This alert expired on 15 March 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 March 2026 — 13 others scored the same. 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 4:51PM EDT until March 15 at 5:00PM EDT by NWS Melbourne FL
An estimated 1,131,575 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 24, 2026 · score 52 · 4.9 km
- July 13, 2026 · score 52 · 5.5 km
- June 2, 2026 · score 52 · 8.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 77 % 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) | 52 / 100 |
| Our confidence | 77% |
| Coordinates | 28.3687, -81.1190 |
| Nearest City | Saint Cloud (21 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T20:51:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_d2dccc11e871a92843d5a64290c0afb3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Brevard, FL; Orange, FL; Osceola, FL |
| Headline | Severe Thunderstorm Warning issued March 15 at 4:51PM EDT until March 15 at 5:00PM EDT by NWS Melbourne FL |
| Expires | 2026-03-15T17:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d2dccc11e871a92843d5a64290c0afb333f3bd51.001.1","noaa_urn:oid:2.49.0.1.840.0.619f90c44e73079fae5be205dbfc453e9e2e5ebb.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 52/100, near Saint Cloud (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.