Right now
The most recent data we hold from NOAA arrived 35 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 30 July 2026 at 22:45 UTC. It is kept here as a record.
It is the 101st strongest of the 200 detections recorded within 20 km of this point since 12 March 2026. 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 July 30 at 5:53PM EDT until July 30 at 6:45PM EDT by NWS Tallahassee FL
Urban PEI: 201,731 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- March 17, 2026 · score 49 · 8.3 km
- July 27, 2026 · score 43 · 9.7 km
- July 30, 2026 · score 43 · 12.6 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 30.4883, -84.3125 |
| Nearest City | Tallahassee (6 km) |
| Urban exposure index (PEI) | 201.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-30T21:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.92e9f493d8484bff225bf2da6962a0e1cdf378fc.001.1 |
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: 2026-07-30T21:53:00.000Z.
First archived: 2026-07-30T22:30:52.591Z. 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 | Gadsden, FL; Leon, FL |
| Headline | Severe Thunderstorm Warning issued July 30 at 5:53PM EDT until July 30 at 6:45PM EDT by NWS Tallahassee FL |
| Expires | 2026-07-30T18:45:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 2 NNW Mission San Luis |
| Iem County | Leon |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | Tree down on road at Havenbrook Ct and Trimble Rd. |
| MergedSources | [{"id":"iem_D_30.530_-84.220_1785448980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785448980000,"latitude":30.53,"longitude":-84.22},{"id":"iem_G_30.970_-84.630_1785445080000","source":"iem","severity":"low","severityValue":25,"timestamp":1785445080000,"latitude":30.97,"longitude":-84.63},{"id":"iem_D_30.480_-84.340_1785449880000","source":"iem","severity":"low","severityValue":25,"timestamp":1785449880000,"latitude":30.48,"longitude":-84.34}] |
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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