Right now
The most recent data we hold from NOAA arrived 39 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 10 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 20th strongest of the 95 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 7 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 9 at 5:41PM EDT until May 9 at 11:00PM EDT by NWS Cleveland OH
An estimated 93,673 people live within 50 km of this point.
Nearby, since 17 March 2026
- September 3, 2026 · score 51 · 0.0 km
- September 2, 2026 · score 51 · 0.0 km
- September 1, 2026 · score 32 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 79% |
| Coordinates | 43.0000, -75.5000 |
| Nearest City | Rome (24 km) |
| Population Exposed | 93.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T21:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.32da295309b0de57430190855d3bc5b2570b7ec3.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Vermilion to Avon Point OH; Avon Point to Willowick OH; Willowick to Geneva-on-the Lake OH; Geneva-on-the-Lake to Conneaut OH; Conneaut OH to Ripley NY; 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; Willowick to Geneva-on-the-Lake OH beyond 5NM off shoreline to US-Canadian border; Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border; Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Canadian border |
| Headline | Severe Thunderstorm Watch issued May 9 at 5:41PM EDT until May 9 at 11:00PM EDT by NWS Cleveland OH |
| Expires | 2026-05-09T23:00:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | false |
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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