Snow forecast next week across the West

2-3 different storm systems remain possible next week across the Intermountain West. The first storm system will likely lose strength and snow potential as it battles the massive high pressure ridge currently anchored over the West. This will create wild fluctuations in snow forecasts through this weekend.

You can see the storm track (yellow), high pressure ridge, and storm systems lined-up in the infrared satellite image.

Infrared satellite 12/3/2021 5am.

The first storm system essentially sacrifices itself to grease the atmospheric skids for the 2nd and potential 3rd storm systems.

Mid-atmosphere pressure anomalies valid 12/7/2021. GFS interpretation.

How likely is the 3rd storm system? The data is split. The 2nd storm system could absorb the 3rd and become a single larger storm system. Time will tell.

Snow Forecast

Let’s look at the long-range snow forecast in two timeframes.

My forecast snow totals 12/3-12/7:

Inches of snow 12/3-12/7.

Forecast totals 12/8-12/11:

Inches of snow 12/8-12/11.

Drilling down, let’s look at my snow plume forecast for Park City, UT and Jackson Hole, WY.

Inches of snow 12/3-12/11.
Inches of snow 12/3-12/11.
Tomer forecast video 12/3/2021.