This alert expired on 16 July 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 44 recorded within 20 km of this point since 17 March 2026 — 6 others scored the same. The last comparable one was on 15 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 16 at 4:44PM EDT until July 16 at 5:30PM EDT by NWS Gray ME
An estimated 376,292 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 18, 2026 · score 43 · 12.7 km
- June 26, 2026 · score 37 · 16.9 km
- July 2, 2026 · score 43 · 17.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 43.0227, -71.9247 |
| Nearest City | Keene (31 km) |
| Population Exposed | 376.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-16T20:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.11443bd519e9885d2e18bb051c42eeb2b7745822.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheshire, NH; Hillsborough, NH; Rockingham, NH |
| Headline | Severe Thunderstorm Warning issued July 16 at 4:44PM EDT until July 16 at 5:30PM EDT by NWS Gray ME |
| Expires | 2026-07-16T17:30:00-04:00 |
| SenderName | NWS Gray ME |
| 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 10 February 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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.