AFTER
AFTER (Annotated Forbush–decrease Topological Event Recognition) is a support-based, complexity-aware framework for identifying and annotating FD-like depressions in multi-station neutron-monitor data.
The revised AFTER catalogue is built from ten NMDB stations at 2-minute cadence over 2018–2025.
It combines background-referenced amplitude, temporal-complexity markers, and explicit multi-station support to separate higher-confidence events from more exploratory detections.
Main catalogue
- AFTER main core catalogue Default working catalogue of higher-confidence events.
Additional files
- Full detector-based catalogue
- Conservative core subset
- Exploratory subset
- Validation summary against IZMIRAN 2019
- Support diagnostics
External reference
Repository
Citation
If you use the catalogue or code, please cite the associated AFTER manuscript and this repository.
How to cite If you use the AFTER method, catalogues or scripts in a publication, please cite:
D. Sierra-Porta (2026). Annotated Forbush–decrease Topological Event Recognition (AFTER): a complexity-aware catalogue of neutron-monitor Forbush decreases (journal and DOI to be added when available).
You can also cite this repository directly, for example as: _Sierra-Porta, D. (2026). AFTER: Annotated Forbush–decrease Topological Event Recognition. GitHub repository. https://github.com/sierraporta/AFTER-Annotated-Forbush-decrease-Topological-Event-Recognition/tree/main _
License This project is licensed under the MIT License.
For questions, comments or suggestions, please contact: David Sierra-Porta, Universidad Tecnológica de Bolívar (UTB). Email: dporta@utb.edu.co.
Contributions and constructive feedback are very welcome — feel free to open an issue or submit a pull request.