This alert expired on 10 August 2026 at 14:15 UTC. It is kept here as a record.
No stronger detection stands among the 49 recorded within 20 km of this point since 17 March 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 9:30AM EDT until August 10 at 10:15AM EDT by NWS Cleveland OH
An estimated 1,208,692 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 4, 2026 · score 52 · 12.2 km
- June 14, 2026 · score 52 · 16.7 km
- June 25, 2026 · score 52 · 16.8 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 91% |
| Coordinates | 41.2685, -81.1826 |
| Nearest City | Streetsboro (14 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T13:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c5674009c9a54e3bd735b63f7da5b410 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Stark, OH; Summit, OH; Medina, OH; Portage, OH; Summit, OH; Ashtabula, OH; Trumbull, OH |
| Headline | Severe Thunderstorm Warning issued August 10 at 9:30AM EDT until August 10 at 10:15AM EDT by NWS Cleveland OH |
| Expires | 2026-08-10T10:15:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c5674009c9a54e3bd735b63f7da5b4109b0fd650.001.1","noaa_urn:oid:2.49.0.1.840.0.8f562a1f2b866e9075f82aea73fa4deb6fa31f4a.001.1","noaa_urn:oid:2.49.0.1.840.0.85bb06478df9ca4a9be9c2e3a400dccb7000e638.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.5 |
| Iem Unit | Inch |
| Iem City | Copley |
| Iem County | Summit |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Estimated 60 mph wind gust. |
| Google News RssFeed | weather |
| Google News SourceName | WKYC |
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 10 February 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 Streetsboro?
Calamity.live data shows a weather event with CalamityScore 52/100, near Streetsboro (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.