This alert expired on 15 March 2026 at 20:45 UTC. It is kept here as a record.
It is the 353rd strongest of the 478 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 36 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 3:54PM EDT until March 15 at 4:45PM EDT by NWS Melbourne FL
An estimated 326,504 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 18, 2026 · score 43 · 1.8 km
- March 16, 2026 · score 43 · 2.0 km
- June 14, 2026 · score 43 · 3.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 88 % 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) | 43 / 100 |
| Our confidence | 88% |
| Coordinates | 28.0833, -80.5904 |
| Nearest City | Melbourne (2 km) |
| Population Exposed | 326.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T19:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_2a57876846e5c7547ead3a7acf31a61e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Brevard, FL |
| Headline | Severe Thunderstorm Warning issued March 15 at 3:54PM EDT until March 15 at 4:45PM EDT by NWS Melbourne FL |
| Expires | 2026-03-15T16:45:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2a57876846e5c7547ead3a7acf31a61e077e2a29.001.1","noaa_urn:oid:2.49.0.1.840.0.8ea4775092610b118defad2b014f36fea3a40b1e.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 W Grant-Valkaria |
| Iem County | Brevard |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Off duty NWS employee reported dime to quarter sized hail near Ramblebrook St. in Malabar. |
| MergedSources | [{"id":"iem_G_28.080_-80.610_1773603120000","source":"iem","severity":"low","severityValue":25,"timestamp":1773603120000,"latitude":28.08,"longitude":-80.61},{"id":"iem_H_27.940_-80.600_1773603420000","source":"iem","severity":"low","severityValue":25,"timestamp":1773603420000,"latitude":27.94,"longitude":-80.6}] |
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 near Melbourne?
Calamity.live data shows a weather event with CalamityScore 43/100, near Melbourne (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.