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

- Provider: [Grafana Cloud](https://outages.cc/grafana.md)
- Type: Incident
- State: Resolved
- Worst impact: Operational
- Started: 2026-10-21 07:10 UTC
- Resolved: 2026-10-21 07:10 UTC (lasted 1 min)
- Components: AWS US East - prod-us-east-3: API, AWS US East - prod-us-east-3: Public Probes, Synthetic Monitoring - AWS US East - prod-us-east-3: API, Synthetic Monitoring - AWS US East - prod-us-east-3: Public Probes
- Official update: https://stspg.io/3xcm1c985jpl

## Updates from Grafana Cloud

### 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