Right now
The most recent data we hold from NOAA arrived 15 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 16 March 2026 at 22:15 UTC. It is kept here as a record.
It is the 5th strongest of the 124 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 5:18PM EDT until March 16 at 6:15PM EDT by NWS Mount Holly NJ
An estimated 32,899 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 34 · 12.0 km
- July 22, 2026 · score 58 · 14.1 km
- September 2, 2026 · score 28 · 21.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 78 % 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 | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 78% |
| Coordinates | 38.3382, -75.6235 |
| Nearest City | Salisbury (3 km) |
| Population Exposed | 32.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T21:18:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.bdc9cdc0bb08a550c77485a5dfd3a2c5 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Delaware Bay waters south of East Point NJ to Slaughter Beach DE; Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm; Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm; Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm; Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm; Waters from Great Egg Inlet NJ to Cape May NJ out 20 to 40 nm; Waters from Cape May NJ to Fenwick Island DE out 20 to 40 nm; Chesapeake Bay from Smith Point to Windmill Point VA; Chesapeake Bay from Windmill Point to New Point Comfort VA; Rappahannock River from Urbanna to Windmill Point |
| Headline | Special Marine Warning issued March 16 at 5:18PM EDT until March 16 at 6:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-03-16T18:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bdc9cdc0bb08a550c77485a5dfd3a2c5fac9b047.001.1","noaa_urn:oid:2.49.0.1.840.0.35f0100d782c4562b57f7b0f47da85096f78db6d.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.
Want to know when something happens near Salisbury?
Calamity.live data shows a weather event with CalamityScore 34/100, near Salisbury (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.