Saturday, October 20, 2018

Weather Discussion for Saturday October 20, 2018

Normal high/ low temperatures for Oct 15-Oct 22  (high/low) Redding 79/49, Chico 79/46, Quincy 71/31, Chester 66/30, Susanville 66/34, Grass Valley 72/42, Weaverville 74/34, Mt. Shasta 65/35, Yreka 69/35, Alturas 66/27

This blog will be issued every Monday, Wednesday, and Saturday morning and updated if the weather is changing or critical or interesting weather events are occurring.

A high pressure ridge is still over the west coast.  However, the ridge is weakening and slowly moving eastward.  Today through Monday Northern California will be mostly clear.   Temperatures will slowly cool, but still be above normal.  Winds will be light.

Tuesday through Friday the low pressure area in the Gulf of Alaska will deepen and this will push the jetstream southward.   Unfortunately, not quite far enough bring wet weather to the north state (see map below).  A weak frontal system will move through the area late Tuesday and Wednesday.  We will see a few clouds from this system with a few light showers over the northwest corner of the state.  Temperatures will cool to near normal.  Thursday and early Friday a slightly stronger front will move through.   This system will bring light showers to the north coast and areas north of Redding. 

After this system high pressure will rebuild over the west coast.

The Old Forecaster

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