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doctormog
07 December 2017 22:29:36

Yes it still looks decent up 7 days out. Beyond then, who knows but I wouldn’t say anything ten days out was set in stone as previously highlighted rather nicely in this thread. Definitely a seasonal start to early winter.


backtobasics
07 December 2017 22:36:54


Yes it still looks decent up 7 days out. Beyond then, who knows but I wouldn’t say anything ten days out was set in stone as previously highlighted rather nicely in this thread. Definitely a seasonal start to early winter.


Originally Posted by: doctormog 


very true doc, that was a great post reminding us all how futile this job really is that far out. Would be nice to see that as a more regular feature on the site, i know verification stats are available but would be interesting for example to see what the big three predicted for the current day 5 days previous.

Gooner
07 December 2017 22:40:18

 































This will feel cold not much sign of anything zonal






 


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


backtobasics
07 December 2017 22:53:13
indeed, 18Z GFS seems to bring eternal north or north westerly winds, no sign of anything zonal on this one run, could still be a seasonal run up to Christmas
Maunder Minimum
07 December 2017 23:01:26
The 18z is pants for the Midlands on Sunday, but good for the north. Clearly the path of the slider low is not settled yet.
New world order coming.
Jonesy
07 December 2017 23:03:34


 































This will feel cold not much sign of anything zonal






 


Originally Posted by: Gooner 


Not sure if it's just my tablet but since you posting charts the last 24hra Gooner they appear as


huge wide posts for me.


Medway Towns (Kent)
The Weather will do what it wants, when it wants, no matter what data is thrown at it !
westv
07 December 2017 23:13:40


 


Not sure if it's just my tablet but since you posting charts the last 24hra Gooner they appear as


huge wide posts for me.


Originally Posted by: Jonesy 


All ok on my Samsung tablet.


At least it will be mild!
fairweather
08 December 2017 00:53:00

What I like about the fax charts (apart from the fronts being drawn on) is that at this point you can click between T+72 and the T+84 with both displaying 12UTC Sunday, the difference being the latter was derived 12 hours earlier. Look at the differences in the occlusion across the South and S.E. It might not look that massive but those small differences with its position will make a big difference on where it will snow and rain and how much. It all looks very much in the melting pot still to me.


S.Essex, 42m ASL
Gandalf The White
08 December 2017 01:04:45

The 18z is pants for the Midlands on Sunday, but good for the north. Clearly the path of the slider low is not settled yet.

Originally Posted by: Maunder Minimum 


It has never looked like being settled. The range of outcomes should narrow as we get closer to Sunday but from experience even the 00z Sunday runs won’t be exactly right. How many times has the precipitation pattern on the radar looked like the predicted one even 6 hours out?  Additionally the short range models change with every run.


I’d say that nothing is certain yet except that a slider will move south-east. Based on recent output most likely it will traverse the country somewhere south of a line from The Wirral to The Wash and possibly as far south as the Severn Estuary to Kent. Even that might be too tight a spread at the moment.


Location: South Cambridgeshire
130 metres ASL
52.0N 0.1E


Retron
08 December 2017 06:35:16

ECM shows everything further south, it seems, with snow in the SE on Monday. Sunday's snow is centred at the same latitude as Birmingham.

You can see all the details here:

https://weather.us/model-charts/euro/2017120800/great-britain/acc-precipitation-snow-total/20171212-0000z.html

(That's the full ECM output, in 3-hourly intervals).


Leysdown, north Kent
Retron
08 December 2017 06:46:47

Shamelessly stolen from NW, the ECM ensemble meteograms for London, including (but not limited to) 850s, 2m temperatures, snowfall etc. Interesting to see that yesterday's 12z suite actually had some -10 850s, albeit in the coldest 10% of members.

https://kachelmannwetter.com/de/vorhersage/2643743-london/ensemble/euro/schnee


 


Leysdown, north Kent
Gooner
08 December 2017 07:18:50

Looking at the Met Office animation run for Banbury ,its giving us Snow for Sunday and Monday ...........going to be v interesting to see how this pans out, a mare for forecasting


Remember anything after T120 is really Just For Fun



Marcus
Banbury
North Oxfordshire
378 feet A S L


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