This alert is in force until 2 September 2026, 03:00 UTC.
It is the 60th strongest of the 79 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 9 August 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 109 expected. * WHERE...A portion of Middle Tennessee. * WHEN...From 11 AM Wednesday to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
An estimated 1,312,539 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 20, 2026 · score 52 · 4.3 km
- July 22, 2026 · score 52 · 8.9 km
- July 2, 2026 · score 52 · 14.2 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 69 % 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) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 35.9968, -86.9070 |
| Nearest City | Franklin (8 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-02T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-02T11:00:00-05:00 |
| Expires | 2026-09-01T22:00:00-05:00 |
| AreaDesc | Stewart; Montgomery; Robertson; Sumner; Macon; Clay; Houston; Humphreys; Dickson; Cheatham; Davidson; Wilson; Trousdale; Smith; Jackson; Putnam; Overton; Perry; Hickman; Lewis; Williamson; Maury; Marshall; Rutherford; Cannon; De Kalb; White; Bedford; Coffee; Warren; Wayne; Lawrence; Giles |
| SenderName | NWS Nashville TN |
| ZonesUsedForCentroid | 11 |
| ZoneCount | 33 |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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.
Want to know when something happens near Franklin?
Calamity.live data shows a weather event with CalamityScore 46/100, near Franklin (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.