Right now
The most recent data we hold from NOAA arrived 8 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 18 June 2026 at 19:00 UTC. It is kept here as a record.
No stronger detection stands among the 107 recorded within 20 km of this point since 17 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued June 18 at 11:06AM EDT until June 18 at 3:00PM EDT by NWS Buffalo NY
Urban PEI: 93,673 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- September 9, 2026 · score 32 · 0.0 km
- September 3, 2026 · score 51 · 0.0 km
- September 2, 2026 · score 51 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 51 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 51 / 100 |
| Legacy data-support index | 0.79/1 |
| Coordinates | 43.0000, -75.5000 |
| Nearest City | Rome (24 km) |
| Urban exposure index (PEI) | 93.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T15:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.3242db8f5552067c63ed68a65007d906 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-18T15:06:00.000Z.
First archived: 2026-06-18T15:58:13.002Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Cayuga, NY; Lewis, NY; Oswego, NY; Broome, NY; Chemung, NY; Chenango, NY; Cortland, NY; Delaware, NY; Madison, NY; Oneida, NY; Onondaga, NY; Otsego, NY; Schuyler, NY; Seneca, NY; Steuben, NY; Tioga, NY; Tompkins, NY; Yates, NY; Clinton, NY; Essex, NY; Franklin, NY; St. Lawrence, NY; Addison, VT; Caledonia, VT; Chittenden, VT; Essex, VT; Franklin, VT; Grand Isle, VT; Lamoille, VT; Orange, VT; Orleans, VT; Rutland, VT; Washington, VT; Windsor, VT |
| Headline | Tornado Watch issued June 18 at 11:06AM EDT until June 18 at 3:00PM EDT by NWS Buffalo NY |
| Expires | 2026-06-18T15:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3242db8f5552067c63ed68a65007d9060b888487.003.1","noaa_urn:oid:2.49.0.1.840.0.5c583e74eb2a826f9221675c9b5741c5acdec624.001.1","noaa_urn:oid:2.49.0.1.840.0.9f7d3e3ccdeb728411bb60795cb3035726d927c8.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
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