The Weather Outlook

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Devonian
14 May 2026 21:29:40

The problem, Dev, is that the boat that would have got us to a survivable climate has now sailed.  Sea level is rising faster than ever, having increased in the last decade: we’re now looking at 5 cm per decade. It will continue to increase, driven by melting ice and thermal expansion.  It might not sound much but it’s a one way street heading downhill: potentially a metre in 75 years is incredibly serious.

A huge amount of the additional heat from AGW has been taken up by the oceans. That will likely mean more extreme El Niño events, such as this one predicted (with a fairly high confidence level) for later this year.  That will most likely drive global air temperatures to a new record, potentially 1.7-1.8c above pre-industrial levels.

Global CO2 is now above 430ppm.  

There’s a really good animation here: https://science.nasa.gov/earth/explore/earth-indicators/carbon-dioxide/

The emissions juggernaut won’t be stopping this side of 500ppm, I don’t think?

Originally Posted by: Gandalf The White 

Yes and I'm afraid I think 500ppm is optimistic, I think the atmosphere will get to a point where it is bad for health - and not just our species.. Remember, 'co2 is plant food', 'drill baby drill' and how people from you and I to 'Hansen' and 'Mann' have been attacked.

Not happy thoughts, sometimes I wonder if humans are already starting to behave more oddly under the influence of increasing CO2 - we'll get scorned and ridiculed for that too....

Chunky Pea
17 May 2026 23:19:27
Some serious tornadic storms have broken out over parts of western Iowa & eastern Nebraska at the moment. Reed Trimmer is currently on the scene. Potential for even more serious storms & tornadic activity tomorrow night over pretty much the same broader region. Some interesting captures likely over the coming days, and hopefully without any tragedy. 
Patrick,

East Galway, Ireland.

DEW
  • DEW
  • Advanced Member
07 June 2026 07:58:33

Asymmetric snow season (not much early, then lots of it) creating unstable snowpacks hence avalanches

Originally Posted by: DEW 

And it continues (the above post was from March)

Stage of Women's Giro d'Italia shortened by 28km as finish threatened by 'unstable ice sheet' in the Alps at Colle de Finestre between Turin and Sestriere. The road had already needed clearing from a previous avalanche

https://www.bbc.co.uk/sport/cycling/articles/c20y4920ew7o 


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

Chichester 12m asl

Roger Parsons
12 June 2026 08:28:09
‘Godzilla’ El Niño! If you did not see the Telegraph article about this, it's on Yahoo.

"El Niño, an oceanic heatwave that occurs two to three times each decade, is building in the Pacific around the equator, and is expected to peak in September, the United Nations' World Meteorological Organization (WMO) has warned.

The warm current will affect weather patterns and increase the risk of droughts in Australia, and southern parts of Asia and Africa. It will also increase the likelihood of violent storms and heavy rainfall in parts of the Americas.

US scientists confirmed on Thursday that El Niño conditions were under way in the tropical Pacific after sea-surface temperatures rose sharply in recent months.

While droughts and storms are bad enough, experts say this could be the strongest El Niño on record, with even more severe potential outcomes. These include flooding, landslides, wildfires, famine, conflict and migration.

The expected severity has led to some meteorologists using the term Godzilla El Niño – after the colossal dinosaur-like creature that has featured in dozens of monster films.

How a ‘Godzilla’ El Niño could plunge the world into irreversible chaos

https://uk.yahoo.com/news/godzilla-el-nino-could-plunge-050000708.html 


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

Roger Parsons
16 June 2026 14:06:22
A bit of history...

""There's a lot been on the news quite recently about El Nino and the effects the global impact of this warm water current in the Pacific might have on the world as it has in the past," says Dr Robb Robinson, an honorary research fellow at the University of Hull. 

"That and its complementary current, the Humboldt current, the cold-water current, have been a subject of a lot of examination over the years," he adds.

"And one of the reasons we know quite a lot about it is that the foundations for our understanding of these currents in the Pacific, a lot of them were laid by a research ship called the William Scoresby."

How forgotten voyages helped track El Nino - Hull

https://www.bbc.co.uk/news/articles/cnv9dlppmr7o 


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

Rob K
22 June 2026 10:33:10
The French readings are back on Weatherobs after mysteriously disappearing for a few days.

Already 38.4C at La Rochelle, should be plenty of 40s across France today.


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

DEW
  • DEW
  • Advanced Member
03 July 2026 04:50:50
But if you want heatwaves, the real bigly and beautifullest ones are a special part of the 25th celebrations in Washington.

"By the way, on July 4th, it's going to be approximately 107 degrees out, and I'm gonna go and I'm gonna make a really long speech just to show that I can do anything," he [Trump] said.

https://www.bbc.co.uk/news/articles/cevlkzer7vdo 


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

Chichester 12m asl

NMA
  • NMA
  • Advanced Member
03 July 2026 05:56:31
He really said that.

"By the way, on July 4th, it's going to be approximately 107 degrees out, and I'm gonna go and I'm gonna make a really long speech just to show that I can do anything." 


Vale of the Great Dairies

South Dorset

Elevation 60m 197ft

DEW
  • DEW
  • Advanced Member
19 July 2026 08:03:33
Most cities in the northeast US recording record levels of pollution from Canadian wildfires and in many cases well above the level regarded as hazardous.

https://yaleclimateconnections.org/2026/07/dangerous-and-historic-wildfire-smoke-pollution-event-engulfs-the-u-s-and-canada/ 

The only comparable wildfire smoke event affecting this portion of North America occurred in 2023; a 2025 study blamed that event for 33,000 premature deaths in the United States, 8,300 in Canada, and 23,000 in Europe. According to the EPA, a premature air pollution death is one that occurs on average 14 years before a person would have otherwise died.


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

Chichester 12m asl

Ulric
26 July 2026 08:30:20
This looks a bit lively!

A significant severe weather outbreak is forecast across the north-central Mediterranean and the Adriatic Sea region on Sunday. Strong instability and highly sheared environments combine for widespread thunderstorm activity with large to giant hail, severe winds, tornadoes, and flash flood potential.

https://www.severe-weather.eu/weather-forecast/severe-weather-forecast-outlook-july-26th-2026-high-risk-europe-italy-adriatic-mk/ 


The Party told you to reject the evidence of your eyes and your ears. It was their final, most essential command. - 1984
DEW
  • DEW
  • Advanced Member
02 August 2026 06:50:28
Danube water level at Budapest down to 23cm - shin deep!

Reported widely - here's a source with no firewall

https://www.nbcnews.com/world/europe/record-low-danube-river-affects-tourism-drought-heat-central-europe-rcna589968 

It's not clear whether this is a bankside gauge or a mid-river depth, but it's been enough to stop shipping and even strand a cruise boat. Reuters has a photo 

https://www.reutersconnect.com/feed?query=slug%3AEUROPE-WEATHER 


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

Chichester 12m asl

Roger Parsons
10 August 2026 03:03:21
Scanning BBC World news today...

Residents warned to brace for the worst as Canada wildfire rages out of control

Puerto Rico rations water supplies due to intense drought

Hundreds arrested over French wildfires, but who is to blame?

China evacuates one million from homes as massive storm arrives

https://www.bbc.co.uk/news/world 


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

Gandalf The White
11 August 2026 13:27:21
Not sure where this should go, but here is probably best for now.  Latest El Niño update (issued 31 July):

https://wmo.int/news/media-centre/strong-el-nino-expected-intensify#:~:text=A%20strong%20El%20Niño%20is,to%20strengthen%20during%20August-October%202026&text=Above%2Dnormal%20temperatures%20are%20expected%20worldwide .


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



NMA
  • NMA
  • Advanced Member
11 August 2026 13:50:18

Not sure where this should go, but here is probably best for now.  Latest El Niño update (issued 31 July):

https://wmo.int/news/media-centre/strong-el-nino-expected-intensify#:~:text=A%20strong%20El%20Niño%20is,to%20strengthen%20during%20August-October%202026&text=Above%2Dnormal%20temperatures%20are%20expected%20worldwide .

Originally Posted by: Gandalf The White 

Thank you for that Peter. Hope the forecast for Northern Europe is wrong.

Rainfall Outlook

The August–October 2026 rainfall outlook exhibits patterns of a classic, strong El Niño event. Wetter-than-normal conditions are expected across the Greater Horn of Africa; parts of Central Asia; Southern Europe; Western North America (south of 45°N); and Southeastern South America. In contrast, drier-than-normal conditions are more likely over The Indian subcontinent; Southern and eastern Australia; Southern Central America and parts of the Caribbean; Northwestern South America; and Northern Europe.


Vale of the Great Dairies

South Dorset

Elevation 60m 197ft

Gandalf The White
11 August 2026 22:10:12

Thank you for that Peter. Hope the forecast for Northern Europe is wrong.

Rainfall Outlook

The August–October 2026 rainfall outlook exhibits patterns of a classic, strong El Niño event. Wetter-than-normal conditions are expected across the Greater Horn of Africa; parts of Central Asia; Southern Europe; Western North America (south of 45°N); and Southeastern South America. In contrast, drier-than-normal conditions are more likely over The Indian subcontinent; Southern and eastern Australia; Southern Central America and parts of the Caribbean; Northwestern South America; and Northern Europe.

Originally Posted by: NMA 

Thanks, glad you found it interesting.

Did you notice the ‘cool blob’ south of Greenland?  An indicator that all is not well with the AMOC.


Location: South Cambridgeshire

130 metres ASL

52.0N 0.1E



White Meadows
11 August 2026 22:53:07

‘Godzilla’ El Niño! If you did not see the Telegraph article about this, it's on Yahoo.

"El Niño, an oceanic heatwave that occurs two to three times each decade, is building in the Pacific around the equator, and is expected to peak in September, the United Nations' World Meteorological Organization (WMO) has warned.

The warm current will affect weather patterns and increase the risk of droughts in Australia, and southern parts of Asia and Africa. It will also increase the likelihood of violent storms and heavy rainfall in parts of the Americas.

US scientists confirmed on Thursday that El Niño conditions were under way in the tropical Pacific after sea-surface temperatures rose sharply in recent months.

While droughts and storms are bad enough, experts say this could be the strongest El Niño on record, with even more severe potential outcomes. These include flooding, landslides, wildfires, famine, conflict and migration.

The expected severity has led to some meteorologists using the term Godzilla El Niño – after the colossal dinosaur-like creature that has featured in dozens of monster films.

How a ‘Godzilla’ El Niño could plunge the world into irreversible chaos

https://uk.yahoo.com/news/godzilla-el-nino-could-plunge-050000708.html 

Originally Posted by: Roger Parsons 

Europe is certainly on track for some Godzilla style changes in the coming weeks. I’ll just leave it at that. 

DEW
  • DEW
  • Advanced Member
14 August 2026 17:20:54
Unprecedented heavy rain in Tokyo.. Wish they could send a bit this way

https://www.bbc.co.uk/news/live/c69v42kvv9gnt 

...

and 25 inches of rain forecast for Hawaii

https://yaleclimateconnections.org/topic/eye-on-the-storm/ 


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

Chichester 12m asl

lanky
14 August 2026 19:06:09

Unprecedented heavy rain in Tokyo.. Wish they could send a bit this way

https://www.bbc.co.uk/news/live/c69v42kvv9gnt 

...

and 25 inches of rain forecast for Hawaii

https://yaleclimateconnections.org/topic/eye-on-the-storm/ 

Originally Posted by: DEW 

350mm of rain in 19 hours in Chiba City just east of Tokyo with a rate of of over 100mm/hour at the height of the storm

https://www.nytimes.com/2026/08/14/world/asia/chiba-tokyo-flood-rain-deaths.html 


Martin

Richmond, Surrey

Jiries
17 August 2026 14:33:57
Storms over Nicosia today and temperatures very cool 22.4C at the moment after maxed at 33.8C late morning.  They had a very wet Spring and not a dry summer this year, they had rain often in the mountains and outskirts only Nicosia got this today and last month.   I see their web cams in other area show giantic storm looking clouds and very black below.  That what we should be chasing for here if we want to end the drought this way.  Light rain does not cut it and extremely stupid as other countries when their drought ends it always come with storms. and heavy rain giving inches.  it my belief that it must come with storms to end the drought, in 2018 was half way house after the drought but was bog standard boring rain showers. 1995 September we had storms and one day severe thunderstorm from the east give over a inch of rain.

Edit now 22c and still raining there and very late it never rain after 4pm, always midd day to early afternoon.  GFS Nicosia ensembles had been very good this year as it show low 850s of 17C and high rain spike for today and less tomorrow. 

Jiries
17 August 2026 17:54:58
https://cyprus-mail.com/2026/08/17/nicosia-hit-by-heavy-rains 

Flooding in Nicosia street.

Other update from Kita from his FB feed said 60mm of rain had fallen on one of the area I used to live before in 1984 to 1986 was hit the hardest.  Must be a major storm to last long time and to finish at 6pm very late as normally it gone by 4pm.

Roger Parsons
21 August 2026 13:24:32

Thank you for that Peter. Hope the forecast for Northern Europe is wrong.

Rainfall Outlook

The August–October 2026 rainfall outlook exhibits patterns of a classic, strong El Niño event. Wetter-than-normal conditions are expected across the Greater Horn of Africa; parts of Central Asia; Southern Europe; Western North America (south of 45°N); and Southeastern South America. In contrast, drier-than-normal conditions are more likely over The Indian subcontinent; Southern and eastern Australia; Southern Central America and parts of the Caribbean; Northwestern South America; and Northern Europe.

Originally Posted by: NMA 

Thanks Nick. I've been following the El Niño posts on TWO with interest.

I expect everyone here has noticed the BBC is taking an interest this week. In particular:

Stormy autumn, cold winter - how might El Niño affect the UK weather?

https://www.bbc.co.uk/weather/articles/cd0x17r4j0yo 

El Niño set to be 'strongest in living memory', says Met Office

https://www.bbc.co.uk/weather/articles/c3ekg93vjz9o 

Panama Canal to cut number of ships passing through due to El Niño

https://www.bbc.co.uk/news/articles/cwyl0jkxxryo 

El Niño BBC pages

https://www.bbc.co.uk/news/topics/cg79zvkv0zpt 


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

Ally Pally Snowman
26 August 2026 11:43:00
Insane flash floods in Nepal,  the footage is terrifying.  

https://www.bbc.co.uk/news/live/c6y8mjmnpxv0t 


Bishop's Stortford 85m ASL.
DEW
  • DEW
  • Advanced Member
26 August 2026 21:15:10
Rissaga Alert in Menorca: Coastal Meteorological Phenomenon

https://diaricatalunya.cat/en/alt-emporda/general/rissaga-alert-in-menorca-coastal-meteorological-phenomenon 

This is a new meteorological term to me -otherwise known as a meteotsunami.


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

Chichester 12m asl

DEW
  • DEW
  • Advanced Member
28 August 2026 06:18:23
Italy faces summer's most intense heatwave with 45°C highs

https://www.euronews.com/my-europe/2026/08/27/italy-faces-summers-most-intense-heatwave-with-45c-highs 

Only for the south, though


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

Chichester 12m asl

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