# Snowflake: Critical incident: INC20000294

**Summary:** Snowflake reported a critical outage in GCP - Europe West 2 (London) starting 2026-10-20 06:34 UTC: customers may be unable to access multiple services, including Snowflake Postgres, with connection, data management and loading failures. Investigation was ongoing; it was still open when archived, with 0 min elapsed at the last update. _(machine-written, sol)_
## Part of an outage event

- [Google Cloud europe-west2 outage, Oct 20, 2026: 19 vendors, 19 incidents](https://rewindex.com/events/2026-10-20-google-cloud-europe-west2)
- This incident started in the same window without naming Google Cloud (timing only, not evidence of a link). (timing only, posted +26 min vs Google Cloud’s own post)

```mermaid
flowchart LR
  root["Google Cloud europe-west2<br/>posted 06:08 UTC"]:::root
  before["Posted before Google Cloud did<br/>1 vendor, 1 blamed Google Cloud<br/>JFrog"]:::blames
  root --> before
  h1["Within an hour<br/>4 vendors, 4 blamed Google Cloud<br/>Aiven, Northflank, Elastic Cloud, dbt Labs"]:::blames
  root --> h1
  h4["1 to 4 hours later<br/>4 vendors, 4 blamed Google Cloud<br/>MongoDB Atlas, Sourcegraph, CockroachDB, ClickHouse Cloud"]:::blames
  root --> h4
  later["Later<br/>2 vendors, 1 blamed Google Cloud<br/>Grafana Cloud, Confluent"]:::blames
  root --> later
  me["Snowflake (this incident)<br/>posted +26 min"]:::me
  root -.->|"same window"| me
```

_Detected automatically from incidents that started together and named the same provider; a link means one incident named another vendor, not a confirmed cause._

- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-20 06:34 UTC · Detected: 2026-10-20 06:43 UTC
- [Source: https://stspg.io/vqh0y5vrzprg](https://stspg.io/vqh0y5vrzprg)
- [Company: Snowflake](https://rewindex.com/company/snowflake.md)
- Versions: before (none: first archived) → after incident\_version:164/3401d2qn22bp@2f8911368a45
- Change 1 of 9 for this incident

Incident page (full timeline): [INC20000294](https://rewindex.com/company/snowflake/incidents/3401d2qn22bp.md)
## What changed

**1. Added: Title**

```diff
+ INC20000294
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ investigating
```

**4. Added: Start time**

```diff
+ 2026-10-20 06:34 UTC
```

**5. Added: Affected components**

```diff
+ Applications, Databases, Tables, and Views, Data Loading and Unloading, GCP - Europe West 2 (London) - Applications, GCP - Europe West 2 (London) - Databases, Tables, and Views, GCP - Europe West 2 (London) - Data Loading and Unloading
```

**6. Added: Update** (investigating) · 2026-10-20 06:34 UTC

```diff
+ Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple Snowflake services and features, including Snowflake Postgres. Affected users may experience errors or failures when connecting to Snowflake Postgres instances, managing data, loading data, or using applications. Incident start time: 06:01 UTC October 20, 2026
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-20 06:34 UTC | Critical incident: INC20000294 (this change) | outage |
| 2026-10-20 07:23 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r8bfe661b36051c.md) | Normal progress |
| 2026-10-20 07:33 UTC | [Incident silently edited: INC20000294](https://rewindex.com/change/rcdafebdfc6acc4.md) | Wording only |
| 2026-10-20 08:03 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r1406ba61932e61.md) | Normal progress |
| 2026-10-20 09:13 UTC | [Incident silently edited: INC20000294](https://rewindex.com/change/rea278043bb2ab4.md) | Wording only |
| 2026-10-20 09:53 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r699f1437a2ff3c.md) | Normal progress |
| 2026-10-20 12:43 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r31aa659540273a.md) |  |
| 2026-10-20 14:43 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r7ba644e4a820ce.md) |  |
| 2026-10-20 15:43 UTC | [Incident updated: INC20000294](https://rewindex.com/change/r38b340f359d055.md) |  |

Next: [change](https://rewindex.com/change/r8bfe661b36051c.md) · All Snowflake changes: [timeline](https://rewindex.com/company/snowflake/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/i8341eaba453c49 · Markdown: https://rewindex.com/change/i8341eaba453c49.md · JSON: https://rewindex.com/api/v1/changes/i8341eaba453c49 · Generated 2026-10-21T00:24:19.921Z