Calamity
MediumSevere WeatherCalamity Score: 28

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 6 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 12 May 2026 at 17:45 UTC. It is kept here as a record.

It is the 3rd strongest of the 5 detections recorded within 20 km of this point since 12 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued May 12 at 1:15PM EDT until May 12 at 1:45PM EDT by NWS Tampa Bay Ruskin FL

An estimated 47,008 people live within 50 km of this point.

Nearby, since 12 May 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 28 out of 100, at 81 % 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)28 / 100
Our confidence81%
Coordinates28.2639, -83.2361
Nearest CityTarpon Springs (48 km)
Population Exposed47.0K within 50 km
Impact Tiersignificant
Timestamp2026-05-12T17:15:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.6047a13c885d9a7fff89f9feaf826165

Score Breakdown

35
intensity
40
population
0
cascading
18
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCoastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
HeadlineSpecial Marine Warning issued May 12 at 1:15PM EDT until May 12 at 1:45PM EDT by NWS Tampa Bay Ruskin FL
Expires2026-05-12T13:45:00-04:00
SenderNameNWS Tampa Bay Ruskin FL
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.6047a13c885d9a7fff89f9feaf82616507fa3b0b.002.1","noaa_urn:oid:2.49.0.1.840.0.34d4d6c4b43a3e05f0d92a43d5bde2b1a5b3d5b1.001.1"]

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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