This alert expired on 24 June 2026 at 19:00 UTC. It is kept here as a record.
No stronger detection stands among the 17 recorded within 20 km of this point since 7 April 2026 — 13 others scored the same. The last comparable one was on 23 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 24 at 2:46PM EDT until June 24 at 3:00PM EDT by NWS Melbourne FL
An estimated 351,222 people live within 50 km of this point.
Nearby, since 7 April 2026
- August 4, 2026 · score 43 · 3.4 km
- July 26, 2026 · score 43 · 4.6 km
- July 5, 2026 · score 43 · 5.6 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 | 27.7304, -80.7093 |
| Nearest City | Sebastian (26 km) |
| Population Exposed | 351.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-24T18:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fb36ef96ac13df9ae96ef2e55ebf17b4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Orange, FL; Osceola, FL; Palm Beach, FL; Brevard, FL |
| Headline | Severe Thunderstorm Warning issued June 24 at 2:46PM EDT until June 24 at 3:00PM EDT by NWS Melbourne FL |
| Expires | 2026-06-24T15:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fb36ef96ac13df9ae96ef2e55ebf17b4592ac177.001.1","noaa_urn:oid:2.49.0.1.840.0.db15871b55993d188b98711c46cbf5c1694bdb6a.001.1","noaa_urn:oid:2.49.0.1.840.0.6c893556f11769ed7dd0546566060324286004f8.001.1"] |
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 43/100, near Sebastian (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.