The Weather Outlook

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Matty H
14 August 2026 03:16:27

Thats some impressive Spin!

I hope you are right, but I dont think this post will age well. 

Originally Posted by: The Beast from the East 

Says the guy that’s been posting summer is over posts since the first heatwave in May….. The summer version of Gloomin

Factually - there is little sign of any rain here in the south that’s going to make any real difference to the drought in the reliable period 


Yate, Nr Bristol

TBFTEIARBSC

Crepuscular Ray
14 August 2026 06:47:49
Looking at the 00z charts from a Scotland perspective as I see it. An active cold front is through this morning after overnight downpours and thunder. 

Friday to Sunday still mostly fine and dry, few showers in the NW. Temps around 17 - 21 C NW to SE

Monday and Tuesday, an occlusion then standard warm & cold fronts from an Atlantic Low move through with rain or showers 16 - 19 C

Wednesday to Friday, the models suggest the Low and upper cold pool moving slowly to our northeast with NW or even N winds. Sunny spells and showers 14 - 17 C and feeling more autumnal. Frosts likely in the glens by this time

GFS shows an Atlantic High trying to move in further ahead but Low Pressure stubborn over Denmark area


Jerry

Edinburgh, in the frost hollow below Blackford Hill

DEW
  • DEW
  • Advanced Member
14 August 2026 07:25:09
FAX - fronts crossing Britain under influence of LP to the north or northwest, but the LP is only 995mb at its deepest, and the fronts ( today, Mon 17th, later on Tue 18th) looking active in the north but breaking up as they run south into a ridge of HP lying along the Channel.

GFS Op 0z - the LP mentioned in FAX crosses over to central Scandinavia, and persistent LP there to Mon 24th brings light northerlies for Britain - cooler, but too far away to imply rain. On Tue 25th a local LP which has been brewing to the SW reaches Cornwall 1000mb, also running east to Scandinavia. Northerlies then resume, strengthened a little by another small LP 1000mb running through N France Fri 25th. Pressure remains fairly high to the west of Britain from Mon 17th onwards.

ECM - agrees with GFS to Mon 24th, but then shows pressure dropping over the Atlantic with a large but shallow LP 1000mb and Britain under slack pressure between that and the Scandi LP.

AIFS - London, maxima after today dropping to 25C over the weekend and then further to 20C through to Fri 28th. Traces of rain next week, then heavy on Mon 24th and Thu 27th. Edinburgh, maxima slowly decreasing from today's peak to 15C Mon 24th before rising a little. Rain Tue 18th, Fri 21st and Thu 27th, a little at other times

GEFS - mean temp first dropping to norm, then below norm by a couple of degrees from Mon 17th to end of month. In tS England, chances of rain from 17th but only becoming significant from Mon 24th onwards; in Scotland and N England this is inverted with quite high chances of rain from 17th and a few days after, then chance of rain tails off.


It's not the voting that's democracy, it's the counting - Tom Stoppard

Chichester 12m asl

Charmhills
14 August 2026 07:44:22

For the sake of balance, I'm looking at the 12z London ensembles from ECM and it's looking like the (beginning of the) end of the drought next week.

https://wetterzentrale.de/en/show_diagrams.php?geoid=49069&model=ecm&var=4&run=12&lid=ENS&bw=1 

Originally Posted by: Tom Oxon 

Yeah, changes may well be afoot??


Loughborough, EM.

Knowledge is power.

Duane.

Matty H
14 August 2026 08:57:36

Yeah, changes may well be afoot??

Originally Posted by: Charmhills 

It’s a very different picture if you select Bristol 


Yate, Nr Bristol

TBFTEIARBSC

Bertwhistle
14 August 2026 10:38:37
This morning's GFS ensembles show another bumpstarting to grow, fourth week of the month. The ones we have had have often started this way, with increasing numbers of members joining with time, although it's often the Op in the thick of it. If it becomes a consistent signal we could be on for another spell of high temperatures.
Bertie, Itchen Valley.

Retire while you can still press the 'retire now' button.

Saint Snow
14 August 2026 10:50:29

This morning's GFS ensembles show another bumpstarting to grow, fourth week of the month. The ones we have had have often started this way, with increasing numbers of members joining with time, although it's often the Op in the thick of it. If it becomes a consistent signal we could be on for another spell of high temperatures.

Originally Posted by: Bertwhistle 

A last hoorah end of Aug into Sept would be nice.


Martin

Home: St Helens (26m asl) Work: Manchester (75m asl)

A TWO addict since 14/12/01

"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."

Aneurin Bevan

Bertwhistle
14 August 2026 15:19:47
Heat blister now inflaming (6z) , with Op and Control on board around 23rd, pushing the 850 mean very close to 10°C again. 
Bertie, Itchen Valley.

Retire while you can still press the 'retire now' button.

Jiries
14 August 2026 15:52:04

This morning's GFS ensembles show another bumpstarting to grow, fourth week of the month. The ones we have had have often started this way, with increasing numbers of members joining with time, although it's often the Op in the thick of it. If it becomes a consistent signal we could be on for another spell of high temperatures.

Originally Posted by: Bertwhistle 

Following:  Yes it there on the 06 ensembles so hope we get heatwave 7 but don't expect high 30's type maybe 30 plus heatwaves to come.

Hungry Tiger
14 August 2026 18:10:46

Following:  Yes it there on the 06 ensembles so hope we get heatwave 7 but don't expect high 30's type maybe 30 plus heatwaves to come.

Originally Posted by: Jiries 

I won't be calling heatwave No7 yet. From what I've seen of the models we've got at least 2 weeks of "normal", summer weather.  🙂🙂🙂🙂🙂


Gavin S. FRmetS.

TWO Moderator.

Contact the TWO team - [email protected]

South Cambridgeshire. 93 metres or 302.25 feet ASL.



The Beast from the East
14 August 2026 19:31:00

Factually - there is little sign of any rain here in the south that’s going to make any real difference to the drought in the reliable period 

Originally Posted by: Matty H 

ECM 12z looking very wet for Bristol 


Purley, Surrey, 70m ASL

"We have some alternative facts for you"

Kelly-Ann Conway - former special adviser to the President

moomin75
14 August 2026 19:37:48

Says the guy that’s been posting summer is over posts since the first heatwave in May….. The summer version of Gloomin

Factually - there is little sign of any rain here in the south that’s going to make any real difference to the drought in the reliable period 

Originally Posted by: Matty H 

I have been far from Gloomin this summer Matty.

Though I reckon winter may be short lived, mild and very wet. (Tongue firmly in cheek here). But what a remarkable summer we're having.


Witney, Oxfordshire

100m ASL

Ally Pally Snowman
14 August 2026 19:51:55

ECM 12z looking very wet for Bristol 

Originally Posted by: The Beast from the East 

Hardly any rain for the South on the ECM 12z Beast 

After 9 days virtually nothing for the South still

https://wetterzentrale.de/en/topkarten.php?map=20&model=ecm&var=18&run=12&time=216&lid=OP&h=0&mv=0&tr=3#mapref 


Bishop's Stortford 85m ASL.
DEW
  • DEW
  • Advanced Member
14 August 2026 20:01:05

ECM 12z looking very wet for Bristol 

Originally Posted by: The Beast from the East 

Arpege giving Bristol a soaking on Tue, but of course it fades out as it moves further S & E. Some of the GEFS ens members are also quite interesting on Tue for Cardiff and Birmingham


It's not the voting that's democracy, it's the counting - Tom Stoppard

Chichester 12m asl

doctormog
14 August 2026 20:02:44

ECM 12z looking very wet for Bristol 

Originally Posted by: The Beast from the East 

 It’s really not. About 5 mm in the next 7 days and maybe as much as 12 mm in ten days on the accumulated rainfall charts (with the caveat of what we have seen modelled before at that range this summer). 

Possibly wetter than recently, not that it would be difficult, but damp at most.


Jiries
14 August 2026 20:03:22

Hardly any rain for the South on the ECM 12z Beast 

Originally Posted by: Ally Pally Snowman 

12z ensembles also look very dry here all the way just slight spikes in FI as usual.  It will be cooler but settled with average temps at times.  

fairweather
14 August 2026 21:22:58
Met Office saying there is a risk of thundery downpours here "in the early hours". Not widespread but I'll believe it when I see it.
S.Essex, 42m ASL
White Meadows
14 August 2026 21:59:26
The slightly healthier looking rain spikes in my location on yesterday’s ensembles have somewhat diminished today. 

It really is unprecedented to be able to sit on the lawn at night and keep a completely dry bottom. Even in August. 

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