This alert expired on 18 June 2026 at 16:30 UTC. It is kept here as a record.
No stronger detection stands among the 46 recorded within 20 km of this point since 9 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 18 at 11:50AM EDT until June 18 at 12:30PM EDT by NWS Binghamton NY
An estimated 193,837 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 3, 2026 · score 67 · 6.4 km
- March 17, 2026 · score 39 · 14.3 km
- March 9, 2026 · score 39 · 14.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 67 out of 100, at 79 % 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) | 67 / 100 |
| Our confidence | 79% |
| Coordinates | 42.6343, -76.0022 |
| Nearest City | Cortland (15 km) |
| Population Exposed | 193.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-18T15:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.0ed350bd209337f3cc7e6cab680024d2 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chenango, NY; Cortland, NY; Madison, NY; Cortland, NY |
| Headline | Tornado Warning issued June 18 at 11:50AM EDT until June 18 at 12:30PM EDT by NWS Binghamton NY |
| Expires | 2026-06-18T12:30:00-04:00 |
| SenderName | NWS Binghamton NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ed350bd209337f3cc7e6cab680024d202e71589.001.1","noaa_urn:oid:2.49.0.1.840.0.df6dc88821636f4d0a4766934856c083b4ac7a73.002.1"] |
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 near Cortland?
Calamity.live data shows a weather event with CalamityScore 67/100, near Cortland (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.