Nashville, Tennessee Revisions
MILEPOST 1042
Nashville's forecast for Saturday has moved 11°F colder
70°F in the 20260908T12:00Z run, 60°F in the 20260910T06:00Z — the 2nd-largest revision of the 7 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 21°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Saturday, September 19 at 12Z in Nashville, that trail runs from 70.5°F in the 20260908T12:00Z cycle to 59.6°F in the 20260910T06:00Z — a move of -10.9°F across 8 runs.
The change is about half the run's 10th-to-90th percentile spread, so the earlier forecast is still inside the current range of outcomes.
Model NBM-QMD, via api.weather.city /v1/history. Percentiles are the same run's own.
The numbers in this piece, with what they are measured against
| forecast revision for Saturday at 12Z api.weather.city /v1/history (nbm-qmd) |
-10.9 °F | normal 0.0 °F · 2 of 7 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
20.8 °F | normal 10.9 °F current run |
- Milepost
- 1042 · laid 2026-09-10T16:16:45Z
- Model
- nbm-qmd · cycle 20260910T06:00Z
- Desk
- revision v1
- Method
- the same valid time read from successive synoptic cycles; the move is last run minus first run
- Source
- https://api.weather.city/v1/history
- Digest
- e95d8569a05d4909a925e336854c61fbc7829b92da45c6716976bc969afef714
- Machine
- JSON