We now have roughly one other month remaining of meteorological winter, and mom nature won’t be letting us transition to spring with out one other style of chilly and snow.
The chilly is for certain, together with a tough freeze over the area.
The snow forecast is much less confident–but it does appear like both the Washington or Oregon western lowlands will see the flakes–the query is which one.
The motion of chilly air into the Northwest has one other implication: substantial further precipitation for a sodden California.
The Chilly
For Wednesday and Thursday, a high-pressure ridge will dominate the area, producing cool, cloudy, however typically dry circumstances (see higher level–500 hPa strain level–map for Wednesday morning under).
A advantage of the excessive strain can be a suppression of the astronomical King Tides, minimizing flooding and tidal overflows.
However on Friday and Saturday, an upper-level trough will transfer south down the japanese flanks of the large ridge, pulling chilly air from northern Canada into the inside of British Columbia after which into the Pacific Northwest.
Right here is the higher degree map for 7 PM Saturday. You possibly can see the offshore ridge of excessive rpessure, however a big tough is shifting over our area.
I’ve studied these snow conditions for many years. This isn’t fairly the best construction/place for main snow over the Washington lowlands, however shut sufficient to fret.
Now lets take a look at the floor strain shart for 7 PM Saturday, with colours displaying temperature simply above the floor. Wow….I’m going to get my gloves and wool hat prepared! Purplle and blue signifies chilly air….chilly sufficient to snow.
You’ll be aware a low heart off the northern Oregon coast. Sort of weak, however with sufficient “juice” to convey snow to just about places. Too far south and weak to whiten Seattle….however a small error might change issues.
By Sunday at 4 PM, uber-cold air will unfold over the Northwest. It is going to be necessary to get the homeless off the streets for Monday and Thuesday morning. Temperatures will drop properly down into the 20s. A tough freeze.
OK, you wish to learn about snow. Under is the cumulative snowfall by way of Sunday evening.
A small error within the forecast might significantly change the snow prediction….so maintain tuned.
