Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

5 other detections within 20 km in the last 24 hours, the nearest 2 km from here.

This alert expired on 10 September 2026 at 13:30 UTC. It is kept here as a record.

It is the 2nd strongest of the 7 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued September 10 at 8:57AM EDT until September 10 at 9:30AM EDT by NWS Key West FL

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 16 out of 100, at 61 % 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)16 / 100
Our confidence61%
Coordinates24.9080, -80.1270
Nearest CityHomestead (72 km)
Impact Tierminor
Timestamp2026-09-10T12:57:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.db6cfeaf1cafb5b5ec753f4a1b2b81c5c0d2bdca.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescStraits of Florida from Ocean Reef to Craig Key out 20 NM; Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out
HeadlineSpecial Marine Warning issued September 10 at 8:57AM EDT until September 10 at 9:30AM EDT by NWS Key West FL
Expires2026-09-10T09:30:00-04:00
SenderNameNWS Key West FL
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.db6cfeaf1cafb5b5ec753f4a1b2b81c5c0d2bdca.001.1","noaa_urn:oid:2.49.0.1.840.0.6f84aef00157d45e4728e9130b00c9878d8eb788.001.1"]

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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