Snow forecast through February 1; Fast NW Flow then Shifting South

Tomer’s Take: A fast northwest flow (NWF) stays in place through 1/28 favoring the Northern tier of the Rockies then the jet shifts south and lower pressures expand across the West into 2/1.

My forecast video 1/23:

Current Setup

Water vapor satellite shows a high pressure ridge off the West Coast and NWF favoring the Northern tier of the Rockies. On/after 1/28 the high pressure retrogrades opening the door for a trough across the West.

Forecast Pattern

Forecast jet stream valid 2/1. Active jet pattern for the West with areas of low pressure traversing the West.

Forecast Timing

Forecast radar/satellite valid 1/23-1/28.

Forecast Totals

Forecast snow totals (inches) valid 1/23-1/25.

Forecast snow totals (inches) valid 1/26-2/1.

Forecast Snow Plume for Jackson Hole.

Bulk of accumulation occurs late 1/26-1/29.

Forecast C+N CO snow totals (inches) valid 1/23-2/1.

Steamboat snow timeline:

Prolonged period of light/moderate snow accumulation late 1/24-1/31.

Biggest days appear to be 1/27-1/30.

Forecast Northeast snow totals (inches) valid 1/23-2/1.

Snow continues 1/23 then fades.

Next storm system: 1/25-1/26.

Possible storm system: 1/30.