This alert expired on 16 March 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 16 March 2026 — 3 others scored the same.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 5:54PM EDT until March 16 at 7:00PM EDT by NWS Tampa Bay Ruskin FL
An estimated 232,612 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 10, 2026 · score 43 · 8.7 km
- July 20, 2026 · score 43 · 16.1 km
- August 7, 2026 · score 37 · 26.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 83% |
| Coordinates | 27.1683, -82.6634 |
| Nearest City | Venice (22 km) |
| Population Exposed | 232.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T21:54:00.000Z |
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; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM; Waters from Bonita Beach to Englewood FL out 20 to 60 NM; Tampa Bay waters; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM |
| Headline | Special Marine Warning issued March 16 at 5:54PM EDT until March 16 at 7:00PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-03-16T19:00:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2dc168cc41b609b02ba918da22eee9f3ddfe58c0.001.1","noaa_urn:oid:2.49.0.1.840.0.68156d535bafd4b086df91b56c7d473aa2ba83a0.001.1"] |
| Iem TypeSummary | W |
| Iem City | 30 WSW Bradenton Beach |
| Iem County | GMZ873 |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | A boater relayed a report of a waterspout viewed from about 20 miles west of Vamo. |
| MergedSources | [{"id":"iem_W_27.290_-83.140_1773695100000","source":"iem","severity":"low","severityValue":25,"timestamp":1773695100000,"latitude":27.29,"longitude":-83.14}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Venice (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.