# Snowflake: Major incident: GCP - US Central 1 (Iowa): INC0155608

**Summary:** A major GCP - US Central 1 (Iowa) outage could prevent customers from accessing Snowflake services through Snowsight. Snowflake reported impact from 12:25 UTC April 16, 2026 to 13:45 UTC; the archived incident started at 2026-04-16 14:08 UTC and lasted 1 h 0 min. Snowflake implemented a fix and confirmed restoration. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-04-16 14:08 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/vx546sd87qjx](https://stspg.io/vx546sd87qjx)
- [Company: Snowflake](https://rewindex.com/company/snowflake.md)
- Versions: before (none: first archived) → after incident\_version:164/0lj68wp0lphb@ad9311b0ac2c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ GCP - US Central 1 (Iowa): INC0155608
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ postmortem
```

**4. Added: Start time**

```diff
+ 2026-04-16 14:08 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-16 15:08 UTC
```

**6. Added: Affected components**

```diff
+ Applications, GCP - US Central 1 (Iowa) - Applications
```

**7. Added: Update** (monitoring) · 2026-04-16 14:08 UTC

```diff
+ <b>Current status:</b> We've implemented the fix for this issue, and we'll continue to monitor the environment until we're confident all services are functioning properly. <b>Customer experience:</b> Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight. <b>Incident start time:</b> 12:25 UTC April 16, 2026 <b>Incident end time:</b> 13:45 UTC April 16, 2026 <b>Preliminary root cause:</b> Some application instances entered a degraded state and were unable to handle downstream connections. Snowflake mitigated the issue by restarting the affected instances.
```

**8. Added: Update** (resolved) · 2026-04-16 15:08 UTC

```diff
+ <b>Current status:</b> We've implemented the fix for this issue and monitored the environment to confirm that service was restored. If you experience additional issues or have questions, please open a support case via Snowflake Community or the Support page in Snowsight. <b>Customer experience:</b> Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight. <b>Incident start time:</b> 12:25 UTC April 16, 2026 <b>Incident end time:</b> 13:45 UTC April 16, 2026 <b>Preliminary root cause:</b> Some application instances entered a degraded state and were unable to handle downstream connections. Snowflake mitigated the issue by restarting the affected instances. A root cause analysis (RCA) document will be published within five business days.
```

**9. Added: Update** (postmortem) · 2026-04-23 22:12 UTC

```diff
+ Snowflake Engineering has completed the postmortem of this service incident. A detailed Root Cause Analysis \(RCA\) is available on the Snowflake Community site: [https://community.snowflake.com/s/article/INC0155608](https://community.snowflake.com/s/article/INC0155608)
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-16 14:08 UTC | Major incident: GCP - US Central 1 (Iowa): INC0155608 (this change) | outage |

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._


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Canonical: https://rewindex.com/change/i9ca02ffeaebfb2 · Markdown: https://rewindex.com/change/i9ca02ffeaebfb2.md · JSON: https://rewindex.com/api/v1/changes/i9ca02ffeaebfb2 · Generated 2026-10-18T01:54:29.235Z