Calgary: notable disagreement by day 3
Four forecasts from the 16 Sep 12Z run: ECMWF's learned model (AIFS), its physics model (HRES), Google DeepMind's WeatherNext 2, and the ECMWF ensemble mean, with the ensemble's 10–90% range shaded behind them.
Driven by temperature. 50 means the models disagree as much as the ensemble expects.
Disagreement by day
How it's measuredDay number after the run. Hover a chip for the date and the variable behind it.
2 m temperature, every model
Hover or tap the chart to read each model at that hour. The grey band is the range the ensemble puts 80% of its members in.
Day by day
Each model's high and low for the 24 hours ending at the time shown, °C. Δ is how much that model's high moved since its previous run, twelve hours earlier.
| Day | DI | AIFS | HRES | WN2 | ENS mean | ENS range | Spread of highs |
|---|---|---|---|---|---|---|---|
| Day 1to Thu 17 12Z | 37temperature | 18° 3°Δ +1 | 15° 6°Δ 0 | 17° 5°Δ 0 | 15° 5°Δ 0 | 15–15° | 3° |
| Day 2to Fri 18 12Z | 40temperature | 20° 5°Δ 0 | 18° 6°Δ 0 | 20° 5°Δ 0 | 18° 7°Δ 0 | 18–18° | 2° |
| Day 3to Sat 19 12Z | 53temperature | 20° 5°Δ 0 | 17° 9°Δ -1 | 20° 7°Δ 0 | 18° 8°Δ 0 | 17–18° | 3° |
| Day 4to Sun 20 12Z | 50temperature | 21° 6°Δ 0 | 18° 7°Δ -1 | 22° 9°Δ 0 | 19° 8°Δ 0 | 18–20° | 4° |
| Day 5to Mon 21 12Z | 43temperature | 22° 7°Δ 0 | 20° 9°Δ 0 | 24° 9°Δ +1 | 20° 8°Δ +1 | 19–21° | 4° |
| Day 6to Tue 22 12Z | 43temperature | 24° 9°Δ +1 | 21° 9°Δ 0 | 26° 10°Δ +1 | 21° 9°Δ +1 | 20–22° | 5° |
| Day 7to Wed 23 12Z | 29temperature | 19° 6°Δ +1 | 21° 7°Δ +4 | 20° 8°Δ +1 | 18° 8°Δ +1 | 15–21° | 3° |
| Day 8to Thu 24 12Z | 39pressure | 21° 10°Δ 0 | 16° 7°Δ 0 | 21° 8°Δ +2 | 17° 7°Δ 0 | 13–21° | 5° |
| Day 9to Fri 25 12Z | 25pressure | 16° 8°Δ -3 | 16° 7°Δ -2 | 21° 8°Δ +1 | 17° 7°Δ 0 | 13–21° | 5° |
| Day 10to Sat 26 12Z | 35temperature | 12° 7°Δ -3 | 22° 9°Δ +2 | 21° 9°Δ +1 | 15° 6°Δ 0 | 10–20° | 10° |
Open this place on the map
Values are what Forecast Euro's ingest sampled from each model's grid at this city, rounded to whole degrees at source. This page compares models; it is not a forecast to plan by.