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. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 23 at 8:26PM 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
- July 17, 2026 · score 43 · 1.5 km
- March 16, 2026 · score 43 · 5.0 km
- March 17, 2026 · score 43 · 17.0 km
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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 29.5261, -82.0289 |
| Nearest City | Gainesville (31 km) |
| Population Exposed | 203.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-24T00:26:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0b2fcda6861e2a8cef78a8c025fd420b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bradford, FL; Union, FL; Marion, FL |
| Headline | Severe Thunderstorm Warning issued May 23 at 8:26PM EDT until May 23 at 8:45PM EDT by NWS Jacksonville FL |
| Expires | 2026-05-23T20:45:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0b2fcda6861e2a8cef78a8c025fd420b84fd884c.002.1","noaa_urn:oid:2.49.0.1.840.0.64a0bd6537359d0ad925b5883e5673980b728c3d.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 W Palatka |
| Iem County | Putnam |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | A 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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.