Probabilistic Heavy Snow and Icing Discussion
NWS Weather Prediction Center College Park MD
419 AM EDT Thu Oct 14 2021

Valid 12Z Thu Oct 14 2021 - 12Z Sun Oct 17 2021

...Colorado...
Day 1...

An upper trough is expected to amplify and move across the Rockies
on Thursday.  Light snow accumulations are forecast for much of
the northern and central Rockies.  A well-defined shortwave moving
through the base of the broader scale trough is expected to help
support some locally heavier accumulations across portions of
western Colorado.  WPC probabilities for accumulations of 4-inches
or more are above 70 percent for portions of the Flat Tops, Elk
Mountains, and Sawatch Range.

The probability for significant icing (0.25 inches or more) is
less than 10 percent Days 1-3.

Pereira