Right now
The most recent data we hold from NOAA arrived 4 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 17 March 2026 at 08:00 UTC. It is kept here as a record.
It is the 4th strongest of the 84 detections recorded within 20 km of this point since 16 March 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Storm Warning issued March 16 at 2:55PM EDT until March 17 at 8:00AM EDT by NWS Boston/Norton MA
An estimated 4,954,517 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 30, 2026 · score 52 · 0.0 km
- June 18, 2026 · score 64 · 0.0 km
- May 30, 2026 · score 52 · 0.0 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 89 % 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 | 89% |
| Coordinates | 42.2000, -71.5000 |
| Nearest City | Milford (7 km) |
| Population Exposed | 5.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T21:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.326421f77a07eaf672fb42edcb6623303be5c200.002.1 |
Score Breakdown
Technical Details
| Event | Storm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm; Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island |
| Headline | Storm Warning issued March 16 at 2:55PM EDT until March 17 at 8:00AM EDT by NWS Boston/Norton MA |
| Expires | 2026-03-17T04:00:00-04:00 |
| SenderName | NWS Boston/Norton MA |
| HasExactCoords | false |
| Iem TypeSummary | O |
| Iem City | 4 W North Kingstown |
| Iem County | Washington |
| Iem State | RI |
| Iem Wfo | BOX |
| Iem Remark | In Exeter, trees and wires were downed near Summit Road. |
| MergedSources | [{"id":"iem_O_42.380_-71.240_1773699900000","source":"iem","severity":"low","severityValue":25,"timestamp":1773699900000,"latitude":42.38,"longitude":-71.24},{"id":"iem_O_42.250_-71.070_1773698580000","source":"iem","severity":"low","severityValue":25,"timestamp":1773698580000,"latitude":42.25,"longitude":-71.07},{"id":"iem_N_42.210_-71.110_1773696960000","source":"iem","severity":"low","severityValue":25,"timestamp":1773696960000,"latitude":42.21,"longitude":-71.11},{"id":"iem_N_41.700_-71.170_1773695880000","source":"iem","severity":"low","severityValue":25,"timestamp":1773695880000,"latitude":41.7,"longitude":-71.17},{"id":"iem_O_42.660_-71.620_1773698700000","source":"iem","severity":"low","severityValue":25,"timestamp":1773698700000,"latitude":42.66,"longitude":-71.62},{"id":"iem_N_42.210_-71.110_1773707160000","source":"iem","severity":"low","severityValue":25,"timestamp":1773707160000,"latitude":42.21,"longitude":-71.11},{"id":"iem_O_42.350_-72.090_1773697500000","source":"iem","severity":"low","severityValue":25,"timestamp":1773697500000,"latitude":42.35,"longitude":-72.09},{"id":"iem_O_42.060_-71.920_1773703200000","source":"iem","severity":"low","severityValue":25,"timestamp":1773703200000,"latitude":42.06,"longitude":-71.92},{"id":"iem_O_42.160_-70.790_1773698820000","source":"iem","severity":"low","severityValue":25,"timestamp":1773698820000,"latitude":42.16,"longitude":-70.79},{"id":"iem_N_42.210_-71.110_1773699360000","source":"iem","severity":"low","severityValue":25,"timestamp":1773699360000,"latitude":42.21,"longitude":-71.11},{"id":"iem_O_41.580_-71.540_1773700500000","source":"iem","severity":"low","severityValue":25,"timestamp":1773700500000,"latitude":41.58,"longitude":-71.54}] |
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 Milford?
Calamity.live data shows a weather event with CalamityScore 52/100, near Milford (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.