This alert expired on 4 July 2026 at 00:46 UTC. It is kept here as a record.
It is the 2nd strongest of the 67 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 3 at 8:36PM EDT until July 3 at 8:45PM EDT by NWS Upton NY
An estimated 19,868,484 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 15, 2026 · score 52 · 4.9 km
- July 6, 2026 · score 52 · 7.2 km
- July 6, 2026 · score 52 · 8.7 km
How we know
Confirmed by 17 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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 | 90% |
| Coordinates | 40.3537, -73.7428 |
| Nearest City | Long Branch (22 km) |
| Population Exposed | 19.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T00:36:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sandy Hook NJ to Fire Island Inlet NY out 20 NM; Sandy Hook NJ to Fire Island Inlet NY out 20 NM; Waters from Sandy Hook NJ to Fire Island Inlet NY out 20 to 60 NM; Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM; Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM; Waters from Sandy Hook NJ to Manasquan Inlet NJ from 20 to 40 NM; Waters from Manasquan Inlet NJ to Little Egg Inlet NJ from 20 to 60 NM and 2 more areas |
| Headline | Special Marine Warning issued July 3 at 8:36PM EDT until July 3 at 8:45PM EDT by NWS Upton NY |
| Expires | 2026-07-03T20:46:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f778fa07bc6b635fea0e76be1bb69b1e6fa3f743.001.1","noaa_urn:oid:2.49.0.1.840.0.85d9b0af8e59ddf402c411e9c3b20930eb23807b.002.1","noaa_urn:oid:2.49.0.1.840.0.9e247156dccc3704b69df14d8ed6b7da8c222628.001.1","noaa_urn:oid:2.49.0.1.840.0.a23d0b5c1c62d8aa3b18473f32a7b3b39d9c1105.001.1","noaa_urn:oid:2.49.0.1.840.0.b4eb74467aed086ef90ad0860667f6c026ddf8c0.001.1"] |
| Iem TypeSummary | D |
| Iem City | Nutley |
| Iem County | Essex |
| Iem State | NJ |
| Iem Wfo | OKX |
| Iem Remark | Numerous public reports of trees down in Nutley. |
| MergedSources | [{"id":"iem_M_40.340_-73.970_1783124340000","source":"iem","severity":"low","severityValue":25,"timestamp":1783124340000,"latitude":40.34,"longitude":-73.97},{"id":"iem_D_40.780_-74.020_1783122960000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122960000,"latitude":40.78,"longitude":-74.02},{"id":"iem_D_40.750_-74.160_1783123500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123500000,"latitude":40.75,"longitude":-74.16},{"id":"iem_D_40.740_-74.380_1783121700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783121700000,"latitude":40.74,"longitude":-74.38},{"id":"iem_D_40.850_-74.140_1783123320000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123320000,"latitude":40.85,"longitude":-74.14},{"id":"iem_D_40.410_-74.040_1783124100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783124100000,"latitude":40.41,"longitude":-74.04},{"id":"iem_D_40.680_-74.330_1783122600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122600000,"latitude":40.68,"longitude":-74.33},{"id":"iem_G_40.630_-73.950_1783123800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123800000,"latitude":40.63,"longitude":-73.95},{"id":"iem_D_40.850_-74.120_1783121820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783121820000,"latitude":40.85,"longitude":-74.12},{"id":"iem_G_40.510_-74.270_1783123140000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123140000,"latitude":40.51,"longitude":-74.27},{"id":"iem_D_40.850_-74.140_1783123020000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123020000,"latitude":40.85,"longitude":-74.14},{"id":"iem_D_40.770_-74.310_1783122480000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122480000,"latitude":40.77,"longitude":-74.31},{"id":"iem_D_40.410_-74.230_1783123680000","source":"iem","severity":"low","severityValue":25,"timestamp":1783123680000,"latitude":40.41,"longitude":-74.23},{"id":"iem_G_40.620_-74.250_1783122900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122900000,"latitude":40.62,"longitude":-74.25},{"id":"iem_G_40.600_-74.150_1783122900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122900000,"latitude":40.6,"longitude":-74.15},{"id":"iem_D_40.810_-74.160_1783122300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122300000,"latitude":40.81,"longitude":-74.16}] |
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 Long Branch (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.