Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert is in force until 10 September 2026, 03:00 UTC.
It is the 66th strongest of the 97 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued September 9 at 2:52PM EDT until September 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 9, 2026 · score 32 · 0.0 km
- September 3, 2026 · score 51 · 0.0 km
- September 2, 2026 · score 51 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 80 % 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) | 32 / 100 |
| Our confidence | 80% |
| Coordinates | 43.0000, -75.5000 |
| Nearest City | Rome (24 km) |
| Population Exposed | 93.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T18:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e3c73c262f5c3b0cdaf49b07a672f4053d6cc9c5.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | The Islands to Vermilion OH; 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; 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; 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; Ripley to Dunkirk NY; Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border; Allegany, NY; Cattaraugus, NY; Chautauqua, NY |
| Headline | Severe Thunderstorm Watch issued September 9 at 2:52PM EDT until September 9 at 11:00PM EDT by NWS Cleveland OH |
| Expires | 2026-09-09T23:00:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e3c73c262f5c3b0cdaf49b07a672f4053d6cc9c5.002.1","noaa_urn:oid:2.49.0.1.840.0.8c3383eb7010261a8079236b46c503d28cce047d.002.1","noaa_urn:oid:2.49.0.1.840.0.8c3383eb7010261a8079236b46c503d28cce047d.001.1"] |
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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