Right now
The most recent data we hold from NOAA arrived 42 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 13 May 2026 at 21:45 UTC. It is kept here as a record.
No stronger detection stands among the 19 recorded within 20 km of this point since 17 March 2026 — one other scored the same. The last comparable one was on 7 April 2026.
What the source measured
NOAA reported: Tornado Warning issued May 13 at 5:07PM EDT until May 13 at 5:45PM EDT by NWS Buffalo NY
An estimated 44,567 people live within 50 km of this point.
Nearby, since 17 March 2026
- May 13, 2026 · score 58 · 0.0 km
- June 30, 2026 · score 43 · 6.6 km
- June 18, 2026 · score 34 · 10.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 80% |
| Coordinates | 43.6450, -76.1483 |
| Nearest City | Oswego (36 km) |
| Population Exposed | 44.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T21:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0c74c77bb8aca3b8e7cb66517ba6edb1f379676a.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, NY; Oswego, NY |
| Headline | Tornado Warning issued May 13 at 5:07PM EDT until May 13 at 5:45PM EDT by NWS Buffalo NY |
| Expires | 2026-05-13T17:45:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
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.
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