This alert expired on 2 August 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 17 March 2026 — 9 others scored the same. The last comparable one was on 21 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 2 at 4:44PM EDT until August 2 at 6:45PM EDT by NWS Cleveland OH
An estimated 117,846 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 14, 2026 · score 43 · 4.7 km
- July 18, 2026 · score 43 · 9.7 km
- July 21, 2026 · score 43 · 11.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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) | 43 / 100 |
| Our confidence | 85% |
| Coordinates | 42.1504, -80.4879 |
| Nearest City | Erie (33 km) |
| Population Exposed | 117.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-02T20:44:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.552e71f8aca1d58b147e7f1e5599aa99 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Geneva-on-the-Lake to Conneaut OH; Conneaut OH to Ripley NY; Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border; Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Canadian border; Willowick to Geneva-on-the Lake OH; Geneva-on-the-Lake to Conneaut OH; Willowick to Geneva-on-the-Lake OH beyond 5NM off shoreline to US-Canadian border; Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border |
| Headline | Special Marine Warning issued August 2 at 4:44PM EDT until August 2 at 6:45PM EDT by NWS Cleveland OH |
| Expires | 2026-08-02T18:45:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.552e71f8aca1d58b147e7f1e5599aa99a4eb62e4.001.1","noaa_urn:oid:2.49.0.1.840.0.8809587d20c40a3ee2501445bb3bd46ca0756424.001.1"] |
| Iem TypeSummary | W |
| Iem City | 2 NNW Ashtabula |
| Iem County | LEZ148 |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Observed waterspout with a picture shared on social media off of Walnut Beach Park. |
| MergedSources | [{"id":"iem_W_41.900_-80.810_1785702000000","source":"iem","severity":"low","severityValue":25,"timestamp":1785702000000,"latitude":41.9,"longitude":-80.81}] |
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 Erie?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.