Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 13 May 2026 at 05:00 UTC. It is kept here as a record.

No stronger detection stands among the 40 recorded within 20 km of this point since 16 March 2026 — 37 others scored the same. 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 May 12 at 11:36PM EDT until May 13 at 1:00AM EDT by NWS Tallahassee FL

Nearby, since 16 March 2026

How we know

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

Our own score for this event is 22 out of 100, at 60 % 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)22 / 100
Our confidence60%
Coordinates29.3914, -84.7171
Nearest CityTallahassee (124 km)
Impact Tierminor
Timestamp2026-05-13T03:36:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.273cb5fe9dd9b0101ae38449c89e99eab2574dd1.001.1

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCoastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM
HeadlineSpecial Marine Warning issued May 12 at 11:36PM EDT until May 13 at 1:00AM EDT by NWS Tallahassee FL
Expires2026-05-13T01:00:00-04:00
SenderNameNWS Tallahassee FL
HasExactCoordstrue

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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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.