TimS
  • TimS
  • Advanced Member
13 July 2020 16:11:21
GFS seems insistent on digging in low pressures and turning zonal at the first opportunity. It’s been consistently out of line with the others on this.

I have to say it does seem to have won the battle a couple of times with glorious high pressure spells disappearing off the charts and being replaced by muck. Even in this spell the GFS answer has ended up winning some skirmishes. Hopefully its luck will change this time.
Brockley, South East London 30m asl
TimS
  • TimS
  • Advanced Member
13 July 2020 17:00:33
Looks like this evening’s GEM has taken a look at GFS and liked what it saw.
Brockley, South East London 30m asl
Ally Pally Snowman
13 July 2020 17:05:46

Yes the settled warm charts too often get down graded this summer. The average summer for the South and poor summer for the North looks set to continue.


Bishop's Stortford 85m ASL.
Ally Pally Snowman
13 July 2020 17:43:34

 


Bit of a snoozefest from the GEFS. Not terrible but very average.


 



 


Bishop's Stortford 85m ASL.
Ally Pally Snowman
13 July 2020 17:45:25

Even worse up North verging on poor. 


 



 


 


Bishop's Stortford 85m ASL.
TimS
  • TimS
  • Advanced Member
13 July 2020 18:43:35
So all eyes on ECM, and...

it’s OKish
Brockley, South East London 30m asl
Ally Pally Snowman
13 July 2020 18:50:38

Originally Posted by: TimS 

So all eyes on ECM, and...

it’s OKish


 


Yes decent ECM out to day 9 never really gets unsettled for the South at least.


 


Bishop's Stortford 85m ASL.
tallyho_83
13 July 2020 19:15:06

Met Office seasonal mean been updated: - Takes us into start of the winter

https://www.metoffice.gov.uk/research/climate/seasonal-to-decadal/gpc-outlooks/ens-mean


 


Home Location - Kellands Lane, Okehampton, Devon (200m ASL)
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DEW
  • DEW
  • Advanced Member
14 July 2020 06:58:59

Jetstream coming and going in short bursts across the UK  for a week or so, but a more definite and stronger trend across or close to S of UK from Fri 24th for the week thereafter. That promises a continued unsettled spell, damp and cool from the Atlantic


GFS has won the immediate battle with ECM to be the form horse with HP reaching towards the UK but not quite enough to stop W/NW influence. This pattern persists to about Fri 24th with some promising days mixed with collapses. Then a general drop in pressure with LP established over UK by Tue 28th, pushing the ridge of HP south so that France gets the sort of weak HP that we' currently have


GEFS A little warmth around Sat 18th, but after that fairly good agreement on temps a little below seasonal norm throughout. Not much rain, and that mostly later on (after Mon 27th) and towards the N.


ECM has similar pattern to GFS but with pressure somewhat higher and thus better chances for good weather in the south


FAX and BBC have a trailing front which could spoil any HP by importing cloud from the Atlantic rather unpredictably.


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
Rob K
14 July 2020 09:28:57

GFS goes for a large-scale trough parking itself over us by the last week of the month. Disappointing.


The ensembles have been particularly useless - several times there has been tight agreement on a particular scenario for a week or 10 days, only for the entire set to crash a run or two later.


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
Chelsea
14 July 2020 12:43:14

The EFFIS Long-term monthly forecast of temperature and rainfall anomalies look very disappointing for the rest of July and August. lets hope it is incorrect

JACKO4EVER
14 July 2020 17:00:12
Some dreadful long range output on offer at present, very unseasonal indeed
Whether Idle
14 July 2020 18:03:20

Originally Posted by: JACKO4EVER 

Some dreadful long range output on offer at present, very unseasonal indeed


Also some decent long range output, and in the reliable, pretty decent.



Modele UKMO - Carte prévisions


Clearly no heatwave, but decent British summer weather for many in the mid range at least.


Dover, 5m asl. Half a mile from the south coast.
Downpour
14 July 2020 18:25:39

Originally Posted by: Whether Idle 


 


Also some decent long range output, and in the reliable, pretty decent.



Modele UKMO - Carte prévisions


Clearly no heatwave, but decent British summer weather for many in the mid range at least.



 


indeed, but those maps are too low-resolution to show the tiny but deep dartboard low permanently stationed over the Vale of Belvoir, where it resides from April to October. 


Chingford
London E4
147ft
Ally Pally Snowman
14 July 2020 19:11:31

It's all very unremarkable some warmth ,some cooler days fairly dry all very boring tbh. Hopefully a heatwave is round the corner but zero sign at the moment.


 


Bishop's Stortford 85m ASL.
Gusty
14 July 2020 19:33:15

Quite an 80's feeling summer at the moment. No heatwaves but certainly no wash out with nights generally cool enough to sleep through comfortably.


A fairly useable period of weather coming up.


I suspect there will be many days where early morning sunshine falls prey to convective infill, mainly dry though.


Here in the far SE I'm hopeful that the offshore NW'ly will bring some of the warmest temperatures on offer throughout the UK.


 


 


Steve - Folkestone, Kent
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briggsy6
14 July 2020 20:16:36

I'm perfectly happy without the heat and humidity personally. Low to mid 20s will do very nicely, with a little but not too much rain accompanying it.


Location: Uxbridge
Brian Gaze
14 July 2020 20:36:37

12z ECM / ENS look poor to me in the longer term.


 


Brian Gaze
Berkhamsted
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Downpour
14 July 2020 21:31:08

Originally Posted by: briggsy6 


I'm perfectly happy without the heat and humidity personally. Low to mid 20s will do very nicely, with a little but not too much rain accompanying it.



 


Yup. Off on a bike tour from Monday for a few days. 


Looks just about perfect down here for cycling. 


 


Chingford
London E4
147ft
JACKO4EVER
15 July 2020 05:21:31

Originally Posted by: Downpour 


 


 


indeed, but those maps are too low-resolution to show the tiny but deep dartboard low permanently stationed over the Vale of Belvoir, where it resides from April to October. 



charts please ? 😉

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