This alert expired on 8 August 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 15 March 2026 — 9 others scored the same. The last comparable one was on 17 July 2026.
What the source measured
NOAA reported: Flash Flood Warning issued August 7 at 5:22PM CDT until August 7 at 8:15PM CDT by NWS Nashville TN
An estimated 1,288,921 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 10, 2026 · score 46 · 6.3 km
- March 15, 2026 · score 52 · 11.8 km
- July 3, 2026 · score 46 · 12.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 87 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 87% |
| Coordinates | 35.9967, -86.3689 |
| Nearest City | Smyrna (14 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.77dbdef3cc98bd0cb16fe68987d72a698049d3df.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Davidson, TN; Rutherford, TN; Williamson, TN; Wilson, TN |
| Headline | Flash Flood Warning issued August 7 at 5:22PM CDT until August 7 at 8:15PM CDT by NWS Nashville TN |
| Expires | 2026-08-07T20:15:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 6 W Murfreesboro |
| Iem County | Rutherford |
| Iem State | TN |
| Iem Wfo | OHX |
| Iem Remark | a few trees down in the Kingdom Ridge subdivision. Time is radar estimated. |
| MergedSources | [{"id":"iem_F_35.920_-86.520_1786142160000","source":"iem","severity":"low","severityValue":25,"timestamp":1786142160000,"latitude":35.92,"longitude":-86.52},{"id":"iem_D_35.840_-86.490_1786141560000","source":"iem","severity":"low","severityValue":25,"timestamp":1786141560000,"latitude":35.84,"longitude":-86.49}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Smyrna (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.