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Sam Burgess @oceanterra.org · 02/10/2026

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 · 02/10/2026

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 · 02/10/2026

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 · 02/10/2026

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 · 02/10/2026

#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 · 02/10/2026

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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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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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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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

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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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 · 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

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

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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Sam Burgess @oceanterra.org · 10/02/2026

January 2026 delivered a stark reminder that the climate system can simultaneously deliver very cold weather in one region & extreme heat in another. These recent events highlight that resilience & adaptation to increasing extremes are key to prepare society for heightened climate risk.

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Sam Burgess @oceanterra.org · 14/01/2026

Mountains of change in our #climate. Climate change is a risk multiplier and impacts every single person on our planet. For more @copernicusecmwf.bsky.social data see: climate.copernicus.eu/global-clima... Data visualisation by @annalombardi.bsky.social, inspired by Joy Division and the BBC 🌍🌊🧪⚒️

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Sam Burgess @oceanterra.org · 14/01/2026

2025 global climate highlights are out: 🌡️ 2025 was 3rd warmest year on record, 1.47ºC above the preindustrial level 📈 2023-2025 is the first three year period above 1.5ºC (according to ERA5) 🌍 The last 11 years have been the warmest 11 years on record See: climate.copernicus.eu/global-clima... ⚒️🧪🌊

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Sam Burgess @oceanterra.org · 09/12/2025

The latest #climate update from Copernicus shows that 2025 is on course to be: - joint 2nd warmest year, tied with 2023 and behind 2024 (warmest year) - November 2025 was the 3rd warmest November globally For more: climate.copernicus.eu/copernicus-2... 🌏🌡️⚒️🧪🌊

Annual global surface air temperature anomalies (°C) relative to the 1850–1900 pre-industrial reference from 1967 to 2025. The value for 2025 is based on data for January to November. Data source: ERA5. Credit: C3S/ECMWF.

Monthly global surface air temperature anomalies (°C) relative to the 1850–1900 pre-industrial reference period from January 1940 to November 2025, plotted as time series for each year. The year 2025 as well as the two warmest calendar years are shown in colour: 2025 in dark red, 2024 in orange, and 2023 in yellow. All other years are shown with thin grey lines. Data source: ERA5. Credit: C3S /ECMWF.

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Sam Burgess @oceanterra.org · 15/11/2025

Autumnal forest stomp with purple jelly disc fungi amongst beautiful birch colours 🍄🍂🧪 #fungi #forestbathing #autumn

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Sam Burgess @oceanterra.org · 07/11/2025

Latest bulletin from @copernicusecmwf.bsky.social shows: October 2025 was the third-warmest October globally, 2025 on track to place second or third, possible tied with 2023, and behind 2024, the warmest year on record For more insights: climate.copernicus.eu/climate-bull...

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Sam Burgess @oceanterra.org · 07/11/2025

Latest #Climate data shows a podium finish for 2025 We are in the decade where the 1.5°C limit is likely to be exceeded, highlighting the accelerating pace of climate change Average global temperature for 2023–2025 is likely to exceed 1.5°C, the first three-year average to do so 🌡️🌏🧪⚒️

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Sam Burgess @oceanterra.org · 19/10/2025

Magpie inkcaps and porcelain #fungi spotted during the team retreat in Bonn this week #mycology #forestbathing #naturerestoration 🍄🌳🧪⚒️🏞️

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Sam Burgess @oceanterra.org · 09/10/2025

September 2025 was the third warmest on record Persistently high land and sea surface temperatures reflect the continuing influence of greenhouse gas accumulation in the atmosphere 🌍⚒️🧪🌊 For more: climate.copernicus.eu/copernicus-t...

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Sam Burgess @oceanterra.org · 08/10/2025

The @copernicusecmwf.bsky.social climate monitoring application #Climate Pulse has been updated. Same climate monitoring data with new features and better layout. 🌏🌊⚒️🧪 User feedback always welcome so let us know what you would like to see updated in the next version: pulse.climate.copernicus.eu

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Sam Burgess @oceanterra.org · 28/09/2025

Weekend recharge with fungi hunting in local Oxfordshire woodlands This autumn seems to be a great season for fly agarics 🍄🍄‍🟫🌳🍂 #fungi #mycology #forestbathing

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Sam Burgess @oceanterra.org · 26/09/2025

On these occasions - full respect to the people of the UK, who also christened 'Boaty McBoatface' 🇬🇧🛤️🍁🚆

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Sam Burgess @oceanterra.org · 09/09/2025

Latest data from @copernicusecmwf.bsky.social show that August 2025 was the third warmest on record globally (after 2023 and 2024). Europe had its fourth warmest summer season, with some countries such as the UK having their warmest summer on record.

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Sam Burgess @oceanterra.org · 20/08/2025

Heat Stress - have you experienced a #heatwave in 2025? Find out how heatwaves and coldwaves have changed across the world with @copernicusecmwf.bsky.social new application Thermal Trace. 🌡️⚒️🧪🛰️🌍 Check out the new application here: thermaltrace.climate.copernicus.eu

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Sam Burgess @oceanterra.org · 14/08/2025

Here are our figures which we published back in Jan via @copernicusecmwf.bsky.social and climate.copernicus.eu/global-clima... Still shocking six months on 🌏🧪

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Sam Burgess @oceanterra.org · 13/08/2025

High sea surface temperatures continue in the #Arctic Much warmer in the Bering Strait, Canadian Arctic and south of Greenland in August 2025 compared with August 2024. Maps from @copernicusecmwf.bsky.social ClimatePulse 🌊🧪⚒️❄️ #ClimateAction

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Sam Burgess @oceanterra.org · 10/07/2025

Heatwaves in June 2025 were intensified by record breaking Mediterranean temperatures more than 5°C above average Impacts of marine #heatwaves: 🪸🐠 heat stress in marine ecosystems 🌊 📉 reduce oxygen levels effecting ocean industries 🥵 Increase humidity, ⬆️ heat stress for people ➕many more

Daily sea surface temperature anomaly (°C) on 30 June 2025 relative to the average for the 1991–2020 reference period highlighting a marine heatwave in the western Mediterranean Sea. The dashed box shows the domain used to compute the time series shown in the figure below. Data source: ERA5. Credit: C3S/ECMWF.

Daily sea surface temperature anomalies (°C) averaged over the western Mediterranean basin from 1979 to 30 June 2025. The year 2025 is highlighted in dark red and 2023 in light red. All other years are shown in grey. The western Mediterranean domain (1°W–15°E, 33–46°N) used to compute the time series is shown in the map above. Data source: ERA5. Credit: C3S/ECMWF.

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Sam Burgess @oceanterra.org · 09/07/2025

🌡️ June 2025 was the 3rd warmest June globally 🥵 June 2025 saw an exceptional #heatwave impact large parts of western Europe 🌊 This heatwave was made more intense by record ocean temperatures. #climate change means heatwaves are: 🌞more frequent, 📈 more intense & 🌍 impact more people 🧪⚒️

Anomalies and extremes in the average surface air temperature between 17 June and 2
July 2025. The extreme categories (‘coolest’ and ‘warmest’) are based on rankings of average
temperatures for the same 16 days during 1979–2024. The other categories describe how the
temperatures compare to the distribution of these temperatures during the 1991–2020 reference
period. ‘Much cooler/warmer than average’ - cooler/warmer than 90% of temperatures.
‘Cooler/warmer than average’ - than 66% of temperatures. ‘Near average’ - within the middle 33%.
Credit: C3S/ECMWF

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Sam Burgess @oceanterra.org · 30/06/2025

Surprisingly, extremely hot (for Austral winter) in some West Australian locations

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