Salt Lake City, Utah Revisions
MILEPOST 1379
Salt Lake City's forecast for Tuesday has moved 9°F warmer
56°F in the 20261012T06:00Z run, 65°F in the 20261014T00:00Z — 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 20°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Tuesday, October 20 at 18Z in Salt Lake City, that trail runs from 55.9°F in the 20261012T06:00Z cycle to 65.2°F in the 20261014T00:00Z — a move of +9.3°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 18Z api.weather.city /v1/history (nbm-qmd) |
9.3 °F | normal 0.0 °F · 2 of 7 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
20.1 °F | normal 9.3 °F current run |
- Milepost
- 1379 · laid 2026-10-14T10:25:16Z
- Model
- nbm-qmd · cycle 20261014T00:00Z
- 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
- 85dab363bce31c9fecfda6fd15c2d178b2d2dde18a53c7e408d8e8f3efc10d03
- Machine
- JSON