Right now
The most recent data we hold from NOAA arrived 21 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 31 July 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 14 recorded within 20 km of this point since 8 April 2026 — 10 others scored the same. The last comparable one was on 27 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 31 at 4:59PM EDT until July 31 at 5:30PM EDT by NWS Miami FL
An estimated 636,449 people live within 50 km of this point.
Nearby, since 8 April 2026
- July 12, 2026 · score 48 · 12.9 km
- June 9, 2026 · score 48 · 13.2 km
- June 15, 2026 · score 48 · 14.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 91% |
| Coordinates | 26.9497, -79.9180 |
| Nearest City | Jupiter (17 km) |
| Population Exposed | 636.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-31T20:59:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.92428b203a4f42539fcd8e7c3ae234e0 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM; Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM; Sebastian Inlet to Jupiter Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 20-60 nm |
| Headline | Special Marine Warning issued July 31 at 4:59PM EDT until July 31 at 5:30PM EDT by NWS Miami FL |
| Expires | 2026-07-31T17:30:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.92428b203a4f42539fcd8e7c3ae234e061ba3d33.001.1","noaa_urn:oid:2.49.0.1.840.0.2d74970c75c121feb6d0175c317be0167b1102d1.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | 2 NE Snug Harbor |
| Iem County | AMZ555 |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | The WeatherFlow site XJEN Jensen Beach measured a wind gust of 47MPH/41KTS from the west-northwest at 3:44 pm. |
| MergedSources | [{"id":"iem_M_27.220_-80.200_1785527940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785527940000,"latitude":27.22,"longitude":-80.2},{"id":"iem_M_27.220_-80.200_1785527040000","source":"iem","severity":"low","severityValue":25,"timestamp":1785527040000,"latitude":27.22,"longitude":-80.2}] |
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 8 March 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 Jupiter?
Calamity.live data shows a weather event with CalamityScore 48/100, near Jupiter (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.