Big Storm Friday!

Feb 4, 2015 9:17 PM by Kris Kuyper

Wednesday was a mix of sun and clouds, but a big storm in the Pacific will move in over the next couple of days. Get ready for a lot of rain!

A strong (and still developing!) storm in the Pacific is approaching us, and will bring rain to the coast and Trinity/Siskiyou counties by Thursday. It's a bit of a slow mover, so the rest of us in the North State will just see clouds tomorrow, outside of a shower or two around Redding & Anderson. That band of rain will move inland by Friday, and the rain will get heavy by Friday afternoon/night. 1" to 3" of rain should fall pretty easily in the Valley by early Saturday, with the possibility of a little more around Redding. This storm has a nice tap into the subtropics (a Pineapple Express or Atmospheric River... same thing), so it's absolutely loaded with moisture. Much more rain will fall in the mountains. This is a warm storm, so snow levels will start near 6000' and rise a bit during the storm.

It's also got a deepening area of low pressure with it, so winds will be an issue. Look for south wind gust 40 to 45 mph in the Valley through the day on Friday! So the rain will come down horizontally at times.

Both the rain and wind will diminish significantly Saturday as the storm moves east, although we should still see off and on rain showers. Storm #2 will arrive Sunday afternoon, and last into Monday. Although not as big as Friday's storm, it's pretty healthy in it's own right, and will definitely soak us yet again Sunday night. Winds won't be as strong without a deep low associated with it, and snow levels will yet again remain rather high.

Cooler low pressure will move inland on Monday as the main band of rain pushes east. This is an unstable situation... Although it's a bit early in the year, thunderstorms are a possibility in the Valley Monday afternoon. High pressure will finally build into California again by Tuesday, drying us out. Surface high pressure in the Pacific Northwest will kick up a bit of a breezy north wind, with 10 to 25 mph gusts to dry us out even further. We should stay dry for the rest of the week... although long range models are suggesting the following week could see wet weather return again.


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