Right now
The most recent data we hold from NOAA arrived 13 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
5 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 21 July 2026 at 19:45 UTC. It is kept here as a record.
No stronger detection stands among the 171 recorded within 20 km of this point since 12 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 21 at 3:22PM EDT until July 21 at 3:45PM EDT by NWS Mount Holly NJ
An estimated 26,896,165 people live within 50 km of this point.
Nearby, since 12 March 2026
- September 13, 2026 · score 46 · 4.3 km
- August 3, 2026 · score 66 · 4.6 km
- July 15, 2026 · score 52 · 5.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 76 out of 100, at 79 % 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 | Critical |
| Calamity Score (ours) | 76 / 100 |
| Our confidence | 79% |
| Coordinates | 40.8320, -74.3096 |
| Nearest City | Livingston (4 km) |
| Population Exposed | 26.9M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-07-21T19:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.d871ca294c44af4ba15aae2cf23f093f |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Morris, NJ; Essex, NJ; Passaic, NJ |
| Headline | Tornado Warning issued July 21 at 3:22PM EDT until July 21 at 3:45PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-21T15:45:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d871ca294c44af4ba15aae2cf23f093f45e97e9e.001.1","noaa_urn:oid:2.49.0.1.840.0.505e7034aef623bbdd6f93af3f255f849eb6a607.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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