# \#KPP

**URL:** https://cms-helpdesk.ncas.ac.uk/tag/kpp/23.md

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## [Error with coupling in upgrading from UM vn11.4 to 12.1](https://cms-helpdesk.ncas.ac.uk/t/error-with-coupling-in-upgrading-from-um-vn11-4-to-12-1/1342)

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**Author:** [@daniel.shipley](https://cms-helpdesk.ncas.ac.uk/u/daniel.shipley)\
**Replies:** 15\
**Last updated:** [4 March 2024 16:27 UTC](https://cms-helpdesk.ncas.ac.uk/t/error-with-coupling-in-upgrading-from-um-vn11-4-to-12-1/1342 "2024-03-04T16:27:13Z")

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Hi CMS, I have upgraded suite from UM vn11.4 (u-cf309) to UM vn12.1 (u-da133). The suite is a regional model with GA7 physics, coupled to the KPP mixed-layer ocean model. The suite runs OK (I have managed to run for 3 m…

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## [KPP-coupled run failure](https://cms-helpdesk.ncas.ac.uk/t/kpp-coupled-run-failure/1197)

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**Author:** [@daniel.shipley](https://cms-helpdesk.ncas.ac.uk/u/daniel.shipley)\
**Replies:** 6\
**Last updated:** [19 October 2023 11:54 UTC](https://cms-helpdesk.ncas.ac.uk/t/kpp-coupled-run-failure/1197 "2023-10-19T11:54:25Z")

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Hi, I am trying to get suite u-da133 running on ARCHER2. This is a ~12km LAM running with GA7 parametrized convection and coupled to the KPP mixed-layer ocean model (a copy of suite u-cf309). The suite is currently faili…

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## [Problems with fcm:kpp on PUMA2](https://cms-helpdesk.ncas.ac.uk/t/problems-with-fcm-kpp-on-puma2/1170)

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**Author:** [@daniel.shipley](https://cms-helpdesk.ncas.ac.uk/u/daniel.shipley)\
**Replies:** 6\
**Last updated:** [11 October 2023 09:02 UTC](https://cms-helpdesk.ncas.ac.uk/t/problems-with-fcm-kpp-on-puma2/1170 "2023-10-11T09:02:31Z")

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Hi, @cdaleu and I are working on upgrading u-cf309 from UM vn11.4 → 12.1, post-ARCHER2 OS upgrade, and from PUMA to PUMA2. The suite u-da133 runs OK on PUMA, but Chimene gets the following error during fcm\_make\_kpp in h…

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## [Help optimising the TerraMaris 2km simulations](https://cms-helpdesk.ncas.ac.uk/t/help-optimising-the-terramaris-2km-simulations/180)

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**Author:** [@Emma](https://cms-helpdesk.ncas.ac.uk/u/Emma)\
**Replies:** 8\
**Last updated:** [8 September 2021 12:58 UTC](https://cms-helpdesk.ncas.ac.uk/t/help-optimising-the-terramaris-2km-simulations/180 "2021-09-08T12:58:52Z")

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Hi CMS, I’ve got my 2km TerraMaris simulations set up and pretty much ready to run when Archer2 is fully available (suite u-cc339). However, I’m not sure whether my set up is optimal, particularly regarding I/O and the …