Salt Lake City, Utah Revisions
MILEPOST 1435
Salt Lake City's forecast for Tuesday has moved 7°F warmer
52°F in the 20261017T06:00Z run, 59°F in the 20261019T00:00Z — the 3rd-largest revision of the 5 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 17°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Tuesday, October 27 at 00Z in Salt Lake City, that trail runs from 52.3°F in the 20261017T06:00Z cycle to 59.4°F in the 20261019T00:00Z — a move of +7.2°F across 8 runs.
The change sits well inside the run's own spread, which is the guidance converging rather than reversing.
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 Tuesday at 00Z api.weather.city /v1/history (nbm-qmd) |
7.2 °F | normal 0.0 °F · 3 of 5 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
16.8 °F | normal 7.2 °F current run |
- Milepost
- 1435 · laid 2026-10-19T10:25:20Z
- Model
- nbm-qmd · cycle 20261019T00:00Z
- 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
- 1a26993c0fa19e351aa0e9371bf8aeae9c1925ed6b1be2926808dea3f4e5a094
- Machine
- JSON