Why Salem snow has been so much less than Portland snow

Last night on the 11 pm news on KGW, Matt Zaffino said that Salem and the rest of the central Willamette Valley would get the most snow on Wednesday and Thursday. 

At that time Portland wasn't even under a Winter Weather Advisory, which was issued only for the Central Willamette Valley and South Willamette Valley until 10 am on Thursday.

But if you've been watching the evening news on Portland television stations, you know that the Portland area has been getting a lot of snow. Here in Salem, hardly anything so far.

On the 6 pm news today, Zaffino explained that the weather system has unexpectedly stalled over the Portland/Vancouver area, with a counterclockwise circulation creating especially high snowfall in Multnomah County, while Washington County hasn't been getting as much snow.

Recently the Portland office of the National Weather Service issued some Twitter tweets that describe what is going on.

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By contrast, at our home in rural south Salem it snowed pretty heavily early this afternoon, but only a little bit stuck to the ground, and it is all gone by now. This photo was taken around 1 pm today.

Rual south Salem snow
Nothing like what Portland has been getting. This precipitation map from my Clime weather app reflects what the National Weather Service tweets said. At the moment snow is falling well north of Salem, while Salem is in a rain zone. (Clime calls my location "Sunnyside" for some reason.)

Clime preciptation map

But Salem could still get some fairly significant snow. My AccuWeather app is forecasting a total of about 1.4 inches through Thursday at 1 pm. If so, that's not a big deal, especially compared to what Portland is having to cope with. The app shows a 30% probability of 2-4 inches, though.

AccuWeather snow forecast


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