Severe weather near Broadview Heights
This alert expired on 11 August 2026 at 05:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 68 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 11 at 1:35AM EDT until August 11 at 1:45AM EDT by NWS Cleveland OH
An estimated 1,949,376 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 25, 2026 · score 52 · 4.0 km
- June 14, 2026 · score 52 · 13.6 km
- June 14, 2026 · score 52 · 14.6 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 | 41.2800, -81.6522 |
| Nearest City | Broadview Heights (5 km) |
| Population Exposed | 1.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T05:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f83743365ef1494a338e35156ef25970996704c6.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cuyahoga, OH; Lorain, OH; Medina, OH; Portage, OH; Summit, OH |
| Headline | Severe Thunderstorm Warning issued August 11 at 1:35AM EDT until August 11 at 1:45AM EDT by NWS Cleveland OH |
| Expires | 2026-08-11T01:45:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 NNW Savannah |
| Iem County | Ashland |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Law Enforcement reported tree down blocking the roadway on State Route 60, North of Savannah. |
| MergedSources | [{"id":"iem_D_40.970_-82.360_1786422420000","source":"iem","severity":"low","severityValue":25,"timestamp":1786422420000,"latitude":40.97,"longitude":-82.36},{"id":"iem_D_40.880_-82.210_1786422420000","source":"iem","severity":"low","severityValue":25,"timestamp":1786422420000,"latitude":40.88,"longitude":-82.21},{"id":"iem_D_40.990_-82.370_1786422420000","source":"iem","severity":"low","severityValue":25,"timestamp":1786422420000,"latitude":40.99,"longitude":-82.37}] |
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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Broadview Heights (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.