Right now
The most recent data we hold from NOAA arrived 6 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, 7 km from here.
This alert expired on 18 September 2026 at 22:15 UTC. It is kept here as a record.
It is the 29th strongest of the 43 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 18 at 5:15PM EDT until September 18 at 6:15PM EDT by NWS Tampa Bay Ruskin FL
Urban PEI: 479,422 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- July 5, 2026 · score 43 · 5.6 km
- September 18, 2026 · score 37 · 7.3 km
- August 29, 2026 · score 43 · 7.6 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 37 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) | 37 / 100 |
| Legacy data-support index | 0.85/1 |
| Coordinates | 26.8664, -82.2364 |
| Nearest City | Punta Gorda Isles (17 km) |
| Urban exposure index (PEI) | 479.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-18T21:15:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.ed7bc62db5be2340c2dacff182da47d81e0e3226.001.1 |
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: 2026-09-18T21:15:00.000Z.
First archived: 2026-09-18T21:20:09.226Z. 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 |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Charlotte Harbor and Pine Island Sound; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Coastal waters from Bonita Beach to Englewood FL out 20 NM |
| Headline | Special Marine Warning issued September 18 at 5:15PM EDT until September 18 at 6:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-09-18T18:15:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| Iem TypeSummary | C |
| Iem City | 3 SW Cape Coral |
| Iem County | Lee |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | Broadcast media shared a photo of a funnel cloud. Photos do not show the condensation funnel extending to the surface. Time that the image was taken was provided. |
| MergedSources | [{"id":"iem_G_26.920_-82.000_1789765560000","source":"iem","severity":"low","severityValue":25,"timestamp":1789765560000,"latitude":26.92,"longitude":-82},{"id":"iem_C_26.540_-82.030_1789756800000","source":"iem","severity":"low","severityValue":25,"timestamp":1789756800000,"latitude":26.54,"longitude":-82.03}] |
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.
Review the area, threshold and delivery channel in your account.
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