This alert expired on 17 March 2026 at 05:00 UTC. It is kept here as a record.
It is the 613th strongest of the 750 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 10 March 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 17 at 12:19AM EDT until March 17 at 1:00AM EDT by NWS Upton NY
An estimated 27,965,408 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 20, 2026 · score 52 · 4.6 km
- June 12, 2026 · score 46 · 4.7 km
- July 6, 2026 · score 52 · 5.5 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 88 % 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) | 52 / 100 |
| Our confidence | 88% |
| Coordinates | 40.7684, -73.8058 |
| Nearest City | Bayside (2 km) |
| Population Exposed | 28.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T04:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7c38b256a0bb2d635663837308cc2c97ca2f3a3b.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bergen, NJ; Hudson, NJ; Bronx, NY; Kings, NY; Nassau, NY; New York, NY; Queens, NY; Westchester, NY |
| Headline | Severe Thunderstorm Warning issued March 17 at 12:19AM EDT until March 17 at 1:00AM EDT by NWS Upton NY |
| Expires | 2026-03-17T01:00:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | 70 |
| Spc Location | 1 NNW Newark Airport |
| Spc County | Essex |
| Spc State | NJ |
| Spc Comments | KEWR ASOS. (OKX) |
| Iem TypeSummary | G |
| Iem Magnitude | 70 |
| Iem Unit | MPH |
| Iem City | 1 NNW Newark Airport |
| Iem County | Essex |
| Iem State | NJ |
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 Bayside?
Calamity.live data shows a weather event with CalamityScore 52/100, near Bayside (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.