This alert expired on 2 September 2026 at 13:15 UTC. It is kept here as a record.
No stronger detection stands among the 50 recorded within 20 km of this point since 16 April 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Tornado Warning issued September 2 at 8:57AM EDT until September 2 at 9:15AM EDT by NWS State College PA
Nearby, since 16 April 2026
- July 7, 2026 · score 22 · 17.1 km
- September 1, 2026 · score 16 · 23.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 72 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 72% |
| Coordinates | 41.5744, -78.6133 |
| Nearest City | Jamestown (78 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T12:57:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c7b0c71fec94a627786a1a0e29ead51ad994cd48.002.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Elk, PA |
| Headline | Tornado Warning issued September 2 at 8:57AM EDT until September 2 at 9:15AM EDT by NWS State College PA |
| Expires | 2026-09-02T09:15:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 WNW Warren |
| Spc County | Warren |
| Spc State | PA |
| Spc Comments | Multiple trees down around the 1900 block of Follett Run Road. (CTP) |
| Iem TypeSummary | D |
| Iem City | 3 WNW Warren |
| Iem County | Warren |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Corrects previous tstm wnd dmg report from 3 WNW Warren. Multiple trees down around the 1900 block of Follett Run Road. |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 in this area?
Calamity.live data shows a weather event with CalamityScore 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.