This alert expired on 15 March 2026 at 22:36 UTC. It is kept here as a record.
It is the 38th strongest of the 41 detections recorded within 20 km of this point since 15 March 2026. 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 March 15 at 6:26PM EDT until March 15 at 6:30PM EDT by NWS Jacksonville FL
An estimated 50,181 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 8, 2026 · score 43 · 4.4 km
- March 15, 2026 · score 43 · 8.9 km
- May 8, 2026 · score 43 · 11.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 80% |
| Coordinates | 29.2649, -81.6048 |
| Nearest City | DeLand (39 km) |
| Population Exposed | 50.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T22:26:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.95c92045d5b24ec4993d47edd0a25e04 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Marion, FL; Lake, FL; Volusia, FL |
| Headline | Severe Thunderstorm Warning issued March 15 at 6:26PM EDT until March 15 at 6:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-03-15T18:36:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.95c92045d5b24ec4993d47edd0a25e04636bc49e.001.1","noaa_urn:oid:2.49.0.1.840.0.3b77479036ee95c918b953d8f07d8b255fa9fd64.001.1"] |
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 8 March 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 in this area?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.