Right now
The most recent data we hold from NOAA arrived 1 minute 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 20 July 2026 at 00:46 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same. The last comparable one was on 19 July 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 19 at 7:36PM CDT until July 19 at 7:45PM CDT by NWS Nashville TN
An estimated 32,113 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 6, 2026 · score 16 · 19.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 81% |
| Coordinates | 35.7762, -85.5831 |
| Nearest City | Cookeville (43 km) |
| Population Exposed | 32.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T00:36:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.1915bab3e0789fc6643bcdfdc2a0dee1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cumberland, TN; Davidson, TN; Rutherford, TN; Williamson, TN; Cheatham, TN; Davidson, TN; Williamson, TN and 3 more areas |
| Headline | Flash Flood Warning issued July 19 at 7:36PM CDT until July 19 at 7:45PM CDT by NWS Nashville TN |
| Expires | 2026-07-19T19:46:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1915bab3e0789fc6643bcdfdc2a0dee14662f416.001.1","noaa_urn:oid:2.49.0.1.840.0.b91bd000eca0ce1094bf8bd7990e8ab895f2d396.001.1","noaa_urn:oid:2.49.0.1.840.0.89d47cf9bd5eca23b7ba01de71e8e6913020cf1e.001.1","noaa_urn:oid:2.49.0.1.840.0.ab0f1c3ca58a3548ed12ce15486f7b9a26ef45f4.001.1","noaa_urn:oid:2.49.0.1.840.0.2aa7482f574bf06417d34279770a57e1b82e4362.001.1","noaa_urn:oid:2.49.0.1.840.0.d54240b994e44b90f9d4ad55575d49f570964450.001.1"] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.