This alert expired on 31 July 2026 at 18:45 UTC. It is kept here as a record.
It is the 4th strongest of the 69 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 July 31 at 1:48PM EDT until July 31 at 2:45PM EDT by NWS Jacksonville FL
An estimated 338,016 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 20, 2026 · score 43 · 2.3 km
- July 30, 2026 · score 43 · 2.4 km
- July 5, 2026 · score 43 · 4.8 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 92 % 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 | 92% |
| Coordinates | 29.1141, -80.8703 |
| Nearest City | New Smyrna Beach (11 km) |
| Population Exposed | 338.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-31T17:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.0f7c8b2533fb15eab44f0b4064ecae2d |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from St. Augustine to Flagler Beach FL out 20 NM; Flagler Beach to Volusia-Brevard County Line 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued July 31 at 1:48PM EDT until July 31 at 2:45PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-31T14:45:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0f7c8b2533fb15eab44f0b4064ecae2d2eef88ca.001.1","noaa_urn:oid:2.49.0.1.840.0.1080f9ac5f5d8bd7dd36123bd001c82059bdc18b.001.1","noaa_urn:oid:2.49.0.1.840.0.19aedc46a71de54b62f2eff025b820afa89c7559.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 53 |
| Iem Unit | MPH |
| Iem City | 4 ESE Kennedy Space Cen |
| Iem County | Brevard |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | USSF wind sensor on tower 110 (SE Sensor) measured a peak wind gust of 53MPH/46KT from the west at 1:55 PM. Sensor elevation is 54 feet. |
| MergedSources | [{"id":"iem_G_29.180_-81.070_1785517980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785517980000,"latitude":29.18,"longitude":-81.07},{"id":"iem_M_28.560_-80.670_1785520200000","source":"iem","severity":"low","severityValue":25,"timestamp":1785520200000,"latitude":28.56,"longitude":-80.67},{"id":"iem_M_28.530_-80.770_1785519300000","source":"iem","severity":"low","severityValue":25,"timestamp":1785519300000,"latitude":28.53,"longitude":-80.77},{"id":"iem_M_28.560_-80.670_1785519900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785519900000,"latitude":28.56,"longitude":-80.67},{"id":"iem_M_28.630_-80.700_1785519600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785519600000,"latitude":28.63,"longitude":-80.7},{"id":"iem_M_28.610_-80.670_1785519600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785519600000,"latitude":28.61,"longitude":-80.67},{"id":"iem_M_28.640_-80.750_1785519600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785519600000,"latitude":28.64,"longitude":-80.75},{"id":"iem_M_28.570_-80.590_1785520500000","source":"iem","severity":"low","severityValue":25,"timestamp":1785520500000,"latitude":28.57,"longitude":-80.59}] |
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 New Smyrna Beach?
Calamity.live data shows a weather event with CalamityScore 43/100, near New Smyrna Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.