This alert expired on 20 June 2026 at 18:45 UTC. It is kept here as a record.
What the source measured
NOAA reported: Special Marine Warning issued June 20 at 2:07PM EDT until June 20 at 2:45PM EDT by NWS Miami FL
An estimated 126,105 people live within 50 km of this point.
Nearby, since 20 June 2026
- June 24, 2026 · score 43 · 18.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % 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 | 79% |
| Coordinates | 27.5087, -80.8100 |
| Nearest City | Vero Beach South (41 km) |
| Population Exposed | 126.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T18:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.9f996d68003e87bf34c4451d2051143e |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Okeechobee; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued June 20 at 2:07PM EDT until June 20 at 2:45PM EDT by NWS Miami FL |
| Expires | 2026-06-20T14:45:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9f996d68003e87bf34c4451d2051143eacee9605.001.1","noaa_urn:oid:2.49.0.1.840.0.f8e2d0f2adc82e8532c0e9cc4b5fd309d3175e7d.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 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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.