This alert expired on 15 July 2026 at 08:30 UTC. It is kept here as a record.
No stronger detection stands among the 24 recorded within 20 km of this point since 7 April 2026 — 4 others scored the same. 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 July 15 at 4:17AM EDT until July 15 at 4:30AM EDT by NWS Gray ME
An estimated 109,846 people live within 50 km of this point.
Nearby, since 7 April 2026
- July 2, 2026 · score 43 · 9.2 km
- July 16, 2026 · score 43 · 19.5 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 | 43.1326, -72.1124 |
| Nearest City | Keene (26 km) |
| Population Exposed | 109.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-15T08:17:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.015c5faeb91a1bda1bd0a67b74ccef0d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hillsborough, NH; Merrimack, NH; Hillsborough, NH; Merrimack, NH; Rockingham, NH; Rutland, VT; Windsor, VT |
| Headline | Severe Thunderstorm Warning issued July 15 at 4:17AM EDT until July 15 at 4:30AM EDT by NWS Gray ME |
| Expires | 2026-07-15T04:30:00-04:00 |
| SenderName | NWS Gray ME |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.015c5faeb91a1bda1bd0a67b74ccef0d12c7de64.002.1","noaa_urn:oid:2.49.0.1.840.0.d747ce52b7b623e3b1826655cbedbe483c8b0a3f.001.1","noaa_urn:oid:2.49.0.1.840.0.d75b92712c4e0641fd9fd38bfb88226bedeb80ed.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 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 near Keene?
Calamity.live data shows a weather event with CalamityScore 43/100, near Keene (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.