Right now
The most recent data we hold from NOAA arrived 11 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 16 July 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 53 recorded within 20 km of this point since 16 March 2026 — 13 others scored the same. The last comparable one was on 4 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 16 at 5:47PM EDT until July 16 at 6:45PM EDT by NWS Boston/Norton MA
An estimated 2,909,322 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 18, 2026 · score 52 · 4.6 km
- June 26, 2026 · score 52 · 11.8 km
- July 22, 2026 · score 52 · 12.7 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 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 42.7733, -70.9229 |
| Nearest City | Newburyport (5 km) |
| Population Exposed | 2.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-16T21:47:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fbb11d053ee5b094f22a91480249907a46799120.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Essex, MA |
| Headline | Severe Thunderstorm Warning issued July 16 at 5:47PM EDT until July 16 at 6:45PM EDT by NWS Boston/Norton MA |
| Expires | 2026-07-16T18:45:00-04:00 |
| SenderName | NWS Boston/Norton MA |
| HasExactCoords | true |
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 Newburyport?
Calamity.live data shows a weather event with CalamityScore 52/100, near Newburyport (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.