Nebius us-central1 cooling incident (19 August 2026): BMS and chilled-water loop lost together
58.5 °C peak air inlet; about 6 hours to cooling stabilizationobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | 19 August incident. BMS and chilled-water loop failed together; the halls overheated within roughly two hours. Cooling recovery and platform recovery are separate events. |
| As of | 2026-08-19 |
| Source | Nebius blog, 'Incident post-mortem analysis: us-central1 service disruption on August 19' (27 August 2026) |
| Review | checking…review by 2027-08-27 · slow cadence |
| Recorded changes | last 2026-10-25 |
| Claim id | p5-nebius-us-central1-cooling-incident-2026 |
Where the guide uses it
Not quoted in a chapter yet; it is kept in the curated register.
← Full numbers register — every date-stamped figure in the guide, with revision history.