mastodon 4.7.2The #CopernicusClimate Change Service (#C3S) & #CopernicusAtmosphere Monitoring Service (CAMS), implemented by ECMWF on behalf of the European Commission.
🌡️ Europe is the fastest‑warming continent, warming at more than 2× the global average. Changing weather patterns, reduced air pollution, declining snow cover & proximity to the rapidly warming Arctic all play a role. Dive into the full analysis in #ESOTC2025 from #Copernicus Climate @ECMWF@fediscience.org and WMO.
❄️ In 2025, much of Europe saw fewer snow days than average, while end‑of‑season snow cover extent was 31% below average and snow mass 45% below, both the 3rd lowest in 42 years.
More in #ESOTC2025 from #Copernicus Climate @ECMWF@fediscience.org and WMO https://climate.copernicus.eu/esotc/2025/snow?utm_source=socialmedia&utm_medium=MA&utm_campaign=european-state-of-the-climate-2025&utm_id=ESOTC-2025
#CopernicusClimate
The new Terrestrial Water Storage Anomalies (TWSA) dataset from #Copernicus Climate provides global monthly anomalies in total land water storage (soil moisture, groundwater, surface water, snow and ice) from 2002–2025 at 0.5° resolution.
Explore the dataset ➡ https://cds.climate.copernicus.eu/datasets/satellite-terrestrial-water-storage?tab=overview
The dataset is created by GFZ Helmholtz Centre for Geosciences.
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
📈 In 2025, at least 95% of Europe saw above‑average temperatures. 📉 The area of Europe experiencing winter days with freezing temperatures is shrinking 🌡️ and the continent saw its second most severe heatwave on record.
Get more insight in the full report ➡️ https://climate.copernicus.eu/esotc/2025/temperature?utm_source=socialmedia&utm_medium=MA&utm_campaign=european-state-of-the-climate-2025&utm_id=ESOTC-2025
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/
Air pollution is a major health risk in Europe – but it’s measurable, trackable and actionable. New insights from the Copernicus Health Hub shows how #CopernicusAtmosphere products help monitor air quality, understand pollution episodes & support evidence-based action for public health.
Air quality in Europe has improved in recent decades, but still poses a major public health challenge. At the 9th #CopernicusAtmosphere Policy User Workshop hosted by HungaroMet, experts discussed new CAMS tools to support the Ambient Air Quality Directive & strengthen air quality action.
Read the article: https://atmosphere.copernicus.eu/new-cams-policy-tools-support-public-health-9th-cams-policy-user-workshop
The massive Saharan dust plume which turned skies deep red over parts of Greece on 1 April was very clear in the #CopernicusAtmosphere dust aerosol optical depth forecast, with another plume predicted to reach Cyprus on 3 April.
🔗 Latest charts can be viewed at https://atmosphere.copernicus.eu/charts/packages/cams/products/aerosol-forecasts?layer_name=composition_duaod550&projection=classical_europe
Rebecca Emerton, Senior Scientist @ECMWF@fediscience.org and Lead Editor of #ESOTC2025, shares her perspective on the report. In this interview, she reflects on the finding that surprised her most, the result that deserves closer attention & how the report can help everyone make sense of Europe’s changing climate.
🌍 Explore the report: https://climate.copernicus.eu/esotc/2025?utm_source=socialmedia&utm_medium=MA&utm_campaign=european-state-of-the-climate-2025&utm_id=ESOTC-2025
🌊 New in the Climate Data Store (CDS): monthly ocean and sea‑ice time series from ORAS5 (Ocean Reanalysis System 5), 1958–present. Get long records at chosen ocean locations for trend analysis and monitoring, without downloading full global grids.
https://cds.climate.copernicus.eu/datasets/reanalysis-oras5-timeseries?tab=overview
New in the Copernicus Climate Change Service (C3S) Climate Data Store: time-series dataset of thermal comfort indices from ERA5 reanalysis, hourly 1940–near real time. Get location-based trends for heat stress, without downloading full global grids.
Explore it now: https://cds.climate.copernicus.eu/datasets/derived-utci-historical-timeseries?tab=overview
Coming 29 April! #ESOTC2025 is a major scientific achievement, with 100 scientists analysing around 45 datasets and variables to provide insight on Europe’s evolving climate. Produced by #CopernicusClimate @ECMWF@fediscience.org and WMO, it delivers robust, policy-relevant climate information.
Discover our past reports: https://climate.copernicus.eu/
🌸 Spring is in full swing! CAMS Regional Ensemble Forecasts show daily mean birch pollen over Europe from 14 March to 14 April.
Explore CAMS' pollen forecasts here: https://atmosphere.copernicus.eu/charts/packages/cams_air_quality/products/europe-air-quality-forecast-pollens
Spring is possibly the most complicated season in terms of air pollution. Read this article to find out why this is the case and how CAMS can help you track air pollution:
https://atmosphere.copernicus.eu/spring-air-cams-air-quality-tools-breathe-easily-throughout-season
Did you know that the European State of the Climate 2025, published by #CopernicusClimate @ECMWF@fediscience.org and WMO, will provide in-depth insight into 21 climate topics, including biodiversity?
Get ready for its release on 29 April! #ESOTC2025
More ⬇️
🌍 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.
❄ 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.
🔔 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/
Help improve climate data! Submit your tender for the provision and operational delivery of Evaluation and Quality Control activities for Climate Data Store datasets, supporting 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
One dataset, two ways of looking at it. At Visualising Climate 2026, we will explore how design choices like these change what people see & understand about our climate. Join us to experiment and co-create better ways of seeing climate data.
🗓 4–6 November 2026📍 Bologna, Italy
🔗 Details & registration: https://climate.copernicus.eu/visualising-climate-2026
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
📣 Mark the date! On 29 April, @ECMWF@fediscience.org and WMO will release the European State of the Climate 2025 report, including full coverage of climate conditions, key events, and long-term trends of climate indicators.
Stay tuned! #ESOTC2025
It brings together the expertise of around 100 leading scientists from the Copernicus Climate Change Service, implemented by ECMWF, as well as specialists from WMO and partner institutions worldwide.
New invitation to tender: maintenance and evolution of the European Climate Data Explorer (ECDE), a key platform linking the Climate Data Store (CDS) data to European climate‑adaptation needs.
📆 Deadline: 11 June
Details:
https://climate.copernicus.eu/c3s2430abis-maintenance-and-evolution-european-climate-data-explorer
📌 Reminder: Deadline 14 May!
Submit your tender for the provision and operational delivery of Evaluation and Quality Control activities for Climate Data Store datasets, supporting quality information and fitness-for-purpose guidance.
Details:
https://climate.copernicus.eu/c3s2520bis-evaluation-and-quality-control-datasets-climate-data-store
🚀 Registrations are now open for EU Space Days 2026!
Join policymakers, industry leaders and innovators in Nicosia to explore the future of Europe’s space sector and the impact of the EU Space Programme.
🔗 Register here https://ec.europa.eu/eusurvey/runner/euspacedays26
🌐 New ITT from #CopernicusAtmosphere: Submit your tenders to evaluate times series of global surface greenhouse gas fluxes using ground-based and satellite observations and improve tools to assess mitigation efforts. 🗓️ Deadline: 23 June
📊 The April 2026 edition of the #CopernicusClimate multi-system seasonal forecast is now available.
With this April 2026 release we have incorporated two new forecast systems from contributing institutions: CPS4 from the Japanese Meterological Agency and GloSea6-GC5.1 from the UK MetOffice.
💧 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.
#CopernicusAtmosphere air quality forecast map for Europe, including several pollution episodes in March 2026 driven by natural events, seasonal activities and other anthropogenic sources.
CAMS forecasts help citizens, authorities and decision-makers anticipate pollution episodes to better protect public health.
Discover CAMS forecasts:
https://atmosphere.copernicus.eu/european-air-quality-forecast-plots
Copernicus Image of the Day:
https://www.copernicus.eu/en/media/image-day-gallery/air-pollution-patterns-across-europe-march-2026
📢 Deadline for abstract submissions postponed! Submit your oral and poster presentation proposals by 17 April for the 22nd International Workshop on Greenhouse Gas Measurements from Space.
Save the date: 29 June – 2 July 2026, Bonn, Germany.
Hosted by ECMWF and the German Space Agency at DLR.
Call for abstracts:
https://atmosphere.copernicus.eu/22nd-international-workshop-greenhouse-gas-measurements-space
Three charts based on #CopernicusClimate data you shouldn’t miss this month:
📉 Anomalies in ‘wet days’ in Europe from 1 Jan to 20 Feb - C3S
1️⃣ https://bsky.app/profile/copernicusecmwf.bsky.social/post/3mgx2mdogtc2c
Explore the article: https://climate.copernicus.eu/exceptional-rainfall-and-flooding-parts-europe-and-north-africa-february
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Three charts based on #CopernicusAtmosphere data you shouldn’t miss this month:
📈 Global sea salt aerosol – Ernesto Barrera
1️⃣ https://x.com/waveologist/status/2033537352874778836
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Register by 30 April for the C3S User Workshop on 3 June hosted by #CopernicusClimate & HungaroMet Hungarian Meteorological Service. Unlock the potential of #CopernicusClimate data while connecting with fellow C3S users in Hungary.
👉🏼 Secure your spot: https://climate.copernicus.eu/c3s-user-workshop-hungarian-user-community
🌍 Are you a Hungarian climate service user? Don't miss the chance to be part of the C3S User Workshop on 3 June hosted by #CopernicusClimate & HungaroMet Hungarian Meteorological Service.
👉🏼 Secure your spot now: https://shorturl.at/Hh7E8
Request for proposals: Assess how #CopernicusClimate & #CopernicusAtmosphere can best support European action in a changing geopolitical context. Map key domains; identify needs, challenges, users and use cases; & provide recommendations.
📅 Deadline: 06/05/2026
📅 Apply by 6 May! Assess how #CopernicusClimate & #CopernicusAtmosphere can best support European action in a changing geopolitical context. Map key domains; identify needs, challenges, users and use cases; & provide recommendations.
🌍 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
🗓️ New deadline: 14 May 2026.
Submit your tender for the provision and operational delivery of Evaluation and Quality Control activities for Climate Data Store datasets, supporting quality information & fitness-for-purpose guidance.
Details:
https://climate.copernicus.eu/c3s2520bis-evaluation-and-quality-control-datasets-climate-data-store
❄ 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.