This alert is in force until 4 September 2026, 01:00 UTC.
It is the 30th strongest of the 84 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: Flash Flood Warning issued September 3 at 6:02PM EDT until September 3 at 9:00PM EDT by NWS Pittsburgh PA
An estimated 249,035 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 3, 2026 · score 49 · 6.0 km
- June 14, 2026 · score 43 · 6.3 km
- July 5, 2026 · score 72 · 12.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 91 % 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) | 37 / 100 |
| Our confidence | 91% |
| Coordinates | 41.0201, -80.7820 |
| Nearest City | Austintown (9 km) |
| Population Exposed | 249.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T22:02:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4804be1fe2f3708290ae00f772a1375007d631bd.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Mercer, PA; Portage, OH; Summit, OH; Mahoning, OH; Portage, OH; Stark, OH and 2 more areas |
| Headline | Flash Flood Warning issued September 3 at 6:02PM EDT until September 3 at 9:00PM EDT by NWS Pittsburgh PA |
| Expires | 2026-09-03T21:00:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4804be1fe2f3708290ae00f772a1375007d631bd.001.1","noaa_urn:oid:2.49.0.1.840.0.bf98460772c6bd0a08a41547200512c74f6d1fd2.001.1","noaa_urn:oid:2.49.0.1.840.0.2c34c15ace5cc207a2a8c3e73f00eb6d225b5ad6.001.1","noaa_urn:oid:2.49.0.1.840.0.2825ae3c02ec289bfd7d2667b00eef7d16bdf4a9.001.1","noaa_urn:oid:2.49.0.1.840.0.3d01f3adccc6fe31dd3751aa0c5d605c4d6b6f9d.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 1 WNW Beaver |
| Spc County | Beaver |
| Spc State | PA |
| Spc Comments | Numerous trees and wires down throughout the county. (PBZ) |
| Iem TypeSummary | D |
| Iem City | 1 NNW Wampum |
| Iem County | Lawrence |
| Iem State | PA |
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 Austintown?
Calamity.live data shows a weather event with CalamityScore 37/100, near Austintown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.