# Ensemble run for ACCESS-CM2: warm restart files

**URL:** <https://forum.access-hive.org.au/t/ensemble-run-for-access-cm2-warm-restart-files/6011>\
**Category:** Coupled Model\
**Tags:** access-cm2\
**Created:** [3 March 2026 23:57 UTC](https://forum.access-hive.org.au/t/ensemble-run-for-access-cm2-warm-restart-files/6011 "2026-03-03T23:57:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jatreutlein](https://avatars.discourse-cdn.com/v4/letter/j/c89c15/32.png) [@Jatreutlein](https://forum.access-hive.org.au/u/Jatreutlein)\
**Post date:** [3 March 2026 23:57 UTC](https://forum.access-hive.org.au/t/ensemble-run-for-access-cm2-warm-restart-files/6011/1 "2026-03-03T23:57:19Z")

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Hi all,

I’m interested in running an ensemble for ACCESS-CM2, which means modifying the initial conditions. Ideally I can use a python script to modify the initial air temperature values at all grid cells. To go about this I’m first locating the initial conditions used by ACCESS-CM2. These are the files in `/g/data/access/access-cm2/cmip6_restarts`. The code was provided in [this post](https://forum.access-hive.org.au/t/setting-up-ensemble-runs-in-access-cm2/4596) by @huazhen to perturb the warm restart files using the `perturbIC.py` file.

The only restart files available in the directory are from 950, and I want to run the model between 2016-2026 so it would take many years of simulation to get dump files. My question is are there much more recent restart files I can copy and use?

Cheers,

Joel