This alert expired on 11 August 2026 at 06:02 UTC. It is kept here as a record.
It is the 27th strongest of the 35 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 11 at 1:52AM EDT until August 11 at 2:00AM EDT by NWS Cleveland OH
An estimated 474,872 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 18, 2026 · score 52 · 5.4 km
- August 10, 2026 · score 43 · 5.5 km
- May 19, 2026 · score 52 · 12.9 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 92 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 92% |
| Coordinates | 41.6221, -82.2881 |
| Nearest City | Lorain (21 km) |
| Population Exposed | 474.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T05:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.c338fe40cfbda87d7f00ba46064a1f8d |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Reno Beach to The Islands OH; The Islands to Vermilion OH; Reno Beach to The Islands OH beyond 5NM off shoreline to US-Canadian border; Vermilion to Avon Point OH; Avon Point to Willowick OH; Willowick to Geneva-on-the Lake OH; 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 |
| Headline | Special Marine Warning issued August 11 at 1:52AM EDT until August 11 at 2:00AM EDT by NWS Cleveland OH |
| Expires | 2026-08-11T02:02:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c338fe40cfbda87d7f00ba46064a1f8dbfb7e2b4.001.1","noaa_urn:oid:2.49.0.1.840.0.95efa9fe8f7d73f20c0b47d49aa6f93d02a930b4.001.1"] |
| Iem TypeSummary | D |
| Iem City | 3 W North Fairfield |
| Iem County | Huron |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Tree and power lines down. |
| MergedSources | [{"id":"iem_G_41.260_-81.880_1786424700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786424700000,"latitude":41.26,"longitude":-81.88},{"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_40.990_-82.370_1786422420000","source":"iem","severity":"low","severityValue":25,"timestamp":1786422420000,"latitude":40.99,"longitude":-82.37},{"id":"iem_D_41.100_-82.660_1786420860000","source":"iem","severity":"low","severityValue":25,"timestamp":1786420860000,"latitude":41.1,"longitude":-82.66}] |
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.
Want to know when something happens near Lorain?
Calamity.live data shows a weather event with CalamityScore 43/100, near Lorain (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.