This alert expired on 13 August 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 19 recorded within 20 km of this point since 16 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 13 at 6:59PM EDT until August 13 at 7:45PM EDT by NWS Boston/Norton MA
An estimated 1,058,410 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 19, 2026 · score 48 · 11.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 88 % 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 | 88% |
| Coordinates | 41.4650, -71.2470 |
| Nearest City | Newport (6 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-13T22:59:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1e9d2c38e8410fbf19aad0020a3696eac21c3271.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, RI; Newport, RI; Washington, RI |
| Headline | Severe Thunderstorm Warning issued August 13 at 6:59PM EDT until August 13 at 7:45PM EDT by NWS Boston/Norton MA |
| Expires | 2026-08-13T19:45:00-04:00 |
| SenderName | NWS Boston/Norton MA |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | Middleborough |
| Iem County | Plymouth |
| Iem State | MA |
| Iem Wfo | BOX |
| Iem Remark | In Middleborough, a 6" tree limb was down on Chestnut St. |
| MergedSources | [{"id":"iem_H_41.730_-70.610_1786647600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786647600000,"latitude":41.73,"longitude":-70.61},{"id":"iem_D_41.900_-70.930_1786646400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786646400000,"latitude":41.9,"longitude":-70.93}] |
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 Newport?
Calamity.live data shows a weather event with CalamityScore 52/100, near Newport (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.