WEATHER SUMMARY AND FORECAST DETAILS
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FOR 1/20/2020 - from Rogueweather
We are going to see a very active week this next week. Actually, it appears that we will be active all the way through the end of January if that latest data is right.
But, what will be missing is going to be valley floor snow. There is zero indication of it being seen anywhere in the next 10 - 14 days. What we will see is a flow out of the west southwest. This airflow will be more than enough to keep snow out of the valleys. Typically we see snow levels around 4000 to 5000 feet with this airflow regimen. This is exactly what we expect to see here. Get some stronger southwesterly alignment and we could see snow levels launching up as high as 6000 to 7000 feet. But, what we do not see is a deep tropical moisture source situation that would quickly erode that snowpack we just got blessed with.
We will see the first in a series of systems arrive today later in the day. Windy conditions will be developing for all areas. There are wind advisories up for the Shasta Valley in Siskiyou County, as well as Northern and Eastern Klamath County along with all of Lake County. The winds that will be highest are expected to be in the Winter Rim, Paisley, and Summer Lake areas of Lake County. Winter storm warnings are up for South Central and Western Siskiyou County above 4500 feet, and there are winter weather advisories for eastern postions of Siskiyou County above 3000 feet. While this will include the Mt. Shasta area, the heaviest snow should be above I 5. There will be some impact from snow and ice for travelers. But not expecting to see anything really disruptive develop. Winter weather advisories are posted for the Southern Oregon Cascades and Siskiyous above 3500 feet. Again, not expecting a really high imapct event, but enough to add some difficulty to travel. Expect to see steady state precipitation winding down on Tuesday.
As it stands right now, we are going to see a series of what looks to be minor to moderate strength system come over us for the next week with breaks in between each system. Some of those breaks will be longer, some shorter. But, due to the airflow over us things will keep moving along. Temperatures will be just slightly above to noticably above average over the next two weeks. What that means is you should expect high temps for all areas that would be anywhere from 2 to 10 degrees above average for daytime highs. This pattern looks really stable at this time. I am going to be surprised if we see anything develop that will significantly alter it. But, this is winter. And that major storm that hit right before Thanksgiving was not even in the picture 10 days out. Keep that in mind.
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