Changes / Snowflake / GCP - US Central 1 (Iowa): INC0155608
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 from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: GCP - US Central 1 (Iowa): INC0155608
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After: major
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After: postmortem
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After: 2026-04-16 14:08 UTC
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After: 2026-04-16 15:08 UTC
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After: Applications, GCP - US Central 1 (Iowa) - Applications
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After: <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.
Before: not present
After: <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.
Before: not present
After: 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)
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: GCP - US Central 1 (Iowa): INC0155608 (this change) 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. | Major incident |
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