This alert expired on 3 September 2026 at 03:30 UTC. It is kept here as a record.
No stronger detection stands among the 50 recorded within 20 km of this point since 16 March 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued September 2 at 10:00PM EDT until September 2 at 11:30PM EDT by NWS Buffalo NY
An estimated 99,475 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 14, 2026 · score 39 · 5.0 km
- May 9, 2026 · score 39 · 17.7 km
- July 18, 2026 · score 43 · 20.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 45 out of 100, at 85 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 45 / 100 |
| Our confidence | 85% |
| Coordinates | 42.2239, -80.2289 |
| Nearest City | Erie (15 km) |
| Population Exposed | 99.5K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-03T02:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.bef54477ec683e737758c0c449e6bfdede1d1cd6.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Ripley to Dunkirk NY; Dunkirk to Buffalo NY; Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border; 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 September 2 at 10:00PM EDT until September 2 at 11:30PM EDT by NWS Buffalo NY |
| Expires | 2026-09-02T23:30:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bef54477ec683e737758c0c449e6bfdede1d1cd6.001.1","noaa_urn:oid:2.49.0.1.840.0.d4ef44ec7cc5d3f69f54ec56694584507b153465.001.1","noaa_urn:oid:2.49.0.1.840.0.24153177e2ffa34b1f4e3ed57327b41d914ff143.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | 3 E Meadville |
| Spc County | Crawford |
| Spc State | PA |
| Spc Comments | Report from mPING: Half Dollar (1.25 in.). (CLE) |
| MergedSources | [{"id":"spc_wind_41.66_-80.31_7","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040965,"latitude":41.66,"longitude":-80.31},{"id":"spc_wind_41.64_-80.32_8","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040965,"latitude":41.64,"longitude":-80.32},{"id":"spc_wind_41.59_-80.11_93","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040966,"latitude":41.59,"longitude":-80.11},{"id":"spc_wind_41.63_-80.13_94","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040966,"latitude":41.63,"longitude":-80.13},{"id":"spc_wind_41.60_-80.21_124","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040966,"latitude":41.6,"longitude":-80.21},{"id":"spc_wind_41.56_-80.11_141","source":"spc","severity":"medium","severityValue":45,"timestamp":1788401040966,"latitude":41.56,"longitude":-80.11},{"id":"spc_hail_41.64_-80.09_194","source":"spc","severity":"high","severityValue":65,"timestamp":1788401040966,"latitude":41.64,"longitude":-80.09}] |
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 Erie?
Calamity.live data shows a weather event with CalamityScore 45/100, near Erie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.