This alert expired on 18 July 2026 at 22:45 UTC. It is kept here as a record.
It is the 10th strongest of the 34 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 8 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 18 at 5:08PM CDT until July 18 at 5:45PM CDT by NWS Tallahassee FL
An estimated 90,901 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 19, 2026 · score 63 · 2.0 km
- March 17, 2026 · score 39 · 6.5 km
- March 16, 2026 · score 39 · 6.5 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 79 % 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 | 79% |
| Coordinates | 30.5450, -85.8363 |
| Nearest City | Lynn Haven (37 km) |
| Population Exposed | 90.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-18T22:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.42f2189a5c3238b03f12e07c7387e7b2 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bay, FL; Walton, FL; Bay, FL; Calhoun, FL; Jackson, FL; Washington, FL; Bay, FL; Holmes, FL; Walton, FL; Washington, FL |
| Headline | Severe Thunderstorm Warning issued July 18 at 5:08PM CDT until July 18 at 5:45PM CDT by NWS Tallahassee FL |
| Expires | 2026-07-18T17:45:00-05:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.42f2189a5c3238b03f12e07c7387e7b2e51704ce.001.1","noaa_urn:oid:2.49.0.1.840.0.8c58d7a7e2c6e21347ef48643665a6bea2c72289.001.1","noaa_urn:oid:2.49.0.1.840.0.c4b9dd34f9bb9d907c8c3d4a0223881f02860580.001.1"] |
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.