This alert expired on 13 March 2026 at 20:00 UTC. It is kept here as a record.
It is one of only 3 we have recorded within 20 km of this point since 13 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 13 at 1:52PM EDT until March 13 at 4:00PM EDT by NWS Miami FL
Nearby, since 13 March 2026
- August 29, 2026 · score 43 · 21.1 km
- March 13, 2026 · score 43 · 24.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 64 % 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) | 22 / 100 |
| Our confidence | 64% |
| Coordinates | 26.4943, -79.4643 |
| Nearest City | Boynton Beach (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-13T17:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_0911531aca4535d615c34ef2692c3ed73e1927a0_001_1 |
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 |
| Headline | Special Marine Warning issued March 13 at 1:52PM EDT until March 13 at 4:00PM EDT by NWS Miami FL |
| Expires | 2026-03-13T16:00:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| Iem TypeSummary | E |
| Iem City | 2 E Riviera Beach |
| Iem County | Palm Beach |
| Iem State | FL |
| Iem Wfo | MFL |
| Iem Remark | Social media post showed several flooded roads in Riviera Beach due to heavy rainfall. This includes US 1 and Congress Ave. |
| MergedSources | [{"id":"iem_E_26.780_-80.050_1773411300000","source":"iem","severity":"low","severityValue":25,"timestamp":1773411300000,"latitude":26.78,"longitude":-80.05}] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.