Snowfall Accumulation Forecasts
The following table shows the snowfall accumulation forecasts at Chamonix-Mont-Blanc across six different weather models. Click on the model names to learn more about each model. Italicized values signify a forecast for high winds (48 km/h or greater), which may affect lift operations.
Model \ Date | 17 Sun | 18 Mon | 19 Tue | 20 Wed | 21 Thu | 22 Fri | 23 Sat | 24 Sun | 25 Mon | 26 Tue | 27 Wed | 28 Thu | 29 Fri | 30 Sat | 1 Sun | Total |
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Best Match | 0 cm | 0 cm | 0 cm | 1 cm | 5 cm | 2 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 8 cm |
ECMWF IFS 04 | 0 cm | 0 cm | 0 cm | 18 cm | 10 cm | 18 cm | 0 cm | 0 cm | 0 cm | 2 cm | - | - | - | - | - | 46 cm |
GFS | 0 cm | 0 cm | 20 cm | 28 cm | 10 cm | 1 cm | 3 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 61 cm |
GEM | 0 cm | 0 cm | 5 cm | 20 cm | 10 cm | 4 cm | 0 cm | 0 cm | 0 cm | - | - | - | - | - | - | 38 cm |
JMA | 0 cm | 0 cm | 15 cm | 23 cm | 20 cm | 13 cm | 4 cm | 0 cm | 13 cm | 1 cm | 0 cm | - | - | - | - | 89 cm |
ICON | 0 cm | 0 cm | 0 cm | 1 cm | 5 cm | 2 cm | 0 cm | - | - | - | - | - | - | - | - | 8 cm |
MeteoFrance | 0 cm | 0 cm | 30 cm | 5 cm | - | - | - | - | - | - | - | - | - | - | - | 36 cm |
Average | 0 cm | 0 cm | 13 cm | 15 cm | 10 cm | 8 cm | 1 cm | 0 cm | 3 cm | 1 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 51 cm |
Snowfall Prediction History (Estimated)
Model \ Date | 7 Thu | 8 Fri | 9 Sat | 10 Sun | 11 Mon | 12 Tue | 13 Wed | 14 Thu | 15 Fri | 16 Sat | Total |
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Best Match | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm |
ECMWF IFS 04 | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm |
GFS | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm |
GEM | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm |
JMA | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 5 cm | 0 cm | 0 cm | 0 cm | 0 cm | 5 cm |
ICON | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm |
MeteoFrance | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm |
Average | 0 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm | 0 cm | 0 cm | 0 cm | 0 cm | 2 cm |