This alert expired on 1 September 2026 at 23:45 UTC. It is kept here as a record.
It is the 19th strongest of the 46 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued September 1 at 6:50PM EDT until September 1 at 7:45PM EDT by NWS Tampa Bay Ruskin FL
An estimated 768,924 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 48 · 2.6 km
- July 17, 2026 · score 48 · 5.3 km
- July 17, 2026 · score 48 · 7.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 41 out of 100, at 86 % 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) | 41 / 100 |
| Our confidence | 86% |
| Coordinates | 27.5574, -82.7879 |
| Nearest City | Bradenton (22 km) |
| Population Exposed | 768.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-01T22:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.fcfe7b8ab2310ebc67ffdb868c4bef63312bb979.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM; Tampa Bay waters; Coastal waters from Englewood to Tarpon Springs FL out 20 NM |
| Headline | Special Marine Warning issued September 1 at 6:50PM EDT until September 1 at 7:45PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-09-01T19:45:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fcfe7b8ab2310ebc67ffdb868c4bef63312bb979.001.1","noaa_urn:oid:2.49.0.1.840.0.e27f0d503c511c493962aa336adb57f8ee8cf0ed.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 46 |
| Iem Unit | MPH |
| Iem City | 6 E Saint Petersburg |
| Iem County | GMZ830 |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | Mesonet station XTAM Tampa Bay Cut J. |
| MergedSources | [{"id":"iem_M_27.610_-82.760_1788302280000","source":"iem","severity":"low","severityValue":25,"timestamp":1788302280000,"latitude":27.61,"longitude":-82.76},{"id":"iem_M_27.600_-82.650_1788301740000","source":"iem","severity":"low","severityValue":25,"timestamp":1788301740000,"latitude":27.6,"longitude":-82.65},{"id":"iem_M_27.660_-82.680_1788301260000","source":"iem","severity":"low","severityValue":25,"timestamp":1788301260000,"latitude":27.66,"longitude":-82.68},{"id":"iem_G_27.770_-82.630_1788299880000","source":"iem","severity":"low","severityValue":25,"timestamp":1788299880000,"latitude":27.77,"longitude":-82.63},{"id":"iem_G_27.910_-82.690_1788298320000","source":"iem","severity":"low","severityValue":25,"timestamp":1788298320000,"latitude":27.91,"longitude":-82.69},{"id":"iem_M_27.770_-82.570_1788300120000","source":"iem","severity":"low","severityValue":25,"timestamp":1788300120000,"latitude":27.77,"longitude":-82.57}] |
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.
Want to know when something happens near Bradenton?
Calamity.live data shows a weather event with CalamityScore 41/100, near Bradenton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.