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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 4 July 2026 at 01:15 UTC. It is kept here as a record.
It is the 8th strongest of the 253 detections recorded within 20 km of this point since 17 March 2026. 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 3 at 9:06PM EDT until July 3 at 9:15PM EDT by NWS Mount Holly NJ
Urban PEI: 413,329 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 21, 2026 · score 37 · 4.6 km
- August 8, 2026 · score 37 · 6.2 km
- July 16, 2026 · score 48 · 6.4 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 39.7863, -74.3213 |
| Nearest City | Ocean Acres (6 km) |
| Urban exposure index (PEI) | 413.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T01:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ca6ee997701b4a6d496978d366febb47 |
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: 2026-07-04T01:06:00.000Z.
First archived: 2026-07-04T01:15:26.107Z. 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 | Burlington, NJ; Ocean, NJ; Burlington, NJ; Monmouth, NJ; Ocean, NJ |
| Headline | Severe Thunderstorm Warning issued July 3 at 9:06PM EDT until July 3 at 9:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-03T21:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ca6ee997701b4a6d496978d366febb472479dfa3.001.1","noaa_urn:oid:2.49.0.1.840.0.d72fb13845e922327e2f0adf54159855463ff0f7.001.1","noaa_urn:oid:2.49.0.1.840.0.e8c225bdfca9907ce2a42a1d3bf8035f44be0a02.002.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 44 |
| Iem Unit | MPH |
| Iem City | 2 NNE Lavallette |
| Iem County | ANZ451 |
| Iem State | NJ |
| Iem Wfo | PHI |
| Iem Remark | Brick mesonet gusted to 38 kt. Time estimated from radar. |
| MergedSources | [{"id":"iem_M_39.940_-74.070_1783126140000","source":"iem","severity":"low","severityValue":25,"timestamp":1783126140000,"latitude":39.94,"longitude":-74.07},{"id":"iem_M_40.000_-74.050_1783125780000","source":"iem","severity":"low","severityValue":25,"timestamp":1783125780000,"latitude":40,"longitude":-74.05}] |
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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