This alert expired on 10 August 2026 at 13:15 UTC. It is kept here as a record.
No stronger detection stands among the 92 recorded within 20 km of this point since 11 March 2026 — 20 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 8:35AM EDT until August 10 at 9:15AM EDT by NWS Cleveland OH
An estimated 1,860,973 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 25, 2026 · score 52 · 6.2 km
- April 1, 2026 · score 52 · 6.7 km
- May 9, 2026 · score 52 · 7.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 82 % 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 | 82% |
| Coordinates | 41.4895, -81.5709 |
| Nearest City | Shaker Heights (3 km) |
| Population Exposed | 1.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T12:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.dfd3c3413fa6fcb2c12d182091f68abf |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cuyahoga, OH; Geauga, OH; Lake, OH; Summit, OH; Cuyahoga, OH; Lorain, OH |
| Headline | Severe Thunderstorm Warning issued August 10 at 8:35AM EDT until August 10 at 9:15AM EDT by NWS Cleveland OH |
| Expires | 2026-08-10T09:15:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dfd3c3413fa6fcb2c12d182091f68abf2e4bb4da.001.1","noaa_urn:oid:2.49.0.1.840.0.3b0d0d57246ca6a8009e9cbc3bbeafb2f4e45215.002.1"] |
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 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 Shaker Heights (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.