This alert expired on 20 June 2026 at 19:02 UTC. It is kept here as a record.
It is the 8th strongest of the 51 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 20 at 2:52PM EDT until June 20 at 3:00PM EDT by NWS Melbourne FL
An estimated 353,214 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 12, 2026 · score 43 · 6.6 km
- May 9, 2026 · score 43 · 8.3 km
- July 20, 2026 · score 43 · 8.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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 | 90% |
| Coordinates | 28.9809, -80.7854 |
| Nearest City | Edgewater (11 km) |
| Population Exposed | 353.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T18:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.ebd1f485b8d5ea3f2d5fa911a4017e0e |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Flagler Beach to Volusia-Brevard County Line 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Flagler Beach to Volusia-Brevard County Line 0-20 nm |
| Headline | Special Marine Warning issued June 20 at 2:52PM EDT until June 20 at 3:00PM EDT by NWS Melbourne FL |
| Expires | 2026-06-20T15:02:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ebd1f485b8d5ea3f2d5fa911a4017e0e1c9dfa3c.001.1","noaa_urn:oid:2.49.0.1.840.0.5ded08c2d22af452a48cc94e41c0abc2f8a40393.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | Orlando Exec Airport |
| Iem County | Orange |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Orlando Executive Airport measured a peak wind gust of 43MPH/37KT from the west at 1:30 PM. |
| MergedSources | [{"id":"iem_M_28.400_-80.650_1781974800000","source":"iem","severity":"low","severityValue":25,"timestamp":1781974800000,"latitude":28.4,"longitude":-80.65},{"id":"iem_G_28.550_-81.330_1781976600000","source":"iem","severity":"low","severityValue":25,"timestamp":1781976600000,"latitude":28.55,"longitude":-81.33}] |
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 Edgewater (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.