ACRE2026
Rome, 16-18 September 2026
via dei Taurini 19 National Research Council
For information contact segreteria@aisam.eu
The international Atmospheric Circulation Reconstructions over the Earth (ACRE) initiative works to retrieve our global climate history. It harnesses the work of many professionals and volunteers to recover historical terrestrial and marine weather observations. Project members search out millions of documents, typically paper-based, convert them to electronic images and then digitise the useful data they contain.
The data supports computer-based 4D weather reconstructions (reanalyses) spanning the last 200-250 years. Climate applications and analyses of climate impacts worldwide benefit from the work of the ACRE initiative. All of the historical surface weather data and the reanalyses are freely available.
The present meeting is designed to provide a collaborative space for participants to connect, exchange ideas, and assess the current state of the art of data rescue initiatives worldwide.
AIMS OF THE 2026 MEETING
The conference calls for abstracts on the identification and recovery of historical weather observations from previously unexplored regions and time periods. Contributions may address newly uncovered data sources, novel data extraction techniques, or applications of rescued datasets. We especially encourage submissions employing automated AI/ML workflows, citizen science initiatives, and best practices, as well as studies that use historical data to investigate climate extremes, including floods, droughts, and other hazards. The meeting will also advance efforts in climate adaptation by incorporating insights from past extreme climate events.
Organizing Committee
- Prof. Rob Allan – International ACRE Project Manager, National Observatory of Athens
- Prof. Alessandro Ceppi – Pegaso University
- Dr. Dimitra Founda – National Observatory of Athens
- Dr. Veronica Manara – Milano University
- Prof. Maurizio Maugeri – Milano University
- Dr. Marina Baldi – National Research Council
- Prof. Dino Zardi – University of Trento
- Dr. Michele Brunetti – National Research Council
Venue
The meeting will be held at the National Research Council in Via Taurini, 19, Rome (ITALY).
The meeting place is close to Central Station Roma Termini (15 minutes on foot).
The area is plentiful of hotels.
Wednesday, 16th September
08:30-09:30: Welcome & Registration
09:30-10:15: Opening remarks
10:15-10:30: Rob Allan – Short overview of ACRE
Session I – Convener: Dimitra Founda
10:30-10:50 Gilbert Compo:The NOAA-CIRES-DOE 20th Century Reanalysis facilitated by ACRE: Past, Present, and Future
10:50-11:10 Rob Allan: SHARED (Supporting Historical Analyses and Reanalyses of European Domain climate trends and changes)
11:10-11:30 Simon Noone: The Copernicus Climate Change Service (C3S) Data Deposit Service (DDS)
11:30-12:00: Coffee break
12:00-12:20 Denis Stuber*: From Observations to Climate Services: The Journey of one observation
12:20-12:40 Alessandro Ceppi: Unlocking Historical Meteorological Data in Africa: the Italian heritage in the Copernicus Project
12:40-13:00 Victoria Slonosky: The Canadian NORTHERN project
13:00-14:30: Lunch (at the venue)
Session II – Convener: Simon Noone
14:30-14:50 Philip Brohan: Training AI for data rescue
14:50-15:10 Else van den Besselaar: Facilitating data rescue initiatives
15:10-15:30 Susanna Brotchie: Sub-daily Climate Data Digitisation across the UK and Ireland using the Google Gemini Large Language
Model
15:30-15:50 Davide Nicoli: Developing a human-in-the-loop workflow for climate data recovery
16:00-16:30: Coffee break
Session III – Convener: Rob Allan
16:30-16:50 Alessia Spezza: Recovering Historical Snow Records from Hydrological Yearbooks in the Italian Alps
16:50-17:10 Carlota Corbella: HIST-DAILY: A dataset of daily and sub-daily European weather observations before 1900
17:10-17:30 Stefan Brönnimann: Daily Atlantic-European Jet Variability since 1725
17:30-17:50 Matthew Hannaford: Tropical cyclone activity over mainland Mozambique and the Mozambique Channel during the nineteenth century
17:50-18:10 Erica Bruera*: Analysis of pressure data from the Historical Meteorological Station of the Physics Institute of the University of Torino
18:10-18:15 Day One Close
20:00: Dinner in a typical Roman restaurant
Thursday, 17th September
9:00-9:30: Welcome & registration (if needed)
Session IV – Convener: Veronica Manara
9:30-9:50 Ed Hawkins: Recent UK data rescue activities and the value of these observations for reconstructing historical extreme events
9:50-10:10 Dimitra Founda: Insights into climatic conditions and extremes in Greece during the pre-industrial era
10:10-10:30 Jarrad Rowe*: A severe winter storm record for southwestern Australia, 1830–2024
10:30-10:50 Praveen Teleti*: Data Rescue of Historical Weather Observations from Southeast Asia to Improve Long-term Flood and Drought Prediction
11:00-11:30: Coffee break
11:30-11:50 Colin Evans*: The Reassessment of Ireland’s Minimum and Maximum Monthly Air Temperature Extremes
11:50-12:10 Stergios Misios: RescueΚλίμα: Rescuing the 20th century Greek climate history of extremes
12:10-12:30 Vincenzo Totaro: Analysis of Daily Rainfall Extremes in Peninsular Southern Italy
12:30-12:50 Roger Stone: Applications of data rescue and reanalysis systems in further attribution studies of severe microbursts impacting electricity power transmission systems
13:00-14:30: Lunch (at the venue)
Session V – Convener: Philip Brohan
14:30-14:50 Simon Noone: Climate Data Rescue in Academia-The CliDaR-Africa project
14:50-15:10 Veronica Manara: Digitizing Italian Historical Weather Bulletins through Citizen Science: Progress and Perspectives from the ReData Project
15:10-15:30 Bruno Arcuri: Recovery of historical Italian meteorological observations and development of long-term precipitation and temperature time series within the Cli-DaRe project
15:30-15:50 Francesca Frasca: Promoting Climate Literacy through Data Rescue Initiatives: The Contribution of Italian School-Work Programmes
16:00-16:30: Coffee break
Session VI – Convener: Catherine Ross
16:30-16:50 Martin Stendel: Three centuries of weather observationson board of Danish ships: First results from the ROPEWALK project
16:50-17:10 Hisayuki Kubota: Activities of ACRE Japan 2025-2026 – Data rescue of instrumental meteorological data records of Dutch Naval ship logs sailing along East Asian coastal regions during the 1850s and 1860s
17:10-17:30 Tina Leiding: DWD’s efforts for data rescue at national and international stages
17:30-17:50 Togo Tsukahara: Historical reconstruction by Diaries: with special reference to the Japanese case of the Ino Tadataka in early 19th century
17:50-18:00 Day two close
20:00 Social dinner at “Casa dell’Aviatore” https://www.casaviatore.it/
Friday, 18th September
9:00-9:30: Welcome & registration (if needed)
Session VII – Convener: Ed Hawkins
9:30-9:50 Catherine Ross: Unlocking the gold mine – making international climate data from the National Meteorological Archive available for climate science
9:50-10:10 Malte Rehbein: Reclaiming Meteorological Observations from the Coburger Zeitung (1883–1932): An LLM-Driven Automated Framework for Fifty-Year Climate Reconstruction from Historical Newspapers
10:10-10:30 Mariela Vásquez Guzmán: DARE: Records from Quinta Normal (Santiago, Chile), one of the oldest centennial observation stations in Latin America. A continuous series from 1873 to 1887
10:30-10:50 Christa Pudmenzky: Australia’s early explorers’ contribution to weather and climate science
11:00-11:30: Coffee break
11:30-11:50 Anita Paul*: Rescuing Nearly Two Centuries of Climate Observations: The Klagenfurt Long-Term Climate Series (1830–Present)
11:50-12:10 Carla Mateus: Data rescue of early historical meteorological observations from Ireland
12:10-12:30 Norihiro Matsumura: Reconstruction of Crop Yield Potential for the Past 1000 Years Using Paleoclimate Reconstruction Methods: A Comparative Analysis with Societal Events
12:30-12:50 Sebastiano Carpentari: More Than Just Rain: Spatial and Temporal Variations in Precipitation Across the Verona-Tyrol Alpine Transect, 1923-2024
13:00-14:30: Lunch (at the venue)
Session VIII – Convener: Carla Mateus
14:30-14:50 Luigi Iafrate*: The CREA Historical Meteorology: a mine of climate data to be digitized
14:50-15:10 Conall Ruth: A long-term reconstruction of daily European temperature from historical observations using machine learning
15:10-15:30 Lionel Swan:Digitising History: Two Women Observers and their Climate Records at Glenam, Clonmel Ireland (1867–1911)
15:30-15:50 Matteo Balistrocchi: Trends in rainy day number in Northern Italy based on rescued Hydrological Yearbook data (1951–1991)
15:50-16:00 Final meeting overview & next meeting 2027
16:00-16:30: Coffee break
17:00-19:00: City sightseeing tour on double decker bus
The social dinner will be held at Casa dell’Aviatore, a prestigious venue in the heart of Rome, on Thursday, 17 September, at 8 pm.
Abstract Submission
Abstract submission must be done by filling the dedicated form.
New Submission deadline: 15 June 2026.
Abstract submission is now closed.
Registration
The ACRE2026 meeting will be held in Rome, from 16 to 18 September 2026, at the National Research Council.
To participate it is necessary to register filling the dedicated form.
The Congress will be held in person and remotely. Participation is open to everyone.
Registration is mandatory, both to participate in presence and remotely.
Registrations are now closed.
Registration fee:
in presence 300 Euros (it includes lunches and coffee breaks for all days of the meeting, as well as the social dinner)
1 day registration in presence 150 Euros (social dinner excluded)
1 day registration in presence + social dinner 200 Euros
Remote participation Free (registration is necessary also for remote participation)
The Organizing Commettee will reserve 3 free registrations for young researchers and developing Country researchers among those who will submit an abstract and give a presentation in person. Application must be indicated in the Abstract Submission Form
Registration and payment deadline 30 June
Payment by bank transfer to:
Associazione Italiana di Scienze dell’Atmosfera e Meteorologia
Bank: Unicredit
IBAN: IT23X0200801804000104607581
Reason for bank transfer: ACRE2026 meeting, Name, Surname.
Please send the bank transfer slip to amministrazione@aisam.eu
Payment by PayPal:
1 day in presence (150€)
1 day in presence + dinner (200€)
In Presence (300€)
Proceedings Publication
For those interested, the proceedings of the ACRE2026 Meeting will be published on the SCOPUS indexed journal BAST (Bulletin of Atmospheric Science and Technology) edited by Springer.
AISAM encourages the submission of conference papers, in the form of short or regular papers, to the BAST Topical Collection dedicated to AISAM Conferences and Workshops.
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