# Grafana Cloud: Possible incorrect evaluation of Synthetic Monitoring alert rules in cluster prod-us-east-3

- Impact (vendor’s label): none
- Status: resolved
- Started: 2026-10-21 07:10 UTC · Resolved: 2026-10-21 07:10 UTC · Duration: 0 min
- Updates: 1 · Affected components: AWS US East - prod-us-east-3: Public Probes, Synthetic Monitoring - AWS US East - prod-us-east-3: Public Probes, AWS US East - prod-us-east-3: API, Synthetic Monitoring - AWS US East - prod-us-east-3: API
- [Vendor status page: https://stspg.io/3xcm1c985jpl](https://stspg.io/3xcm1c985jpl)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)

## Timeline of updates

- **resolved** 2026-10-21 07:10 UTC: As of 21 Oct, 06:20 am UTC, we became aware of an issue with possible incorrect evaluation of Synthetic Monitoring alert rules in cluster prod-us-east-3. The issue has been ended 07:00 am UTC


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Canonical: https://rewindex.com/company/grafana-cloud/incidents/lvwsbpw8pr3n · Markdown: https://rewindex.com/company/grafana-cloud/incidents/lvwsbpw8pr3n.md · JSON: https://rewindex.com/api/v1/companies/grafana-cloud/incidents/lvwsbpw8pr3n · Generated 2026-10-22T00:32:54.267Z