Right now
The most recent data we hold from NOAA arrived 3 hours 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 5 July 2026 at 23:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 43 detections recorded within 20 km of this point since 16 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: Flash Flood Warning issued July 5 at 4:47PM EDT until July 5 at 7:45PM EDT by NWS Jacksonville FL
Urban PEI: 32,644 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- June 10, 2026 · score 39 · 9.5 km
- June 19, 2026 · score 34 · 15.1 km
- July 5, 2026 · score 34 · 16.7 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 31.2214, -81.5314 |
| Nearest City | Brunswick (9 km) |
| Urban exposure index (PEI) | 32.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T20:47:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d516a8b624f0ecf8deca0454f9ec8b8500e6f628.001.1 |
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: 2026-07-05T20:47:00.000Z.
First archived: 2026-07-05T21:00:38.696Z. 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 | Glynn, GA |
| Headline | Flash Flood Warning issued July 5 at 4:47PM EDT until July 5 at 7:45PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-05T19:45:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 3 N Country Club Estate |
| Iem County | Glynn |
| Iem State | GA |
| Iem Wfo | JAX |
| Iem Remark | AWOS station KBQK Brunswick Golden Isles Airport. |
| MergedSources | [{"id":"iem_H_30.630_-81.550_1783277700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783277700000,"latitude":30.63,"longitude":-81.55},{"id":"iem_G_31.250_-81.470_1783281300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783281300000,"latitude":31.25,"longitude":-81.47}] |
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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