This alert expired on 13 August 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 62 recorded within 20 km of this point since 16 March 2026 — 13 others scored the same. The last comparable one was on 7 August 2026. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 12 at 7:22PM EDT until August 12 at 9:15PM EDT by NWS Tallahassee FL
An estimated 201,731 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 29, 2026 · score 22 · 3.5 km
- July 28, 2026 · score 43 · 7.0 km
- July 18, 2026 · score 43 · 14.0 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 | 29.9989, -84.2844 |
| Nearest City | Tallahassee (49 km) |
| Population Exposed | 201.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-12T23:22:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 |
| Headline | Special Marine Warning issued August 12 at 7:22PM EDT until August 12 at 9:15PM EDT by NWS Tallahassee FL |
| Expires | 2026-08-12T21:15:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 39 |
| Iem Unit | MPH |
| Iem City | 2 ENE Panacea-Wakulla A |
| Iem County | GMZ730 |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | Apalachee Bay - Panacea Channel reported 39 mph gust. |
| MergedSources | [{"id":"iem_M_30.000_-84.360_1786577940000","source":"iem","severity":"low","severityValue":25,"timestamp":1786577940000,"latitude":30,"longitude":-84.36}] |
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 Tallahassee (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.