Corvallis, Oregon

Good evening. Should we see what’s happening in Oregon?

At 1115PM, PT, Corvallis was reporting a temperature of 39 degrees. While Corvallis does not report sky cover, local sites were reporting mostly cloudy conditions.  A sharp trough, perpendicular to zonal flow, slices through southern Oregon and his producing a weak area of low pressure, which is generating enough moisture to insist upon winter weather advisories for the Cascades closer to Medford.
The trough is anomalous in its orientation, and will be snuffed out by the system’s attempt to equilibrate. Saturday looks to be in good shape, but a strengthening jet arcing over the Gulf of Alaska is carrying an Arctic wave along with it. Expect some chilly rain to move through, essentially washing out the end of the weekend.
Tomorrow – Partly cloudy, High 49, Low 29
Sunday – Rain expected, High 46, Low 35

TWC: Tomorrow – Except for a few afternoon clouds, mainly sunny high 49, Low 29
Sunday – Rain likely. Thunder possible High 45, Low 35

AW: Tomorrow – Periods of clouds and sun High 48, Low 31
Sunday – Mostly cloudy and chilly with a little rain, mixed with snow early on High 45, Low 35

NWS: Tomorrow – Patchy freezing fog before 10am. Mostly sunny, High 47, Low 39
Sunday – Rain before 10am, then showers after 10am High 45, Low 36

WB: Tomorrow – Partly cloudy. Patchy morning freezing fog. High 47, Low 30
Sunday – Rain and snow in the morning then rain and snow showers in the afternoon. Snow level 1000 feet. No accumulation expected. High 44, Low 36

WN: Tomorrow – Partly cloudy with patchy freezing fog. High 46, Low 28
Sunday – Mostly cloudy with light rain. High 45, Low 36

FIO: Tomorrow – Mostly cloudy until night.High 52, Low 31
Sunday – Light rain starting overnight, continuing until afternoon. High 46, Low 36

I picked the water vapor today, because it best shows that rotation off shore of Oregon. It actually looks stronger here than it actually is.

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