This alert expired on 4 August 2026 at 23:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 75 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 4 at 6:08PM EDT until August 4 at 7:30PM EDT by NWS Melbourne FL
An estimated 249,542 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 10, 2026 · score 43 · 0.4 km
- June 2, 2026 · score 43 · 4.9 km
- August 4, 2026 · score 43 · 6.1 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 29.2203, -80.8932 |
| Nearest City | Daytona Beach (12 km) |
| Population Exposed | 249.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-04T22:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a4d338d9dbb2949b1235e3aaa98ec9b6 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Flagler Beach to Volusia-Brevard County Line 0-20 nm |
| Headline | Special Marine Warning issued August 4 at 6:08PM EDT until August 4 at 7:30PM EDT by NWS Melbourne FL |
| Expires | 2026-08-04T19:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a4d338d9dbb2949b1235e3aaa98ec9b6f4d0bbed.002.1","noaa_urn:oid:2.49.0.1.840.0.d7b8f8b8c86e2dfb5417395c68169737cc5e4fc9.001.1"] |
| Iem TypeSummary | E |
| Iem City | 5 NNW Edgewater |
| Iem County | Volusia |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Spotter reports 3 inches of water on roadways. |
| MergedSources | [{"id":"iem_G_28.640_-80.750_1785877800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785877800000,"latitude":28.64,"longitude":-80.75},{"id":"iem_M_28.640_-80.750_1785877500000","source":"iem","severity":"low","severityValue":25,"timestamp":1785877500000,"latitude":28.64,"longitude":-80.75},{"id":"iem_E_29.030_-80.930_1785881940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785881940000,"latitude":29.03,"longitude":-80.93}] |
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.
Want to know when something happens near Daytona Beach?
Calamity.live data shows a weather event with CalamityScore 43/100, near Daytona Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.