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6 - While August 2003 remains western Europe’s most severe heatwave, 2026 saw a much larger area exceeding 30°C across the season

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Sam Burgess @oceanterra.org · 15h

5 - Zooming in on western Europe, the region experienced four of its ten most severe heatwaves between May and August. Severity here reflects duration, intensity and affected area.

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Sam Burgess @oceanterra.org · 18h

4 - Europe was impacted by both widespread and prolonged heat stress. A record 52% of Europe was affected by ‘very strong’ heat stress by the end of summer. Heat is now a health emergency

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Sam Burgess @oceanterra.org · 20h

3 - European seas did not escape the heat this summer 56% of the European ocean was much warmer than average 22% experiencing record-high sea surface temperatures.

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Sam Burgess @oceanterra.org · 22h

#Climate change is not just raising temperatures. It is increasing the likelihood of prolonged periods when heat, water stress and wildfire risk occur simultaneously. Understanding these compound extremes is essential for building resilience across our water, food, energy and health systems.

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Sam Burgess @oceanterra.org · 22h

Europe didnt just experience an exceptionally hot summer in 2026. It experienced a summer where multiple climate extremes reinforced each other. First - temperature records were broken at daily, monthly and seasonal scales across Europe Read more: climate.copernicus.eu/summer-revie...

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Sam Burgess @oceanterra.org · 10/09/2026

August 2026 was the warmest August ever recorded globally and the warmest month on record El Niño is pushing temperatures higher, but these records are occurring in a climate that has already been fundamentally altered by decades of burning fossil fuels heating our planet #Climate 🧪⚒️🌊

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Sam Burgess @oceanterra.org · 24/08/2026

Ocean sea surface temperatures now at record levels! Anticipated but not welcomed... For more: climate.copernicus.eu/copernicus-d... #ClimateAction 🌊🧪⚒️

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Gavin Schmidt @climateofgavin.bsky.social · 12/08/2026

2027, on the other hand, is going to blow apart the record for the warmest year. 🤷

GISTEMP data from 1980, with predictions for 2026 and 2027 (phew wot a scorcher...)

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Sam Burgess @oceanterra.org · 13/08/2026

#eclipse at 94%, captured on a Seestar, Berkshire, UK

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Sam Burgess @oceanterra.org · 13/08/2026

A solar eclipse. The Perseids. Two reminders that some of nature's most extraordinary moments happen when we take time to look up. But the highlight may have been discovering this little chap/ette in our garden while perseid watching! With @edhawkins.org

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Ed Hawkins @edhawkins.org · 13/08/2026

We are so fortunate that the geometry of our solar system is aligned to give us the wonderful spectacle of the #eclipse. Although it wasn't a total eclipse in the UK, it was fantastic to see so many people out watching!

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Sam Burgess @oceanterra.org · 10/08/2026

Of course :). Southern Spain had a super we spring, so the above average rivers are a legacy from those storms

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Sam Burgess @oceanterra.org · 10/08/2026

Read more from the latest bulletin: climate.copernicus.eu/climate-bull...

climate.copernicus.eu

Climate Bulletins

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Sam Burgess @oceanterra.org · 10/08/2026

Western Europe recorded its hottest June-July on record, enduring the fourth heatwave since May with severe drought conditions that contributed to exceptional wildfire activity. Climate signals are becoming increasingly interconnected and increasingly difficult to ignore.

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Sam Burgess @oceanterra.org · 09/07/2026

June 2026 data from Copernicus ECMWF offered another stark reminder of our changing #climate: - Western Europe recorded its warmest June on record - Globally it was the 2nd warmest June according to ERA5 Our climate system is continuing to accumulate heat .

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Sam Burgess @oceanterra.org · 30/06/2026

Some optimistic #climate news - clean energy met all of global electricity growth in 2025. Excellent analysis by @carbonbrief.org See: www.carbonbrief.org/six-charts-s...

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Sam Burgess @oceanterra.org · 26/06/2026

Europe's most severe #heatwave ever recorded! Well done to the @wwattribution.bsky.social team for publishing their latest #climate attribution study during the heatwave. Read full report: www.worldweatherattribution.org/fossil-fuel-...

he cities (EU + Switzerland + UK + Norway urban regions with a population of over 50,000) where WBGT records were broken (or forecast to be broken) during this heatwave. A record was broken in approximately 45% of urban regions.

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Sam Burgess @oceanterra.org · 26/06/2026

As #LCAW concludes, this warning over most of the UK from the @metoffice.gov.uk is 'yet' another reminder that we will continue to see more of these types of extremes with further #ClimateChange #Heatwaves are hotter, longer and occur more frequently due to the burning of fossil fuels

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Emma Monk @monkemma.bsky.social · 24/06/2026

35°C is normal, we used to just call that summer! Here's how many summers topped 32°C 70s 4 80s 2 90s 8 2000s 6 2010s all of them 2020s all of them And here's how many summers topped 35°C 70s 1 80s 0 90s 2 2000s 2 2010s 3 2020s 4 (out of 6 so far)

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Sam Burgess @oceanterra.org · 23/06/2026

New research from @rebeccalize.bsky.social and team at @ecmwf.int shows that heat stress is not just increasing, it’s reshaping daily life across the world. Today, around one billion more people experience extreme heat stress compared to 50 years ago Full paper: www.nature.com/articles/s41...

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Sam Burgess @oceanterra.org · 22/06/2026

Yes, I should have added June record 🫣, although looking at the forecast, both the June record and all time national record may both be exceeded this week. Sadly only a matter of time…

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Sam Burgess @oceanterra.org · 22/06/2026

The UK temperature record that has held since 1976 of 35.6 degrees, is forecast to be 38-40 degrees in June 2026. Future heatwaves will be more intense in an even warmer world. Europeans are exposed to more heat stress than ever before due to continued burning of fossil fuels

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Sam Burgess @oceanterra.org · 11/06/2026

Delighted to join #SB64 in Bonn with the @priestleycentre.bsky.social @copernicusecmwf.bsky.social @iiasa.ac.at Indicators of Global Climate Change annual update including the launch of the new dashboard and publication. indicators.climate.copernicus.eu essd.copernicus.org/articles/18/...

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Adam Vaughan @adamvaughan.bsky.social · 11/06/2026

A marine heatwave around the British Isles could have contributed to the UK's record 35.1C heatwave on land last month, according to scientists. Story feat @oceanterra.org & @noc.ac.uk 👇 www.thetimes.com/uk/environme...

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Sam Burgess @oceanterra.org · 10/06/2026

🌡️ The unusually early and intense European heatwave demonstrates how quickly climate extremes are becoming the new normal rather than the exception

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Sam Burgess @oceanterra.org · 10/06/2026

May 2026 was the second warmest May globally according to @copernicusecmwf.bsky.social 📈 The recent European heatwave followed a rapid transition from below average temperatures and this likely increased impacts on people, crops and ecosystems

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Sam Burgess @oceanterra.org · 10/06/2026

The latest @copernicusecmwf.bsky.social climate bulletin shows that May 2026 was the second warmest May globally. 🌊 Exceptionally high sea surface temperatures in the subtropical Pacific (not an El Niño signal yet)

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Sam Burgess @oceanterra.org · 14/05/2026

I’m not a cloud expert, so I didn’t want to be shot down 😉

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Sam Burgess @oceanterra.org · 13/05/2026

Fun pseudo mammatus clouds in London today; dodging the hail, however, was less fun… #cloudart

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Sam Burgess @oceanterra.org · 13/05/2026

Latest C3S seasonal forecast: - El Niño is increasingly likely in 2026 - Over 50% of the C3S multi-system ensemble now exceed 2.5°C amplitude in Niño3.4 by the end of the forecast If an El Niño does develop in 2026 it will be with much warmer ocean temperatures than the 2023/24 El Niño… 🌊🧪⚒️🌏

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Sam Burgess @oceanterra.org · 11/05/2026

Weather Replay - your time machine to revisit past weather Exciting new application launched today by @copernicusecmwf.bsky.social Check out the comparison between the 'infamous' 1976 heatwave and the 40 degrees in the UK in 2022 🌡️🧪⚒️ Check it out: weather-replay.climate.copernicus.eu

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Sam Burgess @oceanterra.org · 08/05/2026

April 2026: joint 3rd warmest April on record. New Copernicus climate data show near-record ocean heat, widespread marine heatwaves, low Arctic sea ice & sharp contrasts across Europe. A climate increasingly shaped by extremes. More: climate.copernicus.eu/copernicus-s...

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Sam Burgess @oceanterra.org · 04/05/2026

Peak spring in Oxfordshire! Love this time of year in 🇬🇧 - the fragrance from the bluebells and wisteria is enchanting 🌸☀️ #spring #blossom

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Sam Burgess @oceanterra.org · 29/04/2026

The European State of the Climate Report is launched today: 🌐 more than 40 datasets 👩‍🔬 over 100 scientists 🗺️ > 130 charts and graphics 🌍 🌡️ Europe is the fastest warming continent, with temperatures rising at around twice the global average rate Check it out: climate.copernicus.eu/ESOTC

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Sam Burgess @oceanterra.org · 29/04/2026

The @copernicusecmwf.bsky.social and @wmo-global.bsky.social European State of the Climate report launches today Covering 21 topics and climate indicators Check it out: climate.copernicus.eu/esotc/2025

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Sam Burgess @oceanterra.org · 02/04/2026

Ocean surface temperature back at 21 degrees according to @copernicusecmwf.bsky.social Climate Pulse. Record high temperatures in the Pacific Ocean will be interesting to watch over the coming months 🌊🌡️🧪⚒️

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Sam Burgess @oceanterra.org · 10/03/2026

And the WWA analysis suggests a ~10% increase in intensity from anthropogenic climate change although they highlight strong regional differences www.worldweatherattribution.org/increasingly...

worldweatherattribution.org

Increasingly severe rainstorms put people and structures built on floodplains at risk – World Weather Attribution

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Sam Burgess @oceanterra.org · 10/03/2026

Great question @kencaldeira.com, we’ve not done a specific climate attribution study, however, this graphic from AR6 highlights heavy rain increase with high confidence for Europe

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Sam Burgess @oceanterra.org · 10/03/2026

Scheduling issue, now sorted

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Sam Burgess @oceanterra.org · 10/03/2026

Thanks for spotting @peterdutoit.com, I'll check the issue

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Sam Burgess @oceanterra.org · 10/03/2026

During February 2026, Europe yet again saw the growing impacts of climate change. 🌧️ A series of atmospheric rivers, together with a south-shifted jet stream led to heavy-to-extreme precipitation, triggering widespread flooding and landslides, particularly across Iberia and western France. 🌍🧪⚒️

Anomalies and extremes in the number of ‘wet days’ (days with at least 1 mm of precipitation) from 1 January to 20 February 2026. The extreme categories (‘highest' and ‘lowest') are based on rankings for 1979–2026. The other categories describe how the number of ‘wet days’ compares to the distribution during the 1991–2020 reference period. ‘Much higher/lower than average’ - higher/lower than 90% of the number ‘wet days’. ‘Higher/lower than average’ - than 66% of values. ‘Near average’ - within the middle 33%.
Data source: ERA5. Credit: Copernicus Climate Change Service/ECMWF.

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Sam Burgess @oceanterra.org · 10/03/2026

The extreme events of February 2026 highlight the growing impacts of #climate change and the pressing need for global action. 🌡️ Global temperatures were 1.49°C above pre-industrial levels, for the 5th warmest February More details: climate.copernicus.eu/press-releases

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