the 18Z run, I'll do the honourable thing and reply 😉


I will be very surprised if there is any meaningful snowfall pretty much anywhere in the next 10 days.


And if someone living at 600m in Scotland is wondering what I mean by 'meaningful' . . . 😘


Originally Posted by: nsrobins 


Thank you so much


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


Fargo
15 February 2016 07:46:26


 


A significant adjustment with the Wed/Thu rain/snow event on the 00z ECM and GFS; that extension of the 1010 mb line well south of the UK reflects slight secondary LP development, which wasn't there on the 12z runs.


Ironically the models aren't far off going full-circle, back to a few days ago when the disruption was looking very pronounced, with a notable secondary low dropping south.


Result in the case of GFS is a stall sooner than before and with a better transition to snow:


 


It does drift east after this but weakens rapidly as the frontal system occludes out.


Interestingly ECM has slightly colder air ahead of the front so a larger portion of the precipitation could fall as snow.


 


Of the high-res models, WRF is similar to GFS (but weirdly the snow disappears as it pushes further east - diurnal warming despite heavy cloud cover? As if!), while ARPEGE occludes the boundary very quickly except across the far south, this seemingly being due to the lowering of pressure focusing further north than GFS and ECM have this morning, with a slight southerly component to the flow for the south... but the flow is so slight that this seems a bit unconvincing to me:


Originally Posted by: Stormchaser 


 


Thanks for highlighting this; I actually think this secondary development was suggested on the ECM 12z and it seems to have grown in popularity! frontal transitions are sometimes a lot more complex than progged so expect some further stalling/dissipation with perhaps some central areas receiving a good "fall" (not necessarily accumulation!) of the white stuff. Keep an eye on the Met updates.


North Herefordshire 180m asl
Gooner
15 February 2016 07:49:07

Weather type GFS Th 18.02.2016 06 GMT


A bit more interesting


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


Gooner
15 February 2016 07:50:22

Weather type GFS Th 18.02.2016 12 GMT


Could do with coming in overnight really but a covering we just might get


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


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