Right now
The most recent data we hold from NOAA arrived 10 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 7 June 2026 at 00:00 UTC. It is kept here as a record.
It is the 4th strongest of the 65 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 7:40PM EDT until June 6 at 8:00PM EDT by NWS Mount Holly NJ
An estimated 26,663,716 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 6, 2026 · score 52 · 2.4 km
- July 21, 2026 · score 52 · 5.7 km
- June 6, 2026 · score 52 · 9.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 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 | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 79% |
| Coordinates | 41.0169, -73.7045 |
| Nearest City | Port Chester (3 km) |
| Population Exposed | 26.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T23:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.97d49a14e7ec3a3dd3da04a51867e2d6 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Middlesex, NJ; Monmouth, NJ; Somerset, NJ; Hartford, CT; Tolland, CT; Windham, CT; Middlesex, CT; New London, CT and 4 more areas |
| Headline | Severe Thunderstorm Warning issued June 6 at 7:40PM EDT until June 6 at 8:00PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-06T20:00:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.97d49a14e7ec3a3dd3da04a51867e2d645e5c54d.002.1","noaa_urn:oid:2.49.0.1.840.0.62777540d7f0cda8c3be97e7c242494c693f4666.001.1","noaa_urn:oid:2.49.0.1.840.0.7065161c22edeedf2d835a7a57cae470463d85b8.002.1","noaa_urn:oid:2.49.0.1.840.0.3874d94ce6ca0d21903a01c58a8bdb03f0c79df2.001.1","noaa_urn:oid:2.49.0.1.840.0.73ffd55a93bd37f5fa2a2cbb596bd1b298e1fd0b.001.1","noaa_urn:oid:2.49.0.1.840.0.7c57617a2708982edb03ed6a198ce264559c17db.001.1","noaa_urn:oid:2.49.0.1.840.0.c816cea5b908322d5368ce11b650581411fc03ed.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 near Port Chester?
Calamity.live data shows a weather event with CalamityScore 52/100, near Port Chester (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.