HighSevere WeatherCS: 45 · v5

Severe Weather in United States

MonroeUnited StatesIEM

Right now

The most recent data we hold from IEM arrived 30 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

One other detection within 20 km in the last 24 hours, <1 km from here.

Reported by IEM today.

It is one of only 2 we have recorded within 20 km of this point since 17 March 2026. The last comparable one was on 7 September 2026. One more was recorded here in the fortnight before it.

What the source measured

IEM reported: Preliminary highly-localized damage to one residence in the Silver Shores community between Tavernier and Rock Harbor investigated by Emergency Manager. Time is approximate. A large enclosed porch was destroyed with a section of porch roof deposited in a tree approximately 500 feet to the west so...

Urban PEI: 80,737 within a heuristic 50 km radius; not unique people.

Nearby, since 17 March 2026

How we know

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

Our own score for this event is 45 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

TypeSevere Weather
SeverityHigh
Calamity Score (ours)45 / 100
Legacy data-support index0.58/1
Coordinates25.0500, -80.4800
Nearest CityHomestead (47 km)
Urban exposure index (PEI)80.7K within 50 km
Impact Tiersevere
Timestamp2026-09-30T16:00:00.000Z
Sourcehttps://mesonet.agron.iastate.edu/lsr/

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: iem. Occurrence: 2026-09-30T16:00:00.000Z.

First archived: 2026-09-30T21:18:41.047Z. 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

50
intensity
55
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

TypeSummaryTornado
LsrCodeT
LsrTypeTORNADO
City2 SW Rock Harbor
CountyFLC087
StateFL
WfoKEY
RemarkPreliminary highly-localized damage to one residence in the Silver Shores community between Tavernier and Rock Harbor investigated by Emergency Manager. Time is approximate. A large enclosed porch was

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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