This alert expired on 16 March 2026 at 13:45 UTC. It is kept here as a record.
No stronger detection stands among the 71 recorded within 20 km of this point since 16 March 2026 — 45 others scored the same.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 6:43AM EDT until March 16 at 9:45AM EDT by NWS Tallahassee FL
Nearby, since 16 March 2026
- July 13, 2026 · score 22 · 6.0 km
- March 17, 2026 · score 22 · 11.6 km
- August 13, 2026 · score 22 · 12.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 68% |
| Coordinates | 29.8298, -84.8279 |
| Nearest City | Tallahassee (86 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T10:43:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.445522417a854c2d32dd98eb05aed166 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | St. Andrews Bay Waterways; Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM; Coastal Waters from Mexico Beach to Apalachicola out 20 NM; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Coastal waters from Suwannee River to Keaton Beach out 20 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM |
| Headline | Special Marine Warning issued March 16 at 6:43AM EDT until March 16 at 9:45AM EDT by NWS Tallahassee FL |
| Expires | 2026-03-16T09:45:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.445522417a854c2d32dd98eb05aed1660a26458c.001.1","noaa_urn:oid:2.49.0.1.840.0.8db29285e916d8f3f4da4163641fa96976385d65.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 49 |
| Iem Unit | MPH |
| Iem City | 1 SE Beacon Hill |
| Iem County | Gulf |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | WeatherStem at gulf veterans memorial park measured wind gust of 49 mph. |
| MergedSources | [{"id":"iem_M_29.810_-84.580_1773648240000","source":"iem","severity":"low","severityValue":25,"timestamp":1773648240000,"latitude":29.81,"longitude":-84.58},{"id":"iem_M_29.920_-85.380_1773657240000","source":"iem","severity":"low","severityValue":25,"timestamp":1773657240000,"latitude":29.92,"longitude":-85.38}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.