ClimaMeter is a rapid framework for understanding extreme weather events in a changing climate based on looking at similar past weather situations.
Joined August 2023
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👋 From now on, ClimaMeter will stop publishing on X and move to bsky.app/profile/climameter.… . 🙏Please follow our updates there 🌍! We recognize the importance of equality, diversity, and inclusion as foundation for society & science. These values are currently not supported by X.
#NewReport 🌀Heavy rain and strong winds in cyclone Zelia in Australia strengthened by human-driven climate-change. 🗒️Full study: climameter.org/20250212-cycl…. Contact Authors: @DaviFaranda (@IPSL_outreach) & Tommaso Alberti (@INGVambiente)
#CycloneZelia
Cyclones similar to Zelia are up -1 hPa deeper, up to 27 mm/day (up to 20%) wetter and up to 5 km/h (up to 10%) windier in the present compared to the past. They lead to colder (up to -2°C) conditions over the Australian Coasts.
#NewReport 💧February 2025 floods in #Queensland mostly exacerbated by human-driven climate change. 📊 Full Report: climameter.org/20250201-02-q… ✍️ Contact Authors @DaviFaranda & Gianmarco Mengaldo.
#QueenslandFloods
Meteorological conditions similar to that causing #QueenslandFloods are up to 17 mm/day (up to 20%) wetter over the coast of Queensland. Additionally, conditions are up to 5 km/h (up to 20%) windier offshore Queensland and up to 1.5 ºC warmer in the present compared to past
#NewReport ☔️💨 Heavy precipitation and strong winds in storm Éowyn mostly strengthened by human-driven climate change. 📊 Full Report climameter.org/20250124-stor…✍️ @DaviFaranda , @FlavioPons , @mcreal82 @mireginesta, Greta Cazzaniga, @ErikaCoppolaE
Storms similar to #StormEowyn are up to 4 hP deeper, up to 8 km/h (10%) windier over the Atlantic coasts of Ireland and France, and up to 6 mm/day (up to 15%) wetter in the present than they would have been in the past.
#StormEowyn was driven by very rare meteorological conditions. We mostly ascribe the strengthened wind and higher precipitation of Storm Éowyn to human-driven climate change and natural climate variability likely played a modest role.
#NewReport 🔥 January 2025 California #wildfires have been fueled by meteorological conditions strengthened by human-driven climate change. 📊Full Report: climameter.org/20250107-08-c…. ✍️ Contact Authors: @CazzanigaGreta, @DaviFaranda (@CNRS , @LSCE_IPSL, @IPSL_outreach)
Meteorological conditions similar to those triggering January 2025 California wildfires are up 5°C warmer, 3 mm/day (up to 15%) drier, and up to 5 km/h (up to 20%) windier in the present compared to the past, in the area interested by the fires.
However, with the influence of anthropogenic climate change, the warmer environment (+1.5°C) in which systems similar to #CycloneChido develop can enhance both their intensity and rainfall potential.
Given the lack of similar events in our dataset, we cannot disentangle the influence of natural variability in driving #cyclonechido trajectory
#CycloneChido was a very exceptional event in terms of meteorological conditions. Low-pressure systems making landfall in Comoros and Mayotte, such as Cyclone Chido, generally display precipitation and wind patterns similar to past events.
#NewReport 🌀Despite warming conditions, low confidence prevent ascribing #CycloneChido 's intensity to human-driven climate change. 📊Report available: climameter.org/20241214-cycl…. ✍️Contact Authors: @gretacazzi, @stella_bourdin, @mcalvarezcastro, @DaviFaranda
If you are attending #AGU24, don't miss @DaviFaranda invited presentation on ClimaMeter. It will be today, 11 December 2024; in "Detection and Attribution of Anthropogenic Climate Change and Extreme Weather and Climate Events" 16:00 - 17:30 EST, Convention Center, Salon A
🆕 Starting from December 6, 2024, our analyses integrate ERA5 data, providing coverage from 1950 with a latency of approximately 5 days and GFS forecasts, for the most recent days where ERA5 data is not yet available.
This upgrade:
✔️ ensures more robust data retrieval;
✔️ extends our historical period up to 1950, improving the research of analogues;
✔️ makes it possible to perform analysis on the same day an event occurs.
➡️ For more details, visit: climameter.org/methodology
