This alert expired on 21 June 2026 at 23:00 UTC. It is kept here as a record.
It is the 4th strongest of the 24 detections recorded within 20 km of this point since 22 March 2026. The last comparable one was on 19 June 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 21 at 5:19PM CDT until June 21 at 6:00PM CDT by NWS Tallahassee FL
An estimated 58,442 people live within 50 km of this point.
Nearby, since 22 March 2026
- June 16, 2026 · score 58 · 12.5 km
- July 8, 2026 · score 39 · 15.5 km
- July 30, 2026 · score 39 · 17.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 30.5120, -85.5370 |
| Nearest City | Lynn Haven (31 km) |
| Population Exposed | 58.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T22:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bc7676d45b84782648606a78fa5acfa924c5228f.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bay, FL; Calhoun, FL; Washington, FL |
| Headline | Severe Thunderstorm Warning issued June 21 at 5:19PM CDT until June 21 at 6:00PM CDT by NWS Tallahassee FL |
| Expires | 2026-06-21T18:00:00-05:00 |
| 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.
Calamity.live data shows a weather event with CalamityScore 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.