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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 30 July 2026 at 06:15 UTC. It is kept here as a record.
It is the 18th strongest of the 35 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 18 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 30 at 12:11AM EDT until July 30 at 2:15AM EDT by NWS Tallahassee FL
Nearby, since 16 March 2026
- May 7, 2026 · score 63 · 12.7 km
- March 17, 2026 · score 39 · 13.2 km
- March 16, 2026 · score 39 · 13.2 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.71/1 |
| Coordinates | 30.7056, -85.8467 |
| Nearest City | Santa Rosa Beach (50 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-30T04:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d48275ae42b08425ac8639d34b3960ed54655d08.001.1 |
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: 2026-07-30T04:11:00.000Z.
First archived: 2026-07-30T04:57:38.264Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Holmes, FL; Walton, FL; Washington, FL |
| Headline | Flash Flood Warning issued July 30 at 12:11AM EDT until July 30 at 2:15AM EDT by NWS Tallahassee FL |
| Expires | 2026-07-30T02:15:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 SW Marianna |
| Spc County | Jackson |
| Spc State | FL |
| Spc Comments | Tree down near Kynesville Road and Fairview Road. (TAE) |
| MergedSources | [{"id":"spc_wind_30.63_-85.18_74","source":"spc","severity":"medium","severityValue":45,"timestamp":1785372000000,"latitude":30.63,"longitude":-85.18},{"id":"spc_wind_30.59_-85.09_79","source":"spc","severity":"medium","severityValue":45,"timestamp":1785372900000,"latitude":30.59,"longitude":-85.09},{"id":"spc_wind_30.75_-85.28_84","source":"spc","severity":"medium","severityValue":45,"timestamp":1785373500000,"latitude":30.75,"longitude":-85.28}] |
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.
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