Reported by SPC 167 days ago.
No stronger detection stands among the 119 recorded within 20 km of this point since 12 March 2026 — 64 others scored the same. Another comparable one was recorded here earlier the same day. 74 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near Hammonton, Atlantic, NJ. Picture on social media of wind and tree damage with a dishelved structure. Time estimated from radar. (PHI)
An estimated 2,789,896 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 27, 2026 · score 52 · 2.6 km
- July 6, 2026 · score 52 · 3.1 km
- July 21, 2026 · score 46 · 7.2 km
How we know
Confirmed by 3 independent sources, including SPC.
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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 39.6400, -74.8000 |
| Nearest City | Jackson (16 km) |
| Population Exposed | 2.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T03:33:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | Hammonton |
| County | Atlantic |
| State | NJ |
| Comments | Picture on social media of wind and tree damage with a dishelved structure. Time estimated from radar. (PHI) |
| Iem TypeSummary | M |
| Iem Magnitude | 56 |
| Iem Unit | MPH |
| Iem City | 2 NE Strathmere |
| Iem County | ANZ453 |
| Iem State | NJ |
| Iem Wfo | PHI |
| Iem Remark | Ocean City south end mesonet. |
| MergedSources | [{"id":"iem_M_39.170_-74.670_1773718680000","source":"iem","severity":"low","severityValue":25,"timestamp":1773718680000,"latitude":39.17,"longitude":-74.67},{"id":"iem_M_39.220_-74.630_1773719040000","source":"iem","severity":"low","severityValue":25,"timestamp":1773719040000,"latitude":39.22,"longitude":-74.63}] |
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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Jackson (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.