Right now
The most recent data we hold from NOAA arrived 35 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 17 km from here.
This alert expired on 13 May 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 29 recorded within 20 km of this point since 17 March 2026 — 3 others scored the same. The last comparable one was on 16 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 13 at 4:04PM EDT until May 13 at 5:00PM EDT by NWS Buffalo NY
An estimated 278,752 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 10, 2026 · score 43 · 10.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % 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 | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 84% |
| Coordinates | 43.1705, -76.4462 |
| Nearest City | Clay (22 km) |
| Population Exposed | 278.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T20:04:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ebbecd1b5f070a70ea8ab3b0687e0f96 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cayuga, NY; Oswego, NY; Wayne, NY; Cayuga, NY; Cortland, NY; Onondaga, NY; Seneca, NY; Yates, NY |
| Headline | Severe Thunderstorm Warning issued May 13 at 4:04PM EDT until May 13 at 5:00PM EDT by NWS Buffalo NY |
| Expires | 2026-05-13T17:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ebbecd1b5f070a70ea8ab3b0687e0f96074dbfd2.001.1","noaa_urn:oid:2.49.0.1.840.0.789396dccb19d986345525b69c10caf331d72c68.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 NNW Geneva |
| Iem County | Ontario |
| Iem State | NY |
| Iem Wfo | BUF |
| Iem Remark | Tree down on wires on Carter Road in Geneva. |
| MergedSources | [{"id":"iem_D_42.890_-76.990_1778702160000","source":"iem","severity":"low","severityValue":25,"timestamp":1778702160000,"latitude":42.89,"longitude":-76.99}] |
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 Clay?