Calamity
MediumSevere WeatherCalamity Score: 32

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 16 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 7 September 2026 at 22:45 UTC. It is kept here as a record.

It is the 7th strongest of the 13 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 4 August 2026.

What the source measured

NOAA reported: Special Marine Warning issued September 7 at 6:01PM EDT until September 7 at 6:45PM EDT by NWS Key West FL

An estimated 80,737 people live within 50 km of this point.

Nearby, since 17 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 32 out of 100, at 80 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)32 / 100
Our confidence80%
Coordinates25.0447, -80.4713
Nearest CityHomestead (47 km)
Population Exposed80.7K within 50 km
Impact Tiersignificant
Timestamp2026-09-07T22:01:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.bedf2b78069c5a390716c3e4e7ffee5e8e9474ed.001.1

Score Breakdown

35
intensity
55
population
0
cascading
18
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescStraits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out; Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM; 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
HeadlineSpecial Marine Warning issued September 7 at 6:01PM EDT until September 7 at 6:45PM EDT by NWS Key West FL
Expires2026-09-07T18:45:00-04:00
SenderNameNWS Key West FL
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.bedf2b78069c5a390716c3e4e7ffee5e8e9474ed.001.1","noaa_urn:oid:2.49.0.1.840.0.ee9c0a19bfc1af6be24bd1da9d8170954e7dc4bc.001.1","noaa_urn:oid:2.49.0.1.840.0.f95d70731ecf68e610f9ff3a5de87fdb147e5e54.001.1"]

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.

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