Dallas, Texas Revisions
MILEPOST 1257
Dallas's forecast for Monday has moved 10°F warmer
76°F in the 20260930T12:00Z run, 86°F in the 20260930T18:00Z — the 3rd-largest revision of the 9 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 Monday, October 12 at 00Z in Dallas, that trail runs from 76.0°F in the 20260930T12:00Z cycle to 85.6°F in the 20260930T18:00Z — a move of +9.6°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 Monday at 00Z api.weather.city /v1/history (nbm-qmd) |
9.6 °F | normal 0.0 °F · 3 of 9 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
17.4 °F | normal 9.6 °F current run |
- Milepost
- 1257 · laid 2026-10-01T05:25:11Z
- Model
- nbm-qmd · cycle 20260930T18:00Z
- 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
- a9bfd33404809feed9e17b93fcca55a9692fb4a6560783c5336e9e535096d747
- Machine
- JSON