Big snow totals for the West

Tomer’s Take: 2-3 different storm systems are lined-up for the West through 12/6.

  • Excellent forcing with orographics, colder air, and subtropical branch involvement.
  • CA could see a weak atmospheric river setup.

Current Setup

Visible/Infrared satellite shows a parade of storm systems lined-up including an active southern jet branch.

5:30pm 11/27/2022.

Pattern Forecast

The first storm system only brushes CA but nails UT, WY, CO with moderate to heavy snow accumulation, wind, and much colder air.

Forecast jet stream valid 11/28/2022.

Looking way down the road, the storm track remains active on 12/6. The flow is favorable to PNW, BC, CA, ID, WY, UT, and CO for big totals.

Forecast jet stream valid 12/6/2022.

Forecast Snow Totals

Forecast totals (inches) valid 11/27-11/29.

Forecast totals (inches) valid 11/27-11/29.

Forecast totals (inches) valid 11/30-12/5.

Forecast totals (inches) valid 11/30-12/5.