Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 43 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 10 May 2026 at 01:45 UTC. It is kept here as a record.

It is the 6th strongest of the 15 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 16 March 2026.

What the source measured

NOAA reported: Special Marine Warning issued May 9 at 8:16PM EDT until May 9 at 9:45PM EDT by NWS Melbourne FL

An estimated 77,380 people live within 50 km of this point.

Nearby, since 12 March 2026

How we know

Confirmed by 3 independent sources, including NOAA.

Our own score for this event is 39 out of 100, at 89 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)39 / 100
Our confidence89%
Coordinates28.5246, -80.2872
Nearest CityMerritt Island (43 km)
Population Exposed77.4K within 50 km
Impact Tiersignificant
Timestamp2026-05-10T00:16:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.74ed8a9d870999b9cb1ad62fd077d894

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescVolusia-Brevard County Line to Sebastian Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 20-60 nm
HeadlineSpecial Marine Warning issued May 9 at 8:16PM EDT until May 9 at 9:45PM EDT by NWS Melbourne FL
Expires2026-05-09T21:45:00-04:00
SenderNameNWS Melbourne FL
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.74ed8a9d870999b9cb1ad62fd077d89455349fdb.001.1","noaa_urn:oid:2.49.0.1.840.0.4164206a50ab9bda845a35fa6be352933bb11bbe.001.1"]
Iem TypeSummaryM
Iem Magnitude39
Iem UnitMPH
Iem City2 WSW Port Canaveral
Iem CountyAMZ552
Iem StateFL
Iem WfoMLB
Iem RemarkUSSF wind sensor on tower 300 measured a peak wind gust of 39MPH/34KT from the south at 7:25 PM. Sensor elevation is 54 feet.
MergedSources[{"id":"iem_G_28.740_-80.700_1778366100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778366100000,"latitude":28.74,"longitude":-80.7},{"id":"iem_M_28.400_-80.650_1778369100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778369100000,"latitude":28.4,"longitude":-80.65}]

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.

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