UPDATE:

We are pleased to inform you that access to the LUMI supercomputer has been restored and the extremes-dt suite is now operational again.

The service is currently processing the backlog of missing dates. Outputs for 2026-07-07 and 2026-07-08 will be available shortly, while the 2026-07-09 run has not yet been completed but is expected to be available soon. We expect the 2026-07-10 processing to proceed as scheduled.

Thank you for your patience and understanding throughout this service disruption. We apologise for any inconvenience caused.

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Posted on 8th July 2026:

Please be advised that, as of the evening of 6 July, access to LUMI supercomputer has been temporarily disabled due to urgent security vulnerability mitigation activities.

As a result, Extremes DT data are currently unavailable and no new data will be accessible until the LUMI system is back online.

Impact

During this downtime:

• the extremes-dt suite will not be able to run
• no Extremes DT data beyond 6 July 2026 will be available
• once access to LUMI is restored, daily runs will resume
• any backfilling of missing dates will be provided where feasible

For further information, please refer to the LUMI Service Status page.

We apologise for any inconvenience this may cause and appreciate your understanding.