Right now
The most recent data we hold from NOAA arrived 11 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 1 October 2026 at 15:30 UTC. It is kept here as a record.
It is one of only 2 we have recorded within 20 km of this point since 3 June 2026. The last comparable one was on 29 September 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued October 1 at 10:29AM EDT until October 1 at 11:30AM EDT by NWS Miami FL
Nearby, since 3 June 2026
- June 3, 2026 · 7.7 km
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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 25.4138, -79.7825 |
| Nearest City | Miami Beach (54 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-10-01T14:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.f267b72b2b9d39820092ccc5932d9a6acc03226d.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-10-01T14:29:00.000Z.
First archived: 2026-10-01T14:48:19.313Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| MessageId | urn:oid:2.49.0.1.840.0.f267b72b2b9d39820092ccc5932d9a6acc03226d.001.1 |
| 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 |
| Headline | Special Marine Warning issued October 1 at 10:29AM EDT until October 1 at 11:30AM EDT by NWS Miami FL |
| Expires | 2026-10-01T11:30:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| Iem TypeSummary | Thunderstorm wind gust |
| Iem LsrCode | M |
| Iem LsrType | TSTM WND GST |
| Iem Magnitude | 42 |
| Iem Unit | MPH |
| Iem City | 8 ESE North Key Largo |
| Iem County | GMZ042 |
| Iem State | FL |
| Iem Wfo | KEY |
| Iem Remark | A southeasterly wind gust of 36 knots, or 42 mph, was measured by the Carysfort Reef Light XCFL WeatherFLow mesonet station at 8:17 am. |
| MergedSources | [{"id":"iem_M_25.770_-80.150_1790859480000","source":"iem","severity":"medium","severityValue":45,"timestamp":1790859480000,"latitude":25.77,"longitude":-80.15},{"id":"iem_M_25.430_-80.350_1790858640000","source":"iem","severity":"medium","severityValue":45,"timestamp":1790858640000,"latitude":25.43,"longitude":-80.35},{"id":"iem_M_25.750_-80.100_1790859360000","source":"iem","severity":"medium","severityValue":45,"timestamp":1790859360000,"latitude":25.75,"longitude":-80.1},{"id":"iem_G_25.320_-80.280_1790858100000","source":"iem","severity":"low","severityValue":35,"timestamp":1790858100000,"latitude":25.32,"longitude":-80.28},{"id":"iem_M_25.230_-80.210_1790857020000","source":"iem","severity":"low","severityValue":35,"timestamp":1790857020000,"latitude":25.23,"longitude":-80.21}] |
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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