Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 16th strongest of the 92 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 19 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 10 at 7:50PM EDT until June 10 at 9:15PM EDT by NWS Cleveland OH
An estimated 1,172,358 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 6, 2026 · score 52 · 1.0 km
- June 11, 2026 · score 46 · 3.8 km
- March 16, 2026 · score 52 · 3.8 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 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. 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 | 79% |
| Coordinates | 41.5227, -82.1900 |
| Nearest City | Lorain (8 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T23:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f092f81ae32ecdcbda7584fba17f838f8bfe96c9.001.1 |
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; The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border; 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 June 10 at 7:50PM EDT until June 10 at 9:15PM EDT by NWS Cleveland OH |
| Expires | 2026-06-10T21:15:00-04:00 |
| 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.
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