Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, 4 km from here.
This alert expired on 9 September 2026 at 20:30 UTC. It is kept here as a record.
It is the 55th strongest of the 89 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: Severe Thunderstorm Warning issued September 9 at 3:50PM EDT until September 9 at 4:30PM EDT by NWS Cleveland OH
An estimated 809,017 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 11, 2026 · score 48 · 0.6 km
- September 4, 2026 · score 46 · 3.6 km
- September 3, 2026 · score 46 · 3.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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) | 41 / 100 |
| Our confidence | 81% |
| Coordinates | 41.2129, -82.1629 |
| Nearest City | Elyria (18 km) |
| Population Exposed | 809.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T19:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.05c50a4c026a807c26a137df188c6632f28726ad.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Erie, OH; Huron, OH; Lorain, OH |
| Headline | Severe Thunderstorm Warning issued September 9 at 3:50PM EDT until September 9 at 4:30PM EDT by NWS Cleveland OH |
| Expires | 2026-09-09T16:30:00-04:00 |
| 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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