This alert expired on 18 July 2026 at 00:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 30 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 11 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 17 at 7:40PM EDT until July 17 at 8:45PM EDT by NWS Tallahassee FL
An estimated 201,731 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 29, 2026 · score 43 · 10.9 km
- July 31, 2026 · score 43 · 11.0 km
- June 21, 2026 · score 43 · 16.0 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 | 30.1700, -84.0014 |
| Nearest City | Tallahassee (40 km) |
| Population Exposed | 201.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T23:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.491fe02b3619dc8f69c5bc283a0df79771d07267.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, FL; Leon, FL; Madison, FL; Taylor, FL; Wakulla, FL |
| Headline | Severe Thunderstorm Warning issued July 17 at 7:40PM EDT until July 17 at 8:45PM EDT by NWS Tallahassee FL |
| Expires | 2026-07-17T20:45:00-04:00 |
| SenderName | NWS Tallahassee 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.
Want to know when something happens near Tallahassee?
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 187 scientific monitoring sources.