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.
This alert expired on 7 August 2026 at 22:30 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 5:32PM EDT until August 7 at 6:30PM EDT by NWS Upton NY
Urban PEI: 1,770,057 within a heuristic 50 km radius; not unique people.
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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 40.3847, -74.7674 |
| Nearest City | Princeton (10 km) |
| Urban exposure index (PEI) | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T21:32:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f57d6316173aff59a00fedd5b3d2c120 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-08-07T21:32:00.000Z.
First archived: 2026-08-07T21:35:06.874Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bronx, NY; Kings, NY; New York, NY; Queens, NY; Westchester, NY; Mercer, NJ; Middlesex, NJ; Monmouth, NJ; Morris, NJ; Somerset, NJ; Sussex, NJ; Bergen, NJ; Essex, NJ; Hudson, NJ; Passaic, NJ; Union, NJ; Richmond, NY; Rockland, NY and 4 more areas |
| Headline | Severe Thunderstorm Warning issued August 7 at 5:32PM EDT until August 7 at 6:30PM EDT by NWS Upton NY |
| Expires | 2026-08-07T18:30:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f57d6316173aff59a00fedd5b3d2c1201e5e2ece.001.1","noaa_urn:oid:2.49.0.1.840.0.9ae712cbe944cdcddf9a7d1fc608fc7b79f3741f.002.1","noaa_urn:oid:2.49.0.1.840.0.e144124d1260e22e72696c30564dcb76831bd201.002.1","noaa_urn:oid:2.49.0.1.840.0.f895faa9fe048cfb6768707960cb2b4df7b28515.001.1","noaa_urn:oid:2.49.0.1.840.0.3a2862c8ca9cb035f8a9b848c9a87fbad135801e.001.1","noaa_urn:oid:2.49.0.1.840.0.a29d35fbfd951a134fd3fe2a6b8ec60eba384041.001.1","noaa_urn:oid:2.49.0.1.840.0.fd2d42c556146a15f471d67795e9e8c449056790.001.1"] |
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 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.
Review the area, threshold and delivery channel in your account.
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