Marmot Basin snow forecast

GEFS 0.5°, 31 members (control + 30 perturbations). Run 20261008T12Z. ECMWF EPS (ENS) 0.25°, 50 perturbed members · CC BY 4.0. Run 20261008T12Z. ECMWF AIFS ensemble 0.25°, 50 perturbed members of the AI forecast model · CC BY 4.0. Run 20261008T12Z. GFS 0.25°, the 4 most recent runs (6-hourly cycles) overlaid as members. Successive runs of one model, not perturbations. Run 20261008T12Z. ECMWF IFS 0.25°, the 3 most recent runs (00/12Z cycles) overlaid as members. Successive runs of one model, not perturbations · CC BY 4.0. Run 20261008T12Z. ECMWF AIFS 0.25°, the 4 most recent runs (6-hourly cycles) of the single AI forecast overlaid as members. Successive runs of one model, not perturbations · CC BY 4.0. Run 20261008T12Z. NOAA AI-GFS 0.25°, the 4 most recent runs (6-hourly cycles) overlaid as members. Successive runs of one model, not perturbations. Publishes no snow field. Run 20261008T12Z. Snow is each model's precipitation and temperature adjusted to 2,155 m. Read it as an estimate for that height. Totals count from Thu 9 PM, where the chart begins, so every model's total counts the same hours. The consensus lines pool every model with equal weight per model, so a 50-member ensemble does not outvote a 4-run set. The mode is the value the pooled lines cluster around most tightly; when it sits away from the median, the models have split into camps and the mode marks the bigger one. A dash in the readouts means that model does not cover the hour under the cursor.