---
title: "3rd ESiWACE3 Hackathon: Porting Earth System Models to the First EuroHPC Exascale System (JUPITER)"
date: 2026-04-21T00:00:00+00:00
end_date: 2026-04-23T00:00:00+00:00
location: "Jülich, Nordrhein-Westfalen, DE"
format: onsite
type: hackathon
level: open
prize: €1,500.00
tags: "hpc, climatetech, open-source"
url: "https://www.fz-juelich.de/de/jsc/aktuelles/termine/2025/3rd-esiwace3-hackathon-porting-earth-system-models-to-the-first-eurohpc-exascale-system-jupiter"
canonical: "https://hackathonhub.eu/events/3rd-esiwace3-hackathon-porting-earth-system-models-to-the-first-eurohpc-exascale-system-jupiter-julich-2026"
---

# 3rd ESiWACE3 Hackathon: Porting Earth System Models to the First EuroHPC Exascale System (JUPITER)

**Date:** 2026-04-21 — 2026-04-23  
**Location:** Jülich, Nordrhein-Westfalen, DE  
**Format:** onsite  
**Type:** hackathon  
**Level:** open  
**Prize:** €1,500.00  **Tags:** hpc, climatetech, open-source

This hackathon invites researchers and developers to adapt Earth System Models for JUPITER, the first EuroHPC exascale supercomputer. Participants will gain hands-on experience in porting and optimizing climate and weather models, supported by HPC experts. It's an excellent opportunity to collaborate, troubleshoot code, and prepare models for the next generation of high-performance computing.

[Register or learn more](https://www.fz-juelich.de/de/jsc/aktuelles/termine/2025/3rd-esiwace3-hackathon-porting-earth-system-models-to-the-first-eurohpc-exascale-system-jupiter)

[View on Hackathon Hub](https://hackathonhub.eu/events/3rd-esiwace3-hackathon-porting-earth-system-models-to-the-first-eurohpc-exascale-system-jupiter-julich-2026)