Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

PutnamUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 19 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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