Right now
The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 12 May 2026 at 17:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 39 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 12 at 12:32PM EDT until May 12 at 1:00PM EDT by NWS Melbourne FL
An estimated 1,379,567 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 12, 2026 · score 52 · 1.4 km
- July 17, 2026 · score 52 · 3.5 km
- May 12, 2026 · score 52 · 7.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 86 % 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) | 52 / 100 |
| Our confidence | 86% |
| Coordinates | 28.6081, -81.0803 |
| Nearest City | Alafaya (14 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T16:32:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.450e38163fdcb6bde02190800ce758fe |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Orange, FL; Seminole, FL |
| Headline | Severe Thunderstorm Warning issued May 12 at 12:32PM EDT until May 12 at 1:00PM EDT by NWS Melbourne FL |
| Expires | 2026-05-12T13:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.450e38163fdcb6bde02190800ce758feeaa104ca.001.1","noaa_urn:oid:2.49.0.1.840.0.6eee08c8a5ef0d909d59202482a41bd8af068554.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.75 |
| Iem Unit | Inch |
| Iem City | 2 SW Lake Mary |
| Iem County | Seminole |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Reports of pea to dime (0.75 in.) sized hail in the Lake Mary area. |
| MergedSources | [{"id":"iem_H_28.740_-81.360_1778599620000","source":"iem","severity":"low","severityValue":25,"timestamp":1778599620000,"latitude":28.74,"longitude":-81.36}] |
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.
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