Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert is in force until 9 September 2026, 21:00 UTC.
It is the 25th strongest of the 115 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 4 September 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 9 at 3:28PM EDT until September 9 at 5:00PM EDT by NWS Cleveland OH
An estimated 1,372,931 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 25, 2026 · score 46 · 3.4 km
- September 3, 2026 · score 58 · 3.5 km
- July 6, 2026 · score 52 · 5.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 81% |
| Coordinates | 41.5038, -82.0808 |
| Nearest City | Avon Lake (4 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T19:28:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a5187b853d01228a0e1db798861b9994eea026a0.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | The Islands to Vermilion OH; Vermilion to Avon Point OH; Avon Point to Willowick OH; Vermilion to Avon Point OH beyond 5 nm off shoreline to US-Canadian border; Avon Point to Willowick OH beyond 5 nm off shoreline to US-Canadian border |
| Headline | Special Marine Warning issued September 9 at 3:28PM EDT until September 9 at 5:00PM EDT by NWS Cleveland OH |
| Expires | 2026-09-09T17:00:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Avon Lake?