The Weather Outlook

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Hungry Tiger
18 June 2025 20:38:15

Yes, it was horrendous - I'll long remember carrying a whole load of Chromebooks across the baking school playground on that fateful day. Every breath burned, it hurt just to stay alive!

I paid for and stayed in a hotel room that evening, stuff going home to a 40+ house (as it'd been closed up all day). It cost me £80 to be a climate refugee for the night... but it was well worth it, the aircon was set to 19C and I had a wonderful night's sleep.

We will get 40C again in my lifetime, I'm sure, as the seal has been broken so to speak. Last time it started as a rogue outlier on the GFS, then the others picked up... I still remember GEM with its widespread 43s! Thankfully that was as overcooked as the winter chill it loves to show.

As for Brian's point about the GFS not handling drying very well, I find it interesting as there's no moisture at the surface already... the ground here at least is baked solid.

Originally Posted by: Retron 

You need to put air-conditioning in your house Darren.  I've got a hot upstairs. It's 29C atm. I'm intending to put air-conditioning in upstairs.  It's horrible and there's every indication we're getting hot spells every year.  🙂🙂


Gavin S. FRmetS.

TWO Moderator.

Contact the TWO team - [email protected]

South Cambridgeshire. 93 metres or 302.25 feet ASL.



fairweather
18 June 2025 21:03:53

The next two weeks here look like constant sunshine and temps at least 25-30C for the whole period and no rain. Luckily we have aircon in our upstairs bedroom so at least will be able to sleep ok. Unfortunately I can't sit outside in the sun now as I have a few skin blemishes that apparently have the potential to become cancerous and find factor 50 sun tan cream makes my eyes sting and my face sticky for all the dust blowing around. 

For those thinking about air con it is only around a grand to have a unit installed and seems well worth it, one of my best investments.


S.Essex, 42m ASL
Hungry Tiger
18 June 2025 21:16:48

The next two weeks here look like constant sunshine and temps at least 25-30C for the whole period and no rain. Luckily we have aircon in our upstairs bedroom so at least will be able to sleep ok. Unfortunately I can't sit outside in the sun now as I have a few skin blemishes that apparently have the potential to become cancerous and find factor 50 sun tan cream makes my eyes sting and my face sticky for all the dust blowing around. 

For those thinking about air con it is only around a grand to have a unit installed and seems well worth it, one of my best investments.

Originally Posted by: fairweather 

Good point- nice post. I'll get a quote. 🙂🙂🙂


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
19 June 2025 01:42:47

Yep, that sums everything up. Typical summer patterns, nothing exceptional on the cards, but usable weather for the Midlands southwards.

Originally Posted by: moomin75 

Shows its not just cold spells that go pete tong! 

Looks like another summer where the heat dome stays on  mainland europe after a brief flirtation on friday and saturday. 


Purley, Surrey, 70m ASL

"We have some alternative facts for you"

Kelly-Ann Conway - former special adviser to the President

Ally Pally Snowman
19 June 2025 05:44:19

Better set of 0z , much warmer again next week GFS is hot all the way really. Even AIFS is less unsettled and warmer. 


Bishop's Stortford 85m ASL.
Rob K
19 June 2025 06:34:50

Shows its not just cold spells that go pete tong! 

Looks like another summer where the heat dome stays on  mainland europe after a brief flirtation on friday and saturday. 

Originally Posted by: The Beast from the East 

Brief flirtation?

The 0Z GFS run is another 1976 special with a brief cooldown to mid 20s next week followed by 8 consecutive days of 30C+ with no sign of a let up by the end of the run. 


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

doctormog
19 June 2025 06:53:10

Brief flirtation?

The 0Z GFS run is another 1976 special with a brief cooldown to mid 20s next week followed by 8 consecutive days of 30C+ with no sign of a let up by the end of the run. 

Originally Posted by: Rob K 

Yes the outlook remains very warm overall. In more detail, hot weather for many gives way to more average conditions for a few days before very warm conditions return for many.


Devonian
19 June 2025 07:10:18

Yes the outlook remains very warm overall. In more detail, hot weather for many gives way to more average conditions for a few days before very warm conditions return for many.

Originally Posted by: doctormog 

Sadly it looks so. Perhaps not extreme heat but (for those of us brought up on British weather when such synoptics meant nice weather not seared drought) all rather sad. People still say our weather is awful (I was with friends last night who say the same) but it's endless heat every couple of years now -people just don't want to see.

I must say I don't look forward to what summer will bring. It looks like  an enhanced '76 for some. Few people seem to realise you can have too much of a good thing.

If you live in the SE get buckets ready.

DEW
  • DEW
  • Advanced Member
19 June 2025 07:18:51

GFS OP 00z; HP over the N Sea pulling in very warm S-lies until Sat 21st, when a weak trough drifts up from the south and combines with the Atlantic to give fresher W-lies through to Thu 26th (bur still quite warm and settled esp in the S). A new lobe of HP then arrives from the SW and by Sun 29th this is again over the N Sea pulling in warm S-lies. The evolution is then different with HP settling near NE Scotland and LP over France affecting S England Wed 2nd onwards, but with warm air still in place for the whole country. Hints of a return to W-lies by Sat 5th.

ECM; similar to GFS, but plus a trough embedded in the W-lies passing trough quickly on Fri 27th before the HP returns strongly

GEM; Like GFS but HP arrives from the SW Wed 25th but moving on E-wards and allowing weak troughs to hang around Britain Fri 27th and Sun 29th

GEFS; sharp drop of temps to norm Mon 23rd followed by a steady rise to Wed 2nd, rather warm by then before becoming unpredictable but most probably a little cooler. Very little chance of rain in the S, small amounts at various times in the N, only the far NW can count on getting some.


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

Chichester 12m asl

GezM
  • GezM
  • Advanced Member
19 June 2025 07:57:15

Overall the GFS ensembles haven't really changed that much over the last few days. A sharp drop in temperature sometime over the weekend was always the form horse. The Op run went off on an extremely hot escapade every now and then and probably messed around with a lot of people's weather apps. My Samsung weather app was forecasting 32C for Sunday about 3 days ago, now it is forecasting 24C.

It's looking like a return to very warm or hot weather during next week across much of England and Wales - generally dry too. ECM op looks to bring more unsettled weather further south and I'll be interested to see where that fits in the ensembles.


Living in St Albans, Herts (116m asl)

Working at Luton Airport, Beds (160m asl)

Brian Gaze
19 June 2025 10:05:06

Stay on topic. Start a new thread in the FA if you like. 


Brian Gaze

Berkhamsted

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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan

The Beast from the East
19 June 2025 11:23:35

 ECM op looks to bring more unsettled weather further south and I'll be interested to see where that fits in the ensembles.

Originally Posted by: GezM 

latest GFS 06z looks hot, so perhaps now a divide with ECM which remains a lot flatter and cooler


Purley, Surrey, 70m ASL

"We have some alternative facts for you"

Kelly-Ann Conway - former special adviser to the President

moomin75
19 June 2025 11:34:48

latest GFS 06z looks hot, so perhaps now a divide with ECM which remains a lot flatter and cooler

Originally Posted by: The Beast from the East 

Always find it hilarious when back to back runs are so different in FI.

The 6z has gone to showing max temps of 14c out in FI, when the 0z showed 37c.

Proof if ever needed to ignore most of what the models show.

They are no further forward now than they were 15 years ago!!


Witney, Oxfordshire

100m ASL

Devonian
19 June 2025 11:45:11

Always find it hilarious when back to back runs are so different in FI.

The 6z has gone to showing max temps of 14c out in FI, when the 0z showed 37c.

Proof if ever needed to ignore most of what the models show.

They are no further forward now than they were 15 years ago!!

Originally Posted by: moomin75 

I think they are better at trends than they were - though I do wonder if GFS has become degraded recently.

Probably the atmosphere is not so much river like at the moment as in flood plain mode. It's easier to predict a river's flow when it is falling  but when the fall is nearly zero the movement of water is more unpredictable?

Rob K
19 June 2025 12:03:21

latest GFS 06z looks hot, so perhaps now a divide with ECM which remains a lot flatter and cooler

Originally Posted by: The Beast from the East 

It drops off later in the run.

Seem to be fewer hot runs in the GEFS too (the 00Z GEFS had another 40C run, P6 - they barely even warrant a mention these days!)


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

fairweather
19 June 2025 12:24:30

Could be a record breaking dry year even for here in Essex, the driest County in England (I think). At the month end it will be half way and it now stands at 198mm and looks unlikely to increase much in the next couple of weeks. Mean for my station over last 15 years is 673mm and minimum was 432mm in 2022 with high rainfall in the autumn with a couple of others in the 400's.


S.Essex, 42m ASL
overland
19 June 2025 13:20:29

I'd suggest the outlook is pretty good and looks like a better version of late May/early June where although the charts weren't great at face value, the actually conditions were better in reality. The key difference to that period is that the Azores High looks like being more prominent, and with the heat to the south of us there is a much higher chance of more short, or even prolonged, periods of hot, dry weather.


Mumbles, Swansea. 80m asl
Rob K
19 June 2025 13:37:59
GFS 6Z goes from a high of 31C in London on the 29th to just 14C max at 3pm the following day. Seems a little extreme!
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

cultman1
19 June 2025 15:00:14

It’s just one model and it’s wrong! 

DEW
  • DEW
  • Advanced Member
19 June 2025 15:31:10

It’s just one model and it’s wrong! 

Originally Posted by: cultman1 

It wouldn't take much of a NE-ly if the wind switched that way to bring a dramatic cooling - look at the temps in Scandinavia!


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

Chichester 12m asl

warrenb
19 June 2025 16:40:12
The sudden drop at the end of next week has gone anyway.It now drops from 28 to uhhh 28

GEM now hotter than GFS for end of next week


moomin75
19 June 2025 16:52:05

The sudden drop at the end of next week has gone anyway.It now drops from 28 to uhhh 28

GEM now hotter than GFS for end of next week

Originally Posted by: warrenb 

To my eyes, things are starting to look more definitively like a proper breakdown is on the cards. UKMO is quite changeable, GFS shows some proper rain in the 7-10 day time frame, not withstanding possible heavy thundery showers over the weekend, GEM is trending much more changeable and cooler at the very end of the run after a hot start. ICON looks slightly better, so all eyes on ECM this evening. 

Edit. Surely one of the coldest July days on record if this 12z GFS verified, which thankfully it won't. 11c at 3pm on 1st July. Laughable. 


Witney, Oxfordshire

100m ASL

Hungry Tiger
19 June 2025 17:11:15

To my eyes, things are starting to look more definitively like a proper breakdown is on the cards. UKMO is quite changeable, GFS shows some proper rain in the 7-10 day time frame, not withstanding possible heavy thundery showers over the weekend, GEM is trending much more changeable and cooler at the very end of the run after a hot start. ICON looks slightly better, so all eyes on ECM this evening. 

Edit. Surely one of the coldest July days on record if this 12z GFS verified, which thankfully it won't. 11c at 3pm on 1st July. Laughable. 

Originally Posted by: moomin75 

I wouldn't mind this. 🙂🙂🙂🙂


Gavin S. FRmetS.

TWO Moderator.

Contact the TWO team - [email protected]

South Cambridgeshire. 93 metres or 302.25 feet ASL.



doctormog
19 June 2025 17:16:26

To my eyes, things are starting to look more definitively like a proper breakdown is on the cards. UKMO is quite changeable, GFS shows some proper rain in the 7-10 day time frame, not withstanding possible heavy thundery showers over the weekend, GEM is trending much more changeable and cooler at the very end of the run after a hot start. ICON looks slightly better, so all eyes on ECM this evening. 

Edit. Surely one of the coldest July days on record if this 12z GFS verified, which thankfully it won't. 11c at 3pm on 1st July. Laughable. 

Originally Posted by: moomin75 

The biggest story by far on the model output is prevailing warmth and not an op run on one mile del showing cool conditions for a day at more than 10 days out.


Taylor1740
19 June 2025 17:20:41

To my eyes, things are starting to look more definitively like a proper breakdown is on the cards. UKMO is quite changeable, GFS shows some proper rain in the 7-10 day time frame, not withstanding possible heavy thundery showers over the weekend, GEM is trending much more changeable and cooler at the very end of the run after a hot start. ICON looks slightly better, so all eyes on ECM this evening. 

Edit. Surely one of the coldest July days on record if this 12z GFS verified, which thankfully it won't. 11c at 3pm on 1st July. Laughable. 

Originally Posted by: moomin75 

We shall see, but I get the feeling based on the output that these next few days will be the highest temperatures we see until at least mid-July possibly late July.


NW Leeds - 150m amsl

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