This alert expired on 3 September 2026 at 15:32 UTC. It is kept here as a record.
It is the 37th strongest of the 108 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flood Warning issued September 3 at 11:22AM EDT until September 3 at 11:30AM EDT by NWS Cleveland OH
An estimated 99,475 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 26, 2026 · score 43 · 18.2 km
- September 3, 2026 · score 49 · 20.7 km
- June 14, 2026 · score 39 · 22.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 87 % 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 | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 87% |
| Coordinates | 42.0800, -80.0175 |
| Nearest City | Erie (8 km) |
| Population Exposed | 99.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T15:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.990ccc020a041af885ce66306fbfd45f504341a5.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Erie, PA |
| Headline | Flood Warning issued September 3 at 11:22AM EDT until September 3 at 11:30AM EDT by NWS Cleveland OH |
| Expires | 2026-09-03T11:32:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 3 W New Lebanon |
| Iem County | Mercer |
| Iem State | PA |
| Iem Wfo | PBZ |
| Iem Remark | Tree pulled wires down in a back yard. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_41.450_-80.050_1788429900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788429900000,"latitude":41.45,"longitude":-80.05},{"id":"iem_D_41.720_-79.760_1788430500000","source":"iem","severity":"low","severityValue":25,"timestamp":1788430500000,"latitude":41.72,"longitude":-79.76},{"id":"iem_D_41.620_-80.290_1788428640000","source":"iem","severity":"low","severityValue":25,"timestamp":1788428640000,"latitude":41.62,"longitude":-80.29},{"id":"iem_D_41.430_-80.070_1788429960000","source":"iem","severity":"low","severityValue":25,"timestamp":1788429960000,"latitude":41.43,"longitude":-80.07},{"id":"iem_D_41.770_-80.110_1788428940000","source":"iem","severity":"low","severityValue":25,"timestamp":1788428940000,"latitude":41.77,"longitude":-80.11},{"id":"iem_D_41.420_-80.120_1788429900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788429900000,"latitude":41.42,"longitude":-80.12}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 32/100, near Erie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.