This alert expired on 1 July 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 16 March 2026 — 32 others scored the same. The last comparable one was on 3 June 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 30 at 6:48PM EDT until June 30 at 8:15PM EDT by NWS Tallahassee FL
Nearby, since 16 March 2026
- August 2, 2026 · score 22 · 9.4 km
- July 25, 2026 · score 22 · 9.8 km
- August 27, 2026 · score 22 · 19.5 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 29.4397, -84.4313 |
| Nearest City | Tallahassee (112 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-30T22:48:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal Waters from Mexico Beach to Apalachicola out 20 NM; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River 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 June 30 at 6:48PM EDT until June 30 at 8:15PM EDT by NWS Tallahassee FL |
| Expires | 2026-06-30T20:15:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.76a4119669d915d5e1d5015b7834439013c6d89f.001.1","noaa_urn:oid:2.49.0.1.840.0.8e4476811d6c9efddbe53ac6ee142bcd92ef6ada.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 45 |
| Iem Unit | MPH |
| Iem City | 3 ENE Panacea-Wakulla A |
| Iem County | GMZ730 |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | An ambient station in Apalachee Bay - Panacea Channel L8 gusted to 45 mph. |
| MergedSources | [{"id":"iem_M_30.000_-84.360_1782855840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782855840000,"latitude":30,"longitude":-84.36},{"id":"iem_M_29.900_-84.370_1782856980000","source":"iem","severity":"low","severityValue":25,"timestamp":1782856980000,"latitude":29.9,"longitude":-84.37},{"id":"iem_M_30.000_-84.360_1782857760000","source":"iem","severity":"low","severityValue":25,"timestamp":1782857760000,"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 22/100, near Tallahassee (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.