This alert expired on 19 July 2026 at 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 7 recorded within 20 km of this point since 16 March 2026 — 6 others scored the same. The last comparable one was on 12 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 18 at 6:48PM CDT until July 18 at 8:45PM CDT by NWS Tallahassee FL
Nearby, since 16 March 2026
- August 28, 2026 · score 22 · 8.5 km
- May 24, 2026 · score 22 · 11.7 km
- July 12, 2026 · score 22 · 12.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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 | 60% |
| Coordinates | 29.4801, -86.6158 |
| Nearest City | Fort Walton Beach (105 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-18T23:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a8237906dbf8163d44384a47dad35824 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 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; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM; Waters from Okaloosa-Walton County Line to Pensacola FL from 20 to 60 NM |
| Headline | Special Marine Warning issued July 18 at 6:48PM CDT until July 18 at 8:45PM CDT by NWS Tallahassee FL |
| Expires | 2026-07-18T20:45:00-05:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a8237906dbf8163d44384a47dad358244ccf212f.001.1","noaa_urn:oid:2.49.0.1.840.0.4fc7d438150345ae610932e15ee4ea5f18b1187d.001.1"] |
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.