Right now
The most recent data we hold from NOAA arrived 30 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 9 August 2026 at 00:00 UTC. It is kept here as a record.
It is the 10th strongest of the 98 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 58 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued August 8 at 6:21PM EDT until August 8 at 8:00PM EDT by NWS Boston/Norton MA
An estimated 1,682,010 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 28, 2026 · score 58 · 0.0 km
- August 27, 2026 · score 58 · 0.0 km
- August 11, 2026 · score 58 · 0.0 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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 | 90% |
| Coordinates | 41.6000, -72.7000 |
| Nearest City | Middletown (6 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T22:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.b21bd6f216e250d3481bf0dbb4e0f868 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Hartford, CT; Tolland, CT; Franklin, MA; Hampden, MA; Hampshire, MA; Windham, CT; Worcester, MA; Providence, RI |
| Headline | Severe Thunderstorm Watch issued August 8 at 6:21PM EDT until August 8 at 8:00PM EDT by NWS Boston/Norton MA |
| Expires | 2026-08-08T20:00:00-04:00 |
| SenderName | NWS Boston/Norton MA |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b21bd6f216e250d3481bf0dbb4e0f8688ccdbf63.002.1","noaa_urn:oid:2.49.0.1.840.0.b21bd6f216e250d3481bf0dbb4e0f8688ccdbf63.001.1"] |
| Iem TypeSummary | D |
| Iem City | 4 ENE Sandisfield |
| Iem County | Berkshire |
| Iem State | MA |
| Iem Wfo | ALY |
| Iem Remark | Tree down blocking Rte 8 on the Otis, MA town line. |
| MergedSources | [{"id":"iem_D_42.120_-72.540_1786226160000","source":"iem","severity":"low","severityValue":25,"timestamp":1786226160000,"latitude":42.12,"longitude":-72.54},{"id":"iem_D_42.180_-72.930_1786224180000","source":"iem","severity":"low","severityValue":25,"timestamp":1786224180000,"latitude":42.18,"longitude":-72.93},{"id":"iem_D_42.120_-72.650_1786225800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786225800000,"latitude":42.12,"longitude":-72.65},{"id":"iem_D_42.070_-72.520_1786226700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786226700000,"latitude":42.07,"longitude":-72.52},{"id":"iem_D_42.070_-72.620_1786226640000","source":"iem","severity":"low","severityValue":25,"timestamp":1786226640000,"latitude":42.07,"longitude":-72.62},{"id":"iem_D_42.210_-72.640_1786226100000","source":"iem","severity":"low","severityValue":25,"timestamp":1786226100000,"latitude":42.21,"longitude":-72.64},{"id":"iem_D_42.140_-72.760_1786224900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786224900000,"latitude":42.14,"longitude":-72.76},{"id":"iem_D_42.140_-73.070_1786223160000","source":"iem","severity":"low","severityValue":25,"timestamp":1786223160000,"latitude":42.14,"longitude":-73.07}] |
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 Middletown?
Calamity.live data shows a weather event with CalamityScore 52/100, near Middletown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.