The following table shows the snowfall accumulation forecasts at Alyeska across six different weather models. Click on the model names to learn more about each model. Italicized values signify a forecast for high winds (30mph or greater), which may affect lift operations.
Model \ Date | 10 Tue | 11 Wed | 12 Thu | 13 Fri | 14 Sat | 15 Sun | 16 Mon | 17 Tue | 18 Wed | 19 Thu | 20 Fri | 21 Sat | 22 Sun | 23 Mon | 24 Tue | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Best Match | 0" | 3" | 2" | 0" | 0" | 0" | 0.3" | 0" | 0.1" | 0.3" | 0.4" | 0" | 0.7" | 7" | 1.7" | 16" |
ECMWF IFS 04 | 0" | 7" | 4" | 1" | 0.3" | 3" | 18" | 9" | 0.5" | 1.4" | - | - | - | - | - | 43" |
GFS | 2" | 14" | 3" | 0.2" | 0.2" | 0.5" | 0.1" | 0" | 0.1" | 0.3" | 0.4" | 0" | 0.7" | 7" | 1.7" | 31" |
GEM | 0" | 0" | 3" | 0.9" | 0.4" | 0.4" | 1.5" | 0.9" | 0.6" | 0" | - | - | - | - | - | 7" |
JMA | 1.6" | 6" | 3" | 0" | 0.1" | 1" | 0.9" | 0.9" | 0.5" | 0.2" | 0.2" | - | - | - | - | 14" |
ICON | 0" | 3" | 2" | 0" | 0" | 0" | 0.3" | 0" | - | - | - | - | - | - | - | 5" |
MeteoFrance | 12" | 30" | 8" | 0.7" | - | - | - | - | - | - | - | - | - | - | - | 51" |
Average | 3" | 10" | 4" | 0.5" | 0.2" | 1" | 4" | 2" | 0.4" | 0.5" | 0.3" | 0" | 0.7" | 7" | 1.7" | 35" |
Model \ Date | 30 Sat | 1 Sun | 2 Mon | 3 Tue | 4 Wed | 5 Thu | 6 Fri | 7 Sat | 8 Sun | 9 Mon | Total |
---|---|---|---|---|---|---|---|---|---|---|---|
Best Match | 0" | 0.6" | 0" | 0" | 0" | 0" | 0.7" | 0" | 0" | 1.9" | 3" |
ECMWF IFS 04 | 0.1" | 1.1" | 0.2" | 7" | 0" | 1.1" | 7" | 1.1" | 0.7" | 0" | 19" |
GFS | - | - | - | - | - | - | 6" | 0.9" | 2" | 13" | 22" |
GEM | 0" | 0.1" | 0" | 0" | 0" | 0.4" | 0.1" | 0.1" | 0.3" | 0.2" | 1.3" |
JMA | 0.2" | 0.7" | 0.5" | 0.8" | 0.2" | 3" | 4" | 0.6" | 3" | 6" | 19" |
ICON | 0" | 0.6" | 0" | 0" | 0" | 0" | 0.7" | 0" | 0" | 1.9" | 3" |
MeteoFrance | 0.4" | 2" | 0.9" | 11" | 4" | 5" | 16" | 2" | 9" | 25" | 77" |
Average | 0.1" | 1" | 0.3" | 4" | 0.8" | 1.9" | 6" | 0.8" | 2" | 8" | 25" |