Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

PutnamUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 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 24 May 2026 at 00:45 UTC. It is kept here as a record.

No stronger detection stands among the 30 recorded within 20 km of this point since 15 March 2026 — 22 others scored the same. 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: Severe Thunderstorm Warning issued May 23 at 8:15PM EDT until May 23 at 8:45PM EDT by NWS Jacksonville FL

An estimated 203,432 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

Confirmed by 3 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 90 % 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)43 / 100
Our confidence90%
Coordinates29.5092, -82.0208
Nearest CityGainesville (33 km)
Population Exposed203.4K within 50 km
Impact Tiersignificant
Timestamp2026-05-24T00:15:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.56f363700d651034e9fd94125eb2e8b9

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescAlachua, FL; Bradford, FL; Union, FL; Marion, FL
HeadlineSevere Thunderstorm Warning issued May 23 at 8:15PM EDT until May 23 at 8:45PM EDT by NWS Jacksonville FL
Expires2026-05-23T20:45:00-04:00
SenderNameNWS Jacksonville FL
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.56f363700d651034e9fd94125eb2e8b90258487e.001.1","noaa_urn:oid:2.49.0.1.840.0.15e914e057cf1afecd6ce991e4e3ec6ad7d330ad.001.1"]
Iem TypeSummaryD
Iem City2 W Palatka
Iem CountyPutnam
Iem StateFL
Iem WfoJAX
Iem RemarkA storm spotter reported a large tree branch snapped off near the base of the trunk west of Palatka. Time was estimated by radar.
MergedSources[{"id":"iem_H_28.930_-81.880_1779580500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779580500000,"latitude":28.93,"longitude":-81.88},{"id":"iem_D_29.650_-81.690_1779574320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779574320000,"latitude":29.65,"longitude":-81.69}]

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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