Right now
The most recent data we hold from NOAA arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest 2 km from here.
This alert expired on 7 September 2026 at 21:45 UTC. It is kept here as a record.
It is the 17th strongest of the 28 detections recorded within 20 km of this point since 7 April 2026. The last comparable one was on 1 September 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 7 at 5:10PM EDT until September 7 at 5:45PM EDT by NWS Miami FL
An estimated 3,793,129 people live within 50 km of this point.
Nearby, since 7 April 2026
- August 1, 2026 · score 52 · 2.7 km
- April 7, 2026 · score 52 · 4.2 km
- September 7, 2026 · score 46 · 5.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 81% |
| Coordinates | 25.7121, -80.0982 |
| Nearest City | Miami Beach (9 km) |
| Population Exposed | 3.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T21:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7ab4257c78e4232f13d555d1d5d082d23045e0ba.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM; Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas; Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM |
| Headline | Special Marine Warning issued September 7 at 5:10PM EDT until September 7 at 5:45PM EDT by NWS Miami FL |
| Expires | 2026-09-07T17:45:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7ab4257c78e4232f13d555d1d5d082d23045e0ba.001.1","noaa_urn:oid:2.49.0.1.840.0.13b41ed65d96114d09749ab21380e754040e4828.001.1","noaa_urn:oid:2.49.0.1.840.0.a9baeb53930fbd4cb27397c6f65d319d118ce612.001.1"] |
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 Miami Beach?
Calamity.live data shows a weather event with CalamityScore 46/100, near Miami Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.