This alert expired on 6 August 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 15 March 2026 — one other scored the same. The last comparable one was on 17 July 2026.
What the source measured
NOAA reported: Special Marine Warning issued August 6 at 4:48PM EDT until August 6 at 5:30PM EDT by NWS Tampa Bay Ruskin FL
An estimated 1,177,792 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 26, 2026 · score 48 · 19.5 km
- July 17, 2026 · score 52 · 23.1 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 27.9894, -81.9883 |
| Nearest City | Lakeland (7 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T20:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.0cee2c3655fdae07c0e9652898d2e388 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Tampa Bay waters; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM |
| Headline | Special Marine Warning issued August 6 at 4:48PM EDT until August 6 at 5:30PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-08-06T17:30:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0cee2c3655fdae07c0e9652898d2e3889a571160.001.1","noaa_urn:oid:2.49.0.1.840.0.83fcdb891017b86d390b245a6d89091b2130f448.001.1","noaa_urn:oid:2.49.0.1.840.0.05304103be2ef534a241a25bf99185c554a43a78.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | Tampa International Apr |
| Iem County | Hillsborough |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | Mesonet station 2009W FSWN Steinbrenner Field. |
| MergedSources | [{"id":"iem_M_27.770_-82.570_1786043280000","source":"iem","severity":"low","severityValue":25,"timestamp":1786043280000,"latitude":27.77,"longitude":-82.57},{"id":"iem_E_28.470_-81.460_1786039800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786039800000,"latitude":28.47,"longitude":-81.46},{"id":"iem_G_28.020_-82.330_1786041300000","source":"iem","severity":"low","severityValue":25,"timestamp":1786041300000,"latitude":28.02,"longitude":-82.33},{"id":"iem_F_28.470_-81.460_1786039800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786039800000,"latitude":28.47,"longitude":-81.46},{"id":"iem_G_27.910_-82.690_1786044780000","source":"iem","severity":"low","severityValue":25,"timestamp":1786044780000,"latitude":27.91,"longitude":-82.69},{"id":"iem_G_27.980_-82.510_1786043400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786043400000,"latitude":27.98,"longitude":-82.51}] |
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 52/100, near Lakeland (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.