The Weather Outlook

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Taylor1740
09 July 2025 18:00:23

Out of curiosity who is the quote from? Secondly, the value stated was 17°C to 17.5°C after having original been a “cool July” and then “cooler second half of the month”. The sound of goalposts being moved is almost deafening.

Also in context the t2m values for the GFS 12z run  were right at the lower end of the range of the ensemble suite. Is it really more important to cherry pick selected data to try and prove a point than it is to look at all the output? 

Originally Posted by: doctormog 

I said that 17 - 17.5c was realistically as cool as July could end up (not predicting that would happen) and you ridiculed the idea of the CET getting anywhere near that low. Therefore if it gets within .5c of that so 18c or lower then that would be unfathomable to you.


NW Leeds - 150m amsl
TimS
  • TimS
  • Advanced Member
09 July 2025 18:37:45

ECM continues the GEM theme of charts that would be tantalising in midwinter. 


Brockley, South East London 30m asl
Rob K
09 July 2025 18:47:15

It’s still very hard to say whether next weekend will be hot and muggy, a complete washout or just average summery weather. I’m none the wiser. It looks like there will be an unsettled interlude in the middle of next weekend but after that anything could happen. 


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

Ally Pally Snowman
09 July 2025 19:33:07

ECM is odd atm it just doesn't want to give us any unsettled weather. Unlike the rest of the output including AIFS which although keeping it very warm is quite unsettled at times. 


Bishop's Stortford 85m ASL.
fairweather
09 July 2025 19:41:14

Ot (well, it's just hot, hot, hot atm) I'll be honest, rain seems to follow your cricket team around. Can you change you tour to Devon please?

Originally Posted by: Devonian 

Or Essex! Although I have to confess when I did play cricket it seemed to only rain at weekends and be glorious while I was t work all week.


S.Essex, 42m ASL
Essan
09 July 2025 19:51:58

Ot (well, it's just hot, hot, hot atm) I'll be honest, rain seems to follow your cricket team around. Can you change you tour to Devon please?

Originally Posted by: Devonian 

Or Worcestershire,  Our last "wet" day was back in April .....   (I don't consider the odd shower or a bit of light rain overnight to be particularly wet.  Got to the stage where even 2mm in a day is notable ..... )


Andy

Evesham, Worcs, Albion - 35m asl

Weather & Earth Science News 

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DEW
  • DEW
  • Advanced Member
09 July 2025 19:54:47

Never mind all this ***** hot weather. Here's someone who believes that next winter will be snowier and colder than recent winters, and calls in at least some meteorological principles to support his thesis.

https://www.severe-weather.eu/long-range-2/early-forecast-data-weak-polar-vortex-united-states-canada-winter-2025-2026-fa/ 


War is God's way of teaching Americans geography - Ambrose Bierce

Chichester 12m asl

Polar Low
09 July 2025 19:58:30

ECM is odd atm it just doesn't want to give us any unsettled weather. Unlike the rest of the output including AIFS which although keeping it very warm is quite unsettled at times. 

Originally Posted by: Ally Pally Snowman 

I wouldn’t bet against it very strong ecm mean at 144 not high uncertainty either

https://www.meteociel.fr/modeles/ecmwf.php?ech=144&mode=1&map=0&type=1&archive=0 

Polar Low
09 July 2025 20:14:08

Ukmo 168 adds serious weight with ecm mean solution 

No low breakthrough 

https://www.meteociel.fr/modeles/ukmoeu.php?&ech=168&mode=0 

 

Brian Gaze
09 July 2025 20:35:35

MOGREPS-G 12Z looks warm or very warm in the south through the middle of next week. IME, they often undershoot temperatures, unlike the UKV.

UserPostedImage

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Brian Gaze

Berkhamsted

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Polar Low
09 July 2025 20:53:14
Matty H
09 July 2025 21:15:58

I think it was Darren that said the other day that this summer, rain and cooler conditions feels like chasing snow in winter 

There does definitely feel a theme of recurring heat and unsettled and cooler weather getting pushed back. It’s certainly been the case the last month

Makes a nice change from the dreadfully cool and unsettled weather we’ve had so far this summer…


Yate, Nr Bristol

TBFTEIARBSC

Brian Gaze
09 July 2025 21:51:59

Please stay OT. 😊


Brian Gaze

Berkhamsted

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09 July 2025 22:09:14

Makes a nice change from the dreadfully cool and unsettled weather we’ve had so far this summer…

Originally Posted by: Matty H 

Gloomin wonderful. Will have to get the heat on this weekend. Which heat?😉


Berkshire
Chunky Pea
09 July 2025 23:13:28

Never mind all this ***** hot weather. Here's someone who believes that next winter will be snowier and colder than recent winters, and calls in at least some meteorological principles to support his thesis.

https://www.severe-weather.eu/long-range-2/early-forecast-data-weak-polar-vortex-united-states-canada-winter-2025-2026-fa/ 

Originally Posted by: DEW 

Wouldn't surprise me in the least. A cold winter is long overdue and I think we will see a lot more stormier weather this autumn and winter than recent ones as well, which is based on nothing more than a distant hunch. 


Patrick,

East Galway, Ireland.

The Beast from the East
10 July 2025 00:44:56

Seems like the reload of the Azores ridge is going to give potential nasty heat around the 17th.  That 20c isotherm looks like its going to hit us eventually


Purley, Surrey, 70m ASL

"We have some alternative facts for you"

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Ally Pally Snowman
10 July 2025 04:41:54

Insane heat on this mornings GFS.  Only Tuesday doesn't get to 30c then later next week into the mid to high 30s. 🥵🥵🥵


Bishop's Stortford 85m ASL.
Ally Pally Snowman
10 July 2025 04:51:55
The GFS 0z temps from today -

31c, 32c, 32c, 31c, 31c, 26c, 30c, 33c, 35c, 37c, 37c, 39c, 35c, 33c, 34c, 36c.


Bishop's Stortford 85m ASL.
Heavy Weather 2013
10 July 2025 05:08:51

The GFS 0z temps from today -

31c, 32c, 32c, 31c, 31c, 26c, 30c, 33c, 35c, 37c, 37c, 39c, 35c, 33c, 

Originally Posted by: Ally Pally Snowman 

Yes, it really is an astonishing one. Only towards the end does it want to try and bring westerlies back, but right now I’d put money on that failing. Completely bonkers.


Mark

Beckton, E London

Less than 500m from the end of London City Airport runway.

Polar Low
10 July 2025 05:11:56
Ally Pally Snowman
10 July 2025 05:19:51

Yes, it really is an astonishing one. Only towards the end does it want to try and bring westerlies back, but right now I’d put money on that failing. Completely bonkers.

Originally Posted by: Heavy Weather 2013 

Probably the longest prolonged heat I've ever seen. It's even rebuilding at the end.

For balance though GEM is much more unsettled. 


Bishop's Stortford 85m ASL.
Brian Gaze
10 July 2025 05:37:02

I think that must be one of the hottest GFS runs ever! That said, I'm not sure all that much has changed this morning and next week's developments remains uncertain.

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Brian Gaze

Berkhamsted

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TimS
  • TimS
  • Advanced Member
10 July 2025 06:05:56

I think that must be one of the hottest GFS runs ever! That said, I'm not sure all that much has changed this morning and next week's developments remains uncertain.

UserPostedImage

Originally Posted by: Brian Gaze 

I think possibly the hottest run ever, full stop. There is also 44-45C in the Northern part of France and 47C in the South West. Really quite extreme.

Funny though how so often when one model goes in one direction (and GFS has progressively "improved" for 2 or 3 runs now) the other models go the other way. The non-breakdown is partially supported by UKMO but both AIFS and GEM are more unsettled than ever. ECM has been stubbornly resisting a breakdown so doubtless it will now flip.


Brockley, South East London 30m asl
Heavy Weather 2013
10 July 2025 06:06:58

While the op was an outlier at the end, it does appear there has been shift upwards of the suite in the second half of the range.


Mark

Beckton, E London

Less than 500m from the end of London City Airport runway.

Essan
10 July 2025 06:12:02

Dunno about temperatures,  but GFS 00z this morning has zero precipitation for a large part of central southern England (and hardly any for almost the rest of England and Wales) for it's entire run.   


Andy

Evesham, Worcs, Albion - 35m asl

Weather & Earth Science News 

Look in the doubt we've wallowed, look at the leaders we've followed, look at the lies we've swallowed, and I don't want to hear no more

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