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JACKO4EVER
19 February 2016 08:52:00


A zonal pattern remains today but with caveats.


A wet weekend with flooding issues along the polar frontal boundary with a large thermal gradient so very mild in the south but still quite cold in the north.


A brief countrywide colder spell looks likely in the early part of the week with some more sharp frosts.


Thereafter its pretty standard February fare with uppers remaining sub-zero but not desperately cold away from the odd outlier.


Generally rather unsettled. 


Originally Posted by: Sevendust 


well summed up. As per ECM, if the jet remains south then I wouldn't be surprised to see some large rainfall totals stacking up for the south in due course. 

David M Porter
19 February 2016 09:01:39

It seems to me from this morning's output that almost anything could happen over the coming week or two. One thing that is not being suggested though as far as I can see is a return to the sort of pattern we saw during the first 6 weeks or so of the winter, i.e exceptionally mild and often very wet with it. It still looks pretty unsettled for sure, but of a more wintry type at times than was the case a couple of months ago.


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
Solar Cycles
19 February 2016 09:12:34


 


Southerly tracking jetstream favoured then.


As SC has commented, with a lack of cold air that may just be a recipe for cold gunk. 


1C average negative anomaly would be fine if it was all squeezed into a week, i.e. 4C negative.



Originally Posted by: Gandalf The White 

That would be correct if we were relying on anything coming from the continent but with an expected flow from a N/NW/NE direction, any flow coming from  Arctic regions  should make things interesting at times, maybe.😬

nsrobins
19 February 2016 10:02:46


That would be correct if we were relying on anything coming from the continent but with an expected flow from a N/NW/NE direction, any flow coming from  Arctic regions  should make things interesting at times, maybe.😬


Originally Posted by: Solar Cycles 


With the Arctic having one of it's warmest winters on record and sea ice at a worrying low level even a direct Arctic blast will do well to deliver especially down South.


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO
The Beast from the East
19 February 2016 10:12:29

poor GFS 06z. blocking even weaker


"We have some alternative facts for you"
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Brian Gaze
19 February 2016 10:28:30


It seems to me from this morning's output that almost anything could happen over the coming week or two. One thing that is not being suggested though as far as I can see is a return to the sort of pattern we saw during the first 6 weeks or so of the winter, i.e exceptionally mild and often very wet with it. It still looks pretty unsettled for sure, but of a more wintry type at times than was the case a couple of months ago.


Originally Posted by: David M Porter 


In the north perhaps but down here the sun is increasingly strong. Even with -5C uppers double figure temperatures are on the cards in the next couple of weeks when the clouds lift. 


Brian Gaze
Berkhamsted
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Stormchaser
19 February 2016 10:33:21


Detail-wise, we may as well take +96 to be the limit of even half-reliable model output. A considerable spread in the ECM ensembles with respect to how much low pressure hangs back in the western N. Atlantic or moves east toward the UK under a 'wedge' of HP near/over Iceland.


For Tue/Wed about 50% of the ensembles produce precip. across the SW from a sliding low. Not very helpful then!


 


Longer term, GFS' attempts to flatten the pattern in the 5-10 day range have no support from stratospheric, MJO or ENSO forcing. So where it's coming from is rather mysterious... that ECM has moved closer to that this morning is particularly alarming. We should at least see the transfer of low heights from the U.S./Canada being a messier affair with troughs disrupting and struggling to gain a foothold to the NW of the UK. 


 


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Brian Gaze
19 February 2016 10:40:06

This only happens once every four years and the GFS has it starting mild.



 


Brian Gaze
Berkhamsted
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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
Solar Cycles
19 February 2016 10:53:01


 


With the Arctic having one of it's warmest winters on record and sea ice at a worrying low level even a direct Arctic blast will do well to deliver especially down South.


Originally Posted by: nsrobins 

I don't agree with that assessment as a true Northely blast would bring the threat of snow to southern England.

tallyho_83
19 February 2016 12:20:31


I don't agree with that assessment as a true Northely blast would bring the threat of snow to southern England.


Originally Posted by: Solar Cycles 


Not over the past few years! Nothing more that a little sleet.


Home Location - Kellands Lane, Okehampton, Devon (200m ASL)
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ARTzeman
19 February 2016 12:30:09

 Ready For Spring then...... 


This only happens once every four years and the GFS has it starting mild.



 


Originally Posted by: Brian Gaze 






Some people walk in the rain.
Others just get wet.
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Gandalf The White
19 February 2016 13:10:47


I don't agree with that assessment as a true Northely blast would bring the threat of snow to southern England.


Originally Posted by: Solar Cycles 


As Neil says, not if the source of the air isnt' cold enough.


For most of the ECM 00z run Svalbard has 850s warmer than -8C (except for 2 days), so what will that look like when it's been drawn 1,800 miles south?


 


 


Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


Gandalf The White
19 February 2016 13:11:47


 


Not over the past few years! Nothing more that a little sleet.


Originally Posted by: tallyho_83 


http://www.mcc.is/english/extra/immigrate-to-iceland/non-eea



Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


CornishBlizzard
19 February 2016 13:24:56


 


Not over the past few years! Nothing more that a little sleet.


Originally Posted by: tallyho_83 


 


Well I saw wet snow yesterday for a couple of minutes and lying snow in January and not that high up, 150m.


 


Sorry off topic.


 

Steve Murr
19 February 2016 16:00:18
Afternoon

Thanks for the running commentary yesterday - some of it a little harsh as I dont come on here & NW to say its going to be cold & never post unless theres a chance - also illustrating that chance as well

Whats the point of saying it will be mild?
I did make that call @ xmas & if people would care to go back & look you would be surprised how close the cold got V the GFS forecast

Interestingly ( & ironically ) - maybe I have got the midas touch lol & should forecast mild more often as the 12z has totally & utterly backtracked to the UKMO at 72.

Anyway - thanks for the posts yesterday - just remember I post for enjoyment like the rest of us .....
If I was being a serious weather forecaster then half the stuff I wrote would then be excluded.....
Solar Cycles
19 February 2016 16:16:54

Afternoon

Thanks for the running commentary yesterday - some of it a little harsh as I dont come on here & NW to say its going to be cold & never post unless theres a chance - also illustrating that chance as well

Whats the point of saying it will be mild?
I did make that call @ xmas & if people would care to go back & look you would be surprised how close the cold got V the GFS forecast

Interestingly ( & ironically ) - maybe I have got the midas touch lol & should forecast mild more often as the 12z has totally & utterly backtracked to the UKMO at 72.

Anyway - thanks for the posts yesterday - just remember I post for enjoyment like the rest of us .....
If I was being a serious weather forecaster then half the stuff I wrote would then be excluded.....

Originally Posted by: Steve Murr 

Ignore Steve, what I said was in jest but I for one appreciate your input and knowledge of sniffing out a cold spell. Keep the faith but  more importantly keep posting.👍

doctormog
19 February 2016 16:35:42


 


Tally, living where I do I understand your frustration but you'll probably be better off venting it in the Winter Moaning thread. Making statements like that in the MO thread will attract the data-loggers and there will always be someone who will want to correct you.

It might be better to have regional threads where we can moan and groan with like-minded locals without the North/South bias getting in the way of a good gripe. This idea has been discussed at administrator level for many years and for understandable reasons has never made it to the board, but you can always suggest it again for next year?


Originally Posted by: nsrobins 


Yes Tally, if you post incorrect foundationless nonsense you will no doubt get it corrected by factual statements which can be backed up with evidence.  Neil, surely correcting someone's obvious total misinterpretation of the model output is a good thing rather than something to be criticised? To suggest it will not be cool in the north for more than a few hours when the charts have it cool for days on end and there is now a weather warning out for snow and ice is a bit silly?


There is no need for a regional thread just an acceptance that there are regional difference in the output! This continues in the 12z GFS which again paints a cool and at times wintry output in the north with things a bit closer to average in the south.


Saint Snow
19 February 2016 16:45:18



Anyway - thanks for the posts yesterday - just remember I post for enjoyment like the rest of us .....
If I was being a serious weather forecaster then half the stuff I wrote would then be excluded.....

Originally Posted by: Steve Murr 


 


Don't ever stop, Steve. I don't think anyone on here was doing anything other than a bit of gentle leg-pulling. Although I think we're all a bit cranky about the crap winter we've had.


 



Martin
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Bertwhistle
19 February 2016 16:53:22


 


Yes Tally, if you post incorrect foundationless nonsense you will no doubt get it corrected by factual statements which can be backed up with evidence.  Neil, surely correcting someone's obvious total misinterpretation of the model output is a good thing rather than something to be criticised? To suggest it will not be cool in the north for more than a few hours when the charts have it cool for days on end and there is now a weather warning out for snow and ice is a bit silly?


There is no need for a regional thread just an acceptance that there are regional difference in the output! This continues in the 12z GFS which again paints a cool and at times wintry output in the north with things a bit closer to average in the south.


Originally Posted by: doctormog 


Yes, you're right, on that run it looks to me like the rest of February makes average daytime temps in the south, with a few colder and a few warmer nights; oh, and a couple of warmer days. Quite warm this weekend. I think 7 to 8 is pretty average for late February, with some 9s too. Over much of southern England.


 


Bertie, Itchen Valley.
Retire while you can still press the 'retire now' button.
picturesareme
19 February 2016 17:31:29


 


Yes, you're right, on that run it looks to me like the rest of February makes average daytime temps in the south, with a few colder and a few warmer nights; oh, and a couple of warmer days. Quite warm this weekend. I think 7 to 8 is pretty average for late February, with some 9s too. Over much of southern England.


 


Originally Posted by: Bertwhistle 


Just shy of 11C this lunchtime before the cloud arrived... 😊


I also think a regional one would be good as so often in here you get northerners talking about the cold when the south isn't getting, and conversely in the summer it's us southerners often talking about good weather whilst the northerners wondering what the fuss is about whilst they get soaked 😂

Bertwhistle
19 February 2016 17:54:28


 


Just shy of 11C this lunchtime before the cloud arrived... 😊


I also think a regional one would be good as so often in here you get northerners talking about the cold when the south isn't getting, and conversely in the summer it's us southerners often talking about good weather whilst the northerners wondering what the fuss is about whilst they get soaked 😂


Originally Posted by: picturesareme 


Yes we made 10C pics- a quick rise from 9 to 12 this morning. Be interesting although I guess some regions would have a poor contribution so the threads would go stale. S England would do alright, judging by the stats Darren produces. ( I note Hampshire is well represented).


Whoops! O/T again. Sorry. Don't know how many times I'll get away with that before getting a gonadding from the mods.



Bertie, Itchen Valley.
Retire while you can still press the 'retire now' button.
Hippydave
19 February 2016 18:30:33

Interesting ECM run coming out....



Suspect it'll topple but 'tis quite nippy in Scotland and not too warm elsewhere


Home: Tunbridge Wells
Work: Tonbridge
The Beast from the East
19 February 2016 18:38:42

http://www.meteociel.fr/modeles/ecmwf/runs/2016021912/ECH1-168.GIF?19-0


ECM not backing down.


"We have some alternative facts for you"
Kelly-Ann Conway - special adviser to the President
The Beast from the East
19 February 2016 18:41:45

12zs have flipped back to cold. A rare victory, for a few hours at least!


 


"We have some alternative facts for you"
Kelly-Ann Conway - special adviser to the President
The Beast from the East
19 February 2016 18:44:56

http://www.meteociel.fr/modeles/ecmwf/runs/2016021912/ECM1-192.GIF?19-0


Finally. just need some cold air to tap into down the line


Could be snowy as this system slides across. Seems cold enough


http://www.meteociel.fr/modeles/ecmwf/runs/2016021912/ECM0-168.GIF?19-0


 


"We have some alternative facts for you"
Kelly-Ann Conway - special adviser to the President

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