Salt Lake City, Utah Revisions
MILEPOST 1443
Salt Lake City's forecast for Thursday has moved 7°F warmer
50°F in the 20261018T06:00Z run, 57°F in the 20261020T00:00Z — the 2nd-largest revision of the 4 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 15°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Thursday, October 29 at 00Z in Salt Lake City, that trail runs from 50.0°F in the 20261018T06:00Z cycle to 57.1°F in the 20261020T00:00Z — a move of +7.1°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 Thursday at 00Z api.weather.city /v1/history (nbm-qmd) |
7.1 °F | normal 0.0 °F · 2 of 4 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
15.3 °F | normal 7.1 °F current run |
- Milepost
- 1443 · laid 2026-10-20T10:25:18Z
- Model
- nbm-qmd · cycle 20261020T00:00Z
- 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
- 34cee8c1c662763957f03f1ed2c6bfe960c6c1ffab3685bdeb2c1ff3a3f4e3e0
- Machine
- JSON