Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
11 other detections within 20 km in the last 24 hours, the nearest 2 km from here.
This alert expired on 21 July 2026 at 17:30 UTC. It is kept here as a record.
No stronger detection stands among the 44 recorded within 20 km of this point since 12 March 2026 — 16 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 21 at 1:07PM EDT until July 21 at 1:30PM EDT by NWS Upton NY
An estimated 2,664,669 people live within 50 km of this point.
Nearby, since 12 March 2026
- September 13, 2026 · score 46 · 5.0 km
- September 13, 2026 · score 46 · 5.0 km
- July 21, 2026 · score 52 · 7.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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 | 81% |
| Coordinates | 41.1533, -73.1989 |
| Nearest City | Bridgeport (3 km) |
| Population Exposed | 2.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T17:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ea44d3736b62a6e6f5ae4fd31e1a168d8ebfaf1d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fairfield, CT; New Haven, CT |
| Headline | Severe Thunderstorm Warning issued July 21 at 1:07PM EDT until July 21 at 1:30PM EDT by NWS Upton NY |
| Expires | 2026-07-21T13:30:00-04:00 |
| SenderName | NWS Upton NY |
| 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 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.
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