#c3s — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #c3s, aggregated by home.social.
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Read our summary of the April 2026 #C3S Climate Bulletin. Discover the data behind the joint 3rd-warmest April globally, with the 2nd-highest average sea surface temperature on record. Arctic sea ice extent was the 2nd-lowest for April & Europe saw marked contrasts in precipitation.
Read the article: https://climate.copernicus.eu/second-highest-sea-surface-temperatures-recorded-during-third-warmest-april-globally
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The April 2026 #C3S Climate Bulletin reports drier-than-average conditions across western & central Europe in April, while easternmost & southeastern Europe saw above-average precipitation. France recorded its fourth-driest April on record.
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❄ April 2026 saw the second-lowest Arctic sea ice extent for April in the 48-year satellite record, at 4.8% below average. In the Antarctic, sea ice extent was about 10% below average, ranking 11th-lowest for April.
Get more sea ice insights in the #C3S Climate Bulletin. #CopernicusClimate.
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April 2026 was the joint third-warmest April globally, 0.52°C above the 1991–2020 average and 1.43°C above the pre–industrial level. The global average SST saw the second-highest April value on record, as neutral conditions shifted towards El Niño.
Read the full #C3S Climate Bulletin 👉 https://climate.copernicus.eu/surface-air-temperature-april-2026?utm_source=socialmedia&utm_medium=MA&utm_campaign=climate-bulleting&utm_id=CB-04-2026
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🌍 Calling Southeastern Europe climate data experts! On 10 June, join the "DMCSEE and C3S joint Workshop" and learn, engage & shape the future of C3S services.
🔗 Register here https://shorturl.at/2JcqQ
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Did you know the Climate Pulse app from #CopernicusClimate lets you explore global surface air temperature & sea surface temperature by day, month or year?
Explore the interactive maps, charts, data and downloads: https://pulse.climate.copernicus.eu/
See all the #C3S apps here: https://apps.climate.copernicus.eu/
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March 2026 saw the second-warmest global sea surface temperature on record for the month. It was the fourth-warmest March globally & the second-warmest for European land. Arctic sea ice extent was the lowest recorded for March.
Read the summary of the #C3S Climate Bulletin https://climate.copernicus.eu/sea-surface-temperatures-approach-record-levels-march
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🌍 From mapping heat stress & exploring 85 years of climate data to tracking methane plumes & forecasting aerosol events, #C3S & #CopernicusAtmosphere apps support understanding worldwide. Discover 5 flagship applications featured in the latest EU Space Observer.
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💧 The March 2026 #C3S Climate Bulletin reports drier-than-average conditions across much of Europe, while Iceland, the northern UK, much of Scandinavia, & several Mediterranean & Caucasus regions were wetter than average, with storms causing flooding & damage in multiple areas.
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❄ The March 2026 #C3S Climate Bulletin reports the lowest Arctic March sea ice extent in the 48-year satellite record at 5.7% below average, and tied lowest maximum winter extent. Antarctic sea ice extent was 10% below average, after four years of much larger negative March anomalies.
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The March 2026 #C3S Climate Bulletin reports the 4th-warmest March globally, 1.48°C above the pre-industrial level. Europe saw its 2nd-warmest March on record, while global-average SST reached 20.97°C, the second-highest for March. #CopernicusClimate
More info ⬇️
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🔔 Two days left! Submit your proposal by 9 April for Code for Earth 2026! Choose from challenges in data visualisation, machine learning or software development, plus a dedicated Africa stream, many leveraging #C3S & #CopernicusAtmosphere data.
🌐 Info: https://codeforearth.ecmwf.int/
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Find out more about ERA5 reanalysis and other datasets available in the #C3S Climate Data Store (CDS)
👉 https://climate.copernicus.eu/what-copernicus-climate-change-services-era5-reanalysis-dataset
👉 https://cds.climate.copernicus.eu/#!/home -
🔔 Deadline 9 April! Join @ECMWF 's 2026 Code for Earth: tackle challenges in data visualisation, machine learning & software development, plus a dedicated Africa stream, many leveraging #C3S & #CopernicusAtmosphere data.
Details:
🔴 https://climate.copernicus.eu/ecmwfs-code-earth-2026
🔵 https://atmosphere.copernicus.eu/ecmwfs-code-earth-2026You can also explore the challenges on GitHub 👉 https://github.com/ECMWFCode4Earth/Challenges_2026
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Discover how the new pan-Arctic regional reanalysis supports Arctic climate monitoring and user applications at the User Workshop, 10–11 June in Copenhagen.
More information: https://climate.copernicus.eu/copernicus-pan-arctic-regional-reanalysis-carra2-user-workshop
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🌍 Participate in @ECMWF 's 2026 Code for Earth! Apply by 9 April to tackle challenges in data visualisation, machine learning & software development, plus a dedicated Africa stream, many leveraging #C3S & #CopernicusAtmosphere data. 🚀
Details: https://codeforearth.ecmwf.int/
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Global marine surface meteorological variables from 1850 to 2024 now available in the Climate Data Store (CDS). This new version (2.0.0) includes additional drifting buoy data reprocessed by the C‑RAID project.
Access the resource: https://cds.climate.copernicus.eu/datasets/insitu-observations-surface-marine?tab=overview
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@ECMWF invites tenders for the provision and operational delivery of Evaluation and Quality Control activities for Climate Data Store datasets, supporting transparent quality information and fitness-for-purpose guidance.
Deadline: 7 May 2026.
Details:
https://climate.copernicus.eu/c3s2520bis-evaluation-and-quality-control-datasets-climate-data-store
#CopernicusClimate #C3S -
📢 Deadline extended – you can now apply by 27 March to strengthen #C3S user intelligence: gather & analyse user needs, run workshops, enhance the URDB + align with internal systems & support coordination/comms, ensuring balanced coverage.
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February 2026 brought exceptionally wet conditions and severe flooding to parts of western and southern Europe, while globally it was the fifth-warmest February on record. Arctic sea ice extent was third-lowest for the month.
Read the summary of the #C3S Climate Bulletin.
https://climate.copernicus.eu/exceptional-rainfall-and-flooding-parts-europe-and-north-africa-february -
💧 Hydrology insights from the February 2026 #C3S Climate Bulletin: pronounced contrast across Europe, with much of western & southern Europe wetter than average, while most of the rest of the continent was drier than average.
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❄ The February 2026 #C3S Climate Bulletin reports that Arctic sea ice extent was 5% below average – the third lowest on record for February. Antarctic sea ice extent was close to average, a sharp change from the much-below-average extents of the past four years.
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🌡 The latest #C3S Climate Bulletin reports the fifth-warmest February globally; 1.49°C above the pre-industrial average. Europe saw strong temperature contrasts, while global-average sea surface temp was the joint second-highest on record for February.
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Discover how #CopernicusAtmosphere & #C3S data are supporting the Mediterranean’s clean‑energy transition, informing solar and wind site selection, “energy drought” analysis and more through the Copernicus Energy Hub.
👉 Read the article:
https://energy.hub.copernicus.eu/copernicus-supporting-renewable-energy-mediterranean -
The past three years were the hottest on record. On the new askMITClimate podcast, Samantha Burgess, #C3S Strategic Lead for Climate, explains the science behind our warming climate and how we monitor our planet's health.
Listen now: https://climate.mit.edu/podcasts/e3-taking-earths-temperature
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📢 Final call for submissions! Apply by 13 March to strengthen #C3S user intelligence: gather & analyse user needs, run workshops, enhance the URDB + align with internal systems & support coordination/comms, ensuring balanced coverage.
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🌍 Up for a challenge? Participate in the 2026 Code for Earth by ECMWF! Tackle challenges in data visualisation, machine learning & software development, plus a dedicated Africa stream, many leveraging #C3S & #CopernicusAtmosphere data. Apply by 9 April. 🚀
Learn more: https://codeforearth.ecmwf.int/
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Help shape the future #C3S Water Service! Take part in our survey to help us understand your hydrological information needs & design the future of a global, user‑oriented platform with historical data, seasonal forecasts & climate projections.
📋 Take the survey: https://wur.az1.qualtrics.com/jfe/form/SV_3gyRL2gkA968126
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Die #Klimakrise trifft die #Welt:
Der August 2025 war weltweit der drittwärmste seit Beginn der Aufzeichnungen.
Laut #Copernicus-#Klimadaten lag die globale Durchschnittstemperatur bei 16,60 °C und damit 0,49 °C über dem Schnitt von 1991–2020. Im Vergleich zum vorindustriellen Niveau beträgt der Anstieg 1,29 °C.
Besonders #Europa erlebte zwischen dem 8. und 18. August eine ausgeprägte #Hitzewelle mit deutlichen Temperaturabweichungen.
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The new Thermal Trace app from #C3S and #ECMWF is here! 80+ years of thermal stress data based on “feels-like” temperatures for any location worldwide, now at your fingertips. Fast, intuitive, interactive – and free! Read our article for the full details and head to the app. 🔗
https://climate.copernicus.eu/thermal-trace-decades-heat-and-cold-stress-data-your-fingertips -
"Europe is currently the fastest-warming continent. Since the 1980s, Europe’s warming has outpaced the global average by a factor of two. Several factors explain this trend:
- Changing weather patterns [...]
- Reduced air pollution [...]
- Geography [...]" -
Der Mai 2025 war global der zweitwärmste Mai seit Beginn der Aufzeichnungen.
Laut ERA5-Daten lag die durchschnittliche #Oberflächentemperatur 0,53 °C über dem Mittel von 1991–2020 und 1,40 °C über dem vorindustriellen Niveau.
Nur der Mai 2024 war wärmer. In den letzten 23 Monaten überschritt die globale Temperatur 14-mal deutlich die 1,5-Grad-Marke.
https://climate.copernicus.eu/surface-air-temperature-may-2025
#Klimawandel #GlobaleErwärmung #Temperaturrekorde #Klimadaten #ERA5 #C3S #Mai2025
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Since July 2023, 21 of the last 22 months have seen global average temperatures 1.5ºC above the pre-industrial level, according to #ERA5 data - with July 2024 just 0.02°C below that mark.
Read more about the latest findings in our #C3S Monthly Bulletin: https://climate.copernicus.eu/2nd-warmest-april-globally-remains-15degc-above-pre-industrial-level?utm_source=socialmedia&utm_medium=ma&utm_campaign=2nd-warmest-april-globally-remains-15degc-above-pre-industrial-level
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Only one day until the ESOTC 2024 report release! On April 15, prepare for key climate insights from scientists worldwide in this collaborative report published by #C3S and WMO.
Discover more: https://climate.copernicus.eu/save-date-european-state-climate-2024-out-15-april?utm_source=socialmedia&utm_medium=ma&utm_campaign=save-date-european-state-climate-2024-out-15-april -
From #Himalaya to #Arctic - #GlaciersAtRisk: A Wake-Up Call on #WorldWaterDay
Story by Namrata Dadwal, March 21, 2025
"This year on World Water Day on March 22, the UN is highlighting '#GlacierPreservation'. Why? Because these frozen reservoirs that supply freshwater to nearly two billion people are disappearing at an alarming rate due to #ClimateChange.
"According to the #Copernicus Climate Change Service (#C3S), Earth's #glaciers have lost over 8,200 gigatonnes of ice since 1976, leading to #RisingSeaLevels and #WaterScarcity concerns. Nearly 6,000 gigatonnes were lost between 2000 and 2023, with the 2010s being the worst decade on record for glaciers almost the annual ice loss was more than double that of the 1980s, with an average of 370 gigatonnes of ice vanishing each year."
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Out now! Available in the #C3S data store: ERA5 hourly time-series data on single levels from 1940 to present. As a regridded subset of the full #ERA5 dataset on native resolution, it is designed for retrieving long time-series for a single point.
Direct link 👉 https://cds.climate.copernicus.eu/datasets/reanalysis-era5-single-levels-timeseries?tab=overview
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Just 1 day to go until we release the Global Climate Highlights 2024.
Follow us to find out all about last year's temperature, greenhouse gas concentrations, sea ice extent and more. -
The Global Climate Highlights 2024 offer an easy-to-follow overview of key climate data from this record-breaking year.
📅 This Friday, 10 January 2025
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Climate Pulse is a new interactive web application developed and maintained by the #Copernicus #Climate Change Service (#C3S) to make climate monitoring more accessible to a broad audience.
Global surface air temperature anomaly
Daily average ● Baseline: 1991-2020
Data: ERA5 ● Credit: C3S/ECMWF -
🌍📊 Discover the role of meteorological data rescue operations in enhancing #Copernicus reanalysis.
Reanalysis datasets like #C3S's #ERA5 use sophisticated computing to resolve these gaps, but historical data makes their work even more precise.
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August #SeaIce highlights from #C3S:
❄️ #Antarctic sea ice saw the largest negative anomaly for August on record, at 12% below average;
❄️ #Arctic sea ice was 10% below average but well above the record minimum from August 2012.#CopernicusClimate #Climate #seaice #Reanalysis #climatecrisis #Antarctic
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The #C3S monthly Climate Bulletin is out now:
📈June was the warmest June globally at just over 0.5°C above average;
📈 the North Atlantic saw record-high sea surface temperatures;
📈#Antarctic sea ice reached its lowest extent for June on record at 17% below average.#CopernicusClimate #reanalysis #climate #climatecrisis #ERA5
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May SeaIce highlights from #C3S:
#Antarctic sea ice extent reached a record low monthly value at 17% below average;
#Arctic sea ice extent was very close to average and almost identical to the value recorded in May 2022.
#CopernicusClimate #ECMWF #reanalysis #OpenScience #EarthObservation #ERA5 #ClimateCrisis #ClimateAction #Arctic #Antarctic
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2nd warmest May - following
4th warmest April and
2nd warmest March
Globally since 1950.The #C3S monthly Climate Bulletin is out now:
📈 #Antarctic sea ice extent reached a record low monthly value at 17% below average;
📈 Conditions were drier-than-average in the Iberian Peninsula.#CopernicusClimate #Reanalysis #EarthObservation #Climate #ClimateData #OpenScience
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RT @CopernicusECMWF: Do you want to know how #C3S data on #climatevariability supports the #REPowerEU plan?
🌬️📊C3S provides free climate reanalysis data to the renewable energy sector, for a comprehensive understanding of wind variability.
🐦🔗: https://n.respublicae.eu/CopernicusEU/status/1647924919919947781
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@phil_browne @OceanTerra Yes, there is a lot that could be done, both within your #DA system or outside (with a #DA, or #ML approach?).
The #satellite ppl are also very excited by the data-rescue work #C3S has initiated for the early missions (Nimbus-5, Nimbus-6,...) We are hoping that the resulting datasets will be shared with the community at large (beyond being input to #ERA6
Visibility on these data-rescue activities would help other funders (like #ESA Climate) to plan R&D activities.
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RT @CopernicusECMWF: November #Hydrological highlights from the #CopernicusClimate Change Service #C3S:
💧 Europe saw pronounced spatial variability in wet and dry conditions;
💧 Conditions were wetter-than-average along most of the Atlantic and North Sea coast.
More 👉 https://climate.copernicus.eu/precipitation-relative-humidity-and-soil-moisture-november-2022
🐦🔗: https://n.respublicae.eu/CopernicusEU/status/1602728910873059329
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November #Hydrological highlights from the #CopernicusClimate Change Service #C3S:
💧 Europe saw pronounced spatial variability in wet and dry conditions;
💧 Conditions were wetter-than-average along most of the Atlantic and North Sea coast.
More 👉 https://climate.copernicus.eu/precipitation-relative-humidity-and-soil-moisture-november-2022
#climate #ClimateCrisis #CopernicusClimate #hydrology #rain #OpenScience #opendata
