Right now
The most recent data we hold from NOAA arrived 6 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 4 July 2026 at 23:15 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 16 March 2026 — 8 others scored the same. The last comparable one was on 1 July 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 4 at 3:07PM CDT until July 4 at 6:15PM CDT by NWS Memphis TN
Urban PEI: 1,656,621 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 4, 2026 · score 52 · 12.4 km
- June 14, 2026 · score 46 · 13.3 km
- June 13, 2026 · score 46 · 13.3 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 52 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) | 52 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 35.2508, -89.6458 |
| Nearest City | Cordova (16 km) |
| Urban exposure index (PEI) | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T20:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fb5a54e9165885651d8d8b436361ba6eab8096fd.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: 2026-07-04T20:07:00.000Z.
First archived: 2026-07-04T23:10:46.307Z. 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 | Fayette, TN; Shelby, TN |
| Headline | Flash Flood Warning issued July 4 at 3:07PM CDT until July 4 at 6:15PM CDT by NWS Memphis TN |
| Expires | 2026-07-04T18:15:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| Iem TypeSummary | O |
| Iem City | 4 N Oakland |
| Iem County | Fayette |
| Iem State | TN |
| Iem Wfo | MEG |
| Iem Remark | Report of large trees down on Highway 194 near Feathers Chapel Rd. Time estimated on radar. |
| MergedSources | [{"id":"iem_D_34.910_-89.890_1783196700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783196700000,"latitude":34.91,"longitude":-89.89},{"id":"iem_O_34.780_-89.960_1783196700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783196700000,"latitude":34.78,"longitude":-89.96},{"id":"iem_D_34.960_-89.840_1783197960000","source":"iem","severity":"low","severityValue":25,"timestamp":1783197960000,"latitude":34.96,"longitude":-89.84},{"id":"iem_D_34.780_-89.960_1783196700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783196700000,"latitude":34.78,"longitude":-89.96},{"id":"iem_O_35.280_-89.500_1783196400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783196400000,"latitude":35.28,"longitude":-89.5}] |
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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