Right now
The most recent data we hold from NOAA arrived 23 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 21 July 2026 at 18:15 UTC. It is kept here as a record.
It is the 5th strongest of the 41 detections recorded within 20 km of this point since 8 March 2026. The last comparable one was on 4 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 21 at 1:26PM EDT until July 21 at 2:15PM EDT by NWS Binghamton NY
An estimated 18,907 people live within 50 km of this point.
Nearby, since 8 March 2026
- March 8, 2026 · score 22 · 10.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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 | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 42.7290, -75.6583 |
| Nearest City | Cortland (45 km) |
| Population Exposed | 18.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T17:26:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.dd6beb6c53fd47ad45a5364d6477a71b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Broome, NY; Bradford, PA; Susquehanna, PA; Broome, NY; Chenango, NY; Cortland, NY; Tioga, NY; Tompkins, NY; Jefferson, NY; Lewis, NY; Oswego, NY |
| Headline | Severe Thunderstorm Warning issued July 21 at 1:26PM EDT until July 21 at 2:15PM EDT by NWS Binghamton NY |
| Expires | 2026-07-21T14:15:00-04:00 |
| SenderName | NWS Binghamton NY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dd6beb6c53fd47ad45a5364d6477a71b63d3ecd2.001.1","noaa_urn:oid:2.49.0.1.840.0.e7c7ac6774ceea70fb5a8ca4f18b9d12cb8cfee8.001.1","noaa_urn:oid:2.49.0.1.840.0.58adffb6bbbf3184ceb1792570414f51ae26af6f.001.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.