This alert expired on 17 July 2026 at 20:51 UTC. It is kept here as a record.
No stronger detection stands among the 39 recorded within 20 km of this point since 15 March 2026 — 30 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 17 at 4:41PM EDT until July 17 at 4:45PM EDT by NWS Jacksonville FL
An estimated 203,432 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 24, 2026 · score 43 · 1.5 km
- March 16, 2026 · score 43 · 5.0 km
- March 17, 2026 · score 43 · 16.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % 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 | 80% |
| Coordinates | 29.5386, -82.0343 |
| Nearest City | Gainesville (30 km) |
| Population Exposed | 203.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T20:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cf69df0dc6e4c2cf1f61316e0f12033a32b4b524.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alachua, FL; Marion, FL; Putnam, FL |
| Headline | Severe Thunderstorm Warning issued July 17 at 4:41PM EDT until July 17 at 4:45PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-17T16:51:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
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, near Gainesville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.