Right now
The most recent data we hold from NOAA arrived 16 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 30 July 2026 at 20:45 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 30 at 3:39PM CDT until July 30 at 3:45PM CDT by NWS Tallahassee FL
Urban PEI: 58,442 within a heuristic 50 km radius; not unique people.
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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 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) | 39 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 30.3913, -85.4225 |
| Nearest City | Lynn Haven (27 km) |
| Urban exposure index (PEI) | 58.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-30T20:39:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2bf15ca04b44e27677ffb20c4891e1ade70a9ab0.002.1 |
Physical priority index · v1. 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: 2026-07-30T20:39:00.000Z.
First archived: 2026-07-30T20:44:02.379Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bay, FL; Calhoun, FL |
| Headline | Severe Thunderstorm Warning issued July 30 at 3:39PM CDT until July 30 at 3:45PM CDT by NWS Tallahassee FL |
| Expires | 2026-07-30T15:45:00-05:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 3 S Portland |
| Iem County | Walton |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | An ambient station (DJs Weather Station) gusted to 43 mph. |
| MergedSources | [{"id":"iem_G_30.460_-86.190_1785437640000","source":"iem","severity":"low","severityValue":25,"timestamp":1785437640000,"latitude":30.46,"longitude":-86.19},{"id":"iem_M_30.470_-86.190_1785437640000","source":"iem","severity":"low","severityValue":25,"timestamp":1785437640000,"latitude":30.47,"longitude":-86.19}] |
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.
Review the area, threshold and delivery channel in your account.
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