Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is in it.
This alert is in force until 26 September 2026, 01:00 UTC.
What the source measured
NOAA reported: Flood Warning issued September 24 at 8:56PM EDT by NWS Melbourne FL
Urban PEI: 186,103 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 29.1070, -81.9850 |
| Nearest City | Ocala (18 km) |
| Urban exposure index (PEI) | 186.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-25T00:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.223828a80c7e006bd29ddadf9ce2b3acb9a41828.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-25T00:56:00.000Z.
First archived: 2026-09-25T01:00:39.004Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-25T08:30:57.161Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-25T08:20:12.484Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-25T07:58:10.230Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-25T06:04:52.079Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-25T01:06:18.188Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lake, FL; Volusia, FL; Citrus, FL; Levy, FL; Marion, FL |
| Headline | Flood Warning issued September 24 at 8:56PM EDT by NWS Melbourne FL |
| Expires | 2026-09-25T21:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.223828a80c7e006bd29ddadf9ce2b3acb9a41828.001.1","noaa_urn:oid:2.49.0.1.840.0.66e084198d594cc2727173ead1d75280863d3db3.001.1"] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Review the area, threshold and delivery channel in your account.
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