Northeast uncertainty; Western Ridge breaks down

Tomer’s Take: Northeast storm system remains in question. Western ridge starts to weaken with moisture sneaking through on 11/22.

  • Intensity and track of potential Northeast storm system remains uncertain with inconsistent data.
  • Moisture breaks through Western ridge on 11/22.
  • Larger pattern change 11/24-12/1 with trough replacing ridge and higher chances for snow.

Current Setup

Infrared satellite shows the Western ridge and next low pressure that will push moisture through the ridge into the PNW/BC.

Infrared satellite 8am 11/21/2022.

Northeast Storm System?

Forecast jet stream valid 11/25 continues to show a large dip in the jet stream. What happens after this is still in question.

Forecast jet stream valid 11/25.

Snowfall forecast contrast: Yesterday (11/20) afternoon versus today (11/21). Talk about inconsistent data. Pull the slider back and forth:

Western Ridge Breaks Down

Forecast jet stream valid 11/29. The high pressure ridge is gone and replaced by a large trough. This would support colder air and widespread snow across CA, UT, CO, WY, ID MT, PNW, BC.

Forecast jet stream valid 11/29/2022.

Forecast Timing

Forecast radar/satellite valid 11/21-11/26.

Forecast radar/satellite valid 11/21-11/26.

Forecast Snowfall

Forecast snow totals (inches) valid 11/21-11/23.

Forecast snow totals valid 11/21-11/23.

Forecast snow totals (inches) valid 11/24-11/29.

Forecast snow totals valid 11/24-11/29.

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